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There was no change to any rights related to the stock."},{"field":"shares","element":"transactionShares","label":"F3","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":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes 1,079 shares acquired pursuant to the Company's 2021 Employee Stock Purchase Plan (\"ESPP\") for the purchase period of 12/1/2024 to 5/31/2025."}],"balance_after":355799,"source":{"system":"sec-edgar","filing":"0001628280-25-034349","document":"wk-form4_1751581473.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000162828025034349/wk-form4_1751581473.xml","form_type":"4"}},{"id":1092665,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Common Stock","published_at":"2025-07-03T22:24:42.000Z","date":"2025-07-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":5185,"price":16.48,"value":85448.8,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"The company's stock previously referred to as Class A Common Stock is now referred to as Common Stock following changes made to the company's articles of incorporation. There was no change to any rights related to the stock."},{"field":"shares","element":"transactionShares","label":"F3","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":359151,"source":{"system":"sec-edgar","filing":"0001628280-25-034349","document":"wk-form4_1751581473.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000162828025034349/wk-form4_1751581473.xml","form_type":"4"}},{"id":1092664,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Common Stock","published_at":"2025-07-03T22:24:42.000Z","date":"2025-07-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":3645,"price":16.48,"value":60069.6,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"The company's stock previously referred to as Class A Common Stock is now referred to as Common Stock following changes made to the company's articles of incorporation. There was no change to any rights related to the stock."},{"field":"shares","element":"transactionShares","label":"F3","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":364336,"source":{"system":"sec-edgar","filing":"0001628280-25-034349","document":"wk-form4_1751581473.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000162828025034349/wk-form4_1751581473.xml","form_type":"4"}},{"id":1092663,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Common Stock","published_at":"2025-07-03T22:24:42.000Z","date":"2024-05-28","kind":"other","planned":false,"acquired":false,"shares":40102,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"The company's stock previously referred to as Class A Common Stock is now referred to as Common Stock following changes made to the company's articles of incorporation. There was no change to any rights related to the stock."},{"field":"shares","element":"transactionShares","label":"F2","text":"In a Form 4 filed on June 3, 2024 the PSU grant reflected here, due to an administrative error, was reported as Class A Common Stock in Table I rather than a PSU grant in Table II. The PSUs are hereby being removed from Table I and correctly reported in Table II."}],"balance_after":367981,"source":{"system":"sec-edgar","filing":"0001628280-25-034349","document":"wk-form4_1751581473.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000162828025034349/wk-form4_1751581473.xml","form_type":"4"}},{"id":1177742,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class A Common Stock","published_at":"2025-04-04T21:52:53.000Z","date":"2025-04-02","kind":"grant","planned":false,"acquired":true,"shares":128174,"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, 2025, subject to the Reporting Person's continuous service through each such date."}],"balance_after":408083,"source":{"system":"sec-edgar","filing":"0001628280-25-016879","document":"wk-form4_1743803567.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000162828025016879/wk-form4_1743803567.xml","form_type":"4"}},{"id":1179958,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class A Common 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The RSUs vested 100% upon grant on March 4, 2025."}],"balance_after":314524,"source":{"system":"sec-edgar","filing":"0001628280-25-011004","document":"wk-form4_1741299632.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000162828025011004/wk-form4_1741299632.xml","form_type":"4"}},{"id":1267549,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class B Common Stock","published_at":"2025-02-14T21:51:01.000Z","date":"2024-12-31","kind":"exercise","planned":false,"acquired":false,"shares":31907,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On December 31, 2024, which was the \"Final Conversion Date\" as defined in the Issuer's amended and restated certificate of incorporation, each share of the Issuer's Class B Common Stock automatically converted into one share of Class A Common Stock per the amended and restated certificate of incorporation."