US StockDetailed Quotes

Provided by Tiger Trade Technology Pte. Ltd.

L.B. Foster

32.08

+0.70502.25%

Volume:2.45K

Turnover:77.40K

Market Cap:333.36M

PE:72.10

High:32.08

Open:31.83

Low:31.15

Close:31.37

52wk High:32.63

52wk Low:17.16

Shares:10.39M

Float Shares:8.54M

Volume Ratio:0.52

T/O Rate:0.03%

Dividend:- -

Dividend Rate:- -

EPS(TTM):0.4449

EPS(LYR):3.89

ROE:2.66%

ROA:3.67%

PB:1.91

PE(LYR):8.25

Loading ...

Overview Company News Filings

Major Issues Report

Form 8-K - Current report

Proposed Sale Of Securities

Form 144 - Report of proposed sale of securities

Major Issues Report

Form 8-K - Current report

Proposed Sale Of Securities

Form 144 - Report of proposed sale of securities

Quarterly Report

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Major Issues Report

Form 8-K - Current report

Major Issues Report

Form 8-K - Current report

Quarterly Report

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Major Issues Report

Form 8-K - Current report

Major Issues Report

Form 8-K - Current report

Employee Stock Ownership

Form 11-K - Annual report of employee stock purchase, savings and similar plans

Major Issues Report

Form 8-K - Current report

Employee Stock Ownership

Form S-8 - Securities to be offered to employees in employee benefit plans

Quarterly Report

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Major Issues Report

Form 8-K - Current report

Notice Of Suspension

Form 15-15D - Suspension of duty to report [Section 13 and 15(d)]

Employee Stock Ownership

Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments

Annual Report

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]

