US StockDetailed Quotes

Provided by Tiger Fintech (Singapore) Pte. Ltd.

Mersana Therapeutics Inc.

7.24

-0.1400-1.90%

Post-market: 7.240.00000.00%16:10 EDT

Volume:73.84K

Turnover:533.09K

Market Cap:36.13M

PE:-0.48

High:7.42

Open:7.27

Low:7.03

Close:7.38

52wk High:70.75

52wk Low:5.21

Shares:4.99M

Float Shares:3.75M

Volume Ratio:0.52

T/O Rate:1.97%

Dividend:- -

Dividend Rate:- -

EPS(TTM):-15.0059

EPS(LYR):-14.1162

ROE:-505.14%

ROA:-34.11%

PB:-0.68

PE(LYR):-0.51

Loading ...

Overview Company News Filings

Major Issues Report

8-K - Current report

Beneficial Ownership Change

SC 13G/A [Amend] - Statement of acquisition of beneficial ownership by individuals

Beneficial Ownership Change

SC 13G/A [Amend] - Statement of acquisition of beneficial ownership by individuals

Beneficial Ownership Change

SC 13G/A [Amend] - Statement of acquisition of beneficial ownership by individuals

Beneficial Ownership Change

SC 13G - Statement of acquisition of beneficial ownership by individuals

Beneficial Ownership Change

SC 13G/A [Amend] - Statement of acquisition of beneficial ownership by individuals

Beneficial Ownership Change

SC 13G/A [Amend] - Statement of acquisition of beneficial ownership by individuals

Major Issues Report

8-K - Current report

Major Issues Report

8-K - Current report

Beneficial Ownership Change

SC 13G/A [Amend] - Statement of acquisition of beneficial ownership by individuals

