SEC EDGAR filings, ownership reports, and insider transactions for YUNG H. CHYUNG.
Recent SEC filings for YUNG H. CHYUNG including 4, 3.
| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open 4 document | View SEC filing for 4 | 19 Feb 2025 | 18 Feb 2025 | 001-39264 | |
| 4 | Open 4 document | View SEC filing for 4 | 12 Nov 2024 | 08 Nov 2024 | 001-39264 | |
| 3 | Open 3 document | View SEC filing for 3 | 08 Nov 2024 | 01 Nov 2024 | 001-39264 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 23 Oct 2023 | 19 Oct 2023 | 001-40384 |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 SUBMISSION | 23 Oct 2023 | 19 Oct 2023 | 001-40384 |
| 4 | Open 4 document | View SEC filing for 4 | OWNERSHIP DOCUMENT | 15 Feb 2022 | 14 Feb 2022 | 001-38501 |
| 4 | Open 4 document | View SEC filing for 4 | OWNERSHIP DOCUMENT | 19 Jan 2022 | 15 Jan 2022 | 001-38501 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 - | 03 Feb 2021 | 01 Feb 2021 | 001-38501 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 - | 10 Feb 2020 | 06 Feb 2020 | 001-38501 |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 04 Feb 2019 | 31 Jan 2019 | 001-38501 |
| 3 | Open 3 document | View SEC filing for 3 | 3 | 23 May 2018 | 23 May 2018 | 001-38501 |
YUNG H. CHYUNG files with the SEC under CIK 0001740377. This page aggregates EDGAR filings and related ownership activity.