4//SEC Filing
SLESSOR MIKE 4
Accession 0001628280-26-002231
CIK 0001039399other
Filed
Jan 14, 7:00 PM ET
Accepted
Jan 15, 5:39 PM ET
Size
6.8 KB
Accession
0001628280-26-002231
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
Documents
Issuer
FORMFACTOR INC
CIK 0001039399
Entity typeother
Related Parties
1- filerCIK 0001590177
Filing Metadata
- Form type
- 4
- Filed
- Jan 14, 7:00 PM ET
- Accepted
- Jan 15, 5:39 PM ET
- Size
- 6.8 KB