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Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F6","text":"Includes shares previously reported as restricted stock units."}],"balance_after":885848,"derivative":{"underlying":"Class A Common Stock","underlying_shares":500000},"source":{"system":"sec-edgar","filing":"0001628280-24-051046","document":"wk-form4_1734038359.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1419488/000162828024051046/wk-form4_1734038359.xml","form_type":"4"}},{"id":1333713,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32095,"kind":"person","name":"Chamoun George","position":1,"cik":"0001419488","reported_name":"Chamoun George","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class B Common Stock","published_at":"2024-12-12T21:19:25.000Z","date":"2024-12-11","kind":"exercise","planned":true,"acquired":false,"shares":139600,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F6","text":"Includes shares previously reported as restricted stock units."}],"balance_after":1385848,"derivative":{"underlying":"Class A Common Stock","underlying_shares":139600},"source":{"system":"sec-edgar","filing":"0001628280-24-051046","document":"wk-form4_1734038359.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1419488/000162828024051046/wk-form4_1734038359.xml","form_type":"4"}},{"id":1333712,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32095,"kind":"person","name":"Chamoun George","position":1,"cik":"0001419488","reported_name":"Chamoun George","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class B Common Stock","published_at":"2024-12-12T21:19:25.000Z","date":"2024-12-10","kind":"exercise","planned":true,"acquired":false,"shares":187717,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F6","text":"Includes shares previously reported as restricted stock units."}],"balance_after":1525448,"derivative":{"underlying":"Class A Common Stock","underlying_shares":187717},"source":{"system":"sec-edgar","filing":"0001628280-24-051046","document":"wk-form4_1734038359.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1419488/000162828024051046/wk-form4_1734038359.xml","form_type":"4"}},{"id":1333711,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32095,"kind":"person","name":"Chamoun George","position":1,"cik":"0001419488","reported_name":"Chamoun George","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2024-12-12T21:19:25.000Z","date":"2024-12-12","kind":"gift","planned":true,"acquired":false,"shares":250000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F5","text":"Represents a gift of shares to an irrevocable trust which is administered by an independent trustee established for the benefit of certain members of the Reporting Person's family."}],"balance_after":872404,"source":{"system":"sec-edgar","filing":"0001628280-24-051046","document":"wk-form4_1734038359.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1419488/000162828024051046/wk-form4_1734038359.xml","form_type":"4"}},{"id":1333710,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32095,"kind":"person","name":"Chamoun George","position":1,"cik":"0001419488","reported_name":"Chamoun George","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2024-12-12T21:19:25.000Z","date":"2024-12-12","kind":"gift","planned":true,"acquired":false,"shares":250000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F5","text":"Represents a gift of shares to an irrevocable trust which is administered by an independent trustee established for the benefit of certain members of the Reporting Person's family."}],"balance_after":1122404,"source":{"system":"sec-edgar","filing":"0001628280-24-051046","document":"wk-form4_1734038359.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1419488/000162828024051046/wk-form4_1734038359.xml","form_type":"4"}},{"id":1333709,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32095,"kind":"person","name":"Chamoun George","position":1,"cik":"0001419488","reported_name":"Chamoun George","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2024-12-12T21:19:25.000Z","date":"2024-12-12","kind":"exercise","planned":true,"acquired":true,"shares":500000,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."}],"balance_after":1372404,"source":{"system":"sec-edgar","filing":"0001628280-24-051046","document":"wk-form4_1734038359.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1419488/000162828024051046/wk-form4_1734038359.xml","form_type":"4"}},{"id":1333708,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32095,"kind":"person","name":"Chamoun George","position":1,"cik":"0001419488","reported_name":"Chamoun George","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2024-12-12T21:19:25.000Z","date":"2024-12-11","kind":"sale","planned":true,"acquired":false,"shares":139600,"price":21.66,"value":3023736.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares sold pursuant to a Rule 10b5-1 trading plan entered into on June 14, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $21.36 to $21.94 inclusive. The Reporting Person undertakes to\nprovide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares at each separate price within\nthe range set forth in this footnote."}],"balance_after":872404,"source":{"system":"sec-edgar","filing":"0001628280-24-051046","document":"wk-form4_1734038359.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1419488/000162828024051046/wk-form4_1734038359.xml","form_type":"4"}},{"id":1333707,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32095,"kind":"person","name":"Chamoun George","position":1,"cik":"0001419488","reported_name":"Chamoun George","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2024-12-12T21:19:25.000Z","date":"2024-12-11","kind":"exercise","planned":true,"acquired":true,"shares":139600,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."