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Research Frontiers Incorporated

1.78
+0.00310.17%
成交量：2.03萬
成交額：3.74萬
市值：5,999.81萬
市盈率：-57.18
高：1.89
開：1.77
低：1.77
收：1.78
資料載入中...
總覽公司新聞公告
2022/03/09

年度報告

10-K - Annual report [Section 13 and 15(d), not S-K Item 405]
2022/02/24

[修訂]季度報告

10-Q/A [Amend] - Quarterly report [Sections 13 or 15(d)]
2022/02/24

[修訂]季度報告

10-Q/A [Amend] - Quarterly report [Sections 13 or 15(d)]
2021/11/04

季度報告

10-Q - Quarterly report [Sections 13 or 15(d)]
2021/08/05

季度報告

10-Q - Quarterly report [Sections 13 or 15(d)]
2021/06/10

重要事件披露

8-K - Current report
2021/05/10

季度報告

10-Q - Quarterly report [Sections 13 or 15(d)]
2021/03/15

超過5%披露

SC 13G/A [Amend] - Statement of acquisition of beneficial ownership by individuals
2021/03/11

年度報告

10-K - Annual report [Section 13 and 15(d), not S-K Item 405]
2021/02/02

超過5%披露

SC 13G - Statement of acquisition of beneficial ownership by individuals
2021/01/25

超過5%披露

SC 13G/A [Amend] - Statement of acquisition of beneficial ownership by individuals
2021/01/13

重要事件披露

8-K - Current report
2020/12/04

重要事件披露

8-K - Current report
2020/11/05

季度報告

10-Q - Quarterly report [Sections 13 or 15(d)]
2020/08/27

超過5%披露

SC 13G/A [Amend] - Statement of acquisition of beneficial ownership by individuals
2020/08/17

重要事件披露

8-K - Current report
2020/08/06

季度報告

10-Q - Quarterly report [Sections 13 or 15(d)]
2020/08/04

重要事件披露

8-K - Current report
2020/07/01

重要事件披露

8-K - Current report
2020/06/11

重要事件披露

8-K - Current report
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