Thomas S. Lam
CIK 1664499 · President and Co-CEO · last filed 2026-04-08
Thomas S. Lam is a President and Co-CEO who has filed 34 SEC Form 4 insider transactions across 2 companies since 2016. The most recent filing, for ASTH, was dated Apr 8, 2026. Across all open-market trades the lifetime net is +$796.9K, making them a net buyer over the disclosed history. Current disclosed insider exposure totals $254.8M across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$254.83M
2
34
$796.9K
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| ASTH | Director | 6,598,459 | $38.62 | $254.83M | $0 | 8 | 2026-04-08 |
| Astrana Health, Inc. (AMEH) Delisted | President and Co-CEO | 1,489,329 | $40.82 | $60.79M | $796.9K | 26 | 2023-12-18 |
Recent Filings
34 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-04-08 | ASTH | Grant (A) | +41,667 | $0 | EDGAR |
| 2026-03-09 | ASTH | Tax (F) | −9,266 | -$232.3K | EDGAR |
| 2025-12-10 | ASTH | Mixed | +3,636 | -$44.5K | EDGAR |
| 2025-03-07 | ASTH | Tax (F) | −9,235 | -$251.1K | EDGAR |
| 2025-02-18 | ASTH | Other (J) | −673,664 | $0 | EDGAR |
| 2025-01-22 | ASTH | Disp (D) | −900,000 | -$31.65M | EDGAR |
| 2024-11-12 | ASTH | Grant (A) | +40,000 | $0 | EDGAR |
| 2024-09-11 | ASTH | Mixed | +17,000 | $30 | EDGAR |
| 2023-12-18 | Astrana Health, Inc. (AMEH) Delisted | Grant (A) | +90,000 | $0 | EDGAR |
| 2023-11-16 | Astrana Health, Inc. (AMEH) Delisted | Disp (D) | −12,666,244 | -$400.00M | EDGAR |