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These shares were withheld to satisfy the Reporting Person's tax withholding obligations.  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On March 5, 2020, certain of these units vested.  These shares were withheld to satisfy the Reporting Person's tax withholding obligations.  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On March 4, 2020, certain of these units vested.  These shares were withheld to satisfy the Reporting Person's tax withholding obligations.  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The award may only be settled in shares of the Issuer's common stock upon vesting and was for no consideration other than service as an executive officer of the Issuer."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes an aggregate of 333 shares acquired by the Reporting Person under the Issuer's Employee Stock Purchase Plan for the fiscal quarter ended December 31, 2019."}],"balance_after":200298,"source":{"system":"sec-edgar","filing":"0001225208-20-004362","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1097864/000122520820004362/doc4.xml","form_type":"4"}},{"id":3319436,"issuer":{"id":3161,"kind":"organization","name":"ON SEMICONDUCTOR CORP","symbol":"ON"},"owners":[{"id":150835,"kind":"person","name":"OZCELIK TANER","position":1,"cik":"0001634640","reported_name":"OZCELIK TANER","relationship":{"officer":true,"officer_title":"SVP & GM, ISG"}}],"security":"Common","published_at":"2020-01-06T22:19:15.000Z","date":"2020-01-02","kind":"sale","acquired":false,"shares":141739,"price":25.0019,"value":3543744.3041,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This transaction was made pursuant to the Reporting Person's existing Rule 10b5-1 plan (i.e., a stock trading plan designed to comply with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended)."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This disposition transaction was executed in multiple trades at prices ranging from $25.00 to $25.03.  The price reported above reflects the weighted average sale price.  The Reporting Person hereby undertakes to provide, upon request, to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes an aggregate of 304 shares acquired by the Reporting Person under the Issuer's Employee Stock Purchase Plan for the fiscal quarter ended September 27, 2019."}],"balance_after":170910,"source":{"system":"sec-edgar","filing":"0001225208-20-000549","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1097864/000122520820000549/doc4.xml","form_type":"4"}},{"id":3444866,"issuer":{"id":3161,"kind":"organization","name":"ON SEMICONDUCTOR CORP","symbol":"ON"},"owners":[{"id":150835,"kind":"person","name":"OZCELIK TANER","position":1,"cik":"0001634640","reported_name":"OZCELIK TANER","relationship":{"officer":true,"officer_title":"SVP & GM, ISG"}}],"security":"Common","published_at":"2019-08-07T22:26:01.000Z","date":"2019-08-05","kind":"tax_withholding","acquired":false,"shares":9122,"price":17.85,"value":162827.7,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"This disposition transaction reflects shares withheld by the Issuer in connection with the PBRSU Award to satisfy the Reporting Person's tax withholding obligations.  The Issuer will pay these taxes on behalf of the Reporting Person."}],"balance_after":312345,"source":{"system":"sec-edgar","filing":"0001225208-19-011010","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1097864/000122520819011010/doc4.xml","form_type":"4"}},{"id":3444865,"issuer":{"id":3161,"kind":"organization","name":"ON SEMICONDUCTOR CORP","symbol":"ON"},"owners":[{"id":150835,"kind":"person","name":"OZCELIK TANER","position":1,"cik":"0001634640","reported_name":"OZCELIK TANER","relationship":{"officer":true,"officer_title":"SVP & GM, ISG"}}],"security":"Common","published_at":"2019-08-07T22:26:01.000Z","date":"2019-08-05","kind":"grant","acquired":true,"shares":36795,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This Form 4 reports the acquisition on August 5, 2019 of 36,795 Performance-Based Restricted Stock Units (the \"PBRSUs\") from the attainment of performance goals under an award made to the Reporting Person on March 5, 2018 (the \"PBRSU Award\").  The PBRSU Award covered a performance period of six consecutive fiscal quarters beginning with the quarter commencing January 1, 2018 (the \"Performance Period\"), and the number of shares eligible for vesting was based upon the Issuer achieving certain Adjusted Non-GAAP EBITDA performance goals for the Performance Period.  The PBRSUs also include an additional equity award based on the Issuer's attainment of certain market share and free cash flow performance goals for the Performance Period."