SLESSOR MIKE 4
4 · FORMFACTOR INC · Filed Jan 15, 2026
Insider Transaction Report
Form 4
FORMFACTOR INCFORM
SLESSOR MIKE
DirectorCEO
Transactions
- Sale
Common Stock
[F1][F2]2026-01-15$76.43/sh−6,976$533,176→ 479,019 total - Sale
Common Stock
[F1][F3]2026-01-15$77.24/sh−6,112$472,091→ 472,907 total
Footnotes (3)
- [F1]The reported sale of shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted on August 19, 2025.
- [F2]Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $75.90 through $76.89. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.
- [F3]Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $76.96 through $77.50. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.
Signature
/s/ Stan Finkelstein, Attorney-in-fact for Mike Slessor|2026-01-15