SEC EDGAR filings, ownership reports, and insider transactions for Chih T. Cheung.
Recent SEC filings for Chih T. Cheung including 4, 4/A, 3 and more.
| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open 4 document | View SEC filing for 4 | OWNERSHIP DOCUMENT | 03 Jun 2022 | 02 Jun 2022 | 001-39541 |
| 4 | Open 4 document | View SEC filing for 4 | OWNERSHIP DOCUMENT | 21 Sep 2021 | 17 Sep 2021 | 001-39541 |
| 4/A | Open 4/A document | View SEC filing for 4/A | OWNERSHIP DOCUMENT | 16 Sep 2021 | 13 Jul 2021 | 001-39541 |
| 4 | Open 4 document | View SEC filing for 4 | OWNERSHIP DOCUMENT | 15 Jul 2021 | 13 Jul 2021 | 001-39541 |
| 3 | Open 3 document | View SEC filing for 3 | OWNERSHIP DOCUMENT | 15 Jul 2021 | 13 Jul 2021 | 001-39541 |
| 5 | Open 5 document | View SEC filing for 5 | OWNERSHIP DOCUMENT | 01 Sep 2016 | 31 Aug 2016 | 811-04893 |
| 3 | Open 3 document | View SEC filing for 3 | OWNERSHIP DOCUMENT | 27 Apr 2015 | 21 Apr 2015 | 811-04893 |
Chih T. Cheung files with the SEC under CIK 0001308122. This page aggregates EDGAR filings and related ownership activity.