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Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"This restricted stock unit grant vests in five equal annual installments beginning on May 31, 2018."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"This restricted stock unit grant vests in five equal annual installments beginning on May 31, 2018."}],"balance_after":1799,"derivative":{"exercise_price":0,"underlying":"Class A Common Stock","underlying_shares":1799},"source":{"system":"sec-edgar","filing":"0001140361-18-018275","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1492691/000114036118018275/doc1.xml","form_type":"4/A","original_submission_date":"2017-09-12"}},{"id":3965478,"issuer":{"id":762,"kind":"organization","name":"Knight-Swift Transportation Holdings Inc.","symbol":"KNX"},"owners":[{"id":148818,"kind":"person","name":"Yu Wayne","position":1,"cik":"0001353500","reported_name":"Yu Wayne","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CAO of Knight Trans. Inc."}}],"security":"Restricted Stock Units","published_at":"2018-04-11T23:02:14.000Z","date":"2017-09-08","kind":"grant","acquired":true,"shares":2000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This row is being added to show derivative securities acquired pursuant to an Agreement and Plan of Merger dated April 9, 2017, among the issuer, Bishop Merger Sub, Inc. and Knight Transportation, Inc. (the \"Merger Agreement\"), providing that the issuer would assume each restricted stock award of Knight Transportation, Inc. Common Stock subject to vesting and automatically convert such awards into restricted stock awards of issuer's Class A Common Stock equal to the number of shares of Knight Transportation, Inc. Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"This restricted stock unit grant vests in two equal annual installments beginning on January 31, 2018."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"This restricted stock unit grant vests in two equal annual installments beginning on January 31, 2018."}],"balance_after":2000,"derivative":{"exercise_price":0,"underlying":"Class A Common Stock","underlying_shares":2000},"source":{"system":"sec-edgar","filing":"0001140361-18-018275","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1492691/000114036118018275/doc1.xml","form_type":"4/A","original_submission_date":"2017-09-12"}},{"id":3965477,"issuer":{"id":762,"kind":"organization","name":"Knight-Swift Transportation Holdings Inc.","symbol":"KNX"},"owners":[{"id":148818,"kind":"person","name":"Yu Wayne","position":1,"cik":"0001353500","reported_name":"Yu Wayne","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CAO of Knight Trans. Inc."}}],"security":"Restricted Stock Units","published_at":"2018-04-11T23:02:14.000Z","date":"2017-09-08","kind":"grant","acquired":true,"shares":7050,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This row is being added to show derivative securities acquired pursuant to an Agreement and Plan of Merger dated April 9, 2017, among the issuer, Bishop Merger Sub, Inc. and Knight Transportation, Inc. (the \"Merger Agreement\"), providing that the issuer would assume each restricted stock award of Knight Transportation, Inc. Common Stock subject to vesting and automatically convert such awards into restricted stock awards of issuer's Class A Common Stock equal to the number of shares of Knight Transportation, Inc. Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The restricted stock units vest as follows: approximately 17% on January 31, 2018, approximately 17% on January 31, 2019, approximately 15% on January 31, 2020, and approximately 17% on each of January 31, 2021, 2022, and 2023."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"The restricted stock units vest as follows: approximately 17% on January 31, 2018, approximately 17% on January 31, 2019, approximately 15% on January 31, 2020, and approximately 17% on each of January 31, 2021, 2022, and 2023."}],"balance_after":7050,"derivative":{"exercise_price":0,"underlying":"Class A Common Stock","underlying_shares":7050},"source":{"system":"sec-edgar","filing":"0001140361-18-018275","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1492691/000114036118018275/doc1.xml","form_type":"4/A","original_submission_date":"2017-09-12"}},{"id":3965476,"issuer":{"id":762,"kind":"organization","name":"Knight-Swift Transportation Holdings Inc.","symbol":"KNX"},"owners":[{"id":148818,"kind":"person","name":"Yu Wayne","position":1,"cik":"0001353500","reported_name":"Yu Wayne","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CAO of Knight Trans. Inc."}}],"security":"Restricted Stock Performance Units","published_at":"2018-04-11T23:02:14.000Z","date":"2017-09-08","kind":"grant","acquired":true,"shares":2476,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This row is being added to show derivative securities acquired pursuant to an Agreement and Plan of Merger dated April 9, 2017, among the issuer, Bishop Merger Sub, Inc. and Knight Transportation, Inc. (the \"Merger Agreement\"), providing that the issuer would assume each restricted stock award of Knight Transportation, Inc. Common Stock subject to vesting and automatically convert such awards into restricted stock awards of issuer's Class A Common Stock equal to the number of shares of Knight Transportation, Inc. Common Stock."