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Long Term Incentive Plan and represents the right to receive one share of common stock upon vesting, or, as set forth in footnote 4, two shares of common stock in the aggregate."},{"field":"date","element":"transactionDate","label":"F1","text":"The March 1, 2020 stock award's first performance-based target of a 20-day consecutive trading-day threshold of $43.23 per share was achieved."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The Restricted Stock Units were granted on March 1, 2020 and will vest as follows: (i) 60% of the total number of the awarded shares are Time-Based and will become vested over three years in equal annual installments from the date of grant, and (ii) the remaining 40% of the awarded shares are Performance-Based, half (or 50%) of which shall vest on the day that the average of the daily VWAP of the Company's stock over any period of 20 consecutive trading days attains $43.23 per share within the three-year period beginning 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and will vest as follows: (i) 60% of the total number of the awarded shares are Time-Based and will become vested over three years in equal annual installments from the date of grant, and (ii) the remaining 40% of the awarded shares are Performance-Based, half (or 50%) of which shall vest on the day that the average of the daily VWAP of the Company's stock over any period of 20 consecutive trading days attains $43.23 per share within the three-year period beginning on the date of grant, and the remaining half of which shall vest on the day that the average of the daily VWAP of the Company's stock over any period of 20 consecutive trading days attains $47.01 per share within the three-year period beginning on the date of grant."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The Performance-Based portion of the March 1, 2020 Restricted Stock Units would result in vesting into additional shares (effectively making each Performance-Based RSU 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The amount of securities disposed on March 1, 2020 as payment of the reporting person's tax obligation was in fact 1,964 shares as originally reported (not 3,381 shares). 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As of March 3, 2020, the amount of shares beneficially owned by the reporting person was 20,138."}],"balance_after":20138,"source":{"system":"sec-edgar","filing":"0001073429-20-000059","document":"wf-form4a_158475463289530.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1073429/000107342920000059/wf-form4a_158475463289530.xml","form_type":"4/A","original_submission_date":"2020-03-03"}},{"id":3234123,"issuer":{"id":135936,"kind":"organization","name":"U.S. CONCRETE, INC.","symbol":"USCR"},"owners":[{"id":64922,"kind":"person","name":"Pruitt Ronnie A","position":1,"cik":"0001432991","reported_name":"Pruitt Ronnie A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President & COO"}}],"security":"Restricted stock unit","published_at":"2020-03-03T18:26:11.000Z","date":"2020-03-01","kind":"grant","acquired":true,"shares":44100,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each Restricted Stock Unit was granted from the U.S. Concrete, Inc. 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The vesting reported herein represents the first of three Time-Based awards that vest over three years in equal, annual installments from the date of grant."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The Performance-Based portion of the March 1, 2019 Restricted Stock Units would result in vesting into additional shares if the average of the daily volume weighted average share price (VWAP) over any period of 20 consecutive trading days attains (i) $54.10 per share (resulting in the vesting into an additional 3,740 shares) and (ii) $58.60 per share (resulting in the vesting into a further additional 3,740 shares) within the three-year period from the date of grant."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The Restricted Stock Units were granted on March 1, 2019 and will vest as follows: (i) 60% of the total number of the awarded shares are Time-Based and will become vested over three years in equal annual installments from the date of grant, and (ii) the remaining 40% of the awarded shares are Performance-Based, half (or 50%) of which vested on 5/16/2019 and the remaining half of which vested on 10/14/2019.  The vesting reported herein represents the first of three Time-Based awards that vest over three years in equal, annual installments from the date of grant."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The Performance-Based portion of the March 1, 2019 Restricted Stock Units would result in vesting into additional shares if the average of the daily volume weighted average share price (VWAP) over any period of 20 consecutive trading days attains (i) $54.10 per share (resulting in the vesting into an additional 3,740 shares) and (ii) $58.60 per share (resulting in the vesting into a further additional 3,740 shares) within the three-year period from the date of grant."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"The Restricted Stock Units are reported as still existing after vesting because they could, as set forth in footnotes 3 and 6, result in vesting into additional shares."}],"balance_after":14960,"derivative":{"underlying":"Common stock","underlying_shares":3740},"source":{"system":"sec-edgar","filing":"0001073429-20-000029","document":"wf-form4_158327795474000.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1073429/000107342920000029/wf-form4_158327795474000.xml","form_type":"4"}},{"id":3234121,"issuer":{"id":135936,"kind":"organization","name":"U.S. CONCRETE, INC.","symbol":"USCR"},"owners":[{"id":64922,"kind":"person","name":"Pruitt Ronnie A","position":1,"cik":"0001432991","reported_name":"Pruitt Ronnie A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President & COO"}}],"security":"Common stock","published_at":"2020-03-03T18:26:11.000Z","date":"2020-03-01","kind":"disposition_to_issuer","acquired":false,"shares":3800,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":21555,"source":{"system":"sec-edgar","filing":"0001073429-20-000029","document":"wf-form4_158327795474000.