MIKE SLESSOR - 09 Feb 2026 Form 4 Insider Report for FORMFACTOR INC (FORM)

Role
CEO, Director
Signature
/s/ Stan Finkelstein, Attorney-in-fact for Mike Slessor
Issuer symbol
FORM
Transactions as of
09 Feb 2026
Net transactions value
-$311,965
Form type
4
Filing time
11 Feb 2026, 18:21:26 UTC
Previous filing
09 Feb 2026
Next filing
18 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
SLESSOR MIKE CEO, Director 7005 SOUTHFRONT ROAD, LIVERMORE /s/ Stan Finkelstein, Attorney-in-fact for Mike Slessor 11 Feb 2026 0001590177

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction FORM Common Stock Options Exercise $0 +5,908 +1.2% $0.000000 483,038 09 Feb 2026 Direct F1
transaction FORM Common Stock Tax liability $311,965 -3,288 -0.68% $94.88 479,750 09 Feb 2026 Direct F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction FORM Restricted Stock Units Options Exercise $0 -5,908 -33% $0.000000 11,816 09 Feb 2026 Common Stock 5,908 $0.000000 Direct F3, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 These shares of common stock reflect the settlement of restricted stock units of the Issuer. Each Restricted Stock Unit (RSU) is convertible into a share of common stock on a 1-for-1 basis.
F2 Represents the number of shares withheld upon vesting of restricted stock units to cover tax withholding obligations.
F3 The Restricted Stock Units granted on August 7, 2023 vest in twelve (12) quarterly installments beginning on November 7, 2023 and ending on August 7, 2026 and will be settled into shares of common stock on or following the vesting dates.
F4 If the reporting person's employment is terminated for any reason before an applicable Vesting Date, all restricted stock units that have not yet vested shall be forfeited without consideration, except as provided in the change of control severance agreement and any other agreements regarding equity vesting and exercisability between the reporting person and Issuer, which agreements or form agreements are filed with the SEC.