Major Issues Report

8-K - Current report

Major Issues Report

8-K - Current report

Major Issues Report

8-K - Current report

Major Issues Report

8-K - Current report

Quarterly Report

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

Major Issues Report

8-K - Current report

Major Issues Report

8-K - Current report

Major Issues Report

8-K - Current report

Major Issues Report

8-K - Current report

Major Issues Report

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/MRSN/filings?page=5"},"companyName":"Tiger Brokers"},"pageData":{"isMobile":false,"isTiger":false,"isTTM":true,"region":"SGP","license":"TBSG","edition":"fundamental","symbol":"MRSN","isAnalysisPage":false},"__swrFallback__":{"@#url:\"https://hq.skytigris.cn/stock_info/detail/global\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"MRSN\",,,,,undefined,":{"symbol":"MRSN","market":"US","secType":"STK","nameCN":"Mersana Therapeutics Inc.","latestPrice":7.24,"timestamp":1755633600000,"preClose":7.38,"halted":0,"volume":73840,"hourTrading":{"tag":"盘后","latestPrice":7.24,"preClose":7.24,"latestTime":"16:10 EDT","volume":1157,"amount":8376.68,"timestamp":1755634204259},"delay":0,"floatShares":3753400,"shares":4990692,"eps":-15.005875,"marketStatus":"Post-Mkt","change":-0.14,"latestTime":"08-19 16:38:23 EDT","open":7.27,"high":7.42,"low":7.03,"amount":533087.26056,"amplitude":0.052846,"askPrice":7.62,"askSize":100,"bidPrice":5.9,"bidSize":200,"shortable":3,"etf":0,"ttmEps":-15.005875,"tradingStatus":3,"nextMarketStatus":{"tag":"Closed","tradingStatus":0,"beginTime":1755648000000},"marketStatusCode":4,"adr":0,"adrRate":0,"listingDate":1498622400000,"exchange":"NASDAQ","adjPreClose":7.38,"preHourTrading":{"tag":"盘前","latestPrice":7.224,"preClose":7.38,"latestTime":"09:08 EDT","volume":206,"amount":1531.824034,"timestamp":1755608908520},"postHourTrading":{"tag":"盘后","latestPrice":7.24,"preClose":7.24,"latestTime":"16:10 EDT","volume":1157,"amount":8376.68,"timestamp":1755634204259},"volumeRatio":0.51667,"impliedVol":0.2446,"impliedVolPercentile":0.1325},"@#url:\"https://hq.skytigris.cn/stock_info/fundamental/all\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"MRSN\",,,,,undefined,":{"symbol":"MRSN","floatShares":3753400,"roa":"-34.11%","roe":"-505.14%","lyrEps":-14.11625,"volumeRatio":0.51667,"shares":4990692,"dividePrice":0,"high":7.42,"amplitude":0.052846,"preClose":7.38,"low":7.03,"week52Low":5.21,"pbRate":"-0.68","psRate":"1.04","week52High":70.75,"institutionHeld":0,"latestPrice":7.24,"committee":0.333333,"eps":-15.005875,"divideRate":0,"volume":73840,"delay":0,"ttmEps":-15.005875,"open":7.27,"prevYearClose":35.75,"prevWeekClose":7.16,"prevMonthClose":6.85,"prevQuarterClose":7.4,"fiveDayClose":6.07,"twentyDayClose":9.0925,"sixtyDayClose":9.75},"@#url:\"https://hq.skytigris.cn/fundamental/corporate_actions/details/MRSN\",params:#limit:5,,,undefined,":[{"market":"US","date":"2025-08-13","symbol":"MRSN","fiscalQuarterEnding":"2025/06","expectedEps":-3.75,"name":null,"time":"Pre-Market","type":"earning","dateTimestamp":1755057600000,"reportTimeType":"pre","actualEps":-4.08},{"market":"US","date":"2025-07-28","symbol":"MRSN","defaultRemindTime":1753709400000,"type":"split","dateTimestamp":1753675200000,"forFactor":25,"toFactor":1,"ratio":25},{"market":"US","date":"2025-05-15","symbol":"MRSN","fiscalQuarterEnding":"2025/03","expectedEps":-0.21,"name":null,"time":"Pre-Market","type":"earning","dateTimestamp":1747281600000,"reportTimeType":"pre","actualEps":-0.19},{"market":"US","date":"2025-03-03","symbol":"MRSN","fiscalQuarterEnding":"2024/12","expectedEps":-0.16,"name":null,"time":"Pre-Market","type":"earning","dateTimestamp":1740978000000,"reportTimeType":"pre","actualEps":-0.11},{"market":"US","date":"2024-11-13","symbol":"MRSN","fiscalQuarterEnding":"2024/09","expectedEps":-0.18,"name":null,"time":"Pre-Market","type":"earning","dateTimestamp":1731474000000,"reportTimeType":"pre","actualEps":-0.09}],"@#url:\"https://hq.skytigris.cn/fundamental/dividend/history\",params:#symbol:\"MRSN\",market:\"US\",,,undefined,":[],"@#url:\"https://hq.skytigris.cn/fundamental/estimate/recommendation\",params:#symbol:\"MRSN\",market:\"US\",delay:false,,,undefined,":{"strongBuy":0.5556,"buy":0.3333,"hold":0.1111,"sell":0,"strongSell":0,"meanLabel":"BUY","meanPercent":0.3333,"analysts":9,"updateTime":1738987200000},"@#url:\"https://hq.skytigris.cn/value_analysis/stock/MRSN\",params:#withQuantilePoint:true,period:\"5year\",factor:\"peRate\",delay:false,algorithm:1,,,undefined,":{"brief":{"id":"MRSN","date":"2025-08-18","current":-0.482642,"percent":0.987785,"low":-25.208144,"twenty":-7.635154,"median":-2.630518,"eighty":-1.248351,"high":-0.40214,"avg":-5.032133,"sd":5.89173,"marketCap":35733354},"quantilePoints":[{"date":"2020-08-21","current":-17.233739,"twenty":-13.725532,"median":-6.846776,"eighty":-3.291105,"marketCap":1202053307},{"date":"2020-08-28","current":-18.155749,"twenty":-13.803519,"median":-6.867052,"eighty":-3.307649,"marketCap":1266363501},{"date":"2020-09-04","current":-15.889959,"twenty":-13.960176,"median":-6.902913,"eighty":-3.3097,"marketCap":1108324620},{"date":"2020-09-11","current":-18.29307,"twenty":-14.315089,"median":-7.032499,"eighty":-3.323057,"marketCap":1275941615},{"date":"2020-09-18","current":-21.637808,"twenty":-14.569329,"median":-7.067387,"eighty":-3.336415,"marketCap":1509237106},{"date":"2020-09-25","current":-19.082663,"twenty":-14.915054,"median":-7.167068,"eighty":-3.342333,"marketCap":1331015770},{"date":"2020-10-02","current":-17.400486,"twenty":-15.162983,"median":-7.223247,"eighty":-3.34729,"marketCap":1213683874},{"date":"2020-10-09","current":-19.097376,"twenty":-15.425861,"median":-7.30908,"eighty":-3.35024,"marketCap":1332041997},{"date":"2020-10-16","current":-17.537806,"twenty":-15.560417,"median":-7.343885,"eighty":-3.352886,"marketCap":1223261988},{"date":"2020-10-23","current":-18.126323,"twenty":-15.856191,"median":-7.424569,"eighty":-3.354225,"marketCap":1264311048},{"date":"2020-10-30","current":-17.675127,"twenty":-15.991627,"median":-7.4509,"eighty":-3.367582,"marketCap":1232840102},{"date":"2020-11-06","current":-21.951684,"twenty":-16.370513,"median":-7.554329,"eighty":-3.385916,"marketCap":1531129938},{"date":"2020-11-13","current":-20.463253,"twenty":-16.614704,"median":-7.63243,"eighty":-3.392228,"marketCap":1543931959},{"date":"2020-11-20","current":-21.198623,"twenty":-16.777498,"median":-7.809687,"eighty":-3.400519,"marketCap":1599414873},{"date":"2020-11-27","current":-22.796463,"twenty":-16.915098,"median":-7.824196,"eighty":-3.409251,"marketCap":1719970341},{"date":"2020-12-04","current":-21.171387,"twenty":-17.204635,"median":-7.901566,"eighty":-3.418063,"marketCap":1597359951},{"date":"2020-12-11","current":-22.024779,"twenty":-17.271695,"median":-7.977339,"eighty":-3.426038,"marketCap":1661747530},{"date":"2020-12-18","current":-23.313945,"twenty":-17.418141,"median":-8.075684,"eighty":-3.436378,"marketCap":1759013874},{"date":"2020-12-24","current":-24.330753,"twenty":-17.545653,"median":-8.256863,"eighty":-3.450162,"marketCap":1835730990},{"date":"2020-12-31","current":-24.158259,"twenty":-17.675127,"median":-8.344164,"eighty":-3.461193,"marketCap":1822716479},{"date":"2021-01-08","current":-16.913505,"twenty":-17.675127,"median":-8.439206,"eighty":-3.472958,"marketCap":1276107027},{"date":"2021-01-15","current":-19.14685,"twenty":-17.740355,"median":-8.475708,"eighty":-3.480379,"marketCap":1444610693},{"date":"2021-01-22","current":-18.002942,"twenty":-17.851682,"median":-8.50926,"eighty":-3.480379,"marketCap":1358303937},{"date":"2021-01-29","current":-17.303886,"twenty":-17.851682,"median":-8.538813,"eighty":-3.509157,"marketCap":1305560920},{"date":"2021-02-05","current":-21.407431,"twenty":-17.941922,"median":-8.60137,"eighty":-3.517257,"marketCap":1615169281},{"date":"2021-02-12","current":-20.472331,"twenty":-18.067472,"median":-8.664681,"eighty":-3.529357,"marketCap":1544616933},{"date":"2021-02-19","current":-18.393323,"twenty":-18.078715,"median":-8.680786,"eighty":-3.532325,"marketCap":1387757830},{"date":"2021-02-26","current":-14.256354,"twenty":-18.067472,"median":-8.723484,"eighty":-3.536778,"marketCap":1255200685},{"date":"2021-03-05","current":-14.436715,"twenty":-18.067472,"median":-8.776247,"eighty":-3.548651,"marketCap":1271080562},{"date":"2021-03-12","current":-14.115202,"twenty":-18.067472,"median":-8.792603,"eighty":-3.554588,"marketCap":1242772956},{"date":