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On December 31, 2024, which was the \"Final Conversion Date\" as defined in the Issuer's amended and restated certificate of incorporation, each share of the Issuer's Class B Common Stock automatically converted into one share of Class A Common Stock per the amended and restated certificate of incorporation."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"On December 31, 2024, which was the \"Final Conversion Date\" as defined in the Issuer's amended and restated certificate of incorporation, each share of the Issuer's Class B Common Stock automatically converted into one share of Class A Common Stock per the amended and restated certificate of incorporation."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":31907},"source":{"system":"sec-edgar","filing":"0001628280-25-005804","document":"wk-form4_1739569855.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000162828025005804/wk-form4_1739569855.xml","form_type":"4"}},{"id":1267548,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class A Common Stock","published_at":"2025-02-14T21:51:01.000Z","date":"2024-12-31","kind":"exercise","planned":false,"acquired":true,"shares":31907,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On December 31, 2024, which was the \"Final Conversion Date\" as defined in the Issuer's amended and restated certificate of incorporation, each share of the Issuer's Class B Common Stock automatically converted into one share of Class A Common Stock per the amended and restated certificate of incorporation."}],"balance_after":285120,"source":{"system":"sec-edgar","filing":"0001628280-25-005804","document":"wk-form4_1739569855.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000162828025005804/wk-form4_1739569855.xml","form_type":"4"}},{"id":1310980,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class B Common Stock","published_at":"2025-01-06T23:00:41.000Z","date":"2025-01-02","kind":"tax_withholding","planned":false,"acquired":false,"shares":6852,"price":20.94,"value":143480.88,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","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":"F3","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":"F3","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":"F4","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":38759,"derivative":{"underlying":"Class A Common Stock","underlying_shares":62295},"source":{"system":"sec-edgar","filing":"0001628280-24-050778","document":"wk-form4_1733952103.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000162828024050778/wk-form4_1733952103.xml","form_type":"4"}},{"id":1335844,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class B Common Stock","published_at":"2024-12-11T21:21:51.000Z","date":"2024-12-09","kind":"exercise","planned":true,"acquired":false,"shares":35000,"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":101054,"derivative":{"underlying":"Class A Common Stock","underlying_shares":35000},"source":{"system":"sec-edgar","filing":"0001628280-24-050778","document":"wk-form4_1733952103.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000162828024050778/wk-form4_1733952103.xml","form_type":"4"}},{"id":1335843,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class B Common Stock","published_at":"2024-12-11T21:21:51.000Z","date":"2024-12-09","kind":"exercise","planned":true,"acquired":true,"shares":35000,"price":2.44,"value":85400.0,"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":136054,"derivative":{"underlying":"Class A Common Stock","underlying_shares":35000},"source":{"system":"sec-edgar","filing":"0001628280-24-050778","document":"wk-form4_1733952103.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000162828024050778/wk-form4_1733952103.xml","form_type":"4"}},{"id":1335842,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2024-12-11T21:21:51.000Z","date":"2024-12-09","kind":"exercise","planned":true,"acquired":false,"shares":35000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"One-fourth (1/4th) of the shares subject to the option award vested on August 29, 2019, and thereafter one-forty-eighth of the shares subject to the option award vested monthly, subject to the Reporting Person's continuous service."}],"balance_after":0,"derivative":{"exercise_price":2.44,"expiration_date":"2029-08-29","underlying":"Class B Common Stock","underlying_shares":35000},"source":{"system":"sec-edgar","filing":"0001628280-24-050778","document":"wk-form4_1733952103.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000162828024050778/wk-form4_1733952103.xml","form_type":"4"}},{"id":1335841,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class B Common Stock","published_at":"2024-12-11T21:21:51.000Z","date":"2024-12-09","kind":"exercise","planned":true,"acquired":false,"shares":85563,"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":101054,"derivative":{"underlying":"Class A Common Stock","underlying_shares":85563},"source":{"system":"sec-edgar","filing":"0001628280-24-050778","document":"wk-form4_1733952103.