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The reporting person undertakes to provide to BlueLinx Holdings Inc., any securityholder of BlueLinx Holdings Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes 2 through 9 to this Form 4."}],"balance_after":65059,"source":{"system":"sec-edgar","filing":"0001301787-21-000066","document":"wf-form4_162284808691504.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1301787/000130178721000066/wf-form4_162284808691504.xml","form_type":"4"}},{"id":2690956,"issuer":{"id":5356,"kind":"organization","name":"BlueLinx Holdings Inc."},"owners":[{"id":45617,"kind":"person","name":"Lewis Mitchell B","position":1,"cik":"0001597766","reported_name":"Lewis Mitchell B","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"PRESIDENT AND CEO"}}],"security":"Common Stock","published_at":"2021-05-29T00:20:53.000Z","date":"2021-05-28","kind":"sale","acquired":false,"shares":681,"price":52.029,"value":35431.749,"ownership":{"direct":false,"nature":"By grantor retained annuity trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 6, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F9","text":"The price reported in Column 4 is a weighted average price. 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These shares were sold in multiple transactions in prices ranging from $50.45 to $51.44, inclusive. The reporting person undertakes to provide to BlueLinx Holdings Inc., any securityholder of BlueLinx Holdings Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes 2 through 9 to this Form 4."}],"balance_after":118642,"source":{"system":"sec-edgar","filing":"0001301787-21-000064","document":"wf-form4_162224763807379.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1301787/000130178721000064/wf-form4_162224763807379.xml","form_type":"4"}},{"id":2698460,"issuer":{"id":5356,"kind":"organization","name":"BlueLinx Holdings Inc."},"owners":[{"id":45617,"kind":"person","name":"Lewis Mitchell B","position":1,"cik":"0001597766","reported_name":"Lewis Mitchell B","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"PRESIDENT AND CEO"}}],"security":"Common Stock","published_at":"2021-05-25T00:28:23.000Z","date":"2021-05-24","kind":"sale","acquired":false,"shares":1550,"price":55.796,"value":86483.8,"ownership":{"direct":false,"nature":"By grantor retained annuity trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 6, 2021"},{"field":"price","element":"transactionPricePerShare","label":"F10","text":"The price reported in Column 4 is a weighted average price. 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