InsiderTrades

Form 4 for FORM FORMFACTOR INC

Accepted 2025-12-17 00:00:00 ET · period of report 2025-12-17 · accession 0001628280-25-057756 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
M 2025-12-17 2025-12-17 FORM SLESSOR MIKE CEO, Dir S - Sale $56.36 -7,669 525.6K -1% -$432.2K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-12-17 S D 5,606 $56.19 527,664 D — — (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 $55.725 through $56.715. 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.
2 Common Common Stock 2025-12-17 S D 2,063 $56.82 525,601 D — — (F1) The reported sale of shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted on August 19, 2025. (F3) Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $56.72 through $56.8575. 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.