chun-hsien tsai

Business address
8880 Rio San Diego Drive, Suite 800, San Diego, CA, 92108
Top holdings (ownership)
AIMD
Get insider transactions for this reporting owner
chun-hsien tsai has filed 17 SEC EDGAR filings since 28 Apr 2021

Latest Filings

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