}],"balance_after":1012004,"source":{"system":"sec-edgar","filing":"0001628280-24-051046","document":"wk-form4_1734038359.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1419488/000162828024051046/wk-form4_1734038359.xml","form_type":"4"}},{"id":1333706,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32095,"kind":"person","name":"Chamoun George","position":1,"cik":"0001419488","reported_name":"Chamoun George","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2024-12-12T21:19:25.000Z","date":"2024-12-10","kind":"sale","planned":true,"acquired":false,"shares":210400,"price":21.64,"value":4553056.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares sold pursuant to a Rule 10b5-1 trading plan entered into on June 14, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $21.16 to $22.07 inclusive. The Reporting Person undertakes to\nprovide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares at each separate price within\nthe range set forth in this footnote."}],"balance_after":872404,"source":{"system":"sec-edgar","filing":"0001628280-24-051046","document":"wk-form4_1734038359.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1419488/000162828024051046/wk-form4_1734038359.xml","form_type":"4"}},{"id":1333705,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32095,"kind":"person","name":"Chamoun George","position":1,"cik":"0001419488","reported_name":"Chamoun George","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2024-12-12T21:19:25.000Z","date":"2024-12-10","kind":"exercise","planned":true,"acquired":true,"shares":187717,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."}],"balance_after":1082804,"source":{"system":"sec-edgar","filing":"0001628280-24-051046","document":"wk-form4_1734038359.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1419488/000162828024051046/wk-form4_1734038359.xml","form_type":"4"}},{"id":1391749,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32095,"kind":"person","name":"Chamoun George","position":1,"cik":"0001419488","reported_name":"Chamoun George","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class B Common Stock","published_at":"2024-10-03T21:36:24.000Z","date":"2024-10-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":23691,"price":19.77,"value":468371.07,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."},{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were withheld by the Issuer to cover the tax liability upon the vesting of a time-based restricted stock unit previously granted, and does not represent a discretionary sale by the reporting person"},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares previously reported as restricted stock 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Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Includes shares previously reported as restricted stock units."}],"balance_after":1736856,"derivative":{"underlying":"Class A Common Stock","underlying_shares":238637},"source":{"system":"sec-edgar","filing":"0001628280-24-040956","document":"wk-form4_1726781997.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1419488/000162828024040956/wk-form4_1726781997.xml","form_type":"4"}},{"id":1402257,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32095,"kind":"person","name":"Chamoun George","position":1,"cik":"0001419488","reported_name":"Chamoun George","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class B Common Stock","published_at":"2024-09-19T21:40:03.000Z","date":"2024-09-17","kind":"exercise","planned":true,"acquired":false,"shares":111363,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Includes shares previously reported as restricted stock units."}],"balance_after":1975493,"derivative":{"underlying":"Class A Common Stock","underlying_shares":111363},"source":{"system":"sec-edgar","filing":"0001628280-24-040956","document":"wk-form4_1726781997.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1419488/000162828024040956/wk-form4_1726781997.xml","form_type":"4"}},{"id":1402256,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32095,"kind":"person","name":"Chamoun George","position":1,"cik":"0001419488","reported_name":"Chamoun George","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2024-09-19T21:40:03.000Z","date":"2024-09-18","kind":"sale","planned":true,"acquired":false,"shares":238637,"price":20.37,"value":4861035.69,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares sold pursuant to a Rule 10b5-1 trading plan entered into on June 14, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.22 to $20.68 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares at each separate price within the range set forth in this footnote."}],"balance_after":928166,"source":{"system":"sec-edgar","filing":"0001628280-24-040956","document":"wk-form4_1726781997.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1419488/000162828024040956/wk-form4_1726781997.xml","form_type":"4"}},{"id":1402255,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32095,"kind":"person","name":"Chamoun George","position":1,"cik":"0001419488","reported_name":"Chamoun George","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2024-09-19T21:40:03.000Z","date":"2024-09-18","kind":"exercise","planned":true,"acquired":true,"shares":238637,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."}],"balance_after":1166803,"source":{"system":"sec-edgar","filing":"0001628280-24-040956","document":"wk-form4_1726781997.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1419488/000162828024040956/wk-form4_1726781997.xml","form_type":"4"}},{"id":1402254,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32095,"kind":"person","name":"Chamoun George","position":1,"cik":"0001419488","reported_name":"Chamoun George","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2024-09-19T21:40:03.000Z","date":"2024-09-17","kind":"sale","planned":true,"acquired":false,"shares":111363,"price":20.27,"value":2257328.01,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares sold pursuant to a Rule 10b5-1 trading plan entered into on June 14, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.60 to $20.49 inclusive. 