Chen Tim Chao-Ming
Insider transactions at 1 company
This page shows all SEC Form 4 filings attributed to Chen Tim Chao-Ming. Form 4 disclosures are required whenever a corporate insider — director, officer, or 10%+ shareholder — buys, sells, or receives company stock. Each row represents a separate reported transaction. All data is sourced directly from the SEC EDGAR public database.
| Company | Title | Type | Shares | Price | Value | Date |
|---|---|---|---|---|---|---|
| NRDS | Chief Executive Officer | Tax Withholding | 15,309 | $15.41 | $235,912 | Dec 2, 2025 |
| NRDS | Chief Executive Officer | Tax Withholding | 15,310 | $10.26 | $157,081 | Sep 2, 2025 |
| NRDS | Chief Executive Officer | Tax Withholding | 15,309 | $10.52 | $161,051 | Jun 2, 2025 |
| NRDS | Chief Executive Officer | Tax Withholding | 11,077 | $10.09 | $111,767 | Mar 3, 2025 |
| NRDS | Chief Executive Officer | Tax Withholding | 15,310 | $14.04 | $214,952 | Dec 2, 2024 |
| NRDS | Chief Executive Officer | Tax Withholding | 14,485 | $12.60 | $182,511 | Sep 3, 2024 |
| NRDS | Chief Executive Officer | Tax Withholding | 10,779 | $13.89 | $149,720 | Jun 3, 2024 |
| NRDS | Chief Executive Officer | Tax Withholding | 10,930 | $16.91 | $184,826 | Mar 1, 2024 |
| NRDS | Chief Executive Officer | Tax Withholding | 13,377 | $12.08 | $161,594 | Dec 5, 2023 |
| NRDS | Chief Executive Officer | Purchase | 6,650 | $8.21 | $54,597 | Sep 11, 2023 |
| NRDS | Chief Executive Officer | Tax Withholding | 10,446 | $9.14 | $95,476 | Sep 1, 2023 |
| NRDS | Chief Executive Officer | Tax Withholding | 10,446 | $9.58 | $100,073 | Jun 1, 2023 |
| NRDS | Chief Executive Officer | Purchase | 30,838 | $8.38 | $258,422 | May 9, 2023 |
| NRDS | Chief Executive Officer | Award / Grant | 234,785 | — | — | Mar 15, 2023 |
| NRDS | Chief Executive Officer | Tax Withholding | 5,322 | $20.42 | $108,675 | Mar 1, 2023 |
| NRDS | Chief Executive Officer | Purchase | 26,888 | $9.29 | $249,790 | Dec 16, 2022 |
| NRDS | Chief Executive Officer | Tax Withholding | 5,042 | $13.17 | $66,403 | Dec 1, 2022 |
| NRDS | Chief Executive Officer | Tax Withholding | 5,177 | $10.28 | $53,220 | Sep 1, 2022 |
| NRDS | Chief Executive Officer | Purchase | 30,000 | $9.60 | $288,000 | Aug 11, 2022 |
| NRDS | Chief Executive Officer | Award / Grant | 239,507 | — | — | Jul 1, 2022 |
| NRDS | Chief Executive Officer | Purchase | 10,000 | $10.60 | $106,000 | Mar 16, 2022 |
| NRDS | Chief Executive Officer | Purchase | 10,000 | $9.78 | $97,800 | Mar 15, 2022 |
| NRDS | Chief Executive Officer | Purchase | 25,100 | $10.19 | $255,769 | Mar 9, 2022 |
| NRDS | Chief Executive Officer | Purchase | 61,106 | $9.80 | $598,839 | Mar 7, 2022 |