SEC EDGAR filings, ownership reports, and insider transactions for Huang Cheng-Ming.
Recent SEC filings for Huang Cheng-Ming including 3, 4.
| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 18 Mar 2026 | 18 Mar 2026 | 000-30540 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 25 Sep 2020 | 22 Sep 2020 | 000-30540 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 10 Sep 2020 | 04 Sep 2020 | 000-30540 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 20 May 2020 | 15 May 2020 | 000-30540 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 20 Aug 2019 | 15 Aug 2019 | 000-30540 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 24 Jun 2019 | 19 Jun 2019 | 000-30540 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 17 Jun 2019 | 12 Jun 2019 | 000-30540 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 26 Dec 2018 | 19 Dec 2018 | 000-30540 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 18 Sep 2018 | 13 Sep 2018 | 000-30540 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 17 Aug 2018 | 14 Aug 2018 | 000-30540 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 06 Jun 2018 | 04 Jun 2018 | 000-30540 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 21 Dec 2017 | 19 Dec 2017 | 000-30540 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 08 Dec 2017 | 06 Dec 2017 | 000-30540 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 20 Sep 2017 | 18 Sep 2017 | 000-30540 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 23 Aug 2017 | 21 Aug 2017 | 000-30540 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 09 Aug 2017 | 04 Aug 2017 | 000-30540 |
Huang Cheng-Ming files with the SEC under CIK 0001714166. This page aggregates EDGAR filings and related ownership activity.