Lam Thomas S.
Insider transactions at 1 company
This page shows all SEC Form 4 filings attributed to Lam Thomas S.. 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 |
|---|---|---|---|---|---|---|
| ASTH | Tax Withholding | 25,866 | $22.00 | $569,052 | Dec 8, 2025 | |
| ASTH | Tax Withholding | 9,235 | $27.19 | $251,100 | Mar 5, 2025 | |
| ASTH | Other | 699,896 | — | — | Feb 15, 2025 | |
| ASTH | Award / Grant | 26,667 | — | — | Nov 8, 2024 | |
| ASTH | Option Exercise | 28,046 | $18.65 | $523,058 | Sep 9, 2024 | |
| ASTH | President and Co-CEO | Award / Grant | 30,000 | — | — | Dec 15, 2023 |
| ASTH | Co-CEO and President | Disposition | 3,166,561 | $31.58 | $99,999,996 | Nov 14, 2023 |
| ASTH | President and Co-CEO | Option Exercise | 51,443 | $10.00 | $514,430 | Dec 5, 2022 |
| ASTH | President and Co-CEO | Other | 984,042 | — | — | Dec 2, 2022 |
| ASTH | President and Co-CEO | Gift | 383,764 | — | — | Sep 27, 2022 |
| ASTH | President and Co-CEO | Award / Grant | 65,242 | — | — | Nov 2, 2021 |
| ASTH | President and Co-CEO | Option Exercise | 31,755 | $10.00 | $317,550 | Mar 30, 2021 |
| ASTH | President and Co-CEO | Option Exercise | 31,755 | $10.00 | $317,550 | Dec 22, 2020 |
| ASTH | President and Co-CEO | Award / Grant | 65,242 | — | — | Dec 10, 2020 |
| ASTH | President and Co-CEO | Purchase | 5,000 | $17.28 | $86,400 | Sep 14, 2020 |
| ASTH | President and Co-CEO | Other | 564,691 | — | — | Sep 10, 2020 |
| ASTH | President and Co-CEO | Purchase | 5,000 | $17.85 | $89,250 | Sep 8, 2020 |
| ASTH | President and Co-CEO | Purchase | 5,000 | $18.23 | $91,150 | Aug 27, 2020 |
| ASTH | President and Co-CEO | Award / Grant | 61,343 | — | — | Dec 30, 2019 |
| ASTH | President and Co-CEO | Other | 58,883 | — | — | Dec 27, 2019 |
| ASTH | President and Co-CEO | Award / Grant | 86,874 | — | — | Dec 8, 2019 |
| ASTH | President and Co-CEO | Purchase | 10,000 | $14.84 | $148,400 | Nov 14, 2019 |
| ASTH | Co-Chief Executive Officer | Award / Grant | 58,883 | — | — | Sep 30, 2019 |
| ASTH | Chief Executive Officer | Award / Grant | 15,015,015 | $300,000,000.00 | $4,504,504,500,000,000 | Sep 11, 2019 |
| ASTH | Chief Executive Officer | Purchase | 4,000 | $15.57 | $62,280 | Aug 14, 2019 |
| ASTH | Chief Executive Officer | Purchase | 6,900 | $14.64 | $101,016 | Jun 11, 2019 |
| ASTH | Co-Chief Executive Officer | Award / Grant | 93,451 | — | — | Dec 8, 2018 |
| ASTH | Co-Chief Executive Officer | Other | 1,563,763 | — | — | Dec 8, 2017 |
| ASTH | Co-Chief Executive Officer | Other | 1,664,054 | — | — | Dec 8, 2017 |
| ASTH | Co-Chief Executive Officer | Other | 1,546,026 | — | — | Dec 8, 2017 |