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1073429/000107342920000029/wf-form4_158327795474000.xml","form_type":"4"}},{"id":3234120,"issuer":{"id":135936,"kind":"organization","name":"U.S. CONCRETE, INC.","symbol":"USCR"},"owners":[{"id":64922,"kind":"person","name":"Pruitt Ronnie A","position":1,"cik":"0001432991","reported_name":"Pruitt Ronnie A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President & COO"}}],"security":"Common stock","published_at":"2020-03-03T18:26:11.000Z","date":"2020-03-01","kind":"tax_withholding","acquired":false,"shares":1964,"price":26.84,"value":52713.76,"ownership":{"direct":true},"balance_after":25355,"source":{"system":"sec-edgar","filing":"0001073429-20-000029","document":"wf-form4_158327795474000.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1073429/000107342920000029/wf-form4_158327795474000.xml","form_type":"4"}},{"id":3234119,"issuer":{"id":135936,"kind":"organization","name":"U.S. CONCRETE, INC.","symbol":"USCR"},"owners":[{"id":64922,"kind":"person","name":"Pruitt Ronnie A","position":1,"cik":"0001432991","reported_name":"Pruitt Ronnie A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President & COO"}}],"security":"Common stock","published_at":"2020-03-03T18:26:11.000Z","date":"2020-03-01","kind":"exercise","acquired":true,"shares":3740,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":27319,"source":{"system":"sec-edgar","filing":"0001073429-20-000029","document":"wf-form4_158327795474000.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1073429/000107342920000029/wf-form4_158327795474000.xml","form_type":"4"}},{"id":3393061,"issuer":{"id":135936,"kind":"organization","name":"U.S. CONCRETE, INC.","symbol":"USCR"},"owners":[{"id":64922,"kind":"person","name":"Pruitt Ronnie A","position":1,"cik":"0001432991","reported_name":"Pruitt Ronnie A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President & COO"}}],"security":"Restricted stock units","published_at":"2019-10-16T18:55:55.000Z","date":"2019-10-14","kind":"exercise","acquired":false,"shares":3740,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each Restricted Stock Unit was granted from the U.S. Concrete, Inc. 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14, 2019 when the average of the daily volume-weighted average share price of the Company's stock over a period of 20 consecutive trading days attained $49.90 per share."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The Performance-Based portion of the Restricted Stock Units would result in vesting into additional shares (effectively making each performance-based RSU represent two shares) if the average of the daily VWAP over any period of 20 consecutive trading days attains (i) $54.10 per share (resulting in the vesting into an additional 3,740 shares) and (ii) $58.60 per share (resulting in the vesting into a further additional 3,740 shares) within the three-year period from the date of grant."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The Restricted Stock Units were granted on March 1, 2019 and will vest as follows: (i) 60% of the total number of the awarded shares are Time-Based and will become vested over three years in equal annual installments from the date of grant, and (ii) the remaining 40% of the awarded shares are Performance-Based, half (or 50%) of which previously vested on the day that the average of the daily volume-weighted average share price of the Company's stock over 20 consecutive trading days attained $45.90 per share and the remaining half of which vested on October 14, 2019 when the average of the daily volume-weighted average share price of the Company's stock over a period of 20 consecutive trading days attained $49.90 per share."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The Performance-Based portion of the Restricted Stock Units would result in vesting into additional shares (effectively making each performance-based RSU represent two shares) if the average of the daily VWAP over any period of 20 consecutive trading days attains (i) $54.10 per share (resulting in the vesting into an additional 3,740 shares) and (ii) $58.60 per share (resulting in the vesting into a further additional 3,740 shares) within the three-year period from the date of grant."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"The Restricted Stock Units are reported as still existing after vesting because they could, as set forth in footnote 4 above, result in vesting into additional shares."}],"balance_after":18700,"derivative":{"underlying":"Common stock","underlying_shares":3740},"source":{"system":"sec-edgar","filing":"0001073429-19-000196","document":"wf-form4_157126652797001.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1073429/000107342919000196/wf-form4_157126652797001.xml","form_type":"4"}},{"id":3393060,"issuer":{"id":135936,"kind":"organization","name":"U.S. CONCRETE, INC.","symbol":"USCR"},"owners":[{"id":64922,"kind":"person","name":"Pruitt Ronnie 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These shares were sold in multiple transactions at prices ranging from $46.25 to $46.30, inclusive.  The reporting person undertakes to provide to U.S. Concrete, Inc., any security holder of U.S. Concrete, 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 range set forth in this footnote (1)."}],"balance_after":21310,"source":{"system":"sec-edgar","filing":"0001073429-19-000143","document":"wf-form4_155959651908777.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1073429/000107342919000143/wf-form4_155959651908777.xml","form_type":"4"}},{"id":3519010,"issuer":{"id":135936,"kind":"organization","name":"U.S. CONCRETE, INC.","symbol":"USCR"},"owners":[{"id":64922,"kind":"person","name":"Pruitt Ronnie A","position":1,"cik":"0001432991","reported_name":"Pruitt Ronnie A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President & COO"}}],"security":"Restricted stock units","published_at":"2019-05-20T20:21:06.000Z","date":"2019-05-16","kind":"exercise","acquired":false,"shares":3740,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each Restricted Stock Unit was granted from the U.S. Concrete, Inc. 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