"2021-03-19","current":-13.723113,"twenty":-18.059262,"median":-8.852397,"eighty":-3.554588,"marketCap":1208251485},{"date":"2021-03-26","current":-13.040878,"twenty":-18.023281,"median":-8.957197,"eighty":-3.554588,"marketCap":1148184125},{"date":"2021-04-01","current":-13.699588,"twenty":-17.981672,"median":-9.055506,"eighty":-3.563493,"marketCap":1206180196},{"date":"2021-04-09","current":-12.397852,"twenty":-17.945845,"median":-9.272673,"eighty":-3.582787,"marketCap":1091568913},{"date":"2021-04-16","current":-13.056562,"twenty":-17.936036,"median":-9.314216,"eighty":-3.596403,"marketCap":1149564984},{"date":"2021-04-23","current":-12.56253,"twenty":-17.921038,"median":-9.361,"eighty":-3.604409,"marketCap":1106067930},{"date":"2021-04-30","current":-12.493491,"twenty":-17.891126,"median":-9.379483,"eighty":-3.611384,"marketCap":1099989407},{"date":"2021-05-07","current":-12.093511,"twenty":-17.86073,"median":-9.397388,"eighty":-3.627839,"marketCap":1064773173},{"date":"2021-05-14","current":-9.611327,"twenty":-17.851682,"median":-9.447996,"eighty":-3.644421,"marketCap":1016993706},{"date":"2021-05-21","current":-9.236603,"twenty":-17.847758,"median":-9.414971,"eighty":-3.651059,"marketCap":977343472},{"date":"2021-05-28","current":-9.414104,"twenty":-17.826341,"median":-9.414537,"eighty":-3.651059,"marketCap":996125162},{"date":"2021-06-04","current":-9.611327,"twenty":-17.80126,"median":-9.414537,"eighty":-3.655932,"marketCap":1016993706},{"date":"2021-06-11","current":-9.795401,"twenty":-17.783377,"median":-9.460123,"eighty":-3.682424,"marketCap":1036471013},{"date":"2021-06-18","current":-9.045955,"twenty":-17.727309,"median":-9.461144,"eighty":-3.71191,"marketCap":957170546},{"date":"2021-06-25","current":-9.236603,"twenty":-17.671186,"median":-9.433826,"eighty":-3.720888,"marketCap":977343472},{"date":"2021-07-02","current":-8.848732,"twenty":-17.651548,"median":-9.414537,"eighty":-3.733842,"marketCap":936302002},{"date":"2021-07-09","current":-8.467434,"twenty":-17.636044,"median":-9.399172,"eighty":-3.736986,"marketCap":895956151},{"date":"2021-07-16","current":-8.211045,"twenty":-17.547615,"median":-9.394382,"eighty":-3.743881,"marketCap":868827044},{"date":"2021-07-23","current":-7.823173,"twenty":-17.537806,"median":-9.368988,"eighty":-3.750775,"marketCap":827785574},{"date":"2021-07-30","current":-7.231504,"twenty":-17.537806,"median":-9.361,"eighty":-3.751075,"marketCap":765179943},{"date":"2021-08-06","current":-6.993044,"twenty":-17.440066,"median":-9.321309,"eighty":-3.754951,"marketCap":887690064},{"date":"2021-08-13","current":-6.87998,"twenty":-17.429911,"median":-9.29279,"eighty":-3.754951,"marketCap":873337759},{"date":"2021-08-20","current":-6.591665,"twenty":-17.400486,"median":-9.277648,"eighty":-3.755411,"marketCap":836739381},{"date":"2021-08-27","current":-7.354851,"twenty":-17.358358,"median":-9.236603,"eighty":-3.769792,"marketCap":933617440},{"date":"2021-09-03","current":-7.942787,"twenty":-17.331825,"median":-9.193872,"eighty":-3.772877,"marketCap":1008249426},{"date":"2021-09-10","current":-4.839164,"twenty":-17.318413,"median":-9.169462,"eighty":-3.788291,"marketCap":614278654},{"date":"2021-09-17","current":-5.591044,"twenty":-17.306121,"median":-9.045955,"eighty":-3.803176,"marketCap":709721482},{"date":"2021-09-24","current":-5.376221,"twenty":-17.296624,"median":-8.974108,"eighty":-3.806704,"marketCap":682452102},{"date":"2021-10-01","current":-5.421447,"twenty":-17.288721,"median":-8.927621,"eighty":-3.813095,"marketCap":688193024},{"date":"2021-10-08","current":-5.003108,"twenty":-17.256191,"median":-8.850565,"eighty":-3.818707,"marketCap":635089496},{"date":"2021-10-15","current":-4.799592,"twenty":-17.236679,"median":-8.802628,"eighty":-3.839145,"marketCap":609255347},{"date":"2021-10-22","current":-4.776979,"twenty":-17.233739,"median":-8.778606,"eighty":-3.865066,"marketCap":606384886},{"date":"2021-10-29","current":-4.839164,"twenty":-17.21449,"median":-8.756638,"eighty":-3.873014,"marketCap":614278654},{"date":"2021-11-05","current":-5.540165,"twenty":-17.199592,"median":-8.722544,"eighty":-3.885674,"marketCap":703262945},{"date":"2021-11-12","current":-4.384195,"twenty":-17.06162,"median":-8.680786,"eighty":-3.900429,"marketCap":657274153},{"date":"2021-11-19","current":-3.861353,"twenty":-16.987196,"median":-8.664681,"eighty":-3.900429,"marketCap":578890255},{"date":"2021-11-26","current":-3.333715,"twenty":-16.966281,"median":-8.60137,"eighty":-3.86674,"marketCap":499787239},{"date":"2021-12-03","current":-2.959572,"twenty":-16.95828,"median":-8.538813,"eighty":-3.811545,"marketCap":443696009},{"date":"2021-12-10","current":-2.820467,"twenty":-16.931197,"median":-8.526601,"eighty":-3.771643,"marketCap":422841578},{"date":"2021-12-17","current":-2.748516,"twenty":-16.913505,"median":-8.5066,"eighty":-3.753401,"marketCap":412054803},{"date":"2021-12-23","current":-3.012335,"twenty":-16.88856,"median":-8.474008,"eighty":-3.739744,"marketCap":451606311},{"date":"2021-12-31","current":-2.983555,"twenty":-16.847267,"median":-8.459061,"eighty":-3.713394,"marketCap":447291601},{"date":"2022-01-07","current":-3.007539,"twenty":-16.818197,"median":-8.439206,"eighty":-3.651059,"marketCap":450887192},{"date":"2022-01-14","current":-3.012335,"twenty":-16.779436,"median":-8.344164,"eighty":-3.627839,"marketCap":451606311},{"date":"2022-01-21","current":-2.45112,"twenty":-16.773622,"median":-8.283713,"eighty":-3.594048,"marketCap":367469466},{"date":"2022-01-28","current":-2.07218,"twenty":-16.772547,"median":-8.203363,"eighty":-3.554588,"marketCap":310659118},{"date":"2022-02-04","current":-2.048196,"twenty":-16.751489,"median":-8.150242,"eighty":-3.532325,"marketCap":307063526},{"date":"2022-02-11","current":-2.07218,"twenty":-16.683058,"median":-8.105859,"eighty":-3.480379,"marketCap":310659118},{"date":"2022-02-18","current":-1.856328,"twenty":-16.675374,"median":-8.039168,"eighty":-3.432703,"marketCap":278298793},{"date":"2022-02-25","current":-1.961855,"twenty":-16.667031,"median":-7.987245,"eighty":-3.406035,"marketCap":294119396},{"date":"2022-03-04","current":-2.025167,"twenty":-16.641146,"median":-7.949358,"eighty":-3.354225,"marketCap":344399898},{"date":"2022-03-11","current":-2.034974,"twenty":-16.57982,"median":-7.930142,"eighty":-3.3443,"marketCap":346067694},{"date":"2022-03-18","current":-2.020263,"twenty":-16.522614,"median":-7.886255,"eighty":-3.3097,"marketCap":343566000},{"date":"2022-03-25","current":-1.936903,"twenty":-16.514045,"median":-7.872326,"eighty":-3.232984,"marketCap":329389733},{"date":"2022-04-01","current":-2.118334,"twenty":-16.486809,"median":-7.824196,"eighty":-3.185017,"marketCap":360243961},{"date":"2022-04-08","current":-2.113431,"twenty":-16.450494,"median":-7.815803,"eighty":-3.171612,"marketCap":359410063},{"date":"2022-04-14","current":-2.407644,"twenty":-16.414416,"median":-7.765999,"eighty":-3.139372,"marketCap":409443947},{"date":"2022-04-22","current":-2.138691,"twenty":-16.382141,"median":-7.691691,"eighty":-3.111377,"marketCap":363705834},{"date":"2022-04-29","current":-1.933155,"twenty":-16.368575,"median":-7.635811,"eighty":-3.081408,"marketCap":328752287},{"date":"2022-05-06","current":-2.0387,"twenty":-16.219347,"median":-7.58056,"eighty":-3.03004,"marketCap":346701406},{"date":"2022-05-13","current":-1.582664,"twenty":-16.105003,"median":-7.506657,"eighty":-3.007258,"marketCap":289034068},{"date":"2022-05-20","current":-1.853523,"twenty":-16.013913,"median":-7.439579,"eighty":-2.969165,"marketCap":338499630},{"date":"2022-05-27","current":-1.768548,"twenty":-15.990174,"median":-7.381928,"eighty":-2.941023,"marketCap":322981022},{"date":"2022-06-03","current":-1.800413,"twenty":-15.988721,"median":-7.350846,"eighty":-2.912302,"marketCap":328800500},{"date":"2022-06-10","current":-1.731371,"twenty":-15.93058,"median":-7.323542,"eighty":-2.895807,"marketCap":316191631},{"date":"2022-06-17","current":-1.965053,"twenty":-15.890703,"median":-7.284717,"eighty":-2.863773,"marketCap":358867802},{"date":"2022-06-24","current":-2.655477,"twenty":-15.867447,"median":-7.236667,"eighty":-2.820467,"marketCap":484956490},{"date":"2022-07-01","current":-2.458972,"twenty":-15.74453,"median":-7.183781,"eighty":-2.7725,"marketCap":449069709},{"date":"2022-07-08","current":-2.867915,"twenty":-15.60693,"median":-7.167068,"eighty":-2.759069,"marketCap":523753009},{"date":"2022-07-15","current":-2.990067,"twenty":-15.58755,"median":-7.073156,"eighty":-