SLESSOR MIKE sold FORM

January 15, 2026 · Form 4 insider transaction

SLESSOR MIKE sold 6,976 shares of FormFactor, Inc. at $76.43 per share, a transaction worth $533.2K. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 0 days after the transaction.

Direction
Disposed (sell-side)
Shares
6,976
Price
$76.43
Total value
$533.2K
Role
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateJanuary 15, 2026
Filing dateJanuary 15, 2026
Shares owned after479,019
OwnershipDirect
10b5-1 planYes
AmendedNo

Footnotes

The reported sale of shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted on August 19, 2025.; 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.

View the original Form 4 on SEC EDGAR