0001039399-23-000052.txt : 20231108 0001039399-23-000052.hdr.sgml : 20231108 20231108175022 ACCESSION NUMBER: 0001039399-23-000052 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20231107 FILED AS OF DATE: 20231108 DATE AS OF CHANGE: 20231108 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: SLESSOR MIKE CENTRAL INDEX KEY: 0001590177 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-50307 FILM NUMBER: 231389437 MAIL ADDRESS: STREET 1: 7005 SOUTHFRONT ROAD CITY: LIVERMORE STATE: CA ZIP: 94551 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: FORMFACTOR INC CENTRAL INDEX KEY: 0001039399 STANDARD INDUSTRIAL CLASSIFICATION: SEMICONDUCTORS & RELATED DEVICES [3674] IRS NUMBER: 133711155 STATE OF INCORPORATION: DE FISCAL YEAR END: 1230 BUSINESS ADDRESS: STREET 1: 7005 SOUTHFRONT ROAD CITY: LIVERMORE STATE: CA ZIP: 94551 BUSINESS PHONE: 9252904000 MAIL ADDRESS: STREET 1: 7005 SOUTHFRONT ROAD CITY: LIVERMORE STATE: CA ZIP: 94551 4 1 wk-form4_1699483812.xml FORM 4 X0508 4 2023-11-07 0 0001039399 FORMFACTOR INC FORM 0001590177 SLESSOR MIKE 7005 SOUTHFRONT ROAD LIVERMORE CA 94551 1 1 0 0 CEO 0 Common Stock 2023-11-07 4 F 0 2930 36.28 D 568249 D Represents the number of shares withheld upon vesting of restricted stock units to cover tax withholding obligations. /s/ Stan Finkelstein, Attorney-in-fact for Mike Slessor 2023-11-08