Form 4: SERA Director Sells Shares for Tax Obligations

SERA PROGNOSTICS Director Mansoor Raza Mirza sold 292 shares of Class A Common Stock at a weighted average price of $3.05 to cover tax withholding obligations.

Summary

• Director Mansoor Raza Mirza of SERA PROGNOSTICS, INC. sold 292 shares of Class A Common Stock.
• The transaction occurred on December 5, 2025.
• The shares were sold at a weighted average price of $3.05 per share, with individual transaction prices ranging from $3.01 to $3.08.
• This sale was a non-discretionary 'sell to cover' transaction, mandated by the issuer to satisfy tax withholding obligations related to the vesting of restricted stock units (RSUs).
• Following this transaction, the reporting person directly beneficially owns 57,740 shares of Class A Common Stock.

Sentiment

Score: 5

Explanation: The transaction is a routine 'sell to cover' for tax obligations related to RSU vesting, not indicative of discretionary insider selling or buying, thus it is neutral.

Management Comments

• 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.

Key Dates

Recommendation

The reported transaction is a non-discretionary 'sell to cover' sale by a director to satisfy tax withholding obligations upon RSU vesting. This is a common and expected event and does not reflect a change in the director's investment conviction or the company's fundamentals, thus it does not warrant a change in investment recommendation.

Keywords

SERA PROGNOSTICS, SERA, Mansoor Raza Mirza, Form 4, insider transaction, stock sale, director, restricted stock units, RSU, tax withholding