Major Issues Report

Form 8-K - Current report

Major Issues Report

Form 8-K - Current report

{"basename":"","ssrTDKData":{"titleTemplate":"%s - Tiger Brokers","title":"Tiger Brokers | Global Stocks, Options & Futures Trading App","description":"Tiger Brokers, one-stop investment in US stocks, SGX stocks, HK stocks, A-shares & other global assets. One of the best stock trading platforms in Singapore.","keywords":"tiger brokers,tiger trade,tiger brokers singapore,broker online,stock trading in singapore,share trading singapore,brokerage firm singapore,trading app,stock broker singapore,stock trading platforms,trading account","social":{"ogDescription":"Tiger Brokers, one-stop investment in US stocks, SGX stocks, HK stocks, A-shares & other global assets. One of the best stock trading platforms in Singapore.","ogImage":"https://c1.itigergrowtha.com/portal5/static/media/og-logo.be62fbe1.png","ogUrl":"https://www.itiger.com/stock/FSTR/filings"},"companyName":"Tiger Brokers"},"pageData":{"isMobile":false,"isTiger":false,"isTTM":true,"region":"SGP","license":"TBSG","edition":"fundamental","symbol":"FSTR","isAnalysisPage":false},"__swrFallback__":{"@#url:\"https://hq.skytigris.cn/stock_info/detail/global\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"FSTR\",,,,,undefined,":{"symbol":"FSTR","market":"US","secType":"STK","nameCN":"L.B. Foster","latestPrice":32.075,"timestamp":1770738099730,"preClose":31.37,"halted":0,"volume":2447,"delay":0,"changeRate":0.02247370098820535,"floatShares":8535544,"shares":10393009,"eps":0.444896,"marketStatus":"Trading","change":0.705,"latestTime":"02-10 10:41:54 EST","open":31.8254,"high":32.075,"low":31.15,"amount":77403.68997200001,"amplitude":0.029487,"askPrice":32.21,"askSize":103,"bidPrice":31.81,"bidSize":16,"shortable":3,"etf":0,"ttmEps":0.444896,"tradingStatus":2,"nextMarketStatus":{"tag":"Post-Mkt","tradingStatus":3,"beginTime":1770757200000},"marketStatusCode":2,"adr":0,"adrRate":0,"listingDate":360216000000,"exchange":"NASDAQ","adjPreClose":31.37,"postHourTrading":{"tag":"盘后","latestPrice":31.37,"preClose":31.37,"latestTime":"16:49 EST","volume":414,"amount":12987.18,"timestamp":1770673781493,"change":0,"changeRate":0,"amplitude":0},"volumeRatio":0.516156,"impliedVol":0.6037,"impliedVolPercentile":0.988},"@#url:\"https://hq.skytigris.cn/stock_info/fundamental/all\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"FSTR\",,,,,undefined,":{"symbol":"FSTR","floatShares":8535544,"roa":"3.67%","roe":"2.66%","lyrEps":3.89,"volumeRatio":0.516156,"shares":10393009,"dividePrice":0,"high":32.075,"amplitude":0.029487,"preClose":31.37,"low":31.15,"week52Low":17.16,"pbRate":"1.91","psRate":"0.66","week52High":32.6299,"institutionHeld":0.7378,"latestPrice":32.075,"committee":-0.731092,"eps":0.444896,"divideRate":0,"volume":2447,"delay":0,"ttmEps":0.444896,"open":31.8254,"prevYearClose":26.95,"prevWeekClose":31.74,"prevMonthClose":30.05,"prevQuarterClose":26.95,"fiveDayClose":31.34,"twentyDayClose":29.17,"sixtyDayClose":26.77,"dividendGrowthYears":0,"dividendGrowthRate":-0.25000000000000006,"fiveYearAvgDividendRate":0.010458627895602686},"@#url:\"https://hq.skytigris.cn/fundamental/corporate_actions/details/FSTR\",params:#limit:5,,,undefined,":[{"market":"US","date":"2025-11-03","symbol":"FSTR","fiscalQuarterEnding":"2025/09","expectedEps":0.61,"name":null,"time":"Pre-Market","type":"earning","dateTimestamp":1762146000000,"reportTimeType":"pre","actualEps":0.4},{"market":"US","date":"2025-08-11","symbol":"FSTR","fiscalQuarterEnding":"2025/06","expectedEps":0.52,"name":null,"time":"Pre-Market","type":"earning","dateTimestamp":1754884800000,"reportTimeType":"pre","actualEps":0.27},{"market":"US","date":"2025-05-06","symbol":"FSTR","fiscalQuarterEnding":"2025/03","expectedEps":0.01,"name":null,"time":"Pre-Market","type":"earning","dateTimestamp":1746504000000,"reportTimeType":"pre","actualEps":-0.2},{"market":"US","date":"2025-03-04","symbol":"FSTR","fiscalQuarterEnding":"2024/12","expectedEps":0.29,"name":null,"time":"Pre-Market","type":"earning","dateTimestamp":1741064400000,"reportTimeType":"pre","actualEps":-0.02},{"market":"US","date":"2024-11-07","symbol":"FSTR","fiscalQuarterEnding":"2024/09","expectedEps":0.49,"name":null,"time":"Pre-Market","type":"earning","dateTimestamp":1730955600000,"reportTimeType":"pre","actualEps":0.54}],"@#url:\"https://hq.skytigris.cn/fundamental/dividend/history\",params:#symbol:\"FSTR\",market:\"US\",,,undefined,":[{"executeDate":"2016-03-09","recordDate":"2016-03-11","paymentDate":"2016-03-25","value":0.04,"currency":"USD"},{"executeDate":"2016-06-08","recordDate":"2016-06-10","paymentDate":"2016-06-24","value":0.04,"currency":"USD"},{"executeDate":"2016-09-07","recordDate":"2016-09-09","paymentDate":"2016-09-23","value":0.04,"currency":"USD"}],"@#url:\"https://hq.skytigris.cn/fundamental/estimate/recommendation\",params:#symbol:\"FSTR\",market:\"US\",delay:false,,,undefined,":{"strongBuy":0.5,"buy":0,"hold":0.5,"sell":0,"strongSell":0,"meanLabel":"BUY","meanPercent":0,"analysts":2,"updateTime":1743310800000},"@#url:\"https://hq.skytigris.cn/value_analysis/stock/FSTR\",params:#withQuantilePoint:true,period:\"5year\",factor:\"peRate\",delay:false,algorithm:1,,,undefined,":{"brief":{"id":"FSTR","date":"2026-02-09","current":70.510861,"percent":0.963739,"low":-72.232256,"twenty":-3.33203,"median":17.680664,"eighty":42.849619,"high":205.604419,"avg":20.951898,"sd":42.179934,"marketCap":329874105},"quantilePoints":[{"date":"2021-02-12","current":5.552889,"twenty":-7.071339,"median":3.610066,"eighty":15.518472,"marketCap":176232038},{"date":"2021-02-19","current":5.969356,"twenty":-7.071339,"median":3.610066,"eighty":15.518472,"marketCap":189449441},{"date":"2021-02-26","current":5.739114,"twenty":-7.071339,"median":3.610066,"eighty":15.518472,"marketCap":182142259},{"date":"2021-03-05","current":25.267998,"twenty":-7.074131,"median":3.607173,"eighty":15.687011,"marketCap":191581958},{"date":"2021-03-12","current":27.265076,"twenty":-7.074131,"median":3.607173,"eighty":15.969396,"marketCap":206723805},{"date":"2021-03-19","current":25.636253,"twenty":-7.074131,"median":3.607173,"eighty":16.220608,"marketCap":194374071},{"date":"2021-03-26","current":24.092412,"twenty":-7.071339,"median":3.610066,"eighty":16.277452,"marketCap":182668671},{"date":"2021-04-01","current":25.494616,"twenty":-7.071339,"median":3.610066,"eighty":16.299456,"marketCap":193300182},{"date":"2021-04-09","current":25.168852,"twenty":-7.074131,"median":3.607173,"eighty":16.356299,"marketCap":190830235},{"date":"2021-04-16","current":24.517323,"twenty":-7.074131,"median":3.607173,"eighty":16.389305,"marketCap":185890341},{"date":"2021-04-23","current":23.371412,"twenty":-7.074131,"median":3.607173,"eighty":16.47182,"marketCap":177202049},{"date":"2021-04-30","current":23.00089,"twenty":-7.074131,"median":3.607173,"eighty":16.499325,"marketCap":174392748},{"date":"2021-05-07","current":22.150916,"twenty":-7.074131,"median":3.607173,"eighty":16.605678,"marketCap":181416000},{"date":"2021-05-14","current":23.61533,"twenty":-7.074131,"median":3.607173,"eighty":16.710197,"marketCap":193409553},{"date":"2021-05-21","current":24.24859,"twenty":-7.074131,"median":3.607173,"eighty":17.208954,"marketCap":198595955},{"date":"2021-05-28","current":23.734066,"twenty":-7.074131,"median":3.607173,"eighty":18.08728,"marketCap":194382003},{"date":"2021-06-04","current":24.670764,"twenty":-7.074131,"median":3.607173,"eighty":18.349494,"marketCap":202053556},{"date":"2021-06-11","current":23.734066,"twenty":-7.074131,"median":3.607173,"eighty":19.216818,"marketCap":194382003},{"date":"2021-06-18","current":22.744597,"twenty":-7.074131,"median":3.607173,"eighty":19.537709,"marketCap":186278251},{"date":"2021-06-25","current":23.971539,"twenty":-7.074131,"median":3.607173,"eighty":21.686525,"marketCap":196326904},{"date":"2021-07-02","current":24.881851,"twenty":-7.074131,"median":3.607173,"eighty":22.087598,"marketCap":203782356},{"date":"2021-07-09","current":23.747259,"twenty":-7.074131,"median":3.607173,"eighty":22.31241,"marketCap":194490054},{"date":"2021-07-16","current":22.770983,"twenty":-7.074131,"median":3.607173,"eighty":22.741036,"marketCap":186494351},{"date":"2021-07-23","current":23.654909,"twenty":-7.074131,"median":3.607173,"eighty":22.888585,"marketCap":193733703},{"date":"2021-07-30","current":23.958346,"twenty":-7.074131,"median":3.607173,"eighty":22.950407,"marketCap":196218854},{"date":"2021-08-06","current":18.467813,"twenty":-7.074131,"median":3.607173,"eighty":22.982808,"marketCap":194706154},{"date":"2021-08-13","current":18.754555,"twenty":-7.074131,"median":3.607173,"eighty":22.982808,"marketCap":197729278},{"date":"2021-08-20","current":17.768014,"twenty":-7.074131,"median":3.607173,"eighty":22.982808,"marketCap":187328176},{"date":"2021-08-27","current":17.973544,"twenty":-7.074131,"median":3.607173,"eighty":22.982808,"marketCap":189495072},{"date":"2021-09-03","current":16.61705,"twenty":-7.074131,"median":3.607173,"eighty":22.982808,"marketCap":175193557},{"date":"2021-09-10","current":16.041568,"twenty":-7.074131,"median":3.607173,"eighty":22.982808,"marketCap":169126248},{"date":"2021-09-17","current":15.846315,"twenty":-7.074131,"median":3.607173,"eighty":22.982808,"marketCap":167