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes an aggregate of 670 shares, consisting of 379 shares and 291 shares acquired by the Reporting Person under the Issuer's Employee Stock Purchase Plan for the fiscal quarters ended March 29, 2019 and June 28, 2019, respectively."}],"balance_after":321467,"source":{"system":"sec-edgar","filing":"0001225208-19-011010","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1097864/000122520819011010/doc4.xml","form_type":"4"}},{"id":3604796,"issuer":{"id":3161,"kind":"organization","name":"ON SEMICONDUCTOR CORP","symbol":"ON"},"owners":[{"id":150835,"kind":"person","name":"OZCELIK TANER","position":1,"cik":"0001634640","reported_name":"OZCELIK TANER","relationship":{"officer":true,"officer_title":"SVP & GM, ISG"}}],"security":"Common","published_at":"2019-03-08T23:28:08.000Z","date":"2019-03-07","kind":"tax_withholding","acquired":false,"shares":27514,"price":21.33,"value":586873.62,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"This disposition transaction represents shares withheld by the Issuer in connection with the Reporting Person's 2016 performance-based restricted stock units award granted pursuant to the Issuer's Amended and Restated Stock Incentive Plan and related award agreement.  On March 7, 2019, certain of these units vested.  These shares were withheld to satisfy the Reporting Person's tax withholding obligations.  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On March 7, 2019, certain of these units vested.  These shares were withheld to satisfy the Reporting Person's tax withholding obligations.  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The award may only be settled in shares of the Issuer's common stock upon vesting and was for no consideration other than service as an executive officer of the Issuer."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes an aggregate of 620 shares, consisting of 281 shares and 339 shares acquired by the Reporting Person under the Issuer's Employee Stock Purchase Plan for the fiscal quarters ended September 28, 2018 and December 31, 2018, respectively."}],"balance_after":330300,"source":{"system":"sec-edgar","filing":"0001225208-19-004804","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1097864/000122520819004804/doc4.xml","form_type":"4"}},{"id":3853814,"issuer":{"id":3161,"kind":"organization","name":"ON SEMICONDUCTOR CORP","symbol":"ON"},"owners":[{"id":150835,"kind":"person","name":"OZCELIK TANER","position":1,"cik":"0001634640","reported_name":"OZCELIK TANER","relationship":{"officer":true,"officer_title":"SVP & GM, ISG"}}],"security":"Common","published_at":"2018-08-03T22:36:04.000Z","date":"2018-08-01","kind":"tax_withholding","acquired":false,"shares":17098,"price":22.26,"value":380601.48,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"This disposition transaction reflects shares withheld by the Issuer in connection with the PBRSU Award to satisfy the Reporting Person's tax withholding obligations.  The Issuer will pay these taxes on behalf of the Reporting Person."}],"balance_after":311431,"source":{"system":"sec-edgar","filing":"0001225208-18-012290","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1097864/000122520818012290/doc4.xml","form_type":"4"}},{"id":3853813,"issuer":{"id":3161,"kind":"organization","name":"ON SEMICONDUCTOR CORP","symbol":"ON"},"owners":[{"id":150835,"kind":"person","name":"OZCELIK TANER","position":1,"cik":"0001634640","reported_name":"OZCELIK TANER","relationship":{"officer":true,"officer_title":"SVP & GM, ISG"}}],"security":"Common","published_at":"2018-08-03T22:36:04.000Z","date":"2018-08-01","kind":"grant","acquired":true,"shares":65532,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This Form 4 reports the acquisition on August 1, 2018 of 65,532 Performance Based Restricted Stock Units (the \"PBRSUs\") from the attainment of performance goals under an award made to the Reporting Person on March 6, 2017 (the \"PBRSU Award\").  The PBRSU Award covered a performance period of six consecutive fiscal quarters beginning with the quarter commencing January 1, 2017 (the \"Performance Period\"), and the number of shares eligible for vesting was based upon the Issuer achieving certain Adjusted Non-GAAP EBITDA performance goals for the Performance Period.  The PBRSUs also include an additional equity award based on the Issuer's achievement of certain market share and free cash flow performance goals for the Performance Period."