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Settlements of vested units into common stock will occur on the earlier of May 20, 2017 or the date the reporting person ceases to provide service to the Issuer."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The restricted stock units released were settled in shares of common stock and were immediately cancelled upon settlement."}],"balance_after":0,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":9000},"source":{"system":"sec-edgar","filing":"0001039399-17-000041","document":"wf-form4_149557753936700.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1039399/000103939917000041/wf-form4_149557753936700.xml","form_type":"4"}},{"id":4308539,"issuer":{"id":3670,"kind":"organization","name":"FORMFACTOR INC","symbol":"FORM"},"owners":[{"id":139310,"kind":"person","name":"ROGAS EDWARD JR","position":1,"cik":"0001239379","reported_name":"ROGAS EDWARD JR","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-05-23T22:12:35.000Z","date":"2017-05-20","kind":"exercise","acquired":true,"shares":9000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":59000,"source":{"system":"sec-edgar","filing":"0001039399-17-000041","document":"wf-form4_149557753936700.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1039399/000103939917000041/wf-form4_149557753936700.xml","form_type":"4"}},{"id":4316274,"issuer":{"id":3670,"kind":"organization","name":"FORMFACTOR INC","symbol":"FORM"},"owners":[{"id":139310,"kind":"person","name":"ROGAS EDWARD JR","position":1,"cik":"0001239379","reported_name":"ROGAS EDWARD JR","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Non-Qualified Stock Option (right to buy)","published_at":"2017-05-18T00:04:45.000Z","date":"2017-05-15","kind":"exercise","acquired":false,"shares":6000,"price":8.91,"value":53460.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The Stock Option which was granted on October 19, 2010 was granted pursuant to the Issuer's 2002 Equity Incentive Plan and vests in equal monthly installments over 3 years."}],"balance_after":0,"derivative":{"exercise_price":8.91,"expiration_date":"2017-10-19","underlying":"Common Stock","underlying_shares":6000},"source":{"system":"sec-edgar","filing":"0001039399-17-000031","document":"wf-form4_149506587023025.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1039399/000103939917000031/wf-form4_149506587023025.xml","form_type":"4"}},{"id":4316273,"issuer":{"id":3670,"kind":"organization","name":"FORMFACTOR INC","symbol":"FORM"},"owners":[{"id":139310,"kind":"person","name":"ROGAS EDWARD JR","position":1,"cik":"0001239379","reported_name":"ROGAS EDWARD JR","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-05-18T00:04:45.000Z","date":"2017-05-15","kind":"sale","acquired":false,"shares":6000,"price":13.9033,"value":83419.8,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Price represents the weighted average sale price for the transaction reported. 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