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Additionally, the accelerated vesting provisions included within the Agreement or the Plan do not apply to the consummation of the transaction contemplated by the Agreement and Plan of Merger by and Among the Company, Bishop Merger Sub., Inc. and Knight Transportation, Inc. dated as of April 9, 2017 (the \"Merger Agreement\")."}],"balance_after":16970,"source":{"system":"sec-edgar","filing":"0001561051-17-000011","document":"wf-form4_149627483103651.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1492691/000156105117000011/wf-form4_149627483103651.xml","form_type":"4"}},{"id":4302970,"issuer":{"id":762,"kind":"organization","name":"Knight-Swift Transportation Holdings Inc.","symbol":"KNX"},"owners":[{"id":173220,"kind":"person","name":"Van Kirk Steven Richard","position":1,"cik":"0001561051","reported_name":"Van Kirk Steven 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The performance share awards were granted on May 6, 2014 and had a three-year performance period ending on December 31, 2016.  The Issuer's Board of Directors approved the final vesting on February 28, 2017, based on the results of the performance period."}],"balance_after":9878,"source":{"system":"sec-edgar","filing":"0001561051-17-000003","document":"wf-form4_148849260783166.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1492691/000156105117000003/wf-form4_148849260783166.xml","form_type":"4"}},{"id":4552911,"issuer":{"id":762,"kind":"organization","name":"Knight-Swift Transportation Holdings Inc.","symbol":"KNX"},"owners":[{"id":173220,"kind":"person","name":"Van Kirk Steven Richard","position":1,"cik":"0001561051","reported_name":"Van Kirk Steven Richard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP Intermodal"}}],"security":"Employee Stock Option (Right-to-buy)","published_at":"2016-11-16T15:04:32.000Z","date":"2016-11-15","kind":"exercise","acquired":false,"shares":11492,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Options were granted under the Issuer's 2007 Omnibus Incentive Plan (amended and restated as of December 15, 2010).  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The reporting person undertakes to provide Swift Transportation Company, any securities holders of Swift Transportation Company, or the staff of the Securities and Exchange Commission, upon request, all information regarding the number of shares sold at each separate price within this range."}],"balance_after":8741,"source":{"system":"sec-edgar","filing":"0001561051-16-000009","document":"wf-form4_147930865822140.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1492691/000156105116000009/wf-form4_147930865822140.xml","form_type":"4"}},{"id":4552909,"issuer":{"id":762,"kind":"organization","name":"Knight-Swift Transportation Holdings Inc.","symbol":"KNX"},"owners":[{"id":173220,"kind":"person","name":"Van Kirk Steven Richard","position":1,"cik":"0001561051","reported_name":"Van Kirk Steven Richard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP Intermodal"}}],"security":"Class A Common Stock","published_at":"2016-11-16T15:04:32.000Z","date":"2016-11-15","kind":"exercise","acquired":true,"shares":11492,"price":13.36,"value":153533.12,"ownership":{"direct":true},"balance_after":20233,"source":{"system":"sec-edgar","filing":"0001561051-16-000009","document":"wf-form4_147930865822140.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1492691/000156105116000009/wf-form4_147930865822140.xml","form_type":"4"}}]}