},{"field":"shares","element":"transactionShares","label":"F4","text":"The number of underlying securities is subject to adjustment based on the level of achievement for specified performance targets measured over a performance period ending on December 31, 2017.  The shares underlying this award vested as of September 8, 2017."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The number of underlying securities is subject to adjustment based on the level of achievement for specified performance targets measured over a performance period ending on December 31, 2017.  The shares underlying this award vested as of September 8, 2017."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F4","text":"The number of underlying securities is subject to adjustment based on the level of achievement for specified performance targets measured over a performance period ending on December 31, 2017.  The shares underlying this award vested as of September 8, 2017."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"The number of underlying securities is subject to adjustment based on the level of achievement for specified performance targets measured over a performance period ending on December 31, 2017.  The shares underlying this award vested as of September 8, 2017."}],"balance_after":2476,"derivative":{"exercise_price":0,"expiration_date":"2020-01-31","underlying":"Class A Common Stock","underlying_shares":2476},"source":{"system":"sec-edgar","filing":"0001140361-18-018275","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1492691/000114036118018275/doc1.xml","form_type":"4/A","original_submission_date":"2017-09-12"}},{"id":3965475,"issuer":{"id":762,"kind":"organization","name":"Knight-Swift Transportation Holdings Inc.","symbol":"KNX"},"owners":[{"id":148818,"kind":"person","name":"Yu Wayne","position":1,"cik":"0001353500","reported_name":"Yu Wayne","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CAO of Knight Trans. Inc."}}],"security":"Restricted Stock Performance Units","published_at":"2018-04-11T23:02:14.000Z","date":"2017-09-08","kind":"grant","acquired":true,"shares":1673,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This row is being added to show derivative securities acquired pursuant to an Agreement and Plan of Merger dated April 9, 2017, among the issuer, Bishop Merger Sub, Inc. and Knight Transportation, Inc. (the \"Merger Agreement\"), providing that the issuer would assume each restricted stock award of Knight Transportation, Inc. Common Stock subject to vesting and automatically convert such awards into restricted stock awards of issuer's Class A Common Stock equal to the number of shares of Knight Transportation, Inc. Common Stock."},{"field":"shares","element":"transactionShares","label":"F4","text":"The number of underlying securities is subject to adjustment based on the level of achievement for specified performance targets measured over a performance period ending on December 31, 2017.  The shares underlying this award vested as of September 8, 2017."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The number of underlying securities is subject to adjustment based on the level of achievement for specified performance targets measured over a performance period ending on December 31, 2017.  The shares underlying this award vested as of September 8, 2017."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F4","text":"The number of underlying securities is subject to adjustment based on the level of achievement for specified performance targets measured over a performance period ending on December 31, 2017.  The shares underlying this award vested as of September 8, 2017."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"The number of underlying securities is subject to adjustment based on the level of achievement for specified performance targets measured over a performance period ending on December 31, 2017.  The shares underlying this award vested as of September 8, 2017."}],"balance_after":1673,"derivative":{"exercise_price":0,"expiration_date":"2019-01-31","underlying":"Class A Common Stock","underlying_shares":1673},"source":{"system":"sec-edgar","filing":"0001140361-18-018275","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1492691/000114036118018275/doc1.xml","form_type":"4/A","original_submission_date":"2017-09-12"}},{"id":3965474,"issuer":{"id":762,"kind":"organization","name":"Knight-Swift Transportation Holdings Inc.","symbol":"KNX"},"owners":[{"id":148818,"kind":"person","name":"Yu Wayne","position":1,"cik":"0001353500","reported_name":"Yu Wayne","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CAO of Knight Trans. Inc."