Astrana Health (ASTH) CEO Brandon Sim logs tax-withholding share disposition and updated holdings
Filing Impact
Filing Sentiment
Form Type
4
Rhea-AI Filing Summary
Astrana Health, Inc. CEO and President Brandon Sim reported routine equity activity related to restricted stock vesting. He surrendered 1,093 shares of Common Stock at $44.51 per share to cover tax withholding obligations tied to vested restricted stock, a non-market, F-code tax-withholding disposition.
After this event, he directly holds 1,245,292 Common Stock shares, which include 34,207 unvested restricted shares and multiple tranches of restricted stock units scheduled to vest in semi-annual installments beginning in late 2026, plus 1,420 shares acquired under the Employee Stock Purchase Plan. Indirectly, trusts associated with Sim hold 392,816 and 258,824 shares, for which he disclaims beneficial ownership except for any pecuniary interest.
Positive
- None.
Negative
- None.
Insider Trade Summary
3 transactions reported
Mixed
3 txns
Insider
Sim Brandon
Role
CEO and President
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Tax Withholding | Common Stock | 1,093 | $44.51 | $49K |
| holding | Common Stock | -- | -- | -- |
| holding | Common Stock | -- | -- | -- |
Holdings After Transaction:
Common Stock — 1,245,292 shares (Direct, null);
Common Stock — 258,824 shares (Indirect, By Sim Family Irrevocable Trust 2021)
Footnotes (1)
- These securities are held by the Sim Family Irrevocable Trust 2021. 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. These securities are held by the Brandon Sim 2020 Irrevocable Trust. 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. Represents the surrender of shares to offset against tax withholding obligations associated with the vesting of certain shares of restricted stock. Includes 34,207 shares of unvested restricted stock, which will vest in two equal semi-annual installments, beginning September 30, 2026, subject to continuous employment with the Issuer. Also includes the following restricted stock units, which will vest as follows (in each case subject to continuous employment with the Issuer): (i) 60,347 restricted stock units, which will vest in four equal semi-annual installments beginning on October 2, 2026; (ii) 109,232 restricted stock units, which will vest in six equal semi-annual installments beginning on September 5, 2026; and (iii) 201,056 restricted stock units, which will vest in eight equal semi-annual installments beginning on October 6, 2026. Includes 1,420 shares acquired under the Issuer's Employee Stock Purchase Plan.
Key Figures
Tax-withholding shares: 1,093 shares
Tax-withholding price: $44.51/share
Direct holdings after transaction: 1,245,292 shares
+7 more
10 metrics
Tax-withholding shares
1,093 shares
Surrendered to cover tax on restricted stock vesting at $44.51
Tax-withholding price
$44.51/share
Value used for 1,093-share tax-withholding disposition
Direct holdings after transaction
1,245,292 shares
Common Stock directly held by Brandon Sim following Form 4 event
Unvested restricted stock
34,207 shares
Unvested restricted stock included in direct holdings, vesting from 2026
RSUs tranche 1
60,347 units
Restricted stock units vesting in four semi-annual installments from Oct 2, 2026
RSUs tranche 2
109,232 units
Restricted stock units vesting in six semi-annual installments from Sep 5, 2026
RSUs tranche 3
201,056 units
Restricted stock units vesting in eight semi-annual installments from Oct 6, 2026
ESPP shares
1,420 shares
Shares acquired under Astrana Health’s Employee Stock Purchase Plan
Trust holdings 2020 trust
392,816 shares
Common Stock held by Brandon Sim 2020 Irrevocable Trust
Trust holdings 2021 trust
258,824 shares
Common Stock held by Sim Family Irrevocable Trust 2021
Key Terms
tax-withholding disposition, restricted stock, restricted stock units, Employee Stock Purchase Plan, +2 more
6 terms
tax-withholding disposition financial
"Represents the surrender of shares to offset against tax withholding obligations"
A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.
restricted stock financial
"vesting of certain shares of restricted stock"
Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.
restricted stock units financial
"Also includes the following restricted stock units, which will vest as follows"
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
Employee Stock Purchase Plan financial
"Includes 1,420 shares acquired under the Issuer's Employee Stock Purchase Plan"
An employee stock purchase plan is a company program that lets workers buy shares through small payroll deductions, often at a discount to the market price and after a set offering period. Think of it like a workplace savings plan that turns into ownership: it encourages employees to share in the company’s success and can create predictable buying or selling of stock that investors watch because it affects supply, demand and employee incentives.
pecuniary interest financial
"disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein"
irrevocable trust financial
"These securities are held by the Brandon Sim 2020 Irrevocable Trust"
An irrevocable trust is a legal arrangement where an owner transfers assets into a separate entity managed by a trustee and gives up the power to modify or reclaim those assets. For investors it matters because putting stock or other holdings into such a trust can change who controls and benefits from the assets, affect taxes and creditor protection, and influence how easy it is to sell or value those holdings—like placing valuables in a locked safe overseen by someone else.
FAQ
What did Astrana Health (ASTH) CEO Brandon Sim report in this Form 4?
Brandon Sim reported a tax-related share disposition, surrendering 1,093 Astrana Health shares to cover withholding on vested restricted stock. This was coded as an F transaction, meaning it was not an open-market sale but a mechanism to satisfy tax obligations.
Was the Astrana Health (ASTH) Form 4 transaction an open-market sale by the CEO?
No, the Form 4 shows a tax-withholding disposition of 1,093 shares, not an open-market sale. Shares were surrendered to offset tax obligations from restricted stock vesting, a common administrative step when equity awards vest and create taxable income.
What future vesting of restricted stock and RSUs does Brandon Sim have at Astrana Health (ASTH)?
His holdings include 34,207 unvested restricted shares and restricted stock units of 60,347, 109,232, and 201,056. These RSUs are scheduled to vest in semi-annual installments starting between September and October 2026, contingent on continued employment with Astrana Health.