2.75796,"marketCap":546061007},{"date":"2022-07-22","current":-2.89447,"twenty":-15.56817,"median":-7.042467,"eighty":-2.75796,"marketCap":528602574},{"date":"2022-07-29","current":-2.692654,"twenty":-15.54434,"median":-7.012771,"eighty":-2.756838,"marketCap":491745880},{"date":"2022-08-05","current":-2.676721,"twenty":-15.509674,"median":-6.902913,"eighty":-2.752136,"marketCap":488836141},{"date":"2022-08-12","current":-3.792957,"twenty":-15.492587,"median":-6.874002,"eighty":-2.752136,"marketCap":735571964},{"date":"2022-08-19","current":-3.747863,"twenty":-15.444136,"median":-6.858057,"eighty":-2.756385,"marketCap":726826723},{"date":"2022-08-26","current":-3.807989,"twenty":-15.432876,"median":-6.817747,"eighty":-2.756421,"marketCap":738487044},{"date":"2022-09-02","current":-3.883146,"twenty":-15.416539,"median":-6.793264,"eighty":-2.756567,"marketCap":753062447},{"date":"2022-09-09","current":-3.908199,"twenty":-15.407313,"median":-6.761657,"eighty":-2.756567,"marketCap":757920914},{"date":"2022-09-16","current":-3.687736,"twenty":-15.18735,"median":-6.716036,"eighty":-2.757923,"marketCap":715166401},{"date":"2022-09-23","current":-3.081464,"twenty":-15.17475,"median":-6.703137,"eighty":-2.75811,"marketCap":597591490},{"date":"2022-09-30","current":-3.387106,"twenty":-15.155139,"median":-6.68972,"eighty":-2.762906,"marketCap":656864792},{"date":"2022-10-07","current":-3.777926,"twenty":-15.106919,"median":-6.674912,"eighty":-2.78689,"marketCap":732656883},{"date":"2022-10-14","current":-3.296916,"twenty":-15.064057,"median":-6.652061,"eighty":-2.788113,"marketCap":639374309},{"date":"2022-10-21","current":-3.602558,"twenty":-14.961567,"median":-6.595259,"eighty":-2.796423,"marketCap":698647612},{"date":"2022-10-28","current":-3.597547,"twenty":-14.961567,"median":-6.585496,"eighty":-2.804184,"marketCap":697675918},{"date":"2022-11-04","current":-3.777926,"twenty":-14.884046,"median":-6.57895,"eighty":-2.820467,"marketCap":732656883},{"date":"2022-11-11","current":-3.324661,"twenty":-14.845286,"median":-6.524855,"eighty":-2.820467,"marketCap":692430567},{"date":"2022-11-18","current":-3.051598,"twenty":-14.690243,"median":-6.515523,"eighty":-2.854044,"marketCap":635559469},{"date":"2022-11-25","current":-3.128248,"twenty":-14.650529,"median":-6.499675,"eighty":-2.857882,"marketCap":651523286},{"date":"2022-12-02","current":-3.473169,"twenty":-14.601282,"median":-6.443918,"eighty":-2.865417,"marketCap":723360463},{"date":"2022-12-09","current":-3.094714,"twenty":-14.561955,"median":-6.429428,"eighty":-2.867744,"marketCap":644539116},{"date":"2022-12-16","current":-3.118667,"twenty":-14.460288,"median":-6.420022,"eighty":-2.879207,"marketCap":649527809},{"date":"2022-12-23","current":-2.773745,"twenty":-14.406974,"median":-6.404092,"eighty":-2.866602,"marketCap":577690632},{"date":"2022-12-30","current":-2.807279,"twenty":-14.384204,"median":-6.372231,"eighty":-2.840613,"marketCap":584674802},{"date":"2023-01-06","current":-2.658771,"twenty":-14.315089,"median":-6.3563,"eighty":-2.80108,"marketCap":553744906},{"date":"2023-01-13","current":-2.903091,"twenty":-14.176368,"median":-6.34037,"eighty":-2.785464,"marketCap":604629573},{"date":"2023-01-20","current":-3.06597,"twenty":-13.975089,"median":-6.298821,"eighty":-2.769409,"marketCap":638552684},{"date":"2023-01-27","current":-3.195316,"twenty":-13.827634,"median":-6.212925,"eighty":-2.769409,"marketCap":665491626},{"date":"2023-02-03","current":-3.362986,"twenty":-13.730112,"median":-6.176462,"eighty":-2.769409,"marketCap":700412476},{"date":"2023-02-10","current":-3.113876,"twenty":-13.708458,"median":-6.101411,"eighty":-2.769409,"marketCap":648530070},{"date":"2023-02-17","current":-2.917462,"twenty":-13.608463,"median":-6.02572,"eighty":-2.769409,"marketCap":607622789},{"date":"2023-02-24","current":-2.48631,"twenty":-13.544374,"median":-5.894505,"eighty":-2.758868,"marketCap":517826317},{"date":"2023-03-03","current":-2.999372,"twenty":-13.393759,"median":-5.826358,"eighty":-2.758035,"marketCap":612507839},{"date":"2023-03-10","current":-2.443933,"twenty":-13.069753,"median":-5.719077,"eighty":-2.757381,"marketCap":499080461},{"date":"2023-03-17","current":-2.470383,"twenty":-12.937424,"median":-5.638433,"eighty":-2.753179,"marketCap":504481765},{"date":"2023-03-24","current":-2.184728,"twenty":-12.752301,"median":-5.562777,"eighty":-2.73489,"marketCap":446147685},{"date":"2023-03-31","current":-2.174148,"twenty":-12.689782,"median":-5.540572,"eighty":-2.709832,"marketCap":443987164},{"date":"2023-04-06","current":-2.264077,"twenty":-12.689782,"median":-5.489285,"eighty":-2.700659,"marketCap":462351596},{"date":"2023-04-14","current":-2.301106,"twenty":-12.691565,"median":-5.421447,"eighty":-2.652962,"marketCap":469913421},{"date":"2023-04-21","current":-2.264577,"twenty":-12.691565,"median":-5.359261,"eighty":-2.636809,"marketCap":462453895},{"date":"2023-04-28","current":-1.986846,"twenty":-12.691565,"median":-5.314035,"eighty":-2.620027,"marketCap":405737851},{"date":"2023-05-05","current":-3.760053,"twenty":-12.691565,"median":-5.129646,"eighty":-2.614427,"marketCap":767847977},{"date":"2023-05-12","current":-4.288455,"twenty":-12.691565,"median":-5.065923,"eighty":-2.614427,"marketCap":913942621},{"date":"2023-05-19","current":-3.966418,"twenty":-12.691565,"median":-5.003108,"eighty":-2.614427,"marketCap":845311135},{"date":"2023-05-26","current":-3.993255,"twenty":-12.693349,"median":-4.907002,"eighty":-2.612765,"marketCap":851030426},{"date":"2023-06-02","current":-4.063029,"twenty":-12.693349,"median":-4.847485,"eighty":-2.612765,"marketCap":865900581},{"date":"2023-06-09","current":-4.637328,"twenty":-12.696916,"median":-4.824388,"eighty":-2.609441,"marketCap":988293398},{"date":"2023-06-16","current":-2.087871,"twenty":-12.696916,"median":-4.788285,"eighty":-2.607678,"marketCap":444960800},{"date":"2023-06-23","current":-1.738998,"twenty":-12.706111,"median":-4.748712,"eighty":-2.591746,"marketCap":370610024},{"date":"2023-06-30","current":-1.717529,"twenty":-12.715306,"median":-4.597335,"eighty":-2.57752,"marketCap":366034592},{"date":"2023-07-07","current":-1.878547,"twenty":-12.715306,"median":-4.541199,"eighty":-2.55442,"marketCap":400350335},{"date":"2023-07-14","current":-1.980525,"twenty":-12.715306,"median":-4.486252,"eighty":-2.537289,"marketCap":422083638},{"date":"2023-07-21","current":-2.007362,"twenty":-12.715306,"median":-4.292164,"eighty":-2.503064,"marketCap":427802929},{"date":"2023-07-28","current":-0.574299,"twenty":-12.715306,"median":-4.247963,"eighty":-2.463341,"marketCap":122392816},{"date":"2023-08-04","current":-0.587717,"twenty":-12.715306,"median":-4.157659,"eighty":-2.452645,"marketCap":125252461},{"date":"2023-08-11","current":-0.671958,"twenty":-12.715306,"median":-4.109098,"eighty":-2.425078,"marketCap":144608749},{"date":"2023-08-18","current":-0.666358,"twenty":-12.715306,"median":-4.057662,"eighty":-2.407348,"marketCap":143403676},{"date":"2023-08-25","current":-0.688757,"twenty":-12.715306,"median":-4.01373,"eighty":-2.361235,"marketCap":148223967},{"date":"2023-09-01","current":-0.621561,"twenty":-12.715306,"median":-3.99642,"eighty":-2.335789,"marketCap":133763093},{"date":"2023-09-08","current":-0.716755,"twenty":-12.715306,"median":-3.971997,"eighty":-2.307651,"marketCap":154249332},{"date":"2023-09-15","current":-0.828748,"twenty":-12.715306,"median":-3.939367,"eighty":-2.288658,"marketCap":178350790},{"date":"2023-09-22","current":-0.705556,"twenty":-12.715306,"median":-3.914499,"eighty":-2.271345,"marketCap":151839186},{"date":"2023-09-29","current":-0.711156,"twenty":-12.715306,"median":-3.890919,"eighty":-2.264369,"marketCap":153044259},{"date":"2023-10-06","current":-0.778351,"twenty":-12.715306,"median":-3.871728,"eighty":-2.247707,"marketCap":167505134},{"date":"2023-10-13","current":-0.80635,"twenty":-12.715306,"median":-3.839414,"eighty":-2.229311,"marketCap":173530499},{"date":"2023-10-20","current":-0.783951,"twenty":-12.715306,"median":-3.817184,"eighty":-2.217917,"marketCap":168710207},{"date":"2023-10-27","current":-0.674758,"twenty":-12.742891,"median":-3.82302,"eighty":-2.216467,"marketCap":145211285},{"date":"2023-11-03","current":-0.716755,"twenty":-12.742891,"median":-3.82302,"eighty":-2.20639,"marketCap":154249332},{"date":"2023-11-10","current":-0.734324,"twenty":-12.742891,"median":-3.82302,"eighty":-2.199797,"marketCap":144698536},{"date":"2023-11-17","current":-0.942382,"twenty":-12.742891