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amended."}],"balance_after":2868639,"source":{"system":"sec-edgar","filing":"0001437749-19-010268","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1703956/000143774919010268/rdgdoc.xml","form_type":"4"}},{"id":3550927,"issuer":{"id":5538,"kind":"organization","name":"Concrete Pumping Holdings, Inc."},"owners":[{"id":68572,"kind":"person","name":"Young Bruce F.","position":1,"cik":"0001760704","reported_name":"Young Bruce F.","relationship":{"director":true,"officer":true,"officer_title":"Chief Executive Officer"}}],"security":"Options","published_at":"2019-04-23T18:23:43.000Z","date":"2019-04-22","kind":"exercise","acquired":false,"shares":459770,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Pursuant to that certain Agreement and Plan of Merger, dated September 7, 2018, by and among the Issuer, Industrea Acquisition Corp. (\"Industrea\"), Concrete Pumping Holdings, Inc., a Delaware corporation (\"CPH\"), certain subsidiaries of the Issuer, and PGP Investors, LLC, solely in its capacity as the initial Holder Representative (the \"Merger Agreement\"), as well as that related Management Rollover Agreement, dated as of September 7, 2018, by and among the Issuer, Industrea, and the rollover holders party thereto (the \"Rollover Agreement\"), each incentive stock option to purchase a common share of CPH granted to the Reporting Person by CPH under its 2015 Equity Incentive Plan were converted into an incentive stock option to purchase approximately 2.877 common shares of the Issuer, rounded down to the nearest whole share."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The exercise price per share for each converted incentive stock option is determined by dividing the exercise price of the original CPH stock option by the 2.877 exchange ratio, with such quotient rounded up to the nearest whole cent. Such converted incentive stock options to purchase Issuer common shares are fully vested in accordance with the Merger Agreement and the Rollover Agreement and will expire on March 7, 2026."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Pursuant to that certain Agreement and Plan of Merger, dated September 7, 2018, by and among the Issuer, Industrea Acquisition Corp. (\"Industrea\"), Concrete Pumping Holdings, Inc., a Delaware corporation (\"CPH\"), certain subsidiaries of the Issuer, and PGP Investors, LLC, solely in its capacity as the initial Holder Representative (the \"Merger Agreement\"), as well as that related Management Rollover Agreement, dated as of September 7, 2018, by and among the Issuer, Industrea, and the rollover holders party thereto (the \"Rollover Agreement\"), each incentive stock option to purchase a common share of CPH granted to the Reporting Person by CPH under its 2015 Equity Incentive Plan were converted into an incentive stock option to purchase approximately 2.877 common shares of the Issuer, rounded down to the nearest whole share."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The exercise price per share for each converted incentive stock option is determined by dividing the exercise price of the original CPH stock option by the 2.877 exchange ratio, with such quotient rounded up to the nearest whole cent. Such converted incentive stock options to purchase Issuer common shares are fully vested in accordance with the Merger Agreement and the Rollover Agreement and will expire on March 7, 2026."}],"balance_after":736810,"derivative":{"exercise_price":0.87,"underlying":"Common Stock","underlying_shares":459770},"source":{"system":"sec-edgar","filing":"0001437749-19-007756","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1703956/000143774919007756/rdgdoc.xml","form_type":"4"}},{"id":3550926,"issuer":{"id":5538,"kind":"organization","name":"Concrete Pumping Holdings, Inc."},"owners":[{"id":68572,"kind":"person","name":"Young Bruce F.","position":1,"cik":"0001760704","reported_name":"Young Bruce F.","relationship":{"director":true,"officer":true,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2019-04-23T18:23:43.000Z","date":"2019-04-22","kind":"exercise","acquired":true,"shares":459770,"price":0.87,"value":399999.9,"ownership":{"direct":true},"balance_after":2668639,"source":{"system":"sec-edgar","filing":"0001437749-19-007756","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1703956/000143774919007756/rdgdoc.xml","form_type":"4"}},{"id":3556356,"issuer":{"id":5538,"kind":"organization","name":"Concrete Pumping Holdings, Inc."},"owners":[{"id":68572,"kind":"person","name":"Young Bruce F.","position":1,"cik":"0001760704","reported_name":"Young Bruce F.","relationship":{"director":true,"officer":true,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2019-04-12T19:57:40.000Z","date":"2019-04-10","kind":"grant","acquired":true,"shares":335344,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents restricted shares of common stock.  Such shares will become available for vesting in three equal installments if the common stock closes at or above $13.00, $16.00 and $19.00 per share, respectively (each, a \"stock price target\"), for 30 consecutive business days. Upon the achievement of a stock price target, the related tranche of restricted common stock will vest in equal increments over the first, second and third anniversaries of the date on which such stock price target was achieved. If a stock price target is not achieved on or before December 6, 2023, then the related tranche of restricted shares will be forfeited.  If a stock price target is achieved but the related tranche of restricted shares is not fully vested by December 6, 2023, such shares may, under certain circumstances, continue to vest after that date."}],"balance_after":1472059,"source":{"system":"sec-edgar","filing":"0001437749-19-007081","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1703956/000143774919007081/rdgdoc.xml","form_type":"4"}},{"id":3556355,"issuer":{"id":5538,"kind":"organization","name":"Concrete Pumping Holdings, Inc."