Form 4: Sera Prognostics CDO Sells Shares Under 10b5-1 Plan

Sera Prognostics' Chief Data Officer, Paul Kearney, executed a pre-planned sale of 1,986 Class A Common Stock shares at an average price of $3.51 after exercising options.

Summary

• Paul Kearney, Chief Data Officer of Sera Prognostics, Inc., engaged in transactions involving the company's Class A Common Stock.
• On November 26, 2025, Kearney exercised options to acquire 1,986 shares of Class A Common Stock at an exercise price of $1.62 per share.
• Concurrently, on November 26, 2025, Kearney sold 1,986 shares of Class A Common Stock at a weighted average price of $3.51 per share, with individual sales ranging from $3.49 to $3.55.
• These transactions were conducted under a Rule 10b5-1 trading plan adopted on May 21, 2025.
• Following these transactions, Kearney directly beneficially owns 168,596 shares of Class A Common Stock and 32,203 stock options.

Sentiment

Score: 5

Explanation: The sentiment is neutral. While an insider sale can sometimes be viewed negatively, the fact that it was executed under a pre-arranged 10b5-1 plan mitigates concerns about opportunistic selling. It represents a routine management of equity compensation.

Positives

• The exercise of options indicates the officer realized value from their equity compensation.
• The sale price of $3.51 is higher than the exercise price of $1.62, indicating a profitable transaction for the officer.

Negatives

• An officer selling shares, even under a pre-arranged plan, can sometimes be perceived negatively by the market as it reduces their direct equity stake.

Future Outlook

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

Industry Context

This Form 4 filing details an individual insider transaction and does not provide broader industry context or trends. Such transactions are common for executives managing their equity compensation.

Stakeholder Impact

• Shareholders: The sale by a Chief Data Officer, even under a 10b5-1 plan, slightly reduces insider ownership, which could be interpreted in various ways by investors, though the impact is likely minimal given the routine nature of such plans.

Key Dates

Recommendation

The filing details a routine insider transaction (exercise and sale) executed under a pre-arranged 10b5-1 plan. This type of transaction is generally not indicative of new material information about the company's prospects and therefore does not warrant a change in investment recommendation based solely on this filing. Investors should consider broader company fundamentals and market conditions.

Keywords

Sera Prognostics, SERA, Paul Kearney, Chief Data Officer, Form 4, Insider Trading, Stock Option Exercise, Share Sale, 10b5-1 Plan, Equity Compensation