,"median":-3.82302,"eighty":-2.181459,"marketCap":185696455},{"date":"2023-11-24","current":-0.972979,"twenty":-12.742891,"median":-3.82302,"eighty":-2.178759,"marketCap":191725561},{"date":"2023-12-01","current":-1.009695,"twenty":-12.742891,"median":-3.82302,"eighty":-2.168994,"marketCap":198960488},{"date":"2023-12-08","current":-1.248351,"twenty":-12.733696,"median":-3.821372,"eighty":-2.153831,"marketCap":245987512},{"date":"2023-12-15","current":-1.223873,"twenty":-12.733696,"median":-3.821372,"eighty":-2.151476,"marketCap":241164228},{"date":"2023-12-22","current":-1.187157,"twenty":-12.733696,"median":-3.821372,"eighty":-2.151476,"marketCap":233929301},{"date":"2023-12-29","current":-1.431932,"twenty":-12.742891,"median":-3.82302,"eighty":-2.152659,"marketCap":282162146},{"date":"2024-01-05","current":-1.413574,"twenty":-12.747596,"median":-3.825526,"eighty":-2.157349,"marketCap":278544683},{"date":"2024-01-12","current":-1.982675,"twenty":-12.747596,"median":-3.825526,"eighty":-2.157349,"marketCap":390686049},{"date":"2024-01-19","current":-1.606334,"twenty":-12.752301,"median":-3.828031,"eighty":-2.164723,"marketCap":316528049},{"date":"2024-01-26","current":-1.939839,"twenty":-12.747596,"median":-3.825526,"eighty":-2.157349,"marketCap":382245301},{"date":"2024-02-02","current":-2.068346,"twenty":-12.747596,"median":-3.825526,"eighty":-2.157349,"marketCap":407567545},{"date":"2024-02-09","current":-2.588492,"twenty":-12.747596,"median":-3.825526,"eighty":-2.167114,"marketCap":510062342},{"date":"2024-02-16","current":-2.349837,"twenty":-12.747596,"median":-3.825526,"eighty":-2.167114,"marketCap":463035317},{"date":"2024-02-23","current":-2.31312,"twenty":-12.747596,"median":-3.825526,"eighty":-2.167114,"marketCap":455800390},{"date":"2024-03-01","current":-3.843935,"twenty":-12.742891,"median":-3.828031,"eighty":-2.168858,"marketCap":659888358},{"date":"2024-03-08","current":-4.133644,"twenty":-12.742891,"median":-3.861353,"eighty":-2.168858,"marketCap":709622590},{"date":"2024-03-15","current":-3.536562,"twenty":-12.742891,"median":-3.868115,"eighty":-2.168858,"marketCap":607121550},{"date":"2024-03-22","current":-3.398774,"twenty":-12.742891,"median":-3.844001,"eighty":-2.168858,"marketCap":583467463},{"date":"2024-03-28","current":-3.17266,"twenty":-12.742891,"median":-3.844001,"eighty":-2.168858,"marketCap":544650501},{"date":"2024-04-05","current":-3.003074,"twenty":-12.747596,"median":-3.830536,"eighty":-2.167114,"marketCap":515537779},{"date":"2024-04-12","current":-2.628573,"twenty":-12.747596,"median":-3.830536,"eighty":-2.167114,"marketCap":451247186},{"date":"2024-04-19","current":-2.360063,"twenty":-12.747596,"median":-3.830536,"eighty":-2.167114,"marketCap":405152043},{"date":"2024-04-26","current":-2.031395,"twenty":-12.742891,"median":-3.828031,"eighty":-2.158521,"marketCap":348729522},{"date":"2024-05-03","current":-2.394907,"twenty":-12.742891,"median":-3.828031,"eighty":-2.152659,"marketCap":411133752},{"date":"2024-05-10","current":-2.237325,"twenty":-12.742891,"median":-3.805934,"eighty":-2.152659,"marketCap":301620446},{"date":"2024-05-17","current":-2.341703,"twenty":-12.742891,"median":-3.792957,"eighty":-2.152659,"marketCap":315691988},{"date":"2024-05-24","current":-2.241863,"twenty":-12.742891,"median":-3.772877,"eighty":-2.152659,"marketCap":302232252},{"date":"2024-05-31","current":-2.178328,"twenty":-12.742891,"median":-3.747863,"eighty":-2.15118,"marketCap":293666966},{"date":"2024-06-07","current":-2.010415,"twenty":-12.742891,"median":-3.732831,"eighty":-2.132946,"marketCap":271030137},{"date":"2024-06-14","current":-2.014954,"twenty":-12.747596,"median":-3.70041,"eighty":-2.122257,"marketCap":271641943},{"date":"2024-06-21","current":-1.851579,"twenty":-12.752301,"median":-3.652663,"eighty":-2.107501,"marketCap":249616921},{"date":"2024-06-28","current":-1.810735,"twenty":-12.766416,"median":-3.616157,"eighty":-2.096022,"marketCap":244110665},{"date":"2024-07-05","current":-1.670052,"twenty":-12.766416,"median":-3.585021,"eighty":-2.093817,"marketCap":225144674},{"date":"2024-07-12","current":-1.842503,"twenty":-12.766416,"median":-3.544507,"eighty":-2.077643,"marketCap":248393309},{"date":"2024-07-15","current":-1.887884,"twenty":-12.766416,"median":-3.526971,"eighty":-2.076976,"marketCap":254511370},{"date":"2024-08-02","current":-1.633746,"twenty":-12.878245,"median":-3.461193,"eighty":-2.070287,"marketCap":220250224},{"date":"2024-08-09","current":-1.32515,"twenty":-12.878245,"median":-3.422179,"eighty":-2.064587,"marketCap":178647404},{"date":"2024-08-16","current":-1.744572,"twenty":-12.878245,"median":-3.406035,"eighty":-2.055662,"marketCap":182785825},{"date":"2024-08-23","current":-1.650904,"twenty":-12.878245,"median":-3.377358,"eighty":-2.048792,"marketCap":172971821},{"date":"2024-08-30","current":-1.779698,"twenty":-12.878245,"median":-3.362986,"eighty":-2.034994,"marketCap":186466077},{"date":"2024-09-06","current":-1.662613,"twenty":-12.878245,"median":-3.362053,"eighty":-2.027658,"marketCap":174198572},{"date":"2024-09-13","current":-2.072411,"twenty":-12.878245,"median":-3.362053,"eighty":-2.016211,"marketCap":217134840},{"date":"2024-09-20","current":-2.56417,"twenty":-12.878245,"median":-3.362053,"eighty":-2.016211,"marketCap":268658361},{"date":"2024-09-27","current":-2.16608,"twenty":-12.878245,"median":-3.362053,"eighty":-2.016211,"marketCap":226948844},{"date":"2024-10-04","current":-2.365125,"twenty":-12.878245,"median":-3.362053,"eighty":-2.016211,"marketCap":247803603},{"date":"2024-10-11","current":-2.224622,"twenty":-12.878245,"median":-3.362053,"eighty":-2.022225,"marketCap":233082596},{"date":"2024-10-18","current":-2.470502,"twenty":-12.878245,"median":-3.362053,"eighty":-2.022225,"marketCap":258844357},{"date":"2024-10-25","current":-2.353416,"twenty":-12.878245,"median":-3.362053,"eighty":-2.022225,"marketCap":246576852},{"date":"2024-10-31","current":-2.189497,"twenty":-12.878245,"median":-3.362053,"eighty":-2.022225,"marketCap":229402345},{"date":"2024-11-08","current":-2.985678,"twenty":-12.891996,"median":-3.362519,"eighty":-2.021244,"marketCap":312821380},{"date":"2024-11-15","current":-4.171899,"twenty":-12.891996,"median":-3.362519,"eighty":-2.021244,"marketCap":311302930},{"date":"2024-11-22","current":-3.277921,"twenty":-12.891996,"median":-3.362053,"eighty":-2.021244,"marketCap":244595159},{"date":"2024-11-29","current":-3.774575,"twenty":-12.891996,"median":-3.347884,"eighty":-2.021244,"marketCap":281655032},{"date":"2024-12-06","current":-3.840796,"twenty":-12.891996,"median":-3.347884,"eighty":-2.021244,"marketCap":286596348},{"date":"2024-12-13","current":-3.807686,"twenty":-12.891996,"median":-3.347884,"eighty":-2.021244,"marketCap":284125690},{"date":"2024-12-20","current":-2.880597,"twenty":-12.891996,"median":-3.324661,"eighty":-2.021244,"marketCap":214947261},{"date":"2024-12-27","current":-2.350832,"twenty":-12.891996,"median":-3.313055,"eighty":-2.021244,"marketCap":175416730},{"date":"2025-01-03","current":-2.317722,"twenty":-12.891996,"median":-3.298812,"eighty":-2.021244,"marketCap":172946072},{"date":"2025-01-10","current":-2.15217,"twenty":-12.905747,"median":-3.23364,"eighty":-2.020263,"marketCap":160592781},{"date":"2025-01-17","current":-1.017149,"twenty":-12.905747,"median":-3.216748,"eighty":-2.010925,"marketCap":75898619},{"date":"2025-01-24","current":-0.86153,"twenty":-12.905747,"median":-3.209688,"eighty":-1.99126,"marketCap":64286525},{"date":"2025-01-31","current":-1.054067,"twenty":-12.905747,"median":-3.185017,"eighty":-1.981042,"marketCap":78653403},{"date":"2025-02-07","current":-1.132041,"twenty":-12.905747,"median":-3.176154,"eighty":-1.976131,"marketCap":84471803},{"date":"2025-02-14","current":-1.008706,"twenty":-12.905747,"median":-3.152201,"eighty":-1.961855,"marketCap":75268601},{"date":"2025-02-21","current":-0.874112,"twenty":-12.836992,"median":-3.133038,"eighty":-1.956517,"marketCap":65225375},{"date":"2025-02-28","current":-0.832559,"twenty":-12.821308,"median":-3.123197,"eighty":-1.939839,"marketCap":62124699},{"date":"2025-03-07","current":-0.946011,"twenty":-12.675452,"median":-3.113876,"eighty":-1.925995,"marketCap":65456379},{"date":"2025-03-14","current":-0.807135,"twenty":-12.675452,"median":-3.091899,"eighty":-1.906194,"marketCap":55847303},{"date":"2025-03-21","current":-0.796148,"twenty":-12.675452,"median":-3.077447,"eighty":-1.882133,"marketCap":55087051},{"date":"2025-03-28","current