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000162828024050778/wk-form4_1733952103.xml","form_type":"4"}},{"id":1335840,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class B Common Stock","published_at":"2024-12-11T21:21:51.000Z","date":"2024-12-09","kind":"exercise","planned":true,"acquired":true,"shares":85563,"price":0.66,"value":56471.58,"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":186617,"derivative":{"underlying":"Class A Common Stock","underlying_shares":85563},"source":{"system":"sec-edgar","filing":"0001628280-24-050778","document":"wk-form4_1733952103.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000162828024050778/wk-form4_1733952103.xml","form_type":"4"}},{"id":1335839,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2024-12-11T21:21:51.000Z","date":"2024-12-09","kind":"exercise","planned":true,"acquired":false,"shares":85563,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"One-fourth (1/4th) of the shares subject to the option award vested on June 7, 2019, and thereafter one-forty-eighth of the shares subject to the option award vested monthly, subject to the Reporting Person's continuous service."}],"balance_after":0,"derivative":{"exercise_price":0.66,"expiration_date":"2028-06-17","underlying":"Class B Common Stock","underlying_shares":85563},"source":{"system":"sec-edgar","filing":"0001628280-24-050778","document":"wk-form4_1733952103.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000162828024050778/wk-form4_1733952103.xml","form_type":"4"}},{"id":1335838,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class A Common Stock","published_at":"2024-12-11T21:21:51.000Z","date":"2024-12-09","kind":"sale","planned":true,"acquired":false,"shares":240563,"price":22.28,"value":5359743.64,"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 $22.03 to $22.75 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":258546,"source":{"system":"sec-edgar","filing":"0001628280-24-050778","document":"wk-form4_1733952103.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000162828024050778/wk-form4_1733952103.xml","form_type":"4"}},{"id":1335837,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class A Common Stock","published_at":"2024-12-11T21:21:51.000Z","date":"2024-12-09","kind":"exercise","planned":true,"acquired":true,"shares":62295,"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":499109,"source":{"system":"sec-edgar","filing":"0001628280-24-050778","document":"wk-form4_1733952103.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000162828024050778/wk-form4_1733952103.xml","form_type":"4"}},{"id":1335836,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class A Common Stock","published_at":"2024-12-11T21:21:51.000Z","date":"2024-12-09","kind":"exercise","planned":true,"acquired":true,"shares":120563,"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":436814,"source":{"system":"sec-edgar","filing":"0001628280-24-050778","document":"wk-form4_1733952103.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000162828024050778/wk-form4_1733952103.xml","form_type":"4"}},{"id":1392245,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class B Common Stock","published_at":"2024-10-03T21:38:30.000Z","date":"2024-10-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":6416,"price":19.77,"value":126844.32,"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. 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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.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. 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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":107470,"derivative":{"underlying":"Class A Common Stock","underlying_shares":7500},"source":{"system":"sec-edgar","filing":"0001628280-24-040515","document":"wk-form4_1726518885.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000162828024040515/wk-form4_1726518885.xml","form_type":"4"}},{"id":1406740,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class B Common Stock","published_at":"2024-09-16T20:34:53.000Z","date":"2024-09-12","kind":"exercise","planned":true,"acquired":true,"shares":7500,"price":0.66,"value":4950.0,"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":114970,"derivative":{"underlying":"Class A Common Stock","underlying_shares":7500},"source":{"system":"sec-edgar","filing":"0001628280-24-040515","document":"wk-form4_1726518885.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000162828024040515/wk-form4_1726518885.xml","form_type":"4"}},{"id":1406739,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2024-09-16T20:34:53.000Z","date":"2024-09-12","kind":"exercise","planned":true,"acquired":false,"shares":7500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"One-fourth (1/4th) of the shares subject to the option award vested on June 7, 2019, and thereafter one-forty-eighth of the shares subject to the option award vested monthly, subject to the Reporting Person's continuous service."