Form 4: SERA Director Sells Stock for Tax Obligations

SERA PROGNOSTICS Director Mansoor Raza Mirza sold 221 shares of Class A Common Stock at a weighted average price of $3.04 to cover tax withholding obligations.

Summary

• Mansoor Raza Mirza, a Director of SERA PROGNOSTICS, INC. (SERA), reported a transaction involving the company's Class A Common Stock.
• On November 5, 2025, Mr. Mirza sold 221 shares of Class A Common Stock.
• The shares were sold at a weighted average price of $3.04 per share, with individual transactions ranging from $3.03 to $3.05.
• The sale was non-discretionary and executed to cover tax withholding obligations associated with the vesting of restricted stock units (RSUs).
• Following this transaction, Mr. Mirza beneficially owns 58,032 shares of Class A Common Stock directly.

Sentiment

Score: 5

Explanation: The transaction is a routine, non-discretionary 'sell to cover' for tax purposes related to RSU vesting. It is neutral in sentiment as it does not reflect a discretionary investment decision by the director.

Positives

• The transaction indicates the vesting of restricted stock units (RSUs), which can be a positive sign of employee compensation and retention.

Negatives

• The sale of shares, even for tax purposes, reduces the director's direct ownership in the company.

Future Outlook

This Form 4 filing does not contain any forward-looking statements or guidance regarding the company's future performance or strategic direction.

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 insider transaction report is specific to an individual director's equity compensation and tax obligations, and does not provide broader insights into industry trends or competitive landscape for SERA PROGNOSTICS.

Stakeholder Impact

• Shareholders: The sale is a minor, non-discretionary transaction and is unlikely to have a significant impact on the company's stock price or investor sentiment.
• Employees (specifically the reporting person): The transaction reflects the vesting of RSUs, which is a standard component of executive compensation.

Key Dates

Keywords

SERA PROGNOSTICS, SERA, Form 4, insider transaction, stock sale, director, RSU vesting, tax withholding, equity compensation