Astrana Health's three largest insider shareholders as of March 23, 2026 are Albert Waichow Young (Chief Administrative Officer, 11.38Mn shares), Physicians Of California, A Professional Medical Corp Allied (TenPercentOwner, 6.13Mn shares), Thomas S. Lam (Director, 1.13Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Albert Waichow Young | Chief Administrative Officer | 1,184,749 | 10,191,660 | 06 Dec, 2022 |
| Physicians Of California, A Professional Medical Corp Allied | 6,132,802 | 0 | 18 Feb, 2025 | |
| Thomas S. Lam | 0 | 1,133,706 | 18 Feb, 2025 | |
| Brandon Sim | Ceo And President | 1,045,329 | 0 | 03 Feb, 2026 |
| Kenneth T. Sim | Executive Chairman | 639,407 | 0 | 13 Nov, 2025 |
| Kenneth T. Sim | Executive Chairman | 0 | 546,349 | 18 Feb, 2025 |
| Thomas S. Lam | 423,990 | 0 | 09 Mar, 2026 | |
| Adrian Vazquez | Chief Medical Officer | 371,004 | 0 | 28 Apr, 2021 |
| Dinesh M. Kumar | Chief Medical Officer | 200,335 | 0 | 09 Mar, 2026 |
| Chandan Basho | Coo And Cfo | 173,727 | 0 | 09 Mar, 2026 |
| Linda Marsh | 92,608 | 0 | 05 Nov, 2025 | |
| Matthew Mazdyasni | 34,763 | 0 | 12 Nov, 2025 | |
| David Schmidt | 31,494 | 0 | 15 Jan, 2026 | |
| John Chiang | 30,848 | 0 | 14 Aug, 2025 | |
| Mitchell W Kitayama | 27,846 | 0 | 12 Nov, 2025 | |
| Eric Chin | Chief Financial Officer | 20,844 | 0 | 04 Apr, 2022 |
| John Vong | Chief Accounting Officer | 17,520 | 0 | 03 Dec, 2024 |
| Glenn Sobotka | Chief Accounting Officer | 14,701 | 0 | 28 Mar, 2025 |
| Weili Dai, | 13,663 | 0 | 13 Jun, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 05 Mar, 2026 | Dinesh M. Kumar | Common Stock | D | 1,697 | $25.07 | 200,335 | D | F |
| 05 Mar, 2026 | Thomas S. Lam | Common Stock | D | 9,266 | $25.07 | 423,990 | D | F |
| 05 Mar, 2026 | Chandan Basho | Common Stock | D | 1,240 | $25.07 | 173,727 | D | F |
| 02 Feb, 2026 | Brandon Sim | Common Stock | A | 21,334 | $23.24 | 1,045,329 | D | M |
| 02 Feb, 2026 | Brandon Sim | Stock Option (right to buy) | D | 21,334 | $0.00 | 0 | D | M |
| 23 Jan, 2026 | Dinesh M. Kumar | Common Stock | D | 10,759 | $27.16 | 202,032 | D | F |
| 13 Jan, 2026 | David Schmidt | Common Stock | A | 20,000 | $5.79 | 35,763 | D | M |
| 13 Jan, 2026 | David Schmidt | Common Stock | D | 4,269 | $27.12 | 31,494 | D | F |
| 13 Jan, 2026 | David Schmidt | Stock Option (right to Buy) | D | 20,000 | $0.00 | 0 | D | M |
| 01 Jan, 2026 | Dinesh M. Kumar | Common Stock | D | 5,102 | $24.81 | 212,791 | D | F |
| 08 Dec, 2025 | Thomas S. Lam | Common Stock | A | 29,502 | $17.78 | 459,122 | D | M |
| 08 Dec, 2025 | Thomas S. Lam | Common Stock | D | 25,866 | $22.00 | 433,256 | D | F |
| 08 Dec, 2025 | Thomas S. Lam | Stock Option (right to buy) | D | 29,502 | $0.00 | 0 | D | M |
| 10 Nov, 2025 | Kenneth T. Sim | Common Stock | A | 29,502 | $17.78 | 639,407 | D | M |
| 10 Nov, 2025 | Kenneth T. Sim | Stock Option (right to buy) | D | 29,502 | $0.00 | 0 | D | M |
| 10 Nov, 2025 | Matthew Mazdyasni | Common Stock | A | 20,000 | $18.20 | 34,763 | D | M |
| 07 Nov, 2025 | Mitchell W Kitayama | Common Stock | A | 12,000 | $18.20 | 27,846 | D | M |
| 10 Nov, 2025 | Matthew Mazdyasni | Stock Option (right to Buy) | D | 20,000 | $0.00 | 0 | D | M |
| 07 Nov, 2025 | Mitchell W Kitayama | Stock Option (right to buy) | D | 12,000 | $0.00 | 0 | D | M |
| 03 Nov, 2025 | Linda Marsh | Common Stock | A | 20,000 | $18.20 | 103,641 | D | M |