SEC EDGAR filings, ownership reports, and insider transactions for Duoduo (Howard) HUANG.
Recent SEC filings for Duoduo (Howard) HUANG including 4, 144, 3.
| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 Jan 2026 | 14 Jan 2026 | 001-37762 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 29 Dec 2025 | 23 Dec 2025 | 001-37762 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 25 Nov 2025 | 24 Nov 2025 | 001-37762 |
| 144 | Open 144 document | View SEC filing for 144 | 24 Nov 2025 | |||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 25 Sep 2025 | 23 Sep 2025 | 001-37762 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 23 Jun 2025 | 18 Jun 2025 | 001-37762 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 31 Mar 2025 | 27 Mar 2025 | 001-37762 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 Feb 2025 | 10 Feb 2025 | 001-37762 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 11 Feb 2025 | 08 Feb 2025 | 001-37762 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 Jan 2025 | 20 Jan 2025 | 001-37762 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 Dec 2024 | 17 Dec 2024 | 001-37762 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 27 Nov 2024 | 25 Nov 2024 | 001-37762 |
| 144 | Open 144 document | View SEC filing for 144 | 25 Nov 2024 | |||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 Sep 2024 | 17 Sep 2024 | 001-37762 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 Jun 2024 | 18 Jun 2024 | 001-37762 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 28 Mar 2024 | 26 Mar 2024 | 001-37762 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 Feb 2024 | 09 Feb 2024 | 001-37762 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 Feb 2024 | 08 Feb 2024 | 001-37762 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Feb 2024 | 05 Feb 2024 | 001-37762 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 Dec 2023 | 19 Dec 2023 | 001-37762 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 Nov 2023 | 15 Nov 2023 | 001-37762 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Sep 2023 | 18 Sep 2023 | 001-37762 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 Jun 2023 | 20 Jun 2023 | 001-37762 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 30 Mar 2023 | 28 Mar 2023 | 001-37762 |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 06 Mar 2023 | 24 Feb 2023 | 001-37762 |
Duoduo (Howard) HUANG files with the SEC under CIK 0001968156. This page aggregates EDGAR filings and related ownership activity.