Through the 90-day period concluding February 19, 2026, Astrana Health's top three insider stakeholders include Chief Administrative Officer Albert Waichow Young (11.38Mn shares), TenPercentOwner Physicians Of California, A Professional Medical Corp Allied (6.13Mn shares), Director Thomas S. Lam (1.57Mn shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Albert Waichow Young | Chief Administrative Officer | 11,376,409 | 06 Dec, 2022 |
| Physicians Of California, A Professional Medical Corp Allied | 6,132,802 | 18 Feb, 2025 | |
| Thomas S. Lam | 1,566,962 | 10 Dec, 2025 | |
| Kenneth T. Sim | Executive Chairman | 1,185,756 | 13 Nov, 2025 |
| Brandon Sim | Ceo And President | 1,045,329 | 03 Feb, 2026 |
| Adrian Vazquez | Chief Medical Officer | 371,004 | 28 Apr, 2021 |
| Dinesh M. Kumar | Chief Medical Officer | 202,032 | 27 Jan, 2026 |
| Chandan Basho | Coo And Cfo | 174,967 | 06 Oct, 2025 |
| Linda Marsh | 92,608 | 05 Nov, 2025 | |
| Matthew Mazdyasni | 34,763 | 12 Nov, 2025 | |
| David Schmidt | 31,494 | 15 Jan, 2026 | |
| John Chiang | 30,848 | 14 Aug, 2025 | |
| Mitchell W Kitayama | 27,846 | 12 Nov, 2025 | |
| Eric Chin | Chief Financial Officer | 20,844 | 04 Apr, 2022 |
| John Vong | Chief Accounting Officer | 17,520 | 03 Dec, 2024 |
| Glenn Sobotka | Chief Accounting Officer | 14,701 | 28 Mar, 2025 |
| Weili Dai, | 13,663 | 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 |
|---|---|---|---|---|---|---|---|---|
| 02 Feb, 2026 | Brandon Sim | Common Stock | A | 21,334 | $23.24 | 1,045,329 | 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 | D | 4,269 | $27.12 | 31,494 | D | F |
| 13 Jan, 2026 | David Schmidt | Common Stock | A | 20,000 | $5.79 | 35,763 | 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 | - | - | 459,122 | D | |||
| 08 Dec, 2025 | Thomas S. Lam | - | - | 433,256 | D | |||
| 08 Dec, 2025 | Thomas S. Lam | Common Stock | D | 25,866 | $22.00 | 433,256 | D | F |
| 10 Nov, 2025 | Kenneth T. Sim | Common Stock | A | 29,502 | $17.78 | 639,407 | D | M |
| 10 Nov, 2025 | Kenneth T. Sim | - | - | 639,407 | D | |||
| 10 Nov, 2025 | Matthew Mazdyasni | Common Stock | A | 20,000 | $18.20 | 34,763 | D | M |
| 07 Nov, 2025 | Mitchell W Kitayama | - | - | 27,846 | D | |||
| 07 Nov, 2025 | Mitchell W Kitayama | Common Stock | A | 12,000 | $18.20 | 27,846 | D | M |
| 03 Nov, 2025 | Linda Marsh | Common Stock | D | 11,033 | $32.99 | 92,608 | D | F |
| 03 Nov, 2025 | Linda Marsh | Common Stock | A | 20,000 | $18.20 | 103,641 | D | M |
| 03 Nov, 2025 | Linda Marsh | - | - | 103,641 | D | |||
| 03 Nov, 2025 | Linda Marsh | - | - | 92,608 | D | |||
| 02 Oct, 2025 | Chandan Basho | - | - | 174,967 | D | |||
| 02 Oct, 2025 | Chandan Basho | Common Stock | D | 1,979 | $27.77 | 174,967 | D | F |