Form 4: SERA CFO Sells Shares for Tax Obligations

SERA Prognostics Chief Financial Officer Austin Aerts sold 915 shares of Class A Common Stock to cover tax withholding obligations.

Summary

• Austin Aerts, Chief Financial Officer of SERA Prognostics, Inc. (SERA), reported a transaction on September 11, 2025.
• The transaction involved the sale of 915 shares of Class A Common Stock.
• The shares were sold at a weighted average price of $3.13 per share, with prices ranging from $3.05 to $3.24.
• This sale was a 'sell to cover' transaction, mandated by the issuer to satisfy tax withholding obligations related to the vesting of restricted stock units (RSUs).
• The transaction was not a discretionary sale by Mr. Aerts.
• Following this transaction, Mr. Aerts beneficially owns 284,670 shares of Class A Common Stock.

Sentiment

Score: 5

Explanation: The transaction is a routine, non-discretionary 'sell to cover' for tax obligations related to RSU vesting. It does not indicate a change in management's sentiment towards the company or its prospects, thus it is neutral.

Future Outlook

The filing does not contain any forward-looking statements or guidance regarding the company's future outlook.

Management Comments

• The sale represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units ('RSUs').
• The sale is mandated by the Issuer's election to require the satisfaction of tax withholding obligations to be funded by 'sell to cover' transactions and does not represent a discretionary transaction by the Reporting Person.

Industry Context

This Form 4 filing details a routine insider transaction for tax purposes, which is common across industries when restricted stock units vest for executives. It does not provide information on broader industry trends or competitive positioning.

Stakeholder Impact

• Shareholders: Minimal impact, as this is a routine, non-discretionary transaction for tax purposes and does not signal a change in the insider's view of the company's value.

Key Dates

Recommendation

The reported transaction is a routine 'sell to cover' for tax obligations related to RSU vesting, not a discretionary sale. It does not provide new information to alter the investment thesis for SERA Prognostics, thus a 'hold' recommendation is maintained.

Keywords

SERA Prognostics, SERA, Austin Aerts, CFO, Form 4, Insider Transaction, Stock Sale, RSU Vesting, Tax Withholding