Form 4: SERA Director Sells Shares for Tax Obligations

SERA PROGNOSTICS Director Mansoor Raza Mirza sold 227 shares of Class A Common Stock to cover tax withholding obligations related to RSU vesting.

Summary

• Mansoor Raza Mirza, a Director of SERA PROGNOSTICS, INC. (SERA), reported a transaction involving the company's Class A Common Stock.
• On October 6, 2025, Mr. Mirza disposed of 227 shares of Class A Common Stock.
• The shares were sold at a weighted average price of $3.16 per share, with individual transaction prices ranging from $3.15 to $3.20.
• The sale was executed to satisfy tax withholding obligations incurred from the vesting of restricted stock units (RSUs).
• This transaction was mandated by the Issuer's policy requiring 'sell to cover' for tax obligations and was not a discretionary sale by the reporting person.
• Following this transaction, Mr. Mirza beneficially owns 58,253 shares of Class A Common Stock directly.

Sentiment

Score: 5

Explanation: The sentiment is neutral as the transaction is a routine, non-discretionary sale to cover tax obligations related to RSU vesting, rather than a discretionary sale indicating a change in management's outlook on the company.

Future Outlook

NA

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 filing is a routine insider transaction report (Form 4) and does not provide information relevant to broader industry trends or competitive landscape.

Stakeholder Impact

• Shareholders: Minimal direct impact as this is a small, non-discretionary sale for tax purposes, not indicative of a change in insider sentiment.

Key Dates

Recommendation

This Form 4 filing details a non-discretionary 'sell to cover' transaction by a director to satisfy tax obligations from RSU vesting. Such routine transactions do not typically reflect a change in the insider's view of the company's prospects or fundamentals. Therefore, it does not provide new information that would warrant a change in an existing investment thesis, leading to a 'hold' recommendation based solely on this filing.

Keywords

SERA PROGNOSTICS, SERA, Insider Trading, Form 4, Director, Stock Sale, Tax Withholding, RSU Vesting, Equity Compensation