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes an aggregate of 554 shares, consisting of 298 shares and 256 shares acquired by the Reporting Person under the Issuer's Employee Stock Purchase Plan for the fiscal quarters ended March 30, 2018 and June 29, 2018, respectively."}],"balance_after":328529,"source":{"system":"sec-edgar","filing":"0001225208-18-012290","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1097864/000122520818012290/doc4.xml","form_type":"4"}},{"id":4004027,"issuer":{"id":3161,"kind":"organization","name":"ON SEMICONDUCTOR CORP","symbol":"ON"},"owners":[{"id":150835,"kind":"person","name":"OZCELIK TANER","position":1,"cik":"0001634640","reported_name":"OZCELIK TANER","relationship":{"officer":true,"officer_title":"SVP&GM, Image Sensor Group"}}],"security":"Common","published_at":"2018-03-09T23:29:01.000Z","date":"2018-03-07","kind":"tax_withholding","acquired":false,"shares":9653,"price":25.76,"value":248661.28,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This disposition transaction represents shares withheld by the Issuer in connection with the Reporting Person's 2016 restricted stock units award granted pursuant to the Issuer's Amended and Restated Stock Incentive Plan and related award agreement.  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The Issuer will pay these taxes on behalf of the Reporting Person."}],"balance_after":251343,"source":{"system":"sec-edgar","filing":"0001225208-18-005484","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1097864/000122520818005484/doc4.xml","form_type":"4"}},{"id":4012094,"issuer":{"id":3161,"kind":"organization","name":"ON SEMICONDUCTOR CORP","symbol":"ON"},"owners":[{"id":150835,"kind":"person","name":"OZCELIK TANER","position":1,"cik":"0001634640","reported_name":"OZCELIK TANER","relationship":{"officer":true,"officer_title":"SVP&GM, Image Sensor Group"}}],"security":"Common","published_at":"2018-03-06T23:26:49.000Z","date":"2018-03-02","kind":"tax_withholding","acquired":false,"shares":3495,"price":24.43,"value":85382.85,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This disposition transaction represents shares withheld by the Issuer in connection with the Reporting Person's 2015 performance-based restricted stock units award granted pursuant to the Issuer's Amended and Restated Stock Incentive Plan and related award agreement.  On March 2, 2018, certain of these units vested.  These shares were withheld to satisfy the Reporting Person's tax withholding obligations.  The Issuer will pay these taxes on behalf of the Reporting Person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes an aggregate of 783 shares, consisting of 445 shares and 338 shares acquired by the Reporting Person under the Issuer's Employee Stock Purchase Plan for the fiscal quarters ended September 29, 2017 and December 31, 2017, respectively."}],"balance_after":254981,"source":{"system":"sec-edgar","filing":"0001225208-18-005484","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1097864/000122520818005484/doc4.xml","form_type":"4"}},{"id":4216644,"issuer":{"id":3161,"kind":"organization","name":"ON SEMICONDUCTOR CORP","symbol":"ON"},"owners":[{"id":150835,"kind":"person","name":"OZCELIK TANER","position":1,"cik":"0001634640","reported_name":"OZCELIK TANER","relationship":{"officer":true,"officer_title":"SVP&GM, Image Sensor Group"}}],"security":"Common","published_at":"2017-09-06T22:47:44.000Z","date":"2017-09-01","kind":"tax_withholding","acquired":false,"shares":7107,"price":17.25,"value":122595.75,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"This disposition transaction represents shares withheld by the Issuer in connection with the vesting of certain units under the September 2, 2014 restricted stock units award to the Reporting Person under the Issuer's Amended and Restated Stock Incentive Plan.  The reported shares were withheld to satisfy the Reporting Person's tax withholding obligations.  The Issuer will pay these taxes on behalf of the Reporting Person."}],"balance_after":257693,"source":{"system":"sec-edgar","filing":"0001225208-17-014726","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1097864/000122520817014726/doc4.xml","form_type":"4"}},{"id":4216643,"issuer":{"id":3161,"kind":"organization","name":"ON SEMICONDUCTOR CORP","symbol":"ON"},"owners":[{"id":150835,"kind":"person","name":"OZCELIK TANER","position":1,"cik":"0001634640","reported_name":"OZCELIK TANER","relationship":{"officer":true,"officer_title":"SVP&GM, Image Sensor Group"}}],"security":"Common","published_at":"2017-09-06T22:47:44.000Z","date":"2017-09-01","kind":"tax_withholding","acquired":false,"shares":7107,"price":17.25,"value":122595.75,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This disposition transaction represents shares withheld by the Issuer in connection with the vesting of certain performance-based restricted stock units (\"PBRSUs\") pursuant to the Reporting Person's 2014 PBRSU award and related award agreements. The reported shares were withheld to satisfy the Reporting Person's tax withholding obligations.  