067697},{"date":"2021-09-24","current":15.681891,"twenty":-7.074131,"median":3.607173,"eighty":22.982808,"marketCap":165334180},{"date":"2021-10-01","current":15.928527,"twenty":-7.074131,"median":3.607173,"eighty":22.982808,"marketCap":167934455},{"date":"2021-10-08","current":16.031291,"twenty":-7.074131,"median":3.607173,"eighty":22.982808,"marketCap":169017903},{"date":"2021-10-15","current":16.298479,"twenty":-7.074131,"median":3.607173,"eighty":22.982808,"marketCap":171834868},{"date":"2021-10-22","current":16.421797,"twenty":-7.074131,"median":3.607173,"eighty":22.982808,"marketCap":173135006},{"date":"2021-10-29","current":16.370415,"twenty":-7.074131,"median":3.607173,"eighty":22.982808,"marketCap":172593282},{"date":"2021-11-05","current":29.111625,"twenty":-7.074131,"median":3.607173,"eighty":23.160564,"marketCap":176270888},{"date":"2021-11-12","current":29.845231,"twenty":-7.074131,"median":3.664614,"eighty":23.251548,"marketCap":180712871},{"date":"2021-11-19","current":30.024159,"twenty":-7.074131,"median":3.692507,"eighty":23.391111,"marketCap":181796281},{"date":"2021-11-26","current":28.968482,"twenty":-7.074131,"median":3.772056,"eighty":23.451738,"marketCap":175404159},{"date":"2021-12-03","current":26.749772,"twenty":-7.074131,"median":3.819184,"eighty":23.538192,"marketCap":161969869},{"date":"2021-12-10","current":25.103632,"twenty":-7.074131,"median":3.889576,"eighty":23.631162,"marketCap":152002493},{"date":"2021-12-17","current":23.797456,"twenty":-7.074131,"median":3.914105,"eighty":23.70768,"marketCap":144093596},{"date":"2021-12-23","current":23.4396,"twenty":-7.074131,"median":4.025534,"eighty":23.70768,"marketCap":141926775},{"date":"2021-12-31","current":24.602633,"twenty":-7.074131,"median":4.104144,"eighty":23.755175,"marketCap":148968943},{"date":"2022-01-07","current":24.924704,"twenty":-7.071339,"median":4.246455,"eighty":23.857513,"marketCap":150919082},{"date":"2022-01-14","current":27.447592,"twenty":-7.071339,"median":4.625195,"eighty":23.963623,"marketCap":166195170},{"date":"2022-01-21","current":24.781561,"twenty":-7.071339,"median":4.706628,"eighty":24.05842,"marketCap":150052354},{"date":"2022-01-28","current":26.946593,"twenty":-7.068546,"median":4.856324,"eighty":24.236,"marketCap":163161621},{"date":"2022-02-04","current":28.073841,"twenty":-7.068546,"median":4.931575,"eighty":24.332625,"marketCap":169987107},{"date":"2022-02-11","current":26.982379,"twenty":-7.068546,"median":4.972206,"eighty":24.482355,"marketCap":163378303},{"date":"2022-02-18","current":27.197093,"twenty":-7.068546,"median":5.007758,"eighty":24.60979,"marketCap":164678396},{"date":"2022-02-25","current":27.214985,"twenty":-7.068546,"median":5.024687,"eighty":24.717473,"marketCap":164786737},{"date":"2022-03-04","current":45.923936,"twenty":-7.068546,"median":5.046696,"eighty":24.873502,"marketCap":166520193},{"date":"2022-03-11","current":47.060121,"twenty":-7.068546,"median":5.082248,"eighty":25.088198,"marketCap":170639997},{"date":"2022-03-18","current":44.850445,"twenty":-7.068546,"median":5.097484,"eighty":25.159619,"marketCap":162627713},{"date":"2022-03-25","current":47.119841,"twenty":-7.068546,"median":5.1178,"eighty":25.245343,"marketCap":170856545},{"date":"2022-04-01","current":44.641421,"twenty":-7.068546,"median":5.129651,"eighty":25.465068,"marketCap":161869794},{"date":"2022-04-08","current":44.432398,"twenty":-7.068546,"median":5.170281,"eighty":25.610759,"marketCap":161111875},{"date":"2022-04-14","current":43.894909,"twenty":-7.068546,"median":5.232921,"eighty":25.869903,"marketCap":159162941},{"date":"2022-04-22","current":45.708825,"twenty":-7.068546,"median":5.266106,"eighty":26.044117,"marketCap":165740199},{"date":"2022-04-29","current":42.645553,"twenty":-7.068546,"median":5.378652,"eighty":26.168007,"marketCap":154632774},{"date":"2022-05-06","current":40.693467,"twenty":-7.068546,"median":5.425713,"eighty":26.342635,"marketCap":147554513},{"date":"2022-05-13","current":40.138698,"twenty":-7.068546,"median":5.482108,"eighty":26.753687,"marketCap":133180199},{"date":"2022-05-20","current":41.484312,"twenty":-7.068546,"median":5.530096,"eighty":26.932279,"marketCap":137644948},{"date":"2022-05-27","current":42.665828,"twenty":-7.068546,"median":5.587721,"eighty":27.057529,"marketCap":141565216},{"date":"2022-06-03","current":42.961206,"twenty":-7.068546,"median":5.614928,"eighty":27.168464,"marketCap":142545282},{"date":"2022-06-10","current":42.436088,"twenty":-7.068546,"median":5.636923,"eighty":27.272951,"marketCap":140802941},{"date":"2022-06-17","current":41.156114,"twenty":-7.068546,"median":5.689415,"eighty":27.454749,"marketCap":136555985},{"date":"2022-06-24","current":43.092486,"twenty":-7.071339,"median":5.739114,"eighty":27.627544,"marketCap":142980868},{"date":"2022-07-01","current":42.04225,"twenty":-7.071339,"median":5.758517,"eighty":27.88249,"marketCap":139496185},{"date":"2022-07-08","current":42.665828,"twenty":-7.071339,"median":5.770034,"eighty":28.004458,"marketCap":141565216},{"date":"2022-07-15","current":45.389876,"twenty":-7.071339,"median":5.819941,"eighty":28.1303,"marketCap":150603610},{"date":"2022-07-22","current":45.094498,"twenty":-7.071339,"median":5.885205,"eighty":28.501994,"marketCap":149623543},{"date":"2022-07-29","current":47.982646,"twenty":-7.071339,"median":5.935497,"eighty":28.850389,"marketCap":159206419},{"date":"2022-08-05","current":49.886198,"twenty":-7.071339,"median":5.988858,"eighty":28.976042,"marketCap":165522406},{"date":"2022-08-12","current":66.616835,"twenty":-7.071339,"median":13.734157,"eighty":29.347904,"marketCap":163344480},{"date":"2022-08-19","current":64.186109,"twenty":-7.071339,"median":14.577643,"eighty":29.769264,"marketCap":157384339},{"date":"2022-08-26","current":60.531066,"twenty":-7.071339,"median":15.476362,"eighty":30.035449,"marketCap":148422175},{"date":"2022-09-02","current":55.49424,"twenty":-7.071339,"median":15.632001,"eighty":30.27624,"marketCap":136071876},{"date":"2022-09-09","current":53.109548,"twenty":-7.071339,"median":15.681891,"eighty":30.492978,"marketCap":130224611},{"date":"2022-09-16","current":48.941908,"twenty":-7.071339,"median":15.856591,"eighty":30.865122,"marketCap":120005558},{"date":"2022-09-23","current":44.395392,"twenty":-7.071339,"median":15.928527,"eighty":31.733656,"marketCap":108857501},{"date":"2022-09-30","current":43.503918,"twenty":-7.071339,"median":15.980398,"eighty":38.399886,"marketCap":106671607},{"date":"2022-10-07","current":44.350818,"twenty":-7.071339,"median":16.062913,"eighty":38.907219,"marketCap":108748206},{"date":"2022-10-14","current":42.478723,"twenty":-7.071339,"median":16.154609,"eighty":39.222115,"marketCap":104157830},{"date":"2022-10-21","current":46.802371,"twenty":-7.071339,"median":16.237111,"eighty":39.519518,"marketCap":114759414},{"date":"2022-10-28","current":45.732602,"twenty":-7.071339,"median":16.273784,"eighty":39.834414,"marketCap":112136341},{"date":"2022-11-04","current":46.089192,"twenty":-7.071339,"median":16.292121,"eighty":40.142943,"marketCap":113010699},{"date":"2022-11-11","current":-70.454231,"twenty":-7.139865,"median":16.298479,"eighty":40.149311,"marketCap":138583473},{"date":"2022-11-18","current":-61.119601,"twenty":-7.169087,"median":16.298479,"eighty":40.149311,"marketCap":120222256},{"date":"2022-11-25","current":-56.674539,"twenty":-7.197014,"median":16.298479,"eighty":40.149311,"marketCap":111478819},{"date":"2022-12-02","current":-51.784971,"twenty":-7.22001,"median":16.298479,"eighty":40.149311,"marketCap":101861038},{"date":"2022-12-09","current":-50.284763,"twenty":-7.271197,"median":16.298479,"eighty":40.149311,"marketCap":98910128},{"date":"2022-12-16","current":-53.785249,"twenty":-7.293642,"median":16.298479,"eighty":40.149311,"marketCap":105795585},{"date":"2022-12-23","current":-52.729547,"twenty":-7.351092,"median":16.298479,"eighty":40.149311,"marketCap":103719019},{"date":"2022-12-30","current":-53.785249,"twenty":-7.412464,"median":16.298479,"eighty":40.149311,"marketCap":105795585},{"date":"2023-01-06","current":-57.119045,"twenty":-7.442101,"median":16.298479,"eighty":40.149311,"marketCap":112353162},{"date":"2023-01-13","current":-64.675651,"twenty":-7.534168,"median":16.298479,"eighty":40.149311,"marketCap":127217005},{"date":"2023-01-20","current":-66.953745,"twenty":-7.617714,"median":16.298479,"eighty":40.149311,"marketCap":131698016},{"date":"2023-01-27","current":-65.231284,"twenty":-7.660609,"median":16.298479,"eighty":40.149311,"marketCap":128309935},{"date":"2023-02-03","current":-67.787194,"twenty":-7.696348,"median":16.298479,"eighty":40.149311,"marketCap":133337411},{"date":"2023-02-10","current":-67.898321,"twenty":-7.76085,"median":16.298479,"eighty":40.149311,"marketCap":133555997},{"date":"2023-02-17","current":-71.176554,"twenty":-7.842641,"median":16.298479,"eighty":40.149311,"marketCap":140004281},{"date":"2023-02-24","current":-71.12099,"twenty":-7.857125,"median":16.298479,"eighty":40.149311,"marketCap":139894988},{"date":"2023-03-03","current":-70.732048,"twenty":-7.952549,"median":16.282953,"eighty":39.886897,"marketCap":139129938},{"date":"2023-03-10","current":-3.015127,"twenty":-7.952549,"median":16.247097,"eighty":39.711955,"marketCap":137381250},{"date":"2023-03-17","