}],"balance_after":85563,"derivative":{"exercise_price":0.66,"expiration_date":"2028-06-17","underlying":"Class B Common Stock","underlying_shares":7500},"source":{"system":"sec-edgar","filing":"0001628280-24-040515","document":"wk-form4_1726518885.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000162828024040515/wk-form4_1726518885.xml","form_type":"4"}},{"id":1406738,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class A Common Stock","published_at":"2024-09-16T20:34:53.000Z","date":"2024-09-12","kind":"sale","planned":true,"acquired":false,"shares":7500,"price":20,"value":150000.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares sold pursuant to a Rule 10b5-1 trading plan entered into on September 15, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"These shares were sold in multiple transactions but in each transaction the shares were sold for $20.00 per share.  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 such transactions."}],"balance_after":328167,"source":{"system":"sec-edgar","filing":"0001628280-24-040515","document":"wk-form4_1726518885.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000162828024040515/wk-form4_1726518885.xml","form_type":"4"}},{"id":1406737,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class A Common Stock","published_at":"2024-09-16T20:34:53.000Z","date":"2024-09-12","kind":"exercise","planned":true,"acquired":true,"shares":7500,"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":335667,"source":{"system":"sec-edgar","filing":"0001628280-24-040515","document":"wk-form4_1726518885.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000162828024040515/wk-form4_1726518885.xml","form_type":"4"}},{"id":1460313,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class B Common Stock","published_at":"2024-07-03T20:59:18.000Z","date":"2024-07-02","kind":"exercise","planned":true,"acquired":false,"shares":7500,"price":0,"value":0.0,"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":"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":"F5","text":"Includes shares previously reported as restricted stock units."}],"balance_after":107470,"derivative":{"underlying":"Class A Common Stock","underlying_shares":7500},"source":{"system":"sec-edgar","filing":"0001628280-24-031158","document":"wk-form4_1720040352.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000162828024031158/wk-form4_1720040352.xml","form_type":"4"}},{"id":1460312,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class B Common Stock","published_at":"2024-07-03T20:59:18.000Z","date":"2024-07-02","kind":"exercise","planned":true,"acquired":true,"shares":7500,"price":2.44,"value":18300.0,"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":"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":"F5","text":"Includes shares previously reported as restricted stock units."}],"balance_after":114970,"derivative":{"underlying":"Class A Common Stock","underlying_shares":7500},"source":{"system":"sec-edgar","filing":"0001628280-24-031158","document":"wk-form4_1720040352.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000162828024031158/wk-form4_1720040352.xml","form_type":"4"}},{"id":1460311,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2024-07-03T20:59:18.000Z","date":"2024-07-02","kind":"exercise","planned":true,"acquired":false,"shares":7500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"One-fourth (1/4th) of the shares subject to the option award vested on August 29, 2019, and thereafter one-forty-eighth of the shares subject to the option award vest monthly, subject to the Reporting Person's continuous service."}],"balance_after":35000,"derivative":{"exercise_price":2.44,"expiration_date":"2029-08-29","underlying":"Class B Common Stock","underlying_shares":7500},"source":{"system":"sec-edgar","filing":"0001628280-24-031158","document":"wk-form4_1720040352.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000162828024031158/wk-form4_1720040352.xml","form_type":"4"}},{"id":1460310,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class B Common Stock","published_at":"2024-07-03T20:59:18.000Z","date":"2024-07-01","kind":"tax_withholding","planned":true,"acquired":false,"shares":6416,"price":17.5,"value":112280.0,"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":"F5","text":"Includes shares previously reported as restricted stock units."}],"balance_after":107470,"derivative":{"underlying":"Class A Common Stock","underlying_shares":6416},"source":{"system":"sec-edgar","filing":"0001628280-24-031158","document":"wk-form4_1720040352.