":-0.670421,"twenty":-12.675452,"median":-3.058009,"eighty":-1.861222,"marketCap":46387784},{"date":"2025-04-04","current":-0.551359,"twenty":-12.675452,"median":-3.031339,"eighty":-1.851579,"marketCap":38149652},{"date":"2025-04-11","current":-0.470844,"twenty":-12.56253,"median":-3.012335,"eighty":-1.846343,"marketCap":32578632},{"date":"2025-04-17","current":-0.604856,"twenty":-12.468428,"median":-3.006,"eighty":-1.835609,"marketCap":41851203},{"date":"2025-04-25","current":-0.652589,"twenty":-11.894009,"median":-2.987872,"eighty":-1.809733,"marketCap":45153934},{"date":"2025-05-02","current":-0.720496,"twenty":-9.819068,"median":-2.971649,"eighty":-1.787331,"marketCap":49852535},{"date":"2025-05-09","current":-0.603415,"twenty":-9.684956,"median":-2.954775,"eighty":-1.768538,"marketCap":41751498},{"date":"2025-05-16","current":-0.529619,"twenty":-9.684956,"median":-2.916588,"eighty":-1.746758,"marketCap":39196556},{"date":"2025-05-23","current":-0.656761,"twenty":-9.684956,"median":-2.895777,"eighty":-1.733143,"marketCap":48606222},{"date":"2025-05-30","current":-0.587717,"twenty":-9.606068,"median":-2.875077,"eighty":-1.724035,"marketCap":43496337},{"date":"2025-06-06","current":-0.620218,"twenty":-9.507456,"median":-2.837255,"eighty":-1.7034,"marketCap":45901722},{"date":"2025-06-13","current":-0.611461,"twenty":-9.433826,"median":-2.803646,"eighty":-1.672951,"marketCap":45253639},{"date":"2025-06-20","current":-0.599673,"twenty":-9.340474,"median":-2.788117,"eighty":-1.661958,"marketCap":44381219},{"date":"2025-06-27","current":-0.547301,"twenty":-9.236603,"median":-2.773745,"eighty":-1.652234,"marketCap":40505185},{"date":"2025-07-03","current":-0.487519,"twenty":-9.093288,"median":-2.756385,"eighty":-1.631242,"marketCap":36080772},{"date":"2025-07-11","current":-0.639921,"twenty":-8.743546,"median":-2.745001,"eighty":-1.580653,"marketCap":47359908},{"date":"2025-07-18","current":-0.611798,"twenty":-8.455601,"median":-2.714939,"eighty":-1.511498,"marketCap":45278565},{"date":"2025-07-25","current":-0.542417,"twenty":-8.1361,"median":-2.701886,"eighty":-1.414977,"marketCap":40143754},{"date":"2025-08-01","current":-0.461417,"twenty":-7.956185,"median":-2.681935,"eighty":-1.334022,"marketCap":34148983},{"date":"2025-08-08","current":-0.44525,"twenty":-7.851772,"median":-2.655477,"eighty":-1.308291,"marketCap":32952522},{"date":"2025-08-15","current":-0.500168,"twenty":-7.660135,"median":-2.634233,"eighty":-1.252022,"marketCap":37030934},{"date":"2025-08-18","current":-0.482642,"twenty":-7.635154,"median":-2.630518,"eighty":-1.248351,"marketCap":35733354}],"updateTime":1755635903265},"$inf$@#url:\"https://stock-news.skytigris.cn/v3/notice/important/events/list\",params:#symbol:\"MRSN\",pageSize:20,pageCount:5,market:\"us\",,,undefined,":[{"items":[{"cdn_pdf":false,"hasAttachments":true,"id":"16011690","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465923026355-MRSN","pdf_url":"","pub_time":1677513600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"MRSN","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1442836/000110465923026355/0001104659-23-026355-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\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":"EXHIBIT 99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1442836/000110465923026355/tm237935d1_ex99-1.htm","primary":true,"translateUrl":"","linkName":"tm237935d1_ex99-1.htm","type":"EX-99.1","id":"NTFILE7TkQqG15uRNDNgc8","market":"us","size":56481},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1442836/000110465923026355/tm237935d1_8k.htm","primary":false,"translateUrl":"","linkName":"tm237935d1_8k.htm","type":"8-K","id":"NTFILE57LUxeGyR7RBhG59","market":"us","size":30095}],"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":"2023-02-28 00:00","pubTimestamp":1677513600,"title_zh":"8-K  - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\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":"15972896","market":"us","labels":[],"media":"sec.gov","original_id":"AN117152023000104-MRSN","pdf_url":"","pub_time":1676304000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","symbol":"MRSN","title":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1442836/000117152023000104/0001171520-23-000104-index.htm","us_notice_code":"Form SC 13G/A","us_title_en":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1325383/000117152023000104/eps10650_mersana.htm","primary":true,"translateUrl":"","linkName":"eps10650_mersana.htm","type":"SC 13G/A","id":"NTFILE5QFJdSkAhwUAHgGR","market":"us","size":198368}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2023-02-14 00:00","pubTimestamp":1676304000,"title_zh":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"15972895","market":"us","labels":[],"media":"sec.gov","original_id":"AN90266423001685-MRSN","pdf_url":"","pub_time":1676304000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","symbol":"MRSN","title":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1442836/000090266423001685/0000902664-23-001685-index.htm","us_notice_code":"Form SC 13G/A","us_title_en":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"MERSANA THERAPEUTICS, INC.","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1442836/000090266423001685/p23-0574sc13ga.htm","primary":true,"translateUrl":"","linkName":"p23-0574sc13ga.htm","type":"SC 13G/A","id":"NTFILE4W7m6cwyFvnGCUvK","market":"us","size":57069}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2023-02-14 00:00","pubTimestamp":1676304000,"title_zh":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"15972894","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312523039175-MRSN","pdf_url":"","pub_time":1676304000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","symbol":"MRSN","title":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1442836/000119312523039175/0001193125-23-039175-index.htm","us_notice_code":"Form SC 13G/A","us_title_en":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"SC 13G/A","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/924223/000119312523039175/d466514dsc13ga.htm","primary":true,"translateUrl":"","linkName":"d466514dsc13ga.htm","type":"SC 13G/A","id":"NTFILEB5BCuznqv2ecwes5","market":"us","size":45487},{"description":"EX-99.B","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/924223/000119312523039175/d466514dex99b.htm","primary":false,"translateUrl":"","linkName":"d466514dex99b.htm","type":"EX-99.B","id":"NTFILEG4AW6e4DUV5KRwuX","market":"us","size":3130}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2023-02-14 00:00","pubTimestamp":1676304000,"title_zh":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"15972893","market":"us","labels":[],"media":"sec.gov","original_id":"AN94787123000180-MRSN","pdf_url":"","pub_time":1676304000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G  - Statement of acquisition of beneficial ownership by individuals","symbol":"MRSN","title":"SC 13G  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1442836/000094787123000180/0000947871-23-000180-index.htm","us_notice_code":"Form SC 13G","us_title_en":"SC 13G  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"SCHEDULE 13G","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1055951/000094787123000180/ss1758599_sc13g.htm","primary":true,"translateUrl":"","linkName":"ss1758599_sc13g.htm","type":"SC 13G","id":"NTFILEGUJkXxJkBWimyoW5","market":"us","size":50017},{"description":"JOINT FILING AGREEMENT","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1055951/000094787123000180/ss1758599_ex99a.htm","primary":false,"translateUrl":"","linkName":"ss1758599_ex99a.htm","type":"EX-99.A","id":"NTFILE5Qb8CWgiTBWo6gc1","market":"us","size":5946}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2023-02-14 00:00","pubTimestamp":1676304000,"title_zh":"SC 13G  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"15942650","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465923016464-MRSN","pdf_url":"","pub_time":1675872000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","symbol":"MRSN","title":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1442836/000110465923016464/0001104659-23-016464-index.htm","us_notice_code":"Form SC 13G/A","us_title_en":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"SCHEDULE 13G/A","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/102909/000110465923016464/tv01410-mersanatherapeuticsi.htm","primary":true,"translateUrl":"","linkName":"tv01410-mersanatherapeuticsi.htm","type":"SC 