}}],"security":"Restricted Stock Performance Units","published_at":"2018-04-11T23:02:14.000Z","date":"2017-09-08","kind":"exercise","acquired":false,"shares":2487,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This row is being added to show derivative securities acquired pursuant to an Agreement and Plan of Merger dated April 9, 2017, among the issuer, Bishop Merger Sub, Inc. and Knight Transportation, Inc. (the \"Merger Agreement\"), providing that the issuer would assume each restricted stock award of Knight Transportation, Inc. Common Stock subject to vesting and automatically convert such awards into restricted stock awards of issuer's Class A Common Stock equal to the number of shares of Knight Transportation, Inc. Common Stock."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"On March 14, 2014, the reporting person was granted restricted stock units with the amount of shares of common stock awarded to be based on achieving or failing to achieve performance targets measured over a three-year period that ended December 31, 2016.  As part of the Merger Agreement, the restricted stock units vest on the effective date of the merger and the shares issued have a market value of $40.85 per share on the effective date of the merger.  Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock. The vesting of these restricted stock units is reported in Table I of the original Form 4."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"On March 14, 2014, the reporting person was granted restricted stock units with the amount of shares of common stock awarded to be based on achieving or failing to achieve performance targets measured over a three-year period that ended December 31, 2016.  As part of the Merger Agreement, the restricted stock units vest on the effective date of the merger and the shares issued have a market value of $40.85 per share on the effective date of the merger.  Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock. The vesting of these restricted stock units is reported in Table I of the original Form 4."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"On March 14, 2014, the reporting person was granted restricted stock units with the amount of shares of common stock awarded to be based on achieving or failing to achieve performance targets measured over a three-year period that ended December 31, 2016.  As part of the Merger Agreement, the restricted stock units vest on the effective date of the merger and the shares issued have a market value of $40.85 per share on the effective date of the merger.  Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock. The vesting of these restricted stock units is reported in Table I of the original Form 4."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":2487},"source":{"system":"sec-edgar","filing":"0001140361-18-018275","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1492691/000114036118018275/doc1.xml","form_type":"4/A","original_submission_date":"2017-09-12"}},{"id":3965473,"issuer":{"id":762,"kind":"organization","name":"Knight-Swift Transportation Holdings Inc.","symbol":"KNX"},"owners":[{"id":148818,"kind":"person","name":"Yu Wayne","position":1,"cik":"0001353500","reported_name":"Yu Wayne","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CAO of Knight Trans. Inc."}}],"security":"Restricted Stock Performance Units","published_at":"2018-04-11T23:02:14.000Z","date":"2017-09-08","kind":"grant","acquired":true,"shares":2487,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This row is being added to show derivative securities acquired pursuant to an Agreement and Plan of Merger dated April 9, 2017, among the issuer, Bishop Merger Sub, Inc. and Knight Transportation, Inc. (the \"Merger Agreement\"), providing that the issuer would assume each restricted stock award of Knight Transportation, Inc. Common Stock subject to vesting and automatically convert such awards into restricted stock awards of issuer's Class A Common Stock equal to the number of shares of Knight Transportation, Inc. Common Stock."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"On March 14, 2014, the reporting person was granted restricted stock units with the amount of shares of common stock awarded to be based on achieving or failing to achieve performance targets measured over a three-year period that ended December 31, 2016.  As part of the Merger Agreement, the restricted stock units vest on the effective date of the merger and the shares issued have a market value of $40.85 per share on the effective date of the merger.  Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock. The vesting of these restricted stock units is reported in Table I of the original Form 4."},{"field":"shares","element":"transactionShares","label":"F3","text":"On March 14, 2014, the reporting person was granted restricted stock units with the amount of shares of common stock awarded to be based on achieving or failing to achieve performance targets measured over a three-year period that ended December 31, 2016.  