current":-2.826026,"twenty":-7.952549,"median":16.209606,"eighty":39.309587,"marketCap":128765042},{"date":"2023-03-24","current":-2.789949,"twenty":-7.952549,"median":16.103227,"eighty":39.099656,"marketCap":127121233},{"date":"2023-03-31","current":-2.761087,"twenty":-7.950845,"median":16.021014,"eighty":38.749771,"marketCap":125806185},{"date":"2023-04-06","current":-2.871723,"twenty":-7.952549,"median":15.952893,"eighty":38.399886,"marketCap":130847200},{"date":"2023-04-14","current":-2.90299,"twenty":-7.955957,"median":15.91825,"eighty":31.099997,"marketCap":132271834},{"date":"2023-04-21","current":-2.597539,"twenty":-7.955957,"median":15.846315,"eighty":30.821187,"marketCap":118354251},{"date":"2023-04-28","current":-2.585513,"twenty":-7.957661,"median":15.671615,"eighty":30.382015,"marketCap":117806315},{"date":"2023-05-05","current":-2.667287,"twenty":-7.961069,"median":15.56885,"eighty":30.162181,"marketCap":121532282},{"date":"2023-05-12","current":-2.502509,"twenty":-7.961069,"median":15.47614,"eighty":29.982498,"marketCap":115490795},{"date":"2023-05-19","current":-3.014488,"twenty":-7.961069,"median":14.54097,"eighty":29.536906,"marketCap":139118619},{"date":"2023-05-26","current":-3.122577,"twenty":-7.961069,"median":12.753146,"eighty":29.186346,"marketCap":144106937},{"date":"2023-06-02","current":-3.218656,"twenty":-7.961069,"median":5.988858,"eighty":28.96028,"marketCap":148540996},{"date":"2023-06-09","current":-3.408413,"twenty":-7.964477,"median":5.93719,"eighty":28.836191,"marketCap":157298264},{"date":"2023-06-16","current":-3.257088,"twenty":-7.964477,"median":5.886649,"eighty":28.413281,"marketCap":150314620},{"date":"2023-06-23","current":-3.324344,"twenty":-7.967885,"median":5.827619,"eighty":28.106048,"marketCap":153418462},{"date":"2023-06-30","current":-3.420423,"twenty":-7.971293,"median":5.776809,"eighty":27.998691,"marketCap":157852521},{"date":"2023-07-07","current":-3.362775,"twenty":-7.971293,"median":5.758517,"eighty":27.82692,"marketCap":155192086},{"date":"2023-07-14","current":-3.396403,"twenty":-7.971293,"median":5.741241,"eighty":27.627544,"marketCap":156744006},{"date":"2023-07-21","current":-3.362775,"twenty":-7.974701,"median":5.700932,"eighty":27.393914,"marketCap":155192086},{"date":"2023-07-28","current":-3.415619,"twenty":-7.974701,"median":5.640923,"eighty":27.250771,"marketCap":157630818},{"date":"2023-08-04","current":-3.466061,"twenty":-7.974701,"median":5.620607,"eighty":27.107628,"marketCap":159958700},{"date":"2023-08-11","current":-3.988682,"twenty":-7.974701,"median":5.59352,"eighty":26.982379,"marketCap":178010871},{"date":"2023-08-18","current":-4.659675,"twenty":-7.974701,"median":5.532016,"eighty":26.867153,"marketCap":207956625},{"date":"2023-08-25","current":-4.535417,"twenty":-7.974701,"median":5.485947,"eighty":26.448938,"marketCap":202411115},{"date":"2023-09-01","current":-4.376367,"twenty":-7.974701,"median":5.42761,"eighty":26.248773,"marketCap":195312862},{"date":"2023-09-08","current":-4.453406,"twenty":-7.974701,"median":5.39765,"eighty":26.106762,"marketCap":198751078},{"date":"2023-09-15","current":-4.500625,"twenty":-7.974701,"median":5.271859,"eighty":26.034059,"marketCap":200858372},{"date":"2023-09-22","current":-4.632338,"twenty":-7.974701,"median":5.24409,"eighty":25.848708,"marketCap":206736612},{"date":"2023-09-29","current":-4.7392,"twenty":-7.974701,"median":5.177053,"eighty":25.541497,"marketCap":211505751},{"date":"2023-10-06","current":-4.687012,"twenty":-7.976405,"median":5.136423,"eighty":25.465068,"marketCap":209176637},{"date":"2023-10-13","current":-4.622397,"twenty":-7.978109,"median":5.119493,"eighty":25.301991,"marketCap":206292972},{"date":"2023-10-20","current":-4.719319,"twenty":-7.978109,"median":5.105949,"eighty":25.301991,"marketCap":210618469},{"date":"2023-10-27","current":-4.729259,"twenty":-7.983221,"median":5.09124,"eighty":25.35298,"marketCap":211062110},{"date":"2023-11-03","current":-4.908191,"twenty":-7.983221,"median":5.078862,"eighty":25.35298,"marketCap":219047645},{"date":"2023-11-10","current":-5.277628,"twenty":-7.983221,"median":5.031459,"eighty":25.35298,"marketCap":221855645},{"date":"2023-11-17","current":-5.269723,"twenty":-7.983221,"median":5.016222,"eighty":25.35298,"marketCap":221523360},{"date":"2023-11-24","current":-5.267088,"twenty":-7.983221,"median":4.999293,"eighty":25.35298,"marketCap":221412598},{"date":"2023-12-01","current":-5.259184,"twenty":-7.983221,"median":4.953583,"eighty":25.35298,"marketCap":221080313},{"date":"2023-12-08","current":-5.132711,"twenty":-7.981517,"median":4.909566,"eighty":25.335984,"marketCap":215763752},{"date":"2023-12-15","current":-5.214391,"twenty":-7.981517,"median":4.806442,"eighty":25.335984,"marketCap":219197364},{"date":"2023-12-22","current":-5.369848,"twenty":-7.981517,"median":4.66918,"eighty":25.335984,"marketCap":225732303},{"date":"2023-12-29","current":-5.743998,"twenty":-7.983221,"median":4.610933,"eighty":25.35298,"marketCap":241460462},{"date":"2024-01-05","current":-5.90736,"twenty":-7.988333,"median":4.246455,"eighty":25.374682,"marketCap":248327686},{"date":"2024-01-12","current":-5.794061,"twenty":-7.988333,"median":4.100681,"eighty":25.374682,"marketCap":243564934},{"date":"2024-01-19","current":-6.044373,"twenty":-7.993445,"median":4.025534,"eighty":25.396384,"marketCap":254087293},{"date":"2024-01-26","current":-6.081261,"twenty":-7.988333,"median":3.913797,"eighty":25.374682,"marketCap":255637957},{"date":"2024-02-02","current":-6.068086,"twenty":-7.988333,"median":3.889576,"eighty":25.374682,"marketCap":255084149},{"date":"2024-02-09","current":-6.27624,"twenty":-7.988333,"median":3.818339,"eighty":25.374682,"marketCap":263834321},{"date":"2024-02-16","current":-6.307859,"twenty":-7.988333,"median":3.760485,"eighty":25.374682,"marketCap":265163461},{"date":"2024-02-23","current":-6.18402,"twenty":-7.988333,"median":3.691061,"eighty":25.374682,"marketCap":259957662},{"date":"2024-03-01","current":-6.252527,"twenty":-7.983221,"median":3.664614,"eighty":25.35298,"marketCap":262837466},{"date":"2024-03-08","current":173.516303,"twenty":-7.983221,"median":3.64072,"eighty":25.541497,"marketCap":254027867},{"date":"2024-03-15","current":178.10032,"twenty":-7.983221,"median":3.64072,"eighty":25.848708,"marketCap":260738868},{"date":"2024-03-22","current":191.626926,"twenty":-7.983221,"median":3.678064,"eighty":26.10563,"marketCap":280541820},{"date":"2024-03-28","current":203.725724,"twenty":-7.983221,"median":3.714202,"eighty":26.248773,"marketCap":298254460},{"date":"2024-04-05","current":200.268925,"twenty":-7.988333,"median":3.815446,"eighty":26.753687,"marketCap":293193706},{"date":"2024-04-12","current":196.624255,"twenty":-7.988333,"median":3.88487,"eighty":26.950802,"marketCap":287857910},{"date":"2024-04-19","current":183.135223,"twenty":-7.988333,"median":3.913797,"eighty":27.075422,"marketCap":268109966},{"date":"2024-04-26","current":185.389657,"twenty":-7.983221,"median":3.973975,"eighty":27.197093,"marketCap":271410458},{"date":"2024-05-03","current":176.597363,"twenty":-7.983221,"median":4.095466,"eighty":27.376021,"marketCap":258538540},{"date":"2024-05-10","current":38.737901,"twenty":-7.974701,"median":4.236331,"eighty":27.715984,"marketCap":311917577},{"date":"2024-05-17","current":39.037456,"twenty":-7.872461,"median":4.622403,"eighty":28.00227,"marketCap":314329594},{"date":"2024-05-24","current":38.329417,"twenty":-7.804302,"median":4.740379,"eighty":28.843232,"marketCap":308628464},{"date":"2024-05-31","current":37.349055,"twenty":-7.753182,"median":4.856324,"eighty":28.987381,"marketCap":300734592},{"date":"2024-06-07","current":35.728735,"twenty":-7.646682,"median":4.931575,"eighty":29.881016,"marketCap":287687776},{"date":"2024-06-14","current":33.100821,"twenty":-7.399602,"median":4.972206,"eighty":30.865122,"marketCap":266527814},{"date":"2024-06-21","current":29.737636,"twenty":-6.502219,"median":5.007758,"eighty":31.329438,"marketCap":239447448},{"date":"2024-06-28","current":29.30192,"twenty":-6.290996,"median":5.024687,"eighty":31.329438,"marketCap":235939060},{"date":"2024-07-05","current":28.403255,"twenty":-6.261485,"median":5.031459,"eighty":31.329438,"marketCap":228703011},{"date":"2024-07-12","current":29.860182,"twenty":-6.250419,"median":5.082248,"eighty":31.329438,"marketCap":240434182},{"date":"2024-07-19","current":30.581837,"twenty":-6.189817,"median":5.095791,"eighty":32.556176,"marketCap":246244949},{"date":"2024-07-26","current":31.725592,"twenty":-6.093381,"median":5.116107,"eighty":32.556176,"marketCap":255454466},{"date":"2024-08-02","current":29.969111,"twenty":-6.059655,"median":5.129651,"eighty":32.613364,"marketCap":241311279},{"date":"2024-08-09","current":27.09365,"twenty":-5.920534,"median":5.16351,"eighty":32.613364,"marketCap":199626010},{"date":"2024-08-16","current":28.089412,"twenty":-5.805127,"median":5.238,"eighty":32.613364,"marketCap":206962786},{"date":"2024-08-23","current":28.000239,"twenty":-5.423072,"median":5.267124,"eighty":32.613364,"marketCap":206305762},{"date":"2024-08-30","current":29.843142,"twenty":-5.31225,"median":5.390365,"eighty":32.613364,"marketCap":219884272},{"date":"2024-09-06","current":27.494927,"twenty":-5.278682,"median":5.423816,"eighty":32.613364,"