Form 4: FormFactor CEO Sells Shares Under Pre-Arranged 10b5-1 Plan

FormFactor CEO Mike Slessor reported the sale of 13,088 shares of common stock on January 15, 2026, through a pre-arranged 10b5-1 trading plan.

Summary

• Mike Slessor, CEO and Director of FormFactor Inc. (FORM), reported the sale of common stock.
• A total of 13,088 shares were sold in two separate transactions on January 15, 2026.
• The first transaction involved 6,976 shares sold at a weighted average price of $76.43 per share, with prices ranging from $75.90 to $76.89.
• The second transaction involved 6,112 shares sold at a weighted average price of $77.24 per share, with prices ranging from $76.96 to $77.50.
• These sales were executed automatically pursuant to a Rule 10b5-1 trading plan adopted on August 19, 2025.
• Following these transactions, Mike Slessor beneficially owns 472,907 shares of FormFactor common stock directly.

Sentiment

Score: 5

Explanation: The sentiment is neutral as the reported transactions are routine insider sales executed under a pre-arranged 10b5-1 trading plan, which typically minimizes negative interpretations associated with insider selling.

Positives

• The transaction was executed under a Rule 10b5-1 trading plan, indicating pre-planning and adherence to structured insider trading policies, which is a positive for corporate governance and transparency.

Negatives

• The sale reduces the CEO's direct ownership in the company, which could be interpreted as a slight reduction in direct alignment with shareholder interests, though mitigated by the pre-planned nature of the sale.

Corporate Governance

Stakeholder Impact

• Shareholders might note the reduction in direct ownership by the CEO, but the pre-planned nature of the sale under Rule 10b5-1 generally minimizes negative interpretations regarding management's confidence in the company's future.

Key Dates

Recommendation

A single insider sale executed under a pre-arranged Rule 10b5-1 trading plan is generally considered a routine event and does not typically warrant a change in investment recommendation. These plans are often established for personal financial planning, diversification, or liquidity purposes and do not necessarily reflect a change in management's outlook on the company's prospects. Therefore, a 'hold' recommendation is appropriate as this filing alone does not provide new information to alter the fundamental investment thesis.

Keywords

FORMFACTOR, FORM, Mike Slessor, insider trading, Form 4, stock sale, 10b5-1 plan, CEO, director