Lam Thomas S. 4

4 · Astrana Health, Inc. · Filed Mar 9, 2026

AI-generated summary of this filing

Updated Mar 9, 2026

Astrana Health (ASTH) Director Thomas Lam Sells 9,266 Shares

What Happened

Thomas S. Lam, a director (and CEO/CFO of Allied Physicians of California), surrendered 9,266 shares of Astrana Health stock on March 5, 2026 to satisfy tax withholding obligations. The shares were valued at $25.07 each, totaling $232,299. This transaction is recorded with code F (tax withholding), i.e., shares were disposed to cover taxes rather than sold as an investment decision.

Key Details

Transaction date: March 5, 2026; filing date: March 9, 2026 (timely).
Price: $25.07 per share; total proceeds/withholding value: $232,299.
Transaction code: F — surrender of shares to offset tax withholding for restricted stock that vested on March 5, 2026 (footnote F2).
Shares owned after the transaction: not specified in the provided report.
Beneficial ownership note (F1): these shares are held by Allied Physicians of California, a professional medical corporation of which Lam is an officer, director, and stockholder; Lam disclaims beneficial ownership except to the extent of his pecuniary interest.

Context

This was a routine tax-withholding share surrender (a common cashless method to satisfy tax liabilities when restricted stock vests) and not an open-market sale or purchase signal.
The filing also discloses remaining unvested restricted stock: 51,667 shares vesting in two equal annual installments beginning March 5, 2027, and 26,667 shares vesting upon achievement of performance goals (footnote F3).

Form 4

Period: 2026-03-05

Director

Transactions

Tax Payment
Common Stock
[F2][F3]
2026-03-05$25.07/sh−9,266$232,299→ 423,990 total

Holdings

Common Stock
[F1]
(indirect: By Allied Physicians of California, a Professional Medical Corporation)
6,132,802
Common Stock
(indirect: By Trust)
1,133,706

Footnotes (3)

[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.
[F2]Represents the surrender of shares to offset against tax withholding obligations associated with shares of restricted stock that vested on March 5, 2026.
[F3]Includes the following shares of restricted stock, which will vest as follows (in each case subject to continuous employment with the Issuer): (i) 51,667 shares, which will vest in two equal annual installments beginning on March 5, 2027; and (ii) 26,667 shares, which will vest upon achievement of certain pre-established performance goals.

Signature

/s/ Kathy Diep, as Attorney-in-Fact|2026-03-09

1 file