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Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares previously reported as restricted stock 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person"}],"balance_after":937588,"source":{"system":"sec-edgar","filing":"0001628280-24-031180","document":"wk-form4_1720040981.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1419488/000162828024031180/wk-form4_1720040981.xml","form_type":"4"}},{"id":1459685,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32095,"kind":"person","name":"Chamoun George","position":1,"cik":"0001419488","reported_name":"Chamoun George","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2024-07-03T21:09:47.000Z","date":"2024-07-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":10256,"price":17.5,"value":179480.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were withheld by the Issuer to cover the tax liability upon the vesting of a time-based restricted stock unit previously granted, and does not represent a discretionary sale by the reporting person"}],"balance_after":950989,"source":{"system":"sec-edgar","filing":"0001628280-24-031180","document":"wk-form4_1720040981.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1419488/000162828024031180/wk-form4_1720040981.xml","form_type":"4"}},{"id":1471935,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32095,"kind":"person","name":"Chamoun George","position":1,"cik":"0001419488","reported_name":"Chamoun George","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class B Common Stock","published_at":"2024-06-21T21:55:09.000Z","date":"2024-06-21","kind":"exercise","planned":true,"acquired":false,"shares":140525,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F6","text":"Includes shares previously reported as restricted stock units."}],"balance_after":2110546,"derivative":{"underlying":"Class A Common Stock","underlying_shares":140525},"source":{"system":"sec-edgar","filing":"0001628280-24-029382","document":"wk-form4_1719006901.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1419488/000162828024029382/wk-form4_1719006901.xml","form_type":"4"}},{"id":1471934,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32095,"kind":"person","name":"Chamoun George","position":1,"cik":"0001419488","reported_name":"Chamoun George","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class B Common Stock","published_at":"2024-06-21T21:55:09.000Z","date":"2024-06-20","kind":"exercise","planned":true,"acquired":false,"shares":131480,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F6","text":"Includes shares previously reported as restricted stock units."}],"balance_after":2251071,"derivative":{"underlying":"Class A Common Stock","underlying_shares":131480},"source":{"system":"sec-edgar","filing":"0001628280-24-029382","document":"wk-form4_1719006901.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1419488/000162828024029382/wk-form4_1719006901.xml","form_type":"4"}},{"id":1471933,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32095,"kind":"person","name":"Chamoun George","position":1,"cik":"0001419488","reported_name":"Chamoun George","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class B Common Stock","published_at":"2024-06-21T21:55:09.000Z","date":"2024-06-18","kind":"exercise","planned":true,"acquired":false,"shares":77995,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F6","text":"Includes shares previously reported as restricted stock units."}],"balance_after":2382551,"derivative":{"underlying":"Class A Common Stock","underlying_shares":77995},"source":{"system":"sec-edgar","filing":"0001628280-24-029382","document":"wk-form4_1719006901.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1419488/000162828024029382/wk-form4_1719006901.xml","form_type":"4"}},{"id":1471932,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32095,"kind":"person","name":"Chamoun George","position":1,"cik":"0001419488","reported_name":"Chamoun George","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2024-06-21T21:55:09.000Z","date":"2024-06-21","kind":"sale","planned":true,"acquired":false,"shares":140525,"price":17.71,"value":2488697.75,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares sold pursuant to a Rule 10b5-1 trading plan entered into on September 15, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":".The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $17.40 to $17.91 inclusive. The Reporting Person undertakes to provide to the Issuer,  any security holder of the Issuer, 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."}],"balance_after":961245,"source":{"system":"sec-edgar","filing":"0001628280-24-029382","document":"wk-form4_1719006901.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1419488/000162828024029382/wk-form4_1719006901.xml","form_type":"4"}},{"id":1471931,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32095,"kind":"person","name":"Chamoun George","position":1,"cik":"0001419488","reported_name":"Chamoun George","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2024-06-21T21:55:09.000Z","date":"2024-06-21","kind":"exercise","planned":true,"acquired":true,"shares":140525,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."}],"balance_after":1101770,"source":{"system":"sec-edgar","filing":"0001628280-24-029382","document":"wk-form4_1719006901.