The Issuer will pay these taxes on behalf of the Reporting Person."}],"balance_after":264800,"source":{"system":"sec-edgar","filing":"0001225208-17-014726","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1097864/000122520817014726/doc4.xml","form_type":"4"}},{"id":4239247,"issuer":{"id":3161,"kind":"organization","name":"ON SEMICONDUCTOR CORP","symbol":"ON"},"owners":[{"id":150835,"kind":"person","name":"OZCELIK TANER","position":1,"cik":"0001634640","reported_name":"OZCELIK TANER","relationship":{"officer":true,"officer_title":"SVP&GM, Image Sensor Group"}}],"security":"Common","published_at":"2017-08-10T00:57:33.000Z","date":"2017-08-07","kind":"tax_withholding","acquired":false,"shares":24980,"price":16.33,"value":407923.4,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"This disposition transaction reflects shares withheld by the Issuer in connection with the 2016 PBRSU Award.  On August 7, 2017, certain of the PBRSUs under the 2016 PBRSU Award vested.  Certain of the shares underlying such PBRSUs were withheld to satisfy the Reporting Person's withholding obligations.  The Issuer will pay these taxes on behalf of the Reporting Person."}],"balance_after":271907,"source":{"system":"sec-edgar","filing":"0001225208-17-013567","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1097864/000122520817013567/doc4.xml","form_type":"4"}},{"id":4239246,"issuer":{"id":3161,"kind":"organization","name":"ON SEMICONDUCTOR CORP","symbol":"ON"},"owners":[{"id":150835,"kind":"person","name":"OZCELIK TANER","position":1,"cik":"0001634640","reported_name":"OZCELIK TANER","relationship":{"officer":true,"officer_title":"SVP&GM, Image Sensor Group"}}],"security":"Common","published_at":"2017-08-10T00:57:33.000Z","date":"2017-08-07","kind":"grant","acquired":true,"shares":110988,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This Form 4 reports the acquisition on August 7, 2017 of 110,988 Performance Based Restricted Stock Units (\"PBRSUs\") from the attainment of a performance goal under an award made to the Reporting Person on March 7, 2016 (the \"2016 PBRSU Award\").  The 2016 PBRSU Award covered a performance period of six consecutive fiscal quarters beginning with the quarter commencing January 1, 2016 (the \"Performance Measurement Period\"), and the number of shares eligible for vesting was based upon the Issuer achieving certain Adjusted Non-GAAP EBITDA, market share growth, and revenue growth performance goals.  As a result of the Issuer's achievement of the Adjusted Non-GAAP EBITDA performance goals for the Performance Measurement Period, the acquired PBRSUs will vest in two equal tranches, with the first tranche having vested on August 7, 2017."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes an aggregate of 893 shares acquired by the Reporting Person under the Issuer's Employee Stock Purchase Plan for the fiscal quarters ended March 31, 2017 and June 30, 2017."}],"balance_after":296887,"source":{"system":"sec-edgar","filing":"0001225208-17-013567","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1097864/000122520817013567/doc4.xml","form_type":"4"}},{"id":4393152,"issuer":{"id":3161,"kind":"organization","name":"ON SEMICONDUCTOR CORP","symbol":"ON"},"owners":[{"id":150835,"kind":"person","name":"OZCELIK TANER","position":1,"cik":"0001634640","reported_name":"OZCELIK TANER","relationship":{"officer":true,"officer_title":"SVP&GM, Image Sensor Group"}}],"security":"Common","published_at":"2017-03-09T22:41:52.000Z","date":"2017-03-07","kind":"tax_withholding","acquired":false,"shares":6952,"price":15.29,"value":106296.08,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This disposition transaction represents shares withheld by the Issuer in connection with the March 7, 2016 restricted stock units award to the Reporting Person under the Issuer's Amended and Restated Stock Incentive Plan.  On March 7, 2017, certain of these units vested.  These shares were withheld to satisfy the Reporting Person's tax withholding obligations.  The Issuer will pay these taxes on behalf of the Reporting Person."