InsiderTrades

Form 4 for FORM FORMFACTOR INC

Accepted 2026-01-15 00:00:00 ET · period of report 2026-01-15 · accession 0001628280-26-002231 · 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 2026-01-15 2026-01-15 FORM SLESSOR MIKE CEO, Dir S - Sale $76.81 -13.1K 479.0K -3% -$1.01M

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-01-15 S D 6,112 $77.24 472,907 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 $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.
2 Common Common Stock 2026-01-15 S D 6,976 $76.43 479,019 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 $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.