As part of the Merger Agreement, the restricted stock units vest on the effective date of the merger and the shares issued have a market value of $40.85 per share on the effective date of the merger.  Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock. The vesting of these restricted stock units is reported in Table I of the original Form 4."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"On March 14, 2014, the reporting person was granted restricted stock units with the amount of shares of common stock awarded to be based on achieving or failing to achieve performance targets measured over a three-year period that ended December 31, 2016.  As part of the Merger Agreement, the restricted stock units vest on the effective date of the merger and the shares issued have a market value of $40.85 per share on the effective date of the merger.  Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock. The vesting of these restricted stock units is reported in Table I of the original Form 4."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"On March 14, 2014, the reporting person was granted restricted stock units with the amount of shares of common stock awarded to be based on achieving or failing to achieve performance targets measured over a three-year period that ended December 31, 2016.  As part of the Merger Agreement, the restricted stock units vest on the effective date of the merger and the shares issued have a market value of $40.85 per share on the effective date of the merger.  Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock. The vesting of these restricted stock units is reported in Table I of the original Form 4."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F3","text":"On March 14, 2014, the reporting person was granted restricted stock units with the amount of shares of common stock awarded to be based on achieving or failing to achieve performance targets measured over a three-year period that ended December 31, 2016.  As part of the Merger Agreement, the restricted stock units vest on the effective date of the merger and the shares issued have a market value of $40.85 per share on the effective date of the merger.  Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock. The vesting of these restricted stock units is reported in Table I of the original Form 4."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"On March 14, 2014, the reporting person was granted restricted stock units with the amount of shares of common stock awarded to be based on achieving or failing to achieve performance targets measured over a three-year period that ended December 31, 2016.  As part of the Merger Agreement, the restricted stock units vest on the effective date of the merger and the shares issued have a market value of $40.85 per share on the effective date of the merger.  Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock. The vesting of these restricted stock units is reported in Table I of the original Form 4."}],"balance_after":2487,"derivative":{"exercise_date":"2017-09-08","underlying":"Class A Common Stock","underlying_shares":2487},"source":{"system":"sec-edgar","filing":"0001140361-18-018275","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1492691/000114036118018275/doc1.xml","form_type":"4/A","original_submission_date":"2017-09-12"}},{"id":3965689,"issuer":{"id":167622,"kind":"organization","name":"KNIGHT TRANSPORTATION INC","symbol":"KNX"},"owners":[{"id":148818,"kind":"person","name":"Yu Wayne","position":1,"cik":"0001353500","reported_name":"Yu Wayne","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CAO of Knight Trans. Inc."}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2018-04-11T18:56:40.000Z","date":"2017-09-08","kind":"disposition_to_issuer","acquired":false,"shares":5000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This row is added to show disposition of derivative securities pursuant to the Agreement and Plan of Merger, dated April 9, 2017, by and among Swift Transportation Company, Bishop Merger Sub, Inc., and the issuer (the \"Merger Agreement\"). The derivate securities were assumed and replaced by Swift Transportation Company (renamed Knight-Swift Transportation Holdings Inc.)."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"This option was scheduled to vest in four equal annual installments beginning on May 31, 2018."}],"balance_after":0,"derivative":{"exercise_price":33.35,"expiration_date":"2022-05-31","underlying":"Common Stock","underlying_shares":5000},"source":{"system":"sec-edgar","filing":"0001140361-18-018273","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/929452/000114036118018273/doc1.xml","form_type":"4/A","original_submission_date":"2017-09-12"}},{"id":3965688,"issuer":{"id":167622,"kind":"organization","name":"KNIGHT TRANSPORTATION INC","symbol":"KNX"},"owners":[{"id":148818,"kind":"person","name":"Yu Wayne","position":1,"cik":"0001353500","reported_name":"Yu Wayne","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CAO of Knight Trans. Inc."