marketCap":202582622},{"date":"2024-09-13","current":29.516176,"twenty":-5.267615,"median":5.478269,"eighty":32.613364,"marketCap":217475182},{"date":"2024-09-20","current":29.709383,"twenty":-5.256727,"median":5.528177,"eighty":32.613364,"marketCap":218898735},{"date":"2024-09-27","current":29.932315,"twenty":-5.221769,"median":5.581923,"eighty":32.613364,"marketCap":220541297},{"date":"2024-10-04","current":29.33783,"twenty":-5.182773,"median":5.617221,"eighty":32.613364,"marketCap":216161132},{"date":"2024-10-11","current":29.501314,"twenty":-4.957756,"median":5.639508,"eighty":32.613364,"marketCap":217365678},{"date":"2024-10-18","current":29.709383,"twenty":-4.82618,"median":5.689415,"eighty":32.613364,"marketCap":218898735},{"date":"2024-10-25","current":29.33783,"twenty":-4.748146,"median":5.739322,"eighty":32.613364,"marketCap":216161132},{"date":"2024-11-01","current":28.297482,"twenty":-4.721307,"median":5.758517,"eighty":32.613364,"marketCap":208495844},{"date":"2024-11-08","current":5.501419,"twenty":-4.688503,"median":5.770034,"eighty":32.613364,"marketCap":235229663},{"date":"2024-11-15","current":6.709603,"twenty":-4.659675,"median":5.819941,"eighty":32.613364,"marketCap":286889216},{"date":"2024-11-22","current":7.041411,"twenty":-4.624385,"median":5.885205,"eighty":32.613364,"marketCap":301076641},{"date":"2024-11-29","current":7.276969,"twenty":-4.575676,"median":5.916811,"eighty":32.613364,"marketCap":311148629},{"date":"2024-12-06","current":7.335225,"twenty":-4.525973,"median":5.954805,"eighty":32.613364,"marketCap":313639551},{"date":"2024-12-13","current":7.246574,"twenty":-4.50137,"median":6.02353,"eighty":32.613364,"marketCap":309849017},{"date":"2024-12-20","current":6.684274,"twenty":-4.455394,"median":6.544966,"eighty":32.613364,"marketCap":285806207},{"date":"2024-12-27","current":6.76786,"twenty":-4.376864,"median":6.709603,"eighty":32.613364,"marketCap":289380138},{"date":"2025-01-03","current":6.967957,"twenty":-3.778339,"median":6.810919,"eighty":32.613364,"marketCap":297935913},{"date":"2025-01-10","current":6.362598,"twenty":-3.460296,"median":6.822316,"eighty":32.616087,"marketCap":272051986},{"date":"2025-01-17","current":7.046476,"twenty":-3.41658,"median":6.914767,"eighty":32.616087,"marketCap":301293242},{"date":"2025-01-24","current":7.183252,"twenty":-3.393521,"median":6.946428,"eighty":32.616087,"marketCap":307141494},{"date":"2025-01-31","current":7.049009,"twenty":-3.371422,"median":7.043944,"eighty":32.616087,"marketCap":301401543},{"date":"2025-02-07","current":6.960359,"twenty":-3.361334,"median":7.047743,"eighty":32.616087,"marketCap":297611010},{"date":"2025-02-14","current":6.965424,"twenty":-3.346923,"median":7.103466,"eighty":32.616087,"marketCap":297827612},{"date":"2025-02-21","current":6.800787,"twenty":-3.337315,"median":7.154124,"eighty":32.616087,"marketCap":290788050},{"date":"2025-02-28","current":6.95276,"twenty":-3.328187,"median":7.154124,"eighty":32.616087,"marketCap":297286107},{"date":"2025-03-07","current":5.232722,"twenty":-3.330109,"median":7.160456,"eighty":32.618811,"marketCap":224724471},{"date":"2025-03-14","current":5.08513,"twenty":-3.330109,"median":7.160456,"eighty":32.618811,"marketCap":218385976},{"date":"2025-03-21","current":5.135205,"twenty":-3.330109,"median":7.160456,"eighty":32.618811,"marketCap":220536502},{"date":"2025-03-28","current":5.027543,"twenty":-3.330109,"median":7.160456,"eighty":32.618811,"marketCap":215912870},{"date":"2025-04-04","current":4.664498,"twenty":-3.330109,"median":7.160456,"eighty":32.618811,"marketCap":200321552},{"date":"2025-04-11","current":4.947423,"twenty":-3.328187,"median":7.154124,"eighty":32.616087,"marketCap":212472028},{"date":"2025-04-17","current":4.992424,"twenty":-3.328187,"median":7.154124,"eighty":32.616087,"marketCap":214404633},{"date":"2025-04-25","current":4.960038,"twenty":-3.330109,"median":7.160456,"eighty":32.618811,"marketCap":213013784},{"date":"2025-05-02","current":5.129441,"twenty":-3.330109,"median":7.160456,"eighty":32.618811,"marketCap":220288992},{"date":"2025-05-09","current":5.247744,"twenty":-3.330109,"median":7.160456,"eighty":32.618811,"marketCap":191017881},{"date":"2025-05-16","current":5.627763,"twenty":-3.330109,"median":7.160456,"eighty":32.618811,"marketCap":204850575},{"date":"2025-05-23","current":5.410195,"twenty":-3.330109,"median":7.160456,"eighty":32.618811,"marketCap":196931094},{"date":"2025-05-30","current":5.497222,"twenty":-3.330109,"median":7.160456,"eighty":32.618811,"marketCap":200098886},{"date":"2025-06-06","current":5.532033,"twenty":-3.330109,"median":7.160456,"eighty":32.618811,"marketCap":201366003},{"date":"2025-06-13","current":5.691583,"twenty":-3.330109,"median":7.160456,"eighty":32.618811,"marketCap":207173622},{"date":"2025-06-20","current":5.653871,"twenty":-3.33203,"median":7.161722,"eighty":32.621534,"marketCap":205800912},{"date":"2025-06-27","current":6.323981,"twenty":-3.33203,"median":7.161722,"eighty":32.621534,"marketCap":230192914},{"date":"2025-07-03","current":7.046307,"twenty":-3.33203,"median":7.161722,"eighty":32.621534,"marketCap":256485591},{"date":"2025-07-11","current":7.165245,"twenty":-3.33203,"median":7.164117,"eighty":32.621534,"marketCap":260814907},{"date":"2025-07-18","current":6.808433,"twenty":-3.33203,"median":7.164117,"eighty":32.621534,"marketCap":247826958},{"date":"2025-07-25","current":6.979587,"twenty":-3.33203,"median":7.164117,"eighty":32.621534,"marketCap":254056950},{"date":"2025-08-01","current":6.817136,"twenty":-3.33203,"median":7.16665,"eighty":32.621534,"marketCap":248143738},{"date":"2025-08-08","current":6.527045,"twenty":-3.33203,"median":7.16665,"eighty":32.621534,"marketCap":237584430},{"date":"2025-08-15","current":6.85368,"twenty":-3.33203,"median":7.16665,"eighty":32.621534,"marketCap":249734399},{"date":"2025-08-22","current":6.494491,"twenty":-3.33203,"median":7.16665,"eighty":32.621534,"marketCap":236646261},{"date":"2025-08-29","current":7.794553,"twenty":-3.33203,"median":7.17692,"eighty":32.621534,"marketCap":284017904},{"date":"2025-09-05","current":7.905072,"twenty":-3.333952,"median":7.211114,"eighty":32.624257,"marketCap":288045023},{"date":"2025-09-12","current":7.971966,"twenty":-3.33203,"median":7.244041,"eighty":32.621534,"marketCap":290482491},{"date":"2025-09-19","current":8.140654,"twenty":-3.33203,"median":7.335225,"eighty":32.621534,"marketCap":296629147},{"date":"2025-09-26","current":7.768377,"twenty":-3.33203,"median":7.429268,"eighty":32.621534,"marketCap":283064112},{"date":"2025-10-03","current":7.666582,"twenty":-3.33203,"median":7.686941,"eighty":32.621534,"marketCap":279354923},{"date":"2025-10-10","current":7.660765,"twenty":-3.33203,"median":7.711663,"eighty":32.621534,"marketCap":279142970},{"date":"2025-10-17","current":7.759652,"twenty":-3.33203,"median":7.730567,"eighty":32.621534,"marketCap":282746182},{"date":"2025-10-24","current":7.800369,"twenty":-3.33203,"median":7.76256,"eighty":32.621534,"marketCap":284229858},{"date":"2025-10-31","current":7.878897,"twenty":-3.33203,"median":7.771285,"eighty":32.621534,"marketCap":287091232},{"date":"2025-11-07","current":58.057938,"twenty":-3.33203,"median":7.806186,"eighty":34.165603,"marketCap":283729145},{"date":"2025-11-14","current":56.888273,"twenty":-3.33203,"median":7.906527,"eighty":35.892129,"marketCap":278012990},{"date":"2025-11-21","current":55.718608,"twenty":-3.33203,"median":7.993779,"eighty":36.739052,"marketCap":272296835},{"date":"2025-11-28","current":57.377406,"twenty":-3.33203,"median":8.067944,"eighty":38.133345,"marketCap":280403382},{"date":"2025-12-05","current":56.90954,"twenty":-3.33203,"median":15.558573,"eighty":39.187233,"marketCap":278116920},{"date":"2025-12-12","current":56.888273,"twenty":-3.33203,"median":15.851453,"eighty":39.993159,"marketCap":278012990},{"date":"2025-12-19","current":61.226669,"twenty":-3.33203,"median":15.928527,"eighty":40.598176,"marketCap":299214729},{"date":"2025-12-26","current":59.929403,"twenty":-3.33203,"median":16.021014,"eighty":41.05109,"marketCap":292874993},{"date":"2026-01-02","current":57.313606,"twenty":-3.33203,"median":16.128918,"eighty":41.353033,"marketCap":280091592},{"date":"2026-01-09","current":60.461069,"twenty":-3.33203,"median":16.272788,"eighty":41.536824,"marketCap":295473245},{"date":"2026-01-16","current":62.311267,"twenty":-3.33203,"median":16.401244,"eighty":42.199785,"marketCap":304515163},{"date":"2026-01-23","current":63.459666,"twenty":-3.33203,"median":16.581083,"eighty":42.351238,"marketCap":310127388},{"date":"2026-01-30","current":63.417133,"twenty":-3.33203,"median":17.017832,"eighty":42.54471,"marketCap":309919528},{"date":"2026-02-06","current":66.585863,"twenty":-3.33203,"median":17.598453,"eighty":42.665828,"marketCap":325405111},{"date":"2026-02-09","current":67.500328,"twenty":-3.33203,"median":17.680664,"eighty":42.849619,"marketCap":329874105}],"updateTime":1770717477895},"$inf$@#url:\"https://stock-news.skytigris.cn/v3/notice/important/events/list\",params:#symbol:\"FSTR\",pageSize:20,pageCount:1,market:\"us\",,,undefined,":[{"items":[{"cdn_pdf":false,"hasAttachments":true,"id":"20534968","market":"us","labels":[],"media":"sec.gov","original_id":"AN35282525000140-FSTR","pdf_url":"","pub_time":1765774800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"FSTR","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000140/0000352825-25-000140-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"8-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000140/fstr-20251212.htm","primary":true,"translateUrl":"","linkName":"fstr-20251212.htm","type":"8-K","id":"NTFILEFWuUntMzVJ3hhZsZ","market":"us","size":30234}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2025-12-15 