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1419488/000162828024029382/wk-form4_1719006901.xml","form_type":"4"}},{"id":1471930,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32095,"kind":"person","name":"Chamoun George","position":1,"cik":"0001419488","reported_name":"Chamoun George","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2024-06-21T21:55:09.000Z","date":"2024-06-20","kind":"sale","planned":true,"acquired":false,"shares":131480,"price":17.62,"value":2316677.6,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares sold pursuant to a Rule 10b5-1 trading plan entered into on September 15, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $17.24 to $18.09 inclusive. The Reporting Person undertakes to provide to the Issuer,  any security holder of the Issuer, 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."}],"balance_after":961245,"source":{"system":"sec-edgar","filing":"0001628280-24-029382","document":"wk-form4_1719006901.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1419488/000162828024029382/wk-form4_1719006901.xml","form_type":"4"}},{"id":1471929,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32095,"kind":"person","name":"Chamoun George","position":1,"cik":"0001419488","reported_name":"Chamoun George","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2024-06-21T21:55:09.000Z","date":"2024-06-20","kind":"exercise","planned":true,"acquired":true,"shares":131480,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."}],"balance_after":1092725,"source":{"system":"sec-edgar","filing":"0001628280-24-029382","document":"wk-form4_1719006901.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1419488/000162828024029382/wk-form4_1719006901.xml","form_type":"4"}},{"id":1471928,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32095,"kind":"person","name":"Chamoun George","position":1,"cik":"0001419488","reported_name":"Chamoun George","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2024-06-21T21:55:09.000Z","date":"2024-06-18","kind":"sale","planned":true,"acquired":false,"shares":77995,"price":17.71,"value":1381291.45,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares sold pursuant to a Rule 10b5-1 trading plan entered into on September 15, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $17.51 to $17.86 inclusive. The Reporting Person\nundertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares\nsold at each separate price within the range set forth in this footnote."}],"balance_after":961245,"source":{"system":"sec-edgar","filing":"0001628280-24-029382","document":"wk-form4_1719006901.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1419488/000162828024029382/wk-form4_1719006901.xml","form_type":"4"}},{"id":1471927,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32095,"kind":"person","name":"Chamoun George","position":1,"cik":"0001419488","reported_name":"Chamoun George","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2024-06-21T21:55:09.000Z","date":"2024-06-18","kind":"exercise","planned":true,"acquired":true,"shares":77995,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."}],"balance_after":1039240,"source":{"system":"sec-edgar","filing":"0001628280-24-029382","document":"wk-form4_1719006901.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1419488/000162828024029382/wk-form4_1719006901.xml","form_type":"4"}},{"id":1494988,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32095,"kind":"person","name":"Chamoun George","position":1,"cik":"0001419488","reported_name":"Chamoun George","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2024-06-03T21:41:03.000Z","date":"2024-05-29","kind":"grant","planned":false,"acquired":true,"shares":91705,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The PSUs will vest in one-third installments on each of July 1, 2025, 2026 and 2027, or later upon the date on or prior to July 1, 2027 that the Registrant's Class A Common Stock achieves a specified average price, as measured over a 30- trading day period, subject to the Reporting Person's continuous service through the relevant vesting date."}],"balance_after":961245,"source":{"system":"sec-edgar","filing":"0001628280-24-026434","document":"wk-form4_1717450855.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1419488/000162828024026434/wk-form4_1717450855.xml","form_type":"4"}},{"id":1497725,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32095,"kind":"person","name":"Chamoun George","position":1,"cik":"0001419488","reported_name":"Chamoun George","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2024-05-30T20:43:00.000Z","date":"2024-05-29","kind":"grant","planned":false,"acquired":true,"shares":295276,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a restricted stock unit (\"RSU\") award.  The RSUs will vest in sixteen (16) substantially equal installments beginning July 1, 2024, subject to the Reporting Person's continuous service through each such date."}],"balance_after":869540,"source":{"system":"sec-edgar","filing":"0001628280-24-025825","document":"wk-form4_1717101766.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1419488/000162828024025825/wk-form4_1717101766.xml","form_type":"4"}},{"id":1549230,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32095,"kind":"person","name":"Chamoun George","position":1,"cik":"0001419488","reported_name":"Chamoun George","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class B Common Stock","published_at":"2024-04-03T21:32:19.000Z","date":"2024-04-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":23691,"price":18.28,"value":433071.48,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."},{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were withheld by the Issuer to cover the tax liability upon the vesting of a time-based restricted stock unit previously granted, and does not represent a discretionary sale by the reporting person."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares previously reported as restricted stock units."