Joan Lau

Business address
8336 Millman Street, Philadelphia, PA, 19128
Top holdings (ownership)
BDN, OLED, and RMTI
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Joan Lau has filed 22 SEC EDGAR filings since 08 Sep 2021

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing 4 02 Oct 2025 30 Sep 2025 001-12031
4 Open Document Open Filing 4 02 Jul 2025 30 Jun 2025 001-12031
4 Open Document Open Filing 4 23 May 2025 21 May 2025 001-09106
4 Open Document Open Filing OWNERSHIP DOCUMENT 21 May 2025 20 May 2025 000-23661
4 Open Document Open Filing 4 02 Apr 2025 31 Mar 2025 001-12031
4 Open Document Open Filing 4 03 Jan 2025 31 Dec 2024 001-12031
4 Open Document Open Filing 4 02 Oct 2024 30 Sep 2024 001-12031
4 Open Document Open Filing 4 02 Jul 2024 28 Jun 2024 001-12031
4 Open Document Open Filing 4 28 May 2024 23 May 2024 001-09106
4 Open Document Open Filing OWNERSHIP DOCUMENT 23 May 2024 21 May 2024 000-23661
4 Open Document Open Filing 4 02 Apr 2024 29 Mar 2024 001-12031
3 Open Document Open Filing 3 07 Mar 2024 04 Mar 2024 001-12031
4/A Open Document Open Filing OWNERSHIP DOCUMENT 06 Feb 2024 16 Oct 2023 000-23661
3/A Open Document Open Filing OWNERSHIP DOCUMENT 06 Feb 2024 16 Oct 2023 000-23661
4 Open Document Open Filing OWNERSHIP DOCUMENT 18 Oct 2023 16 Oct 2023 000-23661
3 Open Document Open Filing OWNERSHIP DOCUMENT 18 Oct 2023 16 Oct 2023 000-23661
4 Open Document Open Filing FORM 4 SUBMISSION 26 May 2023 25 May 2023 001-09106
3 Open Document Open Filing FORM 3 SUBMISSION 09 Dec 2022 06 Dec 2022 001-09106
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 05 Dec 2022 01 Dec 2022 001-39271
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 27 May 2022 25 May 2022 001-39271
4 Open Document Open Filing PRIMARY DOCUMENT 08 Sep 2021 03 Sep 2021 001-39271
3 Open Document Open Filing PRIMARY DOCUMENT 08 Sep 2021 02 Sep 2021 001-39271