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000162828024031158/wk-form4_1720040352.xml","form_type":"4"}},{"id":1460309,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class A Common Stock","published_at":"2024-07-03T20:59:18.000Z","date":"2024-07-02","kind":"sale","planned":true,"acquired":false,"shares":7500,"price":17.81,"value":133575.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","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 $17.50 to $18.02 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":328167,"source":{"system":"sec-edgar","filing":"0001628280-24-031158","document":"wk-form4_1720040352.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000162828024031158/wk-form4_1720040352.xml","form_type":"4"}},{"id":1460308,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class A Common Stock","published_at":"2024-07-03T20:59:18.000Z","date":"2024-07-02","kind":"exercise","planned":true,"acquired":true,"shares":7500,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","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."}],"balance_after":335667,"source":{"system":"sec-edgar","filing":"0001628280-24-031158","document":"wk-form4_1720040352.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000162828024031158/wk-form4_1720040352.xml","form_type":"4"}},{"id":1460307,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class A Common Stock","published_at":"2024-07-03T20:59:18.000Z","date":"2024-07-01","kind":"tax_withholding","planned":true,"acquired":false,"shares":3645,"price":17.5,"value":63787.5,"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":328167,"source":{"system":"sec-edgar","filing":"0001628280-24-031158","document":"wk-form4_1720040352.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000162828024031158/wk-form4_1720040352.xml","form_type":"4"}},{"id":1460306,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class A Common 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person"}],"balance_after":336997,"source":{"system":"sec-edgar","filing":"0001628280-24-031158","document":"wk-form4_1720040352.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000162828024031158/wk-form4_1720040352.xml","form_type":"4"}},{"id":1495311,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class A Common Stock","published_at":"2024-06-03T21:44:28.000Z","date":"2024-05-28","kind":"grant","planned":false,"acquired":true,"shares":40102,"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":340083,"source":{"system":"sec-edgar","filing":"0001628280-24-026438","document":"wk-form4_1717451059.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000162828024026438/wk-form4_1717451059.xml","form_type":"4"}},{"id":1498029,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class A Common Stock","published_at":"2024-05-30T20:49:47.000Z","date":"2024-05-28","kind":"grant","planned":false,"acquired":true,"shares":105456,"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":299981,"source":{"system":"sec-edgar","filing":"0001628280-24-025833","document":"wk-form4_1717102178.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000162828024025833/wk-form4_1717102178.xml","form_type":"4"}},{"id":1543199,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class B Common Stock","published_at":"2024-04-11T20:09:47.000Z","date":"2024-04-09","kind":"exercise","planned":true,"acquired":false,"shares":7500,"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":113886,"derivative":{"underlying":"Class A Common Stock","underlying_shares":7500},"source":{"system":"sec-edgar","filing":"0001628280-24-015810","document":"wk-form4_1712866177.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000162828024015810/wk-form4_1712866177.xml","form_type":"4"}},{"id":1543198,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class B Common Stock","published_at":"2024-04-11T20:09:47.000Z","date":"2024-04-09","kind":"exercise","planned":true,"acquired":true,"shares":7500,"price":2.44,"value":18300.0,"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":121386,"derivative":{"underlying":"Class A Common Stock","underlying_shares":7500},"source":{"system":"sec-edgar","filing":"0001628280-24-015810","document":"wk-form4_1712866177.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000162828024015810/wk-form4_1712866177.xml","form_type":"4"}},{"id":1543197,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2024-04-11T20:09:47.000Z","date":"2024-04-09","kind":"exercise","planned":true,"acquired":false,"shares":7500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"One-fourth (1/4th) of the shares subject to the option award vested on August 29, 2019, and thereafter one-forty-eighth of the shares subject to the option award vest monthly, subject to the Reporting Person's continuous service."}],"balance_after":42500,"derivative":{"exercise_price":2.44,"expiration_date":"2029-08-29","underlying":"Class B Common Stock","underlying_shares":7500},"source":{"system":"sec-edgar","filing":"0001628280-24-015810","document":"wk-form4_1712866177.