13:00","pubTimestamp":1765774800,"title_zh":"Form 8-K - Current report","summary_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"20528912","market":"us","labels":[],"media":"sec.gov","original_id":"AN92189525003325-FSTR","pdf_url":"","pub_time":1765515600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"FSTR","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/352825/000092189525003325/0000921895-25-003325-index.htm","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000092189525003325/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILE93NJwAn2on8FP3Cr","market":"us","size":0}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Proposed Sale Of Securities","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Proposed Sale Of Securities","pubTime":"2025-12-12 13:00","pubTimestamp":1765515600,"title_zh":"Form 144 - Report of proposed sale of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"20496466","market":"us","labels":[],"media":"sec.gov","original_id":"AN35282525000137-FSTR","pdf_url":"","pub_time":1764910800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"FSTR","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000137/0000352825-25-000137-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"8-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000137/fstr-20251203.htm","primary":true,"translateUrl":"","linkName":"fstr-20251203.htm","type":"8-K","id":"NTFILEFABSro7qbh1T9Sry","market":"us","size":31308}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2025-12-05 13:00","pubTimestamp":1764910800,"title_zh":"Form 8-K - Current report","summary_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"20385563","market":"us","labels":[],"media":"sec.gov","original_id":"AN195824425004445-FSTR","pdf_url":"","pub_time":1762491600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"FSTR","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/352825/000195824425004445/0001958244-25-004445-index.htm","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000195824425004445/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILE35eTeQ8vkyTdth8C","market":"us","size":0}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Proposed Sale Of Securities","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Proposed Sale Of Securities","pubTime":"2025-11-07 13:00","pubTimestamp":1762491600,"title_zh":"Form 144 - Report of proposed sale of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"20362129","market":"us","labels":[],"media":"sec.gov","original_id":"AN35282525000134-FSTR","pdf_url":"","pub_time":1762146000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","symbol":"FSTR","title":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000134/0000352825-25-000134-index.htm","us_notice_code":"Form 10-Q","us_title_en":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000134/fstr-20250930.htm","primary":true,"translateUrl":"","linkName":"fstr-20250930.htm","type":"10-Q","id":"NTFILEGCa4Jx6LNCqrTFoR","market":"us","size":1440634},{"description":"EX-31.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000134/ex-311q32025.htm","primary":false,"translateUrl":"","linkName":"ex-311q32025.htm","type":"EX-31.1","id":"NTFILE5bmwpS3ykjeJxHaf","market":"us","size":9840},{"description":"EX-31.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000134/ex-312q32025.htm","primary":false,"translateUrl":"","linkName":"ex-312q32025.htm","type":"EX-31.2","id":"NTFILEJBnCbtu3wJ9ZhiNV","market":"us","size":10152},{"description":"EX-32.0","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000134/ex-320q32025.htm","primary":false,"translateUrl":"","linkName":"ex-320q32025.htm","type":"EX-32.0","id":"NTFILEFkPY1Euh1hbi3Tg3","market":"us","size":7336},{"description":"GRAPHIC","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000134/fstr-20250930_g1.gif","primary":false,"translateUrl":"","linkName":"fstr-20250930_g1.gif","type":"GRAPHIC","id":"NTFILEEAbAvvp1D5QGQaAs","market":"us","size":40353}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Quarterly Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Quarterly Report","pubTime":"2025-11-03 13:00","pubTimestamp":1762146000,"title_zh":"Form 10-Q - Quarterly report [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"20361051","market":"us","labels":[],"media":"sec.gov","original_id":"AN35282525000132-FSTR","pdf_url":"","pub_time":1762146000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"FSTR","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000132/0000352825-25-000132-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000132/ex-991q32025.htm","primary":true,"translateUrl":"","linkName":"ex-991q32025.htm","type":"EX-99.1","id":"NTFILE9GirdLBgmGKHFK1A","market":"us","size":347992},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000132/fstr-20251103.htm","primary":false,"translateUrl":"","linkName":"fstr-20251103.htm","type":"8-K","id":"NTFILE5xGmfeJ12uXuEPgJ","market":"us","size":30179},{"description":"GRAPHIC","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000132/lbf-corporatexlogo_linearxa.gif","primary":false,"translateUrl":"","linkName":"lbf-corporatexlogo_linearxa.gif","type":"GRAPHIC","id":"NTFILEHVa7qKTyzjUZDMFH","market":"us","size":41967}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2025-11-03 13:00","pubTimestamp":1762146000,"title_zh":"Form 8-K - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"20135356","market":"us","labels":[],"media":"sec.gov","original_id":"AN35282525000122-FSTR","pdf_url":"","pub_time":1757044800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"FSTR","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000122/0000352825-25-000122-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"8-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000122/fstr-20250904.htm","primary":true,"translateUrl":"","linkName":"fstr-20250904.htm","type":"8-K","id":"NTFILE4JH6BtpibRFnH65i","market":"us","size":29725}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2025-09-05 12:00","pubTimestamp":1757044800,"title_zh":"Form 8-K - Current report","summary_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19971909","market":"us","labels":[],"media":"sec.gov","original_id":"AN35282525000116-FSTR","pdf_url":"","pub_time":1754884800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","symbol":"FSTR","title":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000116/0000352825-25-000116-index.htm","us_notice_code":"Form 10-Q","us_title_en":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000116/fstr-20250630.htm","primary":true,"translateUrl":"","linkName":"fstr-20250630.htm","type":"10-Q","id":"NTFILEGG4r6ur5EhdNdEkG","market":"us","size":1446080},{"description":"EX-10.3","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000116/ex-103q22025.htm","primary":false,"translateUrl":"","linkName":"ex-103q22025.htm","type":"EX-10.3","id":"NTFILE9iGgZunF226HzcGu","market":"us","size":34965},{"description":"EX-10.4","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000116/ex-104q22025.htm","primary":false,"translateUrl":"","linkName":"ex-104q22025.htm","type":"EX-10.4","id":"NTFILE8udKuaGtnPgXgorm","market":"us","size":40149},{"description":"EX-10.5","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000116/ex-105q22025.htm","primary":false,"translateUrl":"","linkName":"ex-105q22025.htm","type":"EX-10.5","id":"NTFILE4CuR7c143GAXJDMq","market":"us","size":74664},{"description":"EX-31.