Form 4: SERA CEO Sells Stock for Tax Obligations

SERA PROGNOSTICS CEO Zhenya Lindgardt sold 4,155 shares of Class A Common Stock at a weighted average price of $3.31 to cover tax withholding obligations related to restricted stock unit vesting.

Summary

• Zhenya Lindgardt, CEO and Director of SERA PROGNOSTICS, INC., reported a sale of Class A Common Stock.
• The transaction occurred on December 10, 2025.
• A total of 4,155 shares were sold at a weighted average price of $3.31 per share, with individual sales ranging from $3.28 to $3.38.
• The sale was executed to cover tax withholding obligations associated with the vesting of restricted stock units (RSUs).
• This was a "sell to cover" transaction, mandated by the Issuer, and does not represent a discretionary sale by the Reporting Person.
• Following the transaction, Lindgardt beneficially owns 763,926 shares of Class A Common Stock.

Sentiment

Score: 5

Explanation: The transaction is a non-discretionary "sell to cover" to satisfy tax withholding obligations related to RSU vesting, which is a routine event for executives and does not reflect a change in management's confidence or the company's performance.

Future Outlook

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

Management Comments

• 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.
• The price reported is a weighted average price. These shares were sold as part of a block trade in multiple transactions at prices ranging from $3.28 to $3.38, inclusive.

Industry Context

This Form 4 filing reports a routine insider transaction (sell to cover) and does not provide information relevant to broader industry trends or competitor analysis. Such transactions are common for executives receiving equity compensation.

Comparison to Industry Standards

• This filing details a standard "sell to cover" transaction, which is a common practice across industries for executives to meet tax obligations arising from the vesting of equity awards like restricted stock units. It does not provide data for direct comparison to specific companies or projects.

Stakeholder Impact

• The impact on stakeholders is minimal. Shareholders might note the executive's reduced direct holdings, but the non-discretionary nature of the sale mitigates concerns about management confidence. Employees, customers, suppliers, and creditors are unlikely to be significantly impacted by this routine tax-related transaction.

Key Dates

Recommendation

This Form 4 reports a non-discretionary "sell to cover" transaction by the CEO to satisfy tax obligations from RSU vesting. Such sales are routine and do not typically signal a change in the executive's confidence in the company or its future prospects. Therefore, this filing alone does not provide a basis for a change in investment recommendation, and a "hold" stance is maintained based on the neutrality of this specific event.

Keywords

SERA PROGNOSTICS, SERA, Zhenya Lindgardt, Insider Trading, Form 4, Stock Sale, CEO, Restricted Stock Units, Tax Withholding, Sell to Cover