13G/A","id":"NTFILED53SPS8RKRuaqDW3","market":"us","size":11471}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2023-02-09 00:00","pubTimestamp":1675872000,"title_zh":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"15920129","market":"us","labels":[],"media":"sec.gov","original_id":"AN84608723000138-MRSN","pdf_url":"","pub_time":1675612800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","symbol":"MRSN","title":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1442836/000084608723000138/0000846087-23-000138-index.htm","us_notice_code":"Form SC 13G/A","us_title_en":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"SEC SCHEDULE 13G","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/902219/000084608723000138/SEC13G_Filing.htm","primary":true,"translateUrl":"","linkName":"SEC13G_Filing.htm","type":"SC 13G/A","id":"NTFILEABNGzZ65aUfjYZ8o","market":"us","size":30897}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2023-02-06 00:00","pubTimestamp":1675612800,"title_zh":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"15902639","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465923008993-MRSN","pdf_url":"","pub_time":1675180800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"MRSN","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1442836/000110465923008993/0001104659-23-008993-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 7.01: Regulation FD Disclosure;\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":"EXHIBIT 99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1442836/000110465923008993/tm235110d1_ex99-1.htm","primary":true,"translateUrl":"","linkName":"tm235110d1_ex99-1.htm","type":"EX-99.1","id":"NTFILE6diYkrXsqLRTn9fv","market":"us","size":10269},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1442836/000110465923008993/tm235110d1_8k.htm","primary":false,"translateUrl":"","linkName":"tm235110d1_8k.htm","type":"8-K","id":"NTFILE2wKvPzQq2JYYsDBp","market":"us","size":29522}],"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":"2023-02-01 00:00","pubTimestamp":1675180800,"title_zh":"8-K  - Current report","summary_en":"Item 7.01: Regulation FD Disclosure;\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":"15881654","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465923006386-MRSN","pdf_url":"","pub_time":1674576000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"MRSN","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1442836/000110465923006386/0001104659-23-006386-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 7.01: Regulation FD Disclosure;\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":"EXHIBIT 99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1442836/000110465923006386/tm234346d1_ex99-1.htm","primary":true,"translateUrl":"","linkName":"tm234346d1_ex99-1.htm","type":"EX-99.1","id":"NTFILEDy9UpPf2JTs1K9GL","market":"us","size":12759},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1442836/000110465923006386/tm234346d1_8k.htm","primary":false,"translateUrl":"","linkName":"tm234346d1_8k.htm","type":"8-K","id":"NTFILE7zn78udB4WYUPova","market":"us","size":30170}],"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":"2023-01-25 00:00","pubTimestamp":1674576000,"title_zh":"8-K  - Current report","summary_en":"Item 7.01: Regulation FD Disclosure;\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":"15872647","market":"us","labels":[],"media":"sec.gov","original_id":"AN127308723000038-MRSN","pdf_url":"","pub_time":1674057600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","symbol":"MRSN","title":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1442836/000127308723000038/0001273087-23-000038-index.htm","us_notice_code":"Form SC 13G/A","us_title_en":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1273087/000127308723000038/MRSN_SC13GA1_2023.htm","primary":true,"translateUrl":"","linkName":"MRSN_SC13GA1_2023.htm","type":"SC 13G/A","id":"NTFILE3RiVCyeV9T9MkJtq","market":"us","size":79695}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2023-01-19 00:00","pubTimestamp":1674057600,"title_zh":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"15829541","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465923001693-MRSN","pdf_url":"","pub_time":1672934400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"MRSN","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1442836/000110465923001693/0001104659-23-001693-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 7.01: Regulation FD Disclosure;\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":"EXHIBIT 99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1442836/000110465923001693/tm232318d1_ex99-1.htm","primary":true,"translateUrl":"","linkName":"tm232318d1_ex99-1.htm","type":"EX-99.1","id":"NTFILEJ8ryFJPd6LzEBeeb","market":"us","size":26758},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1442836/000110465923001693/tm232318d1_8k.htm","primary":false,"translateUrl":"","linkName":"tm232318d1_8k.htm","type":"8-K","id":"NTFILE8yCs7SjL4gEuurFM","market":"us","size":49320}],"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":"2023-01-06 00:00","pubTimestamp":1672934400,"title_zh":"8-K  - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 7.01: Regulation FD Disclosure;\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":"15795733","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465922130027-MRSN","pdf_url":"","pub_time":1672070400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"MRSN","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1442836/000110465922130027/0001104659-22-130027-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","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"FORM 8-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1442836/000110465922130027/tm2233259d2_8k.htm","primary":true,"translateUrl":"","linkName":"tm2233259d2_8k.htm","type":"8-K","id":"NTFILE5ppMyF1F56hRyW1b","market":"us","size":28929}],"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":"2022-12-27 00:00","pubTimestamp":1672070400,"title_zh":"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","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"15783427","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465922129522-MRSN","pdf_url":"","pub_time":1671638400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"MRSN","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1442836/000110465922129522/0001104659-22-129522-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 1.01: Entry into a Material Definitive Agreement;\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":"EXHIBIT 99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1442836/000110465922129522/tm2233259d1_ex99-1.htm","primary":true,"translateUrl":"","linkName":"tm2233259d1_ex99-1.htm","type":"EX-99.1","id":"NTFILE8HSXHEwaW7pzhAp8","market":"us","size":13875},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1442836/000110465922129522/tm2233259d1_8k.htm","primary":false,"translateUrl":"","linkName":"tm2233259d1_8k.htm","type":"8-K","id":"NTFILE3Z7vhD4x8rcCyuwx","market":"us","size":38209}],"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":"2022-12-22 00:00","pubTimestamp":1671638400,"title_zh":"8-K  - Current report","summary_en":"Item 1.01: Entry into a Material Definitive Agreement;\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":"15644397","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465922115117-MRSN","pdf_url":"","pub_time":1667750400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"MRSN","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1442836/000110465922115117/0001104659-22-115117-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EXHIBIT 99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1442836/000110465922115117/tm2229799d1_ex99-1.htm","primary":true,"translateUrl":"","linkName":"tm2229799d1_ex99-1.htm","type":"EX-99.1","id":"NTFILEcypwKhzQdUa7fevX","market":"us","size":47134},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1442836/000110465922115117/tm2229799d1_8k.htm","primary":false,"translateUrl":"","linkName":"tm2229799d1_8k.htm","type":"8-K","id":"NTFILE41gYkvVJKHGmfZs8","market":"us","size":27619}],"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":"2022-11-07 00:00","pubTimestamp":1667750400,"title_zh":"8-K  - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"15644396","market":"us","labels":[],"media":"sec.gov","original_id":"AN162828022028551-MRSN","pdf_url":"","pub_time":1667750400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"10-Q  - Quarterly report [Sections 13 or 15(d)]","symbol":"MRSN","title":"10-Q  - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1442836/000162828022028551/0001628280-22-028551-index.htm","us_notice_code":"Form 10-Q","us_title_en":"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/1442836/000162828022028551/mrsn-20220930.htm","primary":true,"translateUrl":"","linkName":"mrsn-20220930.htm","type":"10-Q","id":"NTFILEADZujtTWSughXCSi","market":"us","size":1628254},{"description":"EX-10.