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拉姆研究

71.03
+0.13000.18%
成交量：267.85万
成交额：1.91亿
市值：911.28亿
市盈率：19.79
高：71.72
开：70.33
低：70.30
收：70.90
数据加载中...
总览公司新闻公告
2021/02/08

超过5%披露

SC 13G/A [Amend] - Statement of acquisition of beneficial ownership by individuals
2021/02/02

季度报告

10-Q - Quarterly report [Sections 13 or 15(d)]
2021/01/29

超过5%披露

SC 13G/A [Amend] - Statement of acquisition of beneficial ownership by individuals
2021/01/27

重要事件披露

8-K - Current report
2021/01/15

SEC问询函

CORRESP [Cover] - Correspondence
2020/12/28

重要事件披露

8-K - Current report
2020/12/11

重要事件披露

8-K - Current report
2020/11/05

重要事件披露

8-K - Current report
2020/10/27

季度报告

10-Q - Quarterly report [Sections 13 or 15(d)]
2020/10/21

重要事件披露

8-K - Current report
2020/10/02

重要事件披露

8-K - Current report
2020/09/14

重要事件披露

8-K - Current report
2020/09/08

重要事件披露

8-K - Current report
2020/08/18

年度报告

10-K - Annual report [Section 13 and 15(d), not S-K Item 405]
2020/07/29

重要事件披露

8-K - Current report
2020/06/19

重要事件披露

8-K - Current report
2020/06/17

员工持股计划

11-K - Annual report of employee stock purchase, savings and similar plans
2020/05/18

重要事件披露

8-K - Current report
2020/05/05

重要事件披露

Current report, items 1.01, 2.03, 8.01, and 9.01
2020/04/30

[补充]招股说明书

Filing under Securities Act Rules 163/433 of free writing prospectuses
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