},"owners":[{"id":68572,"kind":"person","name":"Young Bruce F.","position":1,"cik":"0001760704","reported_name":"Young Bruce F.","relationship":{"director":true,"officer":true,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2019-04-12T19:57:40.000Z","date":"2019-04-10","kind":"grant","acquired":true,"shares":1136715,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted shares of common stock.  25% of such shares will vest in five substantially equal installments on each of December 6, 2019, December 6, 2020, December 6, 2021, December 6, 2022 and December 6, 2023, provided that the Reporting Person is in the employ of the Issuer or a subsidiary of the Issuer on the vesting dates. The remaining 75% will become available for vesting in three equal installments if the common stock closes at or above $13.00, $16.00 and $19.00 per share, respectively (each, a \"stock price target\"), for 30 consecutive business days. Upon the achievement of a stock price target, the related tranche of restricted common stock will vest in equal increments over the first, second and third anniversaries of the date on which such stock price target was achieved. If a stock price target is not achieved on or before December 6, 2023, then the related tranche of restricted shares will be forfeited.  If a stock price target is achieved but the related tranche"}],"balance_after":1136715,"source":{"system":"sec-edgar","filing":"0001437749-19-007081","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1703956/000143774919007081/rdgdoc.xml","form_type":"4"}},{"id":3737130,"issuer":{"id":5538,"kind":"organization","name":"Concrete Pumping Holdings, Inc."},"owners":[{"id":68572,"kind":"person","name":"Young Bruce F.","position":1,"cik":"0001760704","reported_name":"Young Bruce F.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Options","published_at":"2018-12-11T02:33:53.000Z","date":"2018-12-06","kind":"grant","acquired":true,"shares":1196580,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"The exercise price per share for each converted incentive stock option is determined by dividing the exercise price of the original CPH stock option by the 2.877 exchange ratio, with such quotient rounded up to the nearest whole cent. Such converted incentive stock options to purchase Issuer common shares are fully vested in accordance with the Merger Agreement and the Rollover Agreement and will expire on March 7, 2026."},{"field":"shares","element":"transactionShares","label":"F1","text":"Pursuant to that certain Agreement and Plan of Merger, dated September 7, 2018, by and among the Issuer, Industrea Acquisition Corp. (\"Industrea\"), Concrete Pumping Holdings, Inc., a Delaware corporation (\"CPH\"), certain subsidiaries of the Issuer, and PGP Investors, LLC, solely in its capacity as the initial Holder Representative (the \"Merger Agreement\"), as well as that related Management Rollover Agreement, dated as of September 7, 2018, by and among the Issuer, Industrea, and the rollover holders party thereto (the \"Rollover Agreement\"), each incentive stock option to purchase a common share of CPH granted to the Reporting Person by CPH under its 2015 Equity Incentive Plan were converted into an incentive stock option to purchase approximately 2.877 common shares of the Issuer, rounded down to the nearest whole share."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Pursuant to that certain Agreement and Plan of Merger, dated September 7, 2018, by and among the Issuer, Industrea Acquisition Corp. (\"Industrea\"), Concrete Pumping Holdings, Inc., a Delaware corporation (\"CPH\"), certain subsidiaries of the Issuer, and PGP Investors, LLC, solely in its capacity as the initial Holder Representative (the \"Merger Agreement\"), as well as that related Management Rollover Agreement, dated as of September 7, 2018, by and among the Issuer, Industrea, and the rollover holders party thereto (the \"Rollover Agreement\"), each incentive stock option to purchase a common share of CPH granted to the Reporting Person by CPH under its 2015 Equity Incentive Plan were converted into an incentive stock option to purchase approximately 2.877 common shares of the Issuer, rounded down to the nearest whole share."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The exercise price per share for each converted incentive stock option is determined by dividing the exercise price of the original CPH stock option by the 2.877 exchange ratio, with such quotient rounded up to the nearest whole cent. Such converted incentive stock options to purchase Issuer common shares are fully vested in accordance with the Merger Agreement and the Rollover Agreement and will expire on March 7, 2026."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Pursuant to that certain Agreement and Plan of Merger, dated September 7, 2018, by and among the Issuer, Industrea Acquisition Corp. (\"Industrea\"), Concrete Pumping Holdings, Inc., a Delaware corporation (\"CPH\"), certain subsidiaries of the Issuer, and PGP Investors, LLC, solely in its capacity as the initial Holder Representative (the \"Merger Agreement\"), as well as that related Management Rollover Agreement, dated as of September 7, 2018, by and among the Issuer, Industrea, and the rollover holders party thereto (the \"Rollover Agreement\"), each incentive stock option to purchase a common share of CPH granted to the Reporting Person by CPH under its 2015 Equity Incentive Plan were converted into an incentive stock option to purchase approximately 2.877 common shares of the Issuer, rounded down to the nearest whole share."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The exercise price per share for each converted incentive stock option is determined by dividing the exercise price of the original CPH stock option by the 2.877 exchange ratio, with such quotient rounded up to the nearest whole cent. Such converted incentive stock options to purchase Issuer common shares are fully vested in accordance with the Merger Agreement and the Rollover Agreement and will expire on March 7, 2026."}],"balance_after":1196580,"derivative":{"exercise_price":0.87,"underlying":"Common Stock","underlying_shares":1196580},"source":{"system":"sec-edgar","filing":"0001144204-18-063950","document":"tv508756_4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1703956/000114420418063950/tv508756_4.xml","form_type":"4"}}]}