Thomas S. Lam - 06 Oct 2026 Form 4 Insider Report for Astrana Health, Inc. (ASTH)

Reporting relationship: Director
Issuer ticker: ASTH
Reported as of: 06 Oct 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 08 Oct 2026, 19:21:16 UTC
Prior SEC filing: 08 Apr 2026
Source filing: View source filing
Reporting owner signature: /s/ Kathy Diep, as Attorney-in-Fact

Key filing fact

Thomas S. Lam filed Form 4 for Astrana Health, Inc. (ASTH) on 08 Oct 2026.

Key facts

This page summarizes Thomas S. Lam's Form 4 filing for Astrana Health, Inc. (ASTH).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 08 Oct 2026, 19:21.

Change

Previous filing in this sequence was filed on 08 Apr 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001664499 Primary reporting owner

Lam Thomas S.

Relationship: Director
Address: C/O ASTRANA HEALTH, INC., 1668 S. GARFIELD AVENUE, 2ND FLOOR, ALHAMBRA
Signature: /s/ Kathy Diep, as Attorney-in-Fact
Signature date: 08 Oct 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ASTH transaction

Common Stock

Tax liability

Transaction value
Shares: -2,624
Change %: -0.56%
Price: $37.00^*
Shares after: 463,033
Date: 06 Oct 2026
Ownership: Direct
Footnotes: F2, F3

ASTH holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 6,132,802
Date: 06 Oct 2026
Ownership: By Allied Physicians of California, a Professional Medical Corporation
Footnotes: F1

ASTH holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,133,706
Date: 06 Oct 2026
Ownership: By the Thomas and Jeanette Lam 2002 Family Trust

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

These securities are beneficially owned by Allied Physicians of California, a Professional Medical Corporation, of which the Reporting Person is the Chief Executive Officer and Chief Financial Officer and a director and stockholder. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report is not an admission that the Reporting Person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose.

Footnote F2

Represents the surrender of shares to offset against tax withholding obligations associated with certain restricted stock units that vested on October 6, 2026.

Footnote F3

Includes the following shares of restricted stock, which will vest as follows (in each case subject to continuous employment with the Issuer and/or its affiliates): (i) 51,667 shares, which will vest in two equal annual installments beginning on March 5, 2027; and (ii) 13,334 shares, which will vest in two equal annual installments beginning on April 1, 2027. Also includes 36,459 restricted stock units, which will vest in seven equal semi-annual installments beginning on April 6, 2027 (subject to continuous employment with the Issuer and/or its affiliates).