}}],"security":"Restricted Stock Units","published_at":"2018-04-11T18:56:40.000Z","date":"2017-09-08","kind":"disposition_to_issuer","acquired":false,"shares":1799,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This row is added to show disposition of derivative securities pursuant to the Agreement and Plan of Merger, dated April 9, 2017, by and among Swift Transportation Company, Bishop Merger Sub, Inc., and the issuer (the \"Merger Agreement\"). The derivate securities were assumed and replaced by Swift Transportation Company (renamed Knight-Swift Transportation Holdings Inc.)."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F6","text":"This restricted stock unit grant was scheduled to vest in five equal annual installments beginning on May 31, 2018."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"This restricted stock unit grant was scheduled to vest in five equal annual installments beginning on May 31, 2018."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"This restricted stock unit grant was scheduled to vest in five equal annual installments beginning on May 31, 2018."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":1799},"source":{"system":"sec-edgar","filing":"0001140361-18-018273","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/929452/000114036118018273/doc1.xml","form_type":"4/A","original_submission_date":"2017-09-12"}},{"id":3965687,"issuer":{"id":167622,"kind":"organization","name":"KNIGHT TRANSPORTATION INC","symbol":"KNX"},"owners":[{"id":148818,"kind":"person","name":"Yu Wayne","position":1,"cik":"0001353500","reported_name":"Yu Wayne","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CAO of Knight Trans. Inc."}}],"security":"Restricted Stock Units","published_at":"2018-04-11T18:56:40.000Z","date":"2017-09-08","kind":"disposition_to_issuer","acquired":false,"shares":2000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This row is added to show disposition of derivative securities pursuant to the Agreement and Plan of Merger, dated April 9, 2017, by and among Swift Transportation Company, Bishop Merger Sub, Inc., and the issuer (the \"Merger Agreement\"). The derivate securities were assumed and replaced by Swift Transportation Company (renamed Knight-Swift Transportation Holdings Inc.)."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"The remaining restricted stock units for this grant were scheduled to vest in two equal annual installments beginning on January 31, 2018."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The remaining restricted stock units for this grant were scheduled to vest in two equal annual installments beginning on January 31, 2018."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"The remaining restricted stock units for this grant were scheduled to vest in two equal annual installments beginning on January 31, 2018."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":2000},"source":{"system":"sec-edgar","filing":"0001140361-18-018273","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/929452/000114036118018273/doc1.xml","form_type":"4/A","original_submission_date":"2017-09-12"}},{"id":3965686,"issuer":{"id":167622,"kind":"organization","name":"KNIGHT TRANSPORTATION INC","symbol":"KNX"},"owners":[{"id":148818,"kind":"person","name":"Yu Wayne","position":1,"cik":"0001353500","reported_name":"Yu Wayne","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CAO of Knight Trans. Inc."}}],"security":"Restricted Stock Units","published_at":"2018-04-11T18:56:40.000Z","date":"2017-09-08","kind":"disposition_to_issuer","acquired":false,"shares":7050,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This row is added to show disposition of derivative securities pursuant to the Agreement and Plan of Merger, dated April 9, 2017, by and among Swift Transportation Company, Bishop Merger Sub, Inc., and the issuer (the \"Merger Agreement\"). The derivate securities were assumed and replaced by Swift Transportation Company (renamed Knight-Swift Transportation Holdings Inc.)."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"The remaining restricted stock units for this grant were scheduled to vest as follows: approximately 17% on January 31, 2018, approximately 17% on January 31, 2019, approximately 15% on January 31, 2020, and approximately 17% on each of January 31, 2021, 2022, and 2023."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The remaining restricted stock units for this grant were scheduled to vest as follows: approximately 17% on January 31, 2018, approximately 17% on January 31, 2019, approximately 15% on January 31, 2020, and approximately 17% on each of January 31, 2021, 2022, and 2023."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The remaining restricted stock units for this grant were scheduled to vest as follows: approximately 17% on January 31, 2018, approximately 17% on January 31, 2019, approximately 15% on January 31, 2020, and approximately 17% on each of January 31, 2021, 2022, and 2023."