Chun-Hsien Tsai SEC EDGAR Filings (CIK 0001859363)

SEC EDGAR filings, ownership reports, and insider transactions for Chun-Hsien Tsai.

Business address
8880 Rio San Diego Drive, Suite 800, San Diego, CA, 92108
Top holdings (ownership)
AIMD
Top holdings (Schedule 13D)
AIMD
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Chun-Hsien Tsai has filed 17 SEC EDGAR filings since 28 Apr 2021

Latest Filings

Recent SEC filings for Chun-Hsien Tsai including SCHEDULE 13D/A, 4, SCHEDULE 13D and more.

Form type Document Filing Description Filing date Reporting date File number(s)
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 28 Nov 2025
4 Open 4 document View SEC filing for 4 26 Nov 2025 25 Nov 2025 001-41461
SCHEDULE 13D Open SCHEDULE 13D document View SEC filing for SCHEDULE 13D 11 Apr 2025
4 Open 4 document View SEC filing for 4 09 Apr 2025 08 Apr 2025 001-41461
4 Open 4 document View SEC filing for 4 12 Mar 2025 10 Mar 2025 001-41461
4 Open 4 document View SEC filing for 4 27 Nov 2024 22 Nov 2024 001-41461
4 Open 4 document View SEC filing for 4 15 Nov 2024 15 Nov 2024 001-41461
4 Open 4 document View SEC filing for 4 17 Sep 2024 15 Sep 2024 001-41461
4 Open 4 document View SEC filing for 4 20 Aug 2024 16 Aug 2024 001-41461
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 20 Feb 2024 16 Feb 2024 001-41461
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 28 Nov 2023 24 Nov 2023 001-41461
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 Nov 2023 15 Nov 2023 001-41461
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Jul 2023 30 Jun 2023 001-41461
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 26 Oct 2022 26 Oct 2022 001-41461
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 28 Jul 2022 28 Jul 2022 000-20791
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 21 Dec 2021 20 Dec 2021 000-20791
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 28 Apr 2021 15 Apr 2021 000-20791

About this filer

Chun-Hsien Tsai files with the SEC under CIK 0001859363. 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.

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