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1442836/000162828022028551/exhibit101.htm","primary":false,"translateUrl":"","linkName":"exhibit101.htm","type":"EX-10.1","id":"NTFILE58ZqjMWH2WW4EW3D","market":"us","size":1260299},{"description":"EX-31.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1442836/000162828022028551/exhibit31110-qfy2022q3.htm","primary":false,"translateUrl":"","linkName":"exhibit31110-qfy2022q3.htm","type":"EX-31.1","id":"NTFILE62pDA3phzNiBPWTN","market":"us","size":11206},{"description":"EX-31.2","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1442836/000162828022028551/exhibit31210-qfy2022q3.htm","primary":false,"translateUrl":"","linkName":"exhibit31210-qfy2022q3.htm","type":"EX-31.2","id":"NTFILEF3FMQMwY3239mV6Q","market":"us","size":11170},{"description":"EX-32.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1442836/000162828022028551/exhibit32110-qfy2022q3.htm","primary":false,"translateUrl":"","linkName":"exhibit32110-qfy2022q3.htm","type":"EX-32.1","id":"NTFILEBALFyCgFxMYf1A4T","market":"us","size":5806}],"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":"2022-11-07 00:00","pubTimestamp":1667750400,"title_zh":"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":"15644394","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465922115408-MRSN","pdf_url":"","pub_time":1667750400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"MRSN","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1442836/000110465922115408/0001104659-22-115408-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 1.01: Entry into a Material Definitive Agreement;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EXHIBIT 1.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1442836/000110465922115408/tm2229816d1_ex1-1.htm","primary":true,"translateUrl":"","linkName":"tm2229816d1_ex1-1.htm","type":"EX-1.1","id":"NTFILEH4GM2nDqwohbNWiT","market":"us","size":218985},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1442836/000110465922115408/tm2229816d1_8k.htm","primary":false,"translateUrl":"","linkName":"tm2229816d1_8k.htm","type":"8-K","id":"NTFILE83fj1m4BWojbkvKv","market":"us","size":32494},{"description":"EXHIBIT 5.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1442836/000110465922115408/tm2229816d1_ex5-1.htm","primary":false,"translateUrl":"","linkName":"tm2229816d1_ex5-1.htm","type":"EX-5.1","id":"NTFILEHi2tWSnoLanuWXHk","market":"us","size":9722},{"description":"GRAPHIC","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1442836/000110465922115408/tm2229816d1_ex5-1img001.jpg","primary":false,"translateUrl":"","linkName":"tm2229816d1_ex5-1img001.jpg","type":"GRAPHIC","id":"NTFILEosAkrkZWAbuRTrPH","market":"us","size":5106},{"description":"GRAPHIC","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1442836/000110465922115408/tm2229816d1_ex5-1img002.jpg","primary":false,"translateUrl":"","linkName":"tm2229816d1_ex5-1img002.jpg","type":"GRAPHIC","id":"NTFILE7DMwQnChvQxMgX9p","market":"us","size":26206}],"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":"2022-11-07 00:00","pubTimestamp":1667750400,"title_zh":"8-K  - Current report","summary_en":"Item 1.01: Entry into a Material Definitive Agreement;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"15510696","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465922106784-MRSN","pdf_url":"","pub_time":1664985600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"MRSN","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1442836/000110465922106784/0001104659-22-106784-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 7.01: Regulation FD Disclosure;\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":"EXHIBIT 99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1442836/000110465922106784/tm2227731d1_ex99-1.htm","primary":true,"translateUrl":"","linkName":"tm2227731d1_ex99-1.htm","type":"EX-99.1","id":"NTFILEEULGxi9CeRQLTfiX","market":"us","size":11462},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1442836/000110465922106784/tm2227731d1_8k.htm","primary":false,"translateUrl":"","linkName":"tm2227731d1_8k.htm","type":"8-K","id":"NTFILEAHmrFJwpHdJtD7D9","market":"us","size":29053}],"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":"2022-10-06 00:00","pubTimestamp":1664985600,"title_zh":"8-K  - Current report","summary_en":"Item 7.01: Regulation FD Disclosure;\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":"15325327","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465922091578-MRSN","pdf_url":"","pub_time":1660579200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"MRSN","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1442836/000110465922091578/0001104659-22-091578-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 7.01: Regulation FD Disclosure;\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":"EXHIBIT 99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1442836/000110465922091578/tm2223459d1_ex99-1.htm","primary":true,"translateUrl":"","linkName":"tm2223459d1_ex99-1.htm","type":"EX-99.1","id":"NTFILEBC7XTz3Y7RJLBVDD","market":"us","size":9861},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1442836/000110465922091578/tm2223459d1_8k.htm","primary":false,"translateUrl":"","linkName":"tm2223459d1_8k.htm","type":"8-K","id":"NTFILEDarDKbaGBqeNPZ2E","market":"us","size":29277}],"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":"2022-08-16 00:00","pubTimestamp":1660579200,"title_zh":"8-K  - Current report","summary_en":"Item 7.01: Regulation FD Disclosure;\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":"15295442","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465922087223-MRSN","pdf_url":"","pub_time":1659888000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"MRSN","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1442836/000110465922087223/0001104659-22-087223-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 1.01: Entry into a Material Definitive Agreement;\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":"EXHIBIT 99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1442836/000110465922087223/tm2222753d2_ex99-1.htm","primary":true,"translateUrl":"","linkName":"tm2222753d2_ex99-1.htm","type":"EX-99.1","id":"NTFILEFeRp6avAL77UttzA","market":"us","size":15937},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1442836/000110465922087223/tm2222753d2_8k.htm","primary":false,"translateUrl":"","linkName":"tm2222753d2_8k.htm","type":"8-K","id":"NTFILEGT2rSFe9Rwu24bvv","market":"us","size":41252}],"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":"2022-08-08 00:00","pubTimestamp":1659888000,"title_zh":"8-K  - Current report","summary_en":"Item 1.01: Entry into a Material Definitive Agreement;\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":"15295441","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465922087230-MRSN","pdf_url":"","pub_time":1659888000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"MRSN","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1442836/000110465922087230/0001104659-22-087230-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EXHIBIT 99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1442836/000110465922087230/tm2222753d1_ex99-1.htm","primary":true,"translateUrl":"","linkName":"tm2222753d1_ex99-1.htm","type":"EX-99.1","id":"NTFILEGvC5LtQmaT8tdKnF","market":"us","size":65015},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1442836/000110465922087230/tm2222753d1_8k.htm","primary":false,"translateUrl":"","linkName":"tm2222753d1_8k.htm","type":"8-K","id":"NTFILE6NpqWX4eMg9TrZM6","market":"us","size":27912}],"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":"2022-08-08 00:00","pubTimestamp":1659888000,"title_zh":"8-K  - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0}],"pageSize":20,"totalPage":11,"pageCount":5,"totalSize":211,"code":"91000000","status":"200"}]}}