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":7050},"source":{"system":"sec-edgar","filing":"0001140361-18-018273","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/929452/000114036118018273/doc1.xml","form_type":"4/A","original_submission_date":"2017-09-12"}},{"id":3965685,"issuer":{"id":167622,"kind":"organization","name":"KNIGHT TRANSPORTATION INC","symbol":"KNX"},"owners":[{"id":148818,"kind":"person","name":"Yu Wayne","position":1,"cik":"0001353500","reported_name":"Yu Wayne","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CAO of Knight Trans. 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The shares underlying this award vested as of September 8, 2017."},{"field":"shares","element":"transactionShares","label":"F3","text":"The number of underlying securities is subject to adjustment based on the level of achievement for specified performance targets measured over a performance period ending on December 31, 2017.  The shares underlying this award vested as of September 8, 2017."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The number of underlying securities is subject to adjustment based on the level of achievement for specified performance targets measured over a performance period ending on December 31, 2017.  The shares underlying this award vested as of September 8, 2017."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The number of underlying securities is subject to adjustment based on the level of achievement for specified performance targets measured over a performance period ending on December 31, 2017.  The shares underlying this award vested as of September 8, 2017."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F3","text":"The number of underlying securities is subject to adjustment based on the level of achievement for specified performance targets measured over a performance period ending on December 31, 2017.  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The shares underlying this award vested as of September 8, 2017."},{"field":"shares","element":"transactionShares","label":"F3","text":"The number of underlying securities is subject to adjustment based on the level of achievement for specified performance targets measured over a performance period ending on December 31, 2017.  The shares underlying this award vested as of September 8, 2017."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The number of underlying securities is subject to adjustment based on the level of achievement for specified performance targets measured over a performance period ending on December 31, 2017.  The shares underlying this award vested as of September 8, 2017."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The number of underlying securities is subject to adjustment based on the level of achievement for specified performance targets measured over a performance period ending on December 31, 2017.  The shares underlying this award vested as of September 8, 2017."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F3","text":"The number of underlying securities is subject to adjustment based on the level of achievement for specified performance targets measured over a performance period ending on December 31, 2017.  The shares underlying this award vested as of September 8, 2017."}],"balance_after":0,"derivative":{"expiration_date":"2019-01-31","underlying":"Common Stock","underlying_shares":1673},"source":{"system":"sec-edgar","filing":"0001140361-18-018273","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/929452/000114036118018273/doc1.xml","form_type":"4/A","original_submission_date":"2017-09-12"}},{"id":3965683,"issuer":{"id":167622,"kind":"organization","name":"KNIGHT TRANSPORTATION INC","symbol":"KNX"},"owners":[{"id":148818,"kind":"person","name":"Yu Wayne","position":1,"cik":"0001353500","reported_name":"Yu Wayne","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CAO of Knight Trans. 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The derivate securities were assumed and replaced by Swift Transportation Company (renamed Knight-Swift Transportation Holdings Inc.)."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"On March 14, 2014, the reporting person was granted restricted stock units with the amount of shares of common stock awarded to be based on achieving or failing to achieve performance targets measured over a three-year period that ended December 31, 2016.  As part of the Merger Agreement, the restricted stock units vest on the closing date of the Merger Agreement and the shares issued have a market value of $40.85 per share on the closing date of the Merger Agreement.  Each restricted stock unit represents a contingent right to receive one share of Common Stock of the issuer."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"On March 14, 2014, the reporting person was granted restricted stock units with the amount of shares of common stock awarded to be based on achieving or failing to achieve performance targets measured over a three-year period that ended December 31, 2016.  