Form 4: FormFactor CEO Mike Slessor Executes Stock Sale
Statement of Changes in Beneficial Ownership
CEO Mike Slessor sold 11,890 shares of FormFactor common stock on June 10, 2026, via a pre-arranged Rule 10b5-1 trading plan.
Summary
- CEO Mike Slessor sold a total of 11,890 shares of FormFactor common stock.
- The transactions occurred on June 10, 2026, at weighted average prices ranging from $117.70 to $123.37 per share.
- Following these transactions, the CEO retains beneficial ownership of 435,147 shares.
- The sales were executed automatically under a Rule 10b5-1 trading plan adopted on August 19, 2025.
Sentiment
Score: 5
Explanation: StockSavvy.ai views this as a neutral event, as the sales were executed via a pre-planned 10b5-1 program, which is a routine mechanism for executive financial planning.
Positives
- The sale was conducted under a pre-established Rule 10b5-1 plan, indicating the transactions were scheduled in advance rather than based on current non-public information.
Negatives
- The transaction represents a reduction in the CEO's direct equity stake in the company.
Risks
- Insider selling can sometimes be perceived negatively by the market, potentially impacting short-term investor sentiment.
Future Outlook
No specific forward-looking guidance regarding company operations was provided in this filing.
Industry Context
StockSavvy.ai notes that executive stock sales under 10b5-1 plans are standard corporate practice for liquidity and diversification, and generally do not signal a change in the executive's outlook on the company's long-term prospects.
Comparison to Industry Standards
- The use of Rule 10b5-1 plans is the industry standard for executives to sell shares while avoiding potential insider trading liability.
Stakeholder Impact
- Shareholders should note the reduction in insider holdings, though the systematic nature of the sale mitigates concerns regarding management confidence.
Next Steps
- No future actions or milestones were disclosed in this filing.
Key Dates
| Date | Description |
|---|---|
| 08/19/2025 | Date the Rule 10b5-1 trading plan was adopted. |
| 06/10/2026 | Date of the reported stock sales. |
| 06/11/2026 | Date the Form 4 was signed and filed. |
Keywords
FormFactor, FORM, Insider Trading, CEO, Rule 10b5-1, Stock Sale
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