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000116/ex-311q22025.htm","primary":false,"translateUrl":"","linkName":"ex-311q22025.htm","type":"EX-31.1","id":"NTFILEDJmL83uoFJmKbu53","market":"us","size":9822},{"description":"EX-31.2","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000116/ex-312q22025.htm","primary":false,"translateUrl":"","linkName":"ex-312q22025.htm","type":"EX-31.2","id":"NTFILEAFEgQR83grnbYfWn","market":"us","size":10151},{"description":"EX-32","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000116/ex-320q22025.htm","primary":false,"translateUrl":"","linkName":"ex-320q22025.htm","type":"EX-32","id":"NTFILEH3BT9rB84g7zkXRZ","market":"us","size":7325},{"description":"GRAPHIC","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000116/fstr-20250630_g1.gif","primary":false,"translateUrl":"","linkName":"fstr-20250630_g1.gif","type":"GRAPHIC","id":"NTFILE8nTg6neZvjFmAb4y","market":"us","size":40353}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Quarterly Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Quarterly Report","pubTime":"2025-08-11 12:00","pubTimestamp":1754884800,"title_zh":"Form 10-Q - Quarterly report [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19970835","market":"us","labels":[],"media":"sec.gov","original_id":"AN35282525000113-FSTR","pdf_url":"","pub_time":1754884800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"FSTR","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000113/0000352825-25-000113-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000113/ex-991q22025.htm","primary":true,"translateUrl":"","linkName":"ex-991q22025.htm","type":"EX-99.1","id":"NTFILE3dTFCtmcB9HkQS2a","market":"us","size":345271},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000113/fstr-20250811.htm","primary":false,"translateUrl":"","linkName":"fstr-20250811.htm","type":"8-K","id":"NTFILE7VsMQg8L5hgF1sPC","market":"us","size":30171},{"description":"GRAPHIC","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000113/lbf-corporatexlogo_linearx.gif","primary":false,"translateUrl":"","linkName":"lbf-corporatexlogo_linearx.gif","type":"GRAPHIC","id":"NTFILE5jBauDjDfzP4zXQb","market":"us","size":41967}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2025-08-11 12:00","pubTimestamp":1754884800,"title_zh":"Form 8-K - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19828473","market":"us","labels":[],"media":"sec.gov","original_id":"AN35282525000108-FSTR","pdf_url":"","pub_time":1751256000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"FSTR","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000108/0000352825-25-000108-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 1.01: Entry into a Material Definitive Agreement;\nItem 2.03: Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-10.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000108/ex-101062025creditfacility.htm","primary":true,"translateUrl":"","linkName":"ex-101062025creditfacility.htm","type":"EX-10.1","id":"NTFILEEEmGi7uhuJ4JSxXr","market":"us","size":1480811},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000108/fstr-20250627.htm","primary":false,"translateUrl":"","linkName":"fstr-20250627.htm","type":"8-K","id":"NTFILEJ9yuwAT6SmQ4h98k","market":"us","size":37181},{"description":"EX-99.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000108/ex-991062025creditfacility.htm","primary":false,"translateUrl":"","linkName":"ex-991062025creditfacility.htm","type":"EX-99.1","id":"NTFILEDQsNnMScH1r6qPr5","market":"us","size":16913},{"description":"GRAPHIC","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000108/lbf-corporatexlogo_linearx.gif","primary":false,"translateUrl":"","linkName":"lbf-corporatexlogo_linearx.gif","type":"GRAPHIC","id":"NTFILE49jaSPDVfgLzDHDe","market":"us","size":41967}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2025-06-30 12:00","pubTimestamp":1751256000,"title_zh":"Form 8-K - Current report","summary_en":"Item 1.01: Entry into a Material Definitive Agreement;\nItem 2.03: Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19771013","market":"us","labels":[],"media":"sec.gov","original_id":"AN35282525000103-FSTR","pdf_url":"","pub_time":1749787200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 11-K - Annual report of employee stock purchase, savings and similar plans","symbol":"FSTR","title":"Form 11-K - Annual report of employee stock purchase, savings and similar plans","titleType":"Employee Stock Ownership","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000103/0000352825-25-000103-index.htm","us_notice_code":"Form 11-K","us_title_en":"Form 11-K - Annual report of employee stock purchase, savings and similar plans","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"11-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000103/lbfosterco11-k2024201.htm","primary":true,"translateUrl":"","linkName":"lbfosterco11-k2024201.htm","type":"11-K","id":"NTFILEE8kp8Vd969spKmMW","market":"us","size":200045},{"description":"EX-23.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000103/ex2312012024.htm","primary":false,"translateUrl":"","linkName":"ex2312012024.htm","type":"EX-23.1","id":"NTFILE3nvT9G1ytpqgejjR","market":"us","size":2443}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Employee Stock Ownership","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Employee Stock Ownership","pubTime":"2025-06-13 12:00","pubTimestamp":1749787200,"title_zh":"Form 11-K - Annual report of employee stock purchase, savings and similar plans","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19698526","market":"us","labels":[],"media":"sec.gov","original_id":"AN35282525000078-FSTR","pdf_url":"","pub_time":1748318400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"FSTR","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000078/0000352825-25-000078-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers;\nItem 5.07: Submission of Matters to a Vote of Security Holders;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"8-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000078/fstr-20250522.htm","primary":true,"translateUrl":"","linkName":"fstr-20250522.htm","type":"8-K","id":"NTFILE8yRZBqEj8Lf11KEK","market":"us","size":57703}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2025-05-27 12:00","pubTimestamp":1748318400,"title_zh":"Form 8-K - Current report","summary_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers;\nItem 5.07: Submission of Matters to a Vote of Security Holders;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19682562","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312525124630-FSTR","pdf_url":"","pub_time":1747886400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form S-8 - Securities to be offered to employees in employee benefit plans","symbol":"FSTR","title":"Form S-8 - Securities to be offered to employees in employee benefit plans","titleType":"Employee Stock Ownership","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/352825/000119312525124630/0001193125-25-124630-index.htm","us_notice_code":"Form S-8","us_title_en":"Form S-8 - Securities to be offered to employees in employee benefit plans","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"S-8","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000119312525124630/d921462ds8.htm","primary":true,"translateUrl":"","linkName":"d921462ds8.htm","type":"S-8","id":"NTFILE6aSWWBGSp7AHLx2m","market":"us","size":48840},{"description":"EX-5.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000119312525124630/d921462dex51.htm","primary":false,"translateUrl":"","linkName":"d921462dex51.htm","type":"EX-5.1","id":"NTFILE336kkewN4PgUGyQ8","market":"us","size":6253},{"description":"EX-23.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000119312525124630/d921462dex231.htm","primary":false,"translateUrl":"","linkName":"d921462dex231.htm","type":"EX-23.1","id":"NTFILEE4wRHCqnKUWvJM7s","market":"us","size":1537},{"description":"EX-99.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000119312525124630/d921462dex991.htm","primary":false,"translateUrl":"","linkName":"d921462dex991.htm","type":"EX-99.1","id":"NTFILEB4dnX9fi3RrsLw68","market":"us","size":105029},{"description":"EX-FILING FEES","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000119312525124630/d921462dexfilingfees.htm","primary":false,"translateUrl":"","linkName":"d921462dexfilingfees.htm","type":"EX-FILING FEES","id":"NTFILEAUTQhJpnvnUs5i3u","market":"us","size":13881},{"description":"GRAPHIC","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000119312525124630/g921462g0508100441642.jpg","primary":false,"translateUrl":"","linkName":"g921462g0508100441642.jpg","type":"GRAPHIC","id":"NTFILEACvgx3yQZa5qpZzD","market":"us","size":1714},{"description":"GRAPHIC","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000119312525124630/g921462g88y13.jpg","primary":false,"translateUrl":"","linkName":"g921462g88y13.jpg","type":"GRAPHIC","id":"NTFILE3s4sUBH1JDHuEz1b","market":"us","size":20965}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Employee Stock Ownership","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Employee Stock Ownership","pubTime":"2025-05-22 12:00","pubTimestamp":1747886400,"title_zh":"Form S-8 - Securities to be offered to employees in employee benefit plans","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19605639","market":"us","labels":[],"media":"sec.gov","original_id":"AN35282525000061-FSTR","pdf_url":"","pub_time":1746504000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","symbol":"FSTR","title":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000061/0000352825-25-000061-index.htm","us_notice_code":"Form 10-Q","us_title_en":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000061/fstr-20250331.htm","primary":true,"translateUrl":"","linkName":"fstr-20250331.htm","type":"10-Q","id":"NTFILEAkJuK7ZquT4ww44E","market":"us","size":998596},{"description":"EX-31.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000061/ex-311q12025.htm","primary":false,"translateUrl":"","linkName":"ex-311q12025.htm","type":"EX-31.1","id":"NTFILEGJr5Rez5jPw4GNau","market":"us","size":9948},{"description":"EX-31.