As part of the Merger Agreement, the restricted stock units vest on the closing date of the Merger Agreement and the shares issued have a market value of $40.85 per share on the closing date of the Merger Agreement.  Each restricted stock unit represents a contingent right to receive one share of Common Stock of the issuer."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"On March 14, 2014, the reporting person was granted restricted stock units with the amount of shares of common stock awarded to be based on achieving or failing to achieve performance targets measured over a three-year period that ended December 31, 2016.  As part of the Merger Agreement, the restricted stock units vest on the closing date of the Merger Agreement and the shares issued have a market value of $40.85 per share on the closing date of the Merger Agreement.  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Stock is issued when and as vested."}],"balance_after":2199,"derivative":{"underlying":"Class A Common Stock","underlying_shares":2199},"source":{"system":"sec-edgar","filing":"0001140361-17-042194","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1492691/000114036117042194/doc1.xml","form_type":"4"}},{"id":4211679,"issuer":{"id":762,"kind":"organization","name":"Knight-Swift Transportation Holdings Inc.","symbol":"KNX"},"owners":[{"id":148818,"kind":"person","name":"Yu Wayne","position":1,"cik":"0001353500","reported_name":"Yu Wayne","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CAO of Knight Trans. 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As part of the Agreement and Plan of Merger dated April 9, 2017, among the issuer, Bishop Merger Sub, Inc., and Knight Transportation, Inc., the restricted stock units vest on the effective date of the merger and the shares issued have a market value of $40.85 per share on the effective date of the merger."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"On March 14, 2014, the reporting person was granted restricted stock units with the amount of shares of common stock awarded to be based on achieving or failing to achieve performance targets measured over a three-year period that ended December 31, 2016.  As part of the Agreement and Plan of Merger dated April 9, 2017, among the issuer, Bishop Merger Sub, Inc., and Knight Transportation, Inc., the restricted stock units vest on the effective date of the merger and the shares issued have a market value of $40.85 per share on the effective date of the merger."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"On March 14, 2014, the reporting person was granted restricted stock units with the amount of shares of common stock awarded to be based on achieving or failing to achieve performance targets measured over a three-year period that ended December 31, 2016.  As part of the Agreement and Plan of Merger dated April 9, 2017, among the issuer, Bishop Merger Sub, Inc., and Knight Transportation, Inc., the restricted stock units vest on the effective date of the merger and the shares issued have a market value of $40.85 per share on the effective date of the merger."}],"balance_after":0,"derivative":{"exercise_date":"2017-09-08","underlying":"Common Stock","underlying_shares":2487},"source":{"system":"sec-edgar","filing":"0001140361-17-035245","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1492691/000114036117035245/doc1.xml","form_type":"4"}},{"id":4211678,"issuer":{"id":762,"kind":"organization","name":"Knight-Swift Transportation Holdings Inc.","symbol":"KNX"},"owners":[{"id":148818,"kind":"person","name":"Yu Wayne","position":1,"cik":"0001353500","reported_name":"Yu Wayne","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CAO of Knight Trans. 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As part of the Agreement and Plan of Merger dated April 9, 2017, among the issuer, Bishop Merger Sub, Inc., and Knight Transportation, Inc., the restricted stock units vest on the effective date of the merger and the shares issued have a market value of $40.85 per share on the effective date of the merger."}],"balance_after":13790,"source":{"system":"sec-edgar","filing":"0001140361-17-035245","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1492691/000114036117035245/doc1.xml","form_type":"4"}},{"id":4211676,"issuer":{"id":762,"kind":"organization","name":"Knight-Swift Transportation Holdings Inc.","symbol":"KNX"},"owners":[{"id":148818,"kind":"person","name":"Yu Wayne","position":1,"cik":"0001353500","reported_name":"Yu Wayne","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CAO of Knight Trans. 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Each acquired share's market value is $40.85."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Acquired pursuant to an Agreement and Plan of Merger dated April 9, 2017, among the issuer, Bishop Merger Sub, Inc., and Knight Transportation, Inc., providing that issuer would issue to each shareholder of Knight Transportation, Inc. the number of issuer's shares equal to the number of shares of Knight Transportation, Inc. held by the shareholder.  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