Astrana Health, Inc. (ASTH) has 14 known insider and institutional holders on record. The largest holder is ALLIED PHYSICIANS OF CALIFORNIA, A PROFESSIONAL MEDICAL Corp with 6,132,802 shares. Other notable holders include Sim Brandon and Sim Kenneth T..
Over the last 12 months, insiders have made 32 transactions in ASTH stock — 6 buys (valued at RSU Award) and 0 sells (valued at RSU Award). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
ASTH Insider Ownership
Top Holder
ALLIED PHYSICIANS OF CALIFORNIA, A PROFESSIONAL MEDICAL Corp
6,132,802 shares
Buys (12 mo)
6
$0.00 value
Sells (12 mo)
0
$0.00 value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Allied Physicians Of California, A Professional Medical Corp |
10 Percent Owner |
6,132,802 |
2025-02-18 |
|
| 2 |
Sim Brandon |
CEO and President |
1,023,219 |
2025-03-07 |
|
| 3 |
Sim Kenneth T. |
Executive Chairman |
546,349 |
2025-02-18 |
|
| 4 |
Lam Thomas S. |
Director |
423,990 |
2026-03-09 |
|
| 5 |
Kumar Dinesh M. |
Chief Medical Officer |
177,655 |
2026-04-03 |
|
| 6 |
Basho Chandan |
COO and CFO |
171,635 |
2026-04-03 |
|
| 7 |
Marsh Linda |
Director |
83,641 |
2025-06-13 |
|
| 8 |
Chiang John |
Director |
23,132 |
2025-06-13 |
|
| 9 |
Vong John |
Chief Accounting Officer |
17,520 |
2024-12-03 |
|
| 10 |
Schmidt David |
Director |
15,763 |
2025-06-13 |
|
| 11 |
Mazdyasni Matthew |
Director |
14,763 |
2025-06-13 |
|
| 12 |
Sobotka Glenn |
Chief Accounting Officer |
14,039 |
2026-03-30 |
|
| 13 |
Dai, Weili |
Director |
13,663 |
2025-06-13 |
|
| 14 |
Kitayama Mitchell W |
Director |
12,000 |
2025-09-15 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-04-02 |
Basho Chandan |
COO and CFO |
Tax Withholding of RSU |
2,092 |
$25.05 |
$52.4K |
| 2026-04-01 |
Kumar Dinesh M. |
Chief Medical Officer |
Tax Withholding of RSU |
57,980 |
$24.51 |
$1.42M |
| 2026-03-26 |
Sobotka Glenn |
Chief Accounting Officer |
Tax Withholding of RSU |
662 |
$24.27 |
$16.07K |
| 2026-03-05 |
Basho Chandan |
COO and CFO |
Tax Withholding of RSU |
1,240 |
$25.07 |
$31.09K |
| 2026-03-05 |
Kumar Dinesh M. |
Chief Medical Officer |
Tax Withholding of RSU |
1,697 |
$25.07 |
$42.54K |
| 2026-03-05 |
Lam Thomas S. |
Director |
Tax Withholding of RSU |
9,266 |
$25.07 |
$232.3K |
| 2026-02-02 |
Sim Brandon |
CEO and President |
Option Exercise (Sell) |
21,334 |
$23.24 |
$495.8K |
| 2026-01-23 |
Kumar Dinesh M. |
Chief Medical Officer |
Tax Withholding of RSU |
10,759 |
$27.16 |
$292.21K |
| 2026-01-13 |
Schmidt David |
Director |
Option Exercise (Sell) |
20,000 |
$5.79 |
$115.8K |
| 2026-01-01 |
Kumar Dinesh M. |
Chief Medical Officer |
Tax Withholding of RSU |
5,102 |
$24.81 |
$126.58K |
| 2025-12-08 |
Lam Thomas S. |
Director |
Option Exercise (Sell) |
29,502 |
$17.78 |
$524.55K |
| 2025-11-10 |
Sim Kenneth T. |
Executive Chairman |
Option Exercise (Sell) |
29,502 |
$17.78 |
$524.55K |
| 2025-11-10 |
Mazdyasni Matthew |
Director |
Option Exercise (Sell) |
20,000 |
$18.20 |
$364K |
| 2025-11-07 |
Kitayama Mitchell W |
Director |
Option Exercise (Sell) |
12,000 |
$18.20 |
$218.4K |
| 2025-11-03 |
Marsh Linda |
Director |
Option Exercise (Sell) |
20,000 |
$18.20 |
$364K |
| 2025-10-02 |
Basho Chandan |
COO and CFO |
Tax Withholding of RSU |
1,979 |
$27.77 |
$54.96K |
| 2025-09-15 |
Kitayama Mitchell W |
Director |
Option Exercise (Sell) |
8,000 |
$18.20 |
$145.6K |
| 2025-09-05 |
Basho Chandan |
COO and CFO |
Tax Withholding of RSU |
1,694 |
$29.70 |
$50.31K |
| 2025-09-05 |
Kumar Dinesh M. |
Chief Medical Officer |
Tax Withholding of RSU |
1,694 |
$29.70 |
$50.31K |
| 2025-09-02 |
Schmidt David |
Director |
Option Exercise (Sell) |
20,000 |
$18.20 |
$364K |
| 2025-08-13 |
Chiang John |
Director |
Option Exercise (Sell) |
20,000 |
$18.20 |
$364K |
| 2025-07-01 |
Kumar Dinesh M. |
Chief Medical Officer |
Tax Withholding of RSU |
6,831 |
$25.06 |
$171.18K |
| 2025-06-11 |
Mazdyasni Matthew |
Director |
RSU Award |
6,449 |
- |
- |
| 2025-06-11 |
Chiang John |
Director |
RSU Award |
6,449 |
- |
- |
| 2025-06-11 |
Marsh Linda |
Director |
RSU Award |
6,449 |
- |
- |