}],"balance_after":2460546,"derivative":{"underlying":"Class A Common Stock","underlying_shares":23691},"source":{"system":"sec-edgar","filing":"0001628280-24-014688","document":"wk-form4_1712179921.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1419488/000162828024014688/wk-form4_1712179921.xml","form_type":"4"}},{"id":1549229,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32095,"kind":"person","name":"Chamoun George","position":1,"cik":"0001419488","reported_name":"Chamoun George","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2024-04-03T21:32:19.000Z","date":"2024-04-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":13401,"price":18.28,"value":244970.28,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were withheld by the Issuer to cover the tax liability upon the vesting of a time-based restricted stock unit previously granted, and does not represent a discretionary sale by the reporting person."}],"balance_after":574264,"source":{"system":"sec-edgar","filing":"0001628280-24-014688","document":"wk-form4_1712179921.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1419488/000162828024014688/wk-form4_1712179921.xml","form_type":"4"}},{"id":1549228,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32095,"kind":"person","name":"Chamoun George","position":1,"cik":"0001419488","reported_name":"Chamoun George","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2024-04-03T21:32:19.000Z","date":"2024-04-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":10256,"price":18.28,"value":187479.68,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were withheld by the Issuer to cover the tax liability upon the vesting of a time-based restricted stock unit previously granted, and does not represent a discretionary sale by the reporting person."}],"balance_after":587665,"source":{"system":"sec-edgar","filing":"0001628280-24-014688","document":"wk-form4_1712179921.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1419488/000162828024014688/wk-form4_1712179921.xml","form_type":"4"}},{"id":1564721,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32095,"kind":"person","name":"Chamoun George","position":1,"cik":"0001419488","reported_name":"Chamoun George","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class B Common Stock","published_at":"2024-03-21T23:32:34.000Z","date":"2024-03-21","kind":"exercise","planned":true,"acquired":false,"shares":120062,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F6","text":"Includes shares previously reported as restricted stock units."}],"balance_after":2484237,"derivative":{"underlying":"Class A Common Stock","underlying_shares":120062},"source":{"system":"sec-edgar","filing":"0000950170-24-034941","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1419488/000095017024034941/ownership.xml","form_type":"4"}},{"id":1564720,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32095,"kind":"person","name":"Chamoun George","position":1,"cik":"0001419488","reported_name":"Chamoun George","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class B Common Stock","published_at":"2024-03-21T23:32:34.000Z","date":"2024-03-20","kind":"exercise","planned":true,"acquired":false,"shares":77198,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F6","text":"Includes shares previously reported as restricted stock units."}],"balance_after":2604299,"derivative":{"underlying":"Class A Common Stock","underlying_shares":77198},"source":{"system":"sec-edgar","filing":"0000950170-24-034941","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1419488/000095017024034941/ownership.xml","form_type":"4"}},{"id":1564719,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32095,"kind":"person","name":"Chamoun George","position":1,"cik":"0001419488","reported_name":"Chamoun George","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class B Common Stock","published_at":"2024-03-21T23:32:34.000Z","date":"2024-03-19","kind":"exercise","planned":true,"acquired":false,"shares":124999,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the reporting person; and (3) the final conversion date, defined as the earlier of (a) the last trading day of the fiscal quarter immediately following the tenth anniversary of the effective date of the Issuer's tenth amended and restated certificate of incorporation; (b) the last trading day of the fiscal quarter during which the then-outstanding shares of Class B Common Stock first represent less than 5% of the aggregate number of then-outstanding shares of Class A Common Stock and Class B Common Stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F6","text":"Includes shares previously reported as restricted stock units."}],"balance_after":2681497,"derivative":{"underlying":"Class A Common Stock","underlying_shares":124999},"source":{"system":"sec-edgar","filing":"0000950170-24-034941","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1419488/000095017024034941/ownership.xml","form_type":"4"}},{"id":1564718,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32095,"kind":"person","name":"Chamoun George","position":1,"cik":"0001419488","reported_name":"Chamoun George","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2024-03-21T23:32:34.000Z","date":"2024-03-21","kind":"sale","planned":true,"acquired":false,"shares":120062,"price":19.14,"value":2297986.68,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares sold pursuant to a Rule 10b5-1 trading plan entered into on September 15, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $18.83 to $19.31 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, 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."}],"balance_after":597921,"source":{"system":"sec-edgar","filing":"0000950170-24-034941","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1419488/000095017024034941/ownership.xml","form_type":"4"}}],"next_cursor":"2024-03-21T23:32:34.000000Z,1564718"}