SEC EDGAR filings, ownership reports, and insider transactions for Tina M. Chang.
Recent SEC filings for Tina M. Chang including 4, 3, 4/A.
| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open 4 document | View SEC filing for 4 | 4 | 17 Oct 2025 | 15 Oct 2025 | 000-25150 |
| 4 | Open 4 document | View SEC filing for 4 | 27 Aug 2025 | 25 Aug 2025 | 000-09068 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 29 Oct 2024 | 25 Oct 2024 | 000-25150 |
| 4 | Open 4 document | View SEC filing for 4 | 27 Aug 2024 | 26 Aug 2024 | 000-09068 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 05 Mar 2024 | 01 Mar 2024 | 000-25150 |
| 4 | Open 4 document | View SEC filing for 4 | 29 Aug 2023 | 25 Aug 2023 | 000-09068 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 25 Aug 2023 | 23 Aug 2023 | 000-25150 |
| 4 | Open 4 document | View SEC filing for 4 | 20 Jun 2023 | 19 Jun 2023 | 000-09068 | |
| 4 | Open 4 document | View SEC filing for 4 | 26 Aug 2022 | 25 Aug 2022 | 000-09068 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 24 Aug 2022 | 22 Aug 2022 | 000-25150 |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 03 Feb 2022 | 01 Feb 2022 | 000-25150 |
| 4/A | Open 4/A document | View SEC filing for 4/A | 12 Jan 2022 | 25 Aug 2021 | 000-09068 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 26 Aug 2021 | 25 Aug 2021 | 000-09068 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Apr 2021 | 31 Mar 2021 | 000-09068 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 26 Aug 2020 | 25 Aug 2020 | 000-09068 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 Aug 2019 | 14 Aug 2019 | 000-09068 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Dec 2018 | 04 Dec 2018 | 000-09068 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 30 Nov 2018 | 29 Nov 2018 | 000-09068 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 28 Aug 2018 | 28 Aug 2018 | 000-09068 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 27 Aug 2018 | 26 Aug 2014 | 000-09068 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 27 Aug 2018 | 23 Aug 2018 | 000-09068 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 May 2018 | 09 May 2018 | 000-09068 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Sep 2017 | 12 Sep 2017 | 000-09068 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 29 Aug 2017 | 25 Aug 2017 | 000-09068 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 29 Aug 2016 | 25 Aug 2016 | 000-09068 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Jun 2016 | 06 Jun 2016 | 000-09068 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 28 Mar 2016 | 15 Mar 2016 | 000-09068 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 27 Aug 2015 | 25 Aug 2015 | 000-09068 |
| 4 | Open 4 document | View SEC filing for 4 | 27 Aug 2014 | 26 Aug 2014 | 000-09068 | |
| 4 | Open 4 document | View SEC filing for 4 | 02 Dec 2013 | 01 Dec 2013 | 000-09068 | |
| 4 | Open 4 document | View SEC filing for 4 | 03 Dec 2012 | 01 Dec 2012 | 000-09068 | |
| 4 | Open 4 document | View SEC filing for 4 | 02 Dec 2011 | 01 Dec 2011 | 000-09068 | |
| 4 | Open 4 document | View SEC filing for 4 | 01 Dec 2010 | 01 Dec 2010 | 000-09068 |
Tina M. Chang files with the SEC under CIK 0001389308. This page aggregates EDGAR filings and related ownership activity.