}],"balance_after":185006,"source":{"system":"sec-edgar","filing":"0001225208-17-005993","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1097864/000122520817005993/doc4.xml","form_type":"4"}},{"id":4395780,"issuer":{"id":3161,"kind":"organization","name":"ON SEMICONDUCTOR CORP","symbol":"ON"},"owners":[{"id":150835,"kind":"person","name":"OZCELIK TANER","position":1,"cik":"0001634640","reported_name":"OZCELIK TANER","relationship":{"officer":true,"officer_title":"SVP&GM, Image Sensor Group"}}],"security":"Common","published_at":"2017-03-08T22:47:57.000Z","date":"2017-03-06","kind":"grant","acquired":true,"shares":32766,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Restricted stock units approved on February 23, 2017 under the Issuer's Amended and Restated Stock Incentive Plan with a grant date of March 6, 2017, and with equal pro rata vesting over a 3-year period beginning on the first anniversary of the grant date.  The award may only be settled in shares of the Issuer's common stock upon vesting and was for no consideration other than service as an executive officer of the Issuer."}],"balance_after":191958,"source":{"system":"sec-edgar","filing":"0001225208-17-005923","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1097864/000122520817005923/doc4.xml","form_type":"4"}},{"id":4401086,"issuer":{"id":3161,"kind":"organization","name":"ON SEMICONDUCTOR CORP","symbol":"ON"},"owners":[{"id":150835,"kind":"person","name":"OZCELIK TANER","position":1,"cik":"0001634640","reported_name":"OZCELIK TANER","relationship":{"officer":true,"officer_title":"SVP&GM, Image Sensor Group"}}],"security":"Common","published_at":"2017-03-06T22:50:54.000Z","date":"2017-03-02","kind":"tax_withholding","acquired":false,"shares":4035,"price":15.16,"value":61170.6,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This disposition transaction represents shares withheld by the Issuer in connection with the March 2, 2015 restricted stock units award to the Reporting Person under the Issuer's Amended and Restated Stock Incentive Plan.  On March 2, 2017, certain of these units vested.  These shares were withheld to satisfy the Reporting Person's tax withholding obligations.  The Issuer will pay these taxes on behalf of the Reporting Person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes an aggregate of 1,000 shares acquired by the Reporting Person under the Issuer's Employee Stock Purchase Plan for the quarters ended September 30, 2016 and December 31, 2016."}],"balance_after":159192,"source":{"system":"sec-edgar","filing":"0001225208-17-005650","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1097864/000122520817005650/doc4.xml","form_type":"4"}},{"id":4609818,"issuer":{"id":3161,"kind":"organization","name":"ON SEMICONDUCTOR CORP","symbol":"ON"},"owners":[{"id":150835,"kind":"person","name":"OZCELIK TANER","position":1,"cik":"0001634640","reported_name":"OZCELIK TANER","relationship":{"officer":true,"officer_title":"SVP&GM, Image Sensor Group"}}],"security":"Common","published_at":"2016-09-07T20:23:22.000Z","date":"2016-09-02","kind":"tax_withholding","acquired":false,"shares":5119,"price":11.03,"value":56462.57,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"This disposition transaction represents shares withheld by the Issuer in connecton with the September 2, 2014 restricted stock units award to the Reporting Person under the Issuer's Amended and Restated Stock Incentive Plan.  On September 2, 2016, certain of these units vested.  These shares were withheld to satisfy the Reporting Person's tax withholding obligations.  The Issuer will pay these taxes on behalf of the Reporting Person."}],"balance_after":162227,"source":{"system":"sec-edgar","filing":"0001225208-16-038954","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1097864/000122520816038954/doc4.xml","form_type":"4"}},{"id":4609817,"issuer":{"id":3161,"kind":"organization","name":"ON SEMICONDUCTOR CORP","symbol":"ON"},"owners":[{"id":150835,"kind":"person","name":"OZCELIK TANER","position":1,"cik":"0001634640","reported_name":"OZCELIK TANER","relationship":{"officer":true,"officer_title":"SVP&GM, Image Sensor Group"}}],"security":"Common","published_at":"2016-09-07T20:23:22.000Z","date":"2016-09-02","kind":"tax_withholding","acquired":false,"shares":5119,"price":11.03,"value":56462.57,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This disposition transaction represents shares withheld by the Issuer pursuant to the Reporting Person's 2014 PBRSU Award and related award agreements.  These shares were withheld to satisfy the Reporting Person's tax withholding obligations.  The Issuer will pay these taxes on behalf of the Reporting Person."}],"balance_after":167346,"source":{"system":"sec-edgar","filing":"0001225208-16-038954","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1097864/000122520816038954/doc4.xml","form_type":"4"}}]}