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000061/ex-312q12025.htm","primary":false,"translateUrl":"","linkName":"ex-312q12025.htm","type":"EX-31.2","id":"NTFILE7GmNQDZnGT4JEJG6","market":"us","size":10282},{"description":"EX-32.0","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000061/ex-320q12025.htm","primary":false,"translateUrl":"","linkName":"ex-320q12025.htm","type":"EX-32.0","id":"NTFILE6jCqVGUiugPSqKfY","market":"us","size":7417},{"description":"GRAPHIC","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000061/fstr-20250331_g1.gif","primary":false,"translateUrl":"","linkName":"fstr-20250331_g1.gif","type":"GRAPHIC","id":"NTFILEDgRNMR6SBpKs4JfE","market":"us","size":40353}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Quarterly Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Quarterly Report","pubTime":"2025-05-06 12:00","pubTimestamp":1746504000,"title_zh":"Form 10-Q - Quarterly report [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19604129","market":"us","labels":[],"media":"sec.gov","original_id":"AN35282525000058-FSTR","pdf_url":"","pub_time":1746504000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"FSTR","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000058/0000352825-25-000058-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000058/ex-991q12025.htm","primary":true,"translateUrl":"","linkName":"ex-991q12025.htm","type":"EX-99.1","id":"NTFILE25sGwG8BkEkB8AGU","market":"us","size":275588},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000058/fstr-20250506.htm","primary":false,"translateUrl":"","linkName":"fstr-20250506.htm","type":"8-K","id":"NTFILE32Sw9qFddCfe82dZ","market":"us","size":30515},{"description":"GRAPHIC","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000058/lbf-corporatexlogo_linearxa.gif","primary":false,"translateUrl":"","linkName":"lbf-corporatexlogo_linearxa.gif","type":"GRAPHIC","id":"NTFILE27Hz2b2Eah7S6qNJ","market":"us","size":41967}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2025-05-06 12:00","pubTimestamp":1746504000,"title_zh":"Form 8-K - Current report","summary_en":"Item 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19595889","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312525111668-FSTR","pdf_url":"","pub_time":1746158400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 15-15D - Suspension of duty to report [Section 13 and 15(d)]","symbol":"FSTR","title":"Form 15-15D - Suspension of duty to report [Section 13 and 15(d)]","titleType":"Notice Of Suspension","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/352825/000119312525111668/0001193125-25-111668-index.htm","us_notice_code":"Form 15-15D","us_title_en":"Form 15-15D - Suspension of duty to report [Section 13 and 15(d)]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"15-15D","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000119312525111668/d905289d1515d.htm","primary":true,"translateUrl":"","linkName":"d905289d1515d.htm","type":"15-15D","id":"NTFILE2B6R6QCC2WB8JdRh","market":"us","size":12700}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Notice Of Suspension","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Notice Of Suspension","pubTime":"2025-05-02 12:00","pubTimestamp":1746158400,"title_zh":"Form 15-15D - Suspension of duty to report [Section 13 and 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19595572","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312525111665-FSTR","pdf_url":"","pub_time":1746158400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments","symbol":"FSTR","title":"Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments","titleType":"Employee Stock Ownership","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/352825/000119312525111665/0001193125-25-111665-index.htm","us_notice_code":"Form S-8 POS","us_title_en":"Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"S-8 POS","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000119312525111665/d879756ds8pos.htm","primary":true,"translateUrl":"","linkName":"d879756ds8pos.htm","type":"S-8 POS","id":"NTFILE2F6MrrfuUgMv85RN","market":"us","size":17686}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Employee Stock Ownership","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Employee Stock Ownership","pubTime":"2025-05-02 12:00","pubTimestamp":1746158400,"title_zh":"Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19215842","market":"us","labels":[],"media":"sec.gov","original_id":"AN35282525000055-FSTR","pdf_url":"","pub_time":1741323600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]","symbol":"FSTR","title":"Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]","titleType":"Annual Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000055/0000352825-25-000055-index.htm","us_notice_code":"Form 10-K","us_title_en":"Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000055/fstr-20241231.htm","primary":true,"translateUrl":"","linkName":"fstr-20241231.htm","type":"10-K","id":"NTFILED6gM68xDfSUr5mSS","market":"us","size":2127477},{"description":"EX-4.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000055/a202410kex-41.htm","primary":false,"translateUrl":"","linkName":"a202410kex-41.htm","type":"EX-4.1","id":"NTFILEEXr69yQnMKbvBYot","market":"us","size":20348},{"description":"EX-10.30","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000055/a202410-kexx1030.htm","primary":false,"translateUrl":"","linkName":"a202410-kexx1030.htm","type":"EX-10.30","id":"NTFILEBz3EmZo5z1Jh2tX2","market":"us","size":45623},{"description":"EX-19.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000055/a202410-kexx191.htm","primary":false,"translateUrl":"","linkName":"a202410-kexx191.htm","type":"EX-19.1","id":"NTFILEDFMK1jXkRwTV49fB","market":"us","size":55905},{"description":"EX-21","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000055/a202410kex-21.htm","primary":false,"translateUrl":"","linkName":"a202410kex-21.htm","type":"EX-21","id":"NTFILECd8jr9miD4C5pbD1","market":"us","size":10743},{"description":"EX-23","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000055/a202410kex-23.htm","primary":false,"translateUrl":"","linkName":"a202410kex-23.htm","type":"EX-23","id":"NTFILEGAZyN4aLopnjDfiN","market":"us","size":7554},{"description":"EX-31.1","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000055/a202410kex-311.htm","primary":false,"translateUrl":"","linkName":"a202410kex-311.htm","type":"EX-31.1","id":"NTFILE8WaMcJmGHHBUA2zc","market":"us","size":11722},{"description":"EX-31.2","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000055/a202410kex-312.htm","primary":false,"translateUrl":"","linkName":"a202410kex-312.htm","type":"EX-31.2","id":"NTFILE8H9eyB4Ss2pCHQHe","market":"us","size":11897},{"description":"EX-32.0","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000055/a202410kex-320.htm","primary":false,"translateUrl":"","linkName":"a202410kex-320.htm","type":"EX-32.0","id":"NTFILECwvd346RoqG3wgZT","market":"us","size":7720},{"description":"EX-97","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000055/a202410kex-97.htm","primary":false,"translateUrl":"","linkName":"a202410kex-97.htm","type":"EX-97","id":"NTFILEJDFc5i7zmGVxFDsW","market":"us","size":31825},{"description":"GRAPHIC","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000055/fstr-20241231_g1.gif","primary":false,"translateUrl":"","linkName":"fstr-20241231_g1.gif","type":"GRAPHIC","id":"NTFILE7ZK5zMW7NPMJvuAs","market":"us","size":40353}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Annual Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Annual Report","pubTime":"2025-03-07 13:00","pubTimestamp":1741323600,"title_zh":"Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19196644","market":"us","labels":[],"media":"sec.gov","original_id":"AN35282525000049-FSTR","pdf_url":"","pub_time":1741064400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"FSTR","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000049/0000352825-25-000049-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000049/ex-991q42024.htm","primary":true,"translateUrl":"","linkName":"ex-991q42024.htm","type":"EX-99.1","id":"NTFILEcXJqetq4wqx89Lvj","market":"us","size":373265},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000049/fstr-20250304.htm","primary":false,"translateUrl":"","linkName":"fstr-20250304.htm","type":"8-K","id":"NTFILEHx6nKVyWg6HmSSrA","market":"us","size":31641},{"description":"GRAPHIC","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282525000049/lbf-corporatexlogo_linearx.gif","primary":false,"translateUrl":"","linkName":"lbf-corporatexlogo_linearx.gif","type":"GRAPHIC","id":"NTFILE4iEDnoAYP3mhLbs8","market":"us","size":41967}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2025-03-04 13:00","pubTimestamp":1741064400,"title_zh":"Form 8-K - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"18916682","market":"us","labels":[],"media":"sec.gov","original_id":"AN35282524000220-FSTR","pdf_url":"","pub_time":1733461200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"FSTR","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/352825/000035282524000220/0000352825-24-000220-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"8-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/352825/000035282524000220/fstr-20241205.htm","primary":true,"translateUrl":"","linkName":"fstr-20241205.htm","type":"8-K","id":"NTFILE61neZ5DnCDEVu8Ck","market":"us","size":27255}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2024-12-06 13:00","pubTimestamp":1733461200,"title_zh":"Form 8-K - Current report","summary_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0}],"pageSize":20,"totalPage":10,"pageCount":1,"totalSize":189,"code":"91000000","status":"200"}]}}