Joan Lau SEC EDGAR Filings (CIK 0001881621)

SEC EDGAR filings, ownership reports, and insider transactions for Joan Lau.

Business address
8336 Millman Street, Philadelphia, PA, 19128
Top holdings (ownership)
BDN, OLED, and RMTI
⭐ Add to watchlist ⭐
Get insider transactions for this reporting owner
Joan Lau has filed 23 SEC EDGAR filings since 08 Sep 2021

Latest Filings

Recent SEC filings for Joan Lau including 4, 3, 4/A and more.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 4 05 Jan 2026 31 Dec 2025 001-12031
4 Open 4 document View SEC filing for 4 4 02 Oct 2025 30 Sep 2025 001-12031
4 Open 4 document View SEC filing for 4 4 02 Jul 2025 30 Jun 2025 001-12031
4 Open 4 document View SEC filing for 4 4 23 May 2025 21 May 2025 001-09106
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 21 May 2025 20 May 2025 000-23661
4 Open 4 document View SEC filing for 4 4 02 Apr 2025 31 Mar 2025 001-12031
4 Open 4 document View SEC filing for 4 4 03 Jan 2025 31 Dec 2024 001-12031
4 Open 4 document View SEC filing for 4 4 02 Oct 2024 30 Sep 2024 001-12031
4 Open 4 document View SEC filing for 4 4 02 Jul 2024 28 Jun 2024 001-12031
4 Open 4 document View SEC filing for 4 4 28 May 2024 23 May 2024 001-09106
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 23 May 2024 21 May 2024 000-23661
4 Open 4 document View SEC filing for 4 4 02 Apr 2024 29 Mar 2024 001-12031
3 Open 3 document View SEC filing for 3 3 07 Mar 2024 04 Mar 2024 001-12031
4/A Open 4/A document View SEC filing for 4/A OWNERSHIP DOCUMENT 06 Feb 2024 16 Oct 2023 000-23661
3/A Open 3/A document View SEC filing for 3/A OWNERSHIP DOCUMENT 06 Feb 2024 16 Oct 2023 000-23661
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 18 Oct 2023 16 Oct 2023 000-23661
3 Open 3 document View SEC filing for 3 OWNERSHIP DOCUMENT 18 Oct 2023 16 Oct 2023 000-23661
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 26 May 2023 25 May 2023 001-09106
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 09 Dec 2022 06 Dec 2022 001-09106
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 05 Dec 2022 01 Dec 2022 001-39271
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 27 May 2022 25 May 2022 001-39271
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 08 Sep 2021 03 Sep 2021 001-39271
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 08 Sep 2021 02 Sep 2021 001-39271

About this filer

Joan Lau files with the SEC under CIK 0001881621. This page aggregates EDGAR filings and related ownership activity.

See reporting owner transactions.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.

Related pages