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On November 11, 2018, 25% of the RSUs vested."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Does not include performance-based RSUs, if any, held by the Reporting Person for which an assessment has not yet been made regarding the achievement of the applicable performance goals.  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On August 7, 2017, the Reporting Person vested in 25% of such RSUs."}],"balance_after":7529,"source":{"system":"sec-edgar","filing":"0001628280-17-008389","document":"wf-form4_150223762878241.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/319201/000162828017008389/wf-form4_150223762878241.xml","form_type":"4"}},{"id":138149,"issuer":{"id":2838,"kind":"organization","name":"KLA CORP","symbol":"KLAC"},"owners":[{"id":11908,"kind":"person","name":"Trafas Brian M.","position":1,"cik":"0001642421","reported_name":"Trafas Brian M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior Vice President"}}],"security":"Common Stock","published_at":"2017-08-09T00:14:03.000Z","date":"2017-08-06","kind":"tax_withholding","acquired":false,"shares":4413,"price":88.83,"value":392006.79,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"Pursuant to such terms of the August 6, 2013, August 6, 2013 and August 6, 2015 grants, 4,413 shares of KLA-Tencor common stock were automatically withheld at vesting to cover required tax withholding."}],"balance_after":5692,"source":{"system":"sec-edgar","filing":"0001628280-17-008389","document":"wf-form4_150223762878241.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/319201/000162828017008389/wf-form4_150223762878241.xml","form_type":"4"}},{"id":138148,"issuer":{"id":2838,"kind":"organization","name":"KLA CORP","symbol":"KLAC"},"owners":[{"id":11908,"kind":"person","name":"Trafas Brian M.","position":1,"cik":"0001642421","reported_name":"Trafas Brian M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior Vice President"}}],"security":"Common Stock","published_at":"2017-08-09T00:14:03.000Z","date":"2017-08-06","kind":"exercise","acquired":true,"shares":8456,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"On August 6, 2013, August 6, 2013, and August 6, 2015, the Reporting Person received a grant of RSUs or PRSUs covering 7,150 (RSU), 7,150 (PRSU) and 8,800 (RSU) shares of KLA-Tencor common stock, respectively. On August 6, 2017, the Reporting Person vested in 25% of such RSUs and 50% of the PRSUs."}],"balance_after":10105,"source":{"system":"sec-edgar","filing":"0001628280-17-008389","document":"wf-form4_150223762878241.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/319201/000162828017008389/wf-form4_150223762878241.xml","form_type":"4"}},{"id":138147,"issuer":{"id":2838,"kind":"organization","name":"KLA CORP","symbol":"KLAC"},"owners":[{"id":11908,"kind":"person","name":"Trafas Brian M.","position":1,"cik":"0001642421","reported_name":"Trafas Brian M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior Vice President"}}],"security":"Common Stock","published_at":"2017-08-09T00:14:03.000Z","date":"2017-08-04","kind":"tax_withholding","acquired":false,"shares":1801,"price":88.83,"value":159982.83,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Pursuant to such terms of the August 4, 2016 RSU grant, 1,801 shares of KLA-Tencor common stock were automatically withheld at vesting to cover required tax withholding."}],"balance_after":1649,"source":{"system":"sec-edgar","filing":"0001628280-17-008389","document":"wf-form4_150223762878241.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/319201/000162828017008389/wf-form4_150223762878241.xml","form_type":"4"}},{"id":138146,"issuer":{"id":2838,"kind":"organization","name":"KLA CORP","symbol":"KLAC"},"owners":[{"id":11908,"kind":"person","name":"Trafas Brian M.","position":1,"cik":"0001642421","reported_name":"Trafas Brian M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior Vice President"}}],"security":"Common Stock","published_at":"2017-08-09T00:14:03.000Z","date":"2017-08-04","kind":"exercise","acquired":true,"shares":3450,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On August 4, 2016, the Reporting Person received a grant of RSUs covering 13,800 shares of KLA-Tencor common stock. On August 4, 2017, the Reporting Person vested in 25% of such RSUs."}],"balance_after":3450,"source":{"system":"sec-edgar","filing":"0001628280-17-008389","document":"wf-form4_150223762878241.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/319201/000162828017008389/wf-form4_150223762878241.xml","form_type":"4"}},{"id":138336,"issuer":{"id":2838,"kind":"organization","name":"KLA CORP","symbol":"KLAC"},"owners":[{"id":11908,"kind":"person","name":"Trafas Brian M.","position":1,"cik":"0001642421","reported_name":"Trafas Brian M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior Vice President"}}],"security":"Common Stock - Restricted Stock Units","published_at":"2017-08-04T20:31:02.000Z","date":"2017-08-03","kind":"grant","acquired":true,"shares":5003,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of KLA-Tencor common stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Does not include performance-based RSUs, if any, held by the Reporting Person for which an assessment has not yet been made regarding the achievement of the applicable performance goals.  Any such holdings will be reported on a Form 4 within two business days of the date such assessment is made."}],"balance_after":47786,"source":{"system":"sec-edgar","filing":"0001628280-17-008120","document":"wf-form4_150187864878640.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/319201/000162828017008120/wf-form4_150187864878640.xml","form_type":"4"}},{"id":139089,"issuer":{"id":2838,"kind":"organization","name":"KLA CORP","symbol":"KLAC"},"owners":[{"id":11908,"kind":"person","name":"Trafas Brian M.","position":1,"cik":"0001642421","reported_name":"Trafas Brian M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior Vice President"}}],"security":"Common Stock","published_at":"2017-07-06T20:45:13.000Z","date":"2017-07-05","kind":"sale","acquired":false,"shares":260,"price":91.74,"value":23852.4,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on November 29, 2016."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001628280-17-006942","document":"wf-form4_149937389874729.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/319201/000162828017006942/wf-form4_149937389874729.xml","form_type":"4"}}],"next_cursor":"2017-07-06T20:45:13.000000Z,139089"}