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000162828024015810/wk-form4_1712866177.xml","form_type":"4"}},{"id":1543196,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class A Common Stock","published_at":"2024-04-11T20:09:47.000Z","date":"2024-04-09","kind":"sale","planned":true,"acquired":false,"shares":7500,"price":18.5,"value":138750.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares sold pursuant to a Rule 10b5-1 trading plan entered into on 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 $18.25 to $18.70 inclusive. The Reporting Person undertakes\nto 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":194525,"source":{"system":"sec-edgar","filing":"0001628280-24-015810","document":"wk-form4_1712866177.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000162828024015810/wk-form4_1712866177.xml","form_type":"4"}},{"id":1543195,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class A Common Stock","published_at":"2024-04-11T20:09:47.000Z","date":"2024-04-09","kind":"exercise","planned":true,"acquired":true,"shares":7500,"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":202025,"source":{"system":"sec-edgar","filing":"0001628280-24-015810","document":"wk-form4_1712866177.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000162828024015810/wk-form4_1712866177.xml","form_type":"4"}},{"id":1550096,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class B Common Stock","published_at":"2024-04-03T21:30:06.000Z","date":"2024-04-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":6416,"price":18.28,"value":117284.48,"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":113886,"derivative":{"underlying":"Class A Common Stock","underlying_shares":6416},"source":{"system":"sec-edgar","filing":"0001628280-24-014684","document":"wk-form4_1712179790.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000162828024014684/wk-form4_1712179790.xml","form_type":"4"}},{"id":1550095,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class A Common Stock","published_at":"2024-04-03T21:30:06.000Z","date":"2024-04-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":5185,"price":18.28,"value":94781.8,"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":194525,"source":{"system":"sec-edgar","filing":"0001628280-24-014684","document":"wk-form4_1712179790.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000162828024014684/wk-form4_1712179790.xml","form_type":"4"}},{"id":1550094,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class A Common Stock","published_at":"2024-04-03T21:30:06.000Z","date":"2024-04-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":3087,"price":18.28,"value":56430.36,"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":199710,"source":{"system":"sec-edgar","filing":"0001628280-24-014684","document":"wk-form4_1712179790.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000162828024014684/wk-form4_1712179790.xml","form_type":"4"}},{"id":1557628,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class B Common Stock","published_at":"2024-03-29T20:01:52.000Z","date":"2024-03-28","kind":"exercise","planned":true,"acquired":false,"shares":5000,"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":120302,"derivative":{"underlying":"Class A Common Stock","underlying_shares":5000},"source":{"system":"sec-edgar","filing":"0000950170-24-038619","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000095017024038619/ownership.xml","form_type":"4"}},{"id":1557627,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class B Common Stock","published_at":"2024-03-29T20:01:52.000Z","date":"2024-03-28","kind":"exercise","planned":true,"acquired":true,"shares":5000,"price":0.66,"value":3300.0,"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":125302,"derivative":{"underlying":"Class A Common Stock","underlying_shares":5000},"source":{"system":"sec-edgar","filing":"0000950170-24-038619","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000095017024038619/ownership.xml","form_type":"4"}},{"id":1557626,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2024-03-29T20:01:52.000Z","date":"2024-03-28","kind":"exercise","planned":true,"acquired":false,"shares":5000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"One-fourth (1/4th) of the shares subject to the option award vested on June 7, 2019, and thereafter one-forty-eighth of the shares subject to the option award vest monthly, subject to the Reporting Person's continuous service."}],"balance_after":93063,"derivative":{"exercise_price":0.66,"expiration_date":"2028-06-17","underlying":"Class B Common Stock","underlying_shares":5000},"source":{"system":"sec-edgar","filing":"0000950170-24-038619","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000095017024038619/ownership.xml","form_type":"4"}},{"id":1557625,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class A Common Stock","published_at":"2024-03-29T20:01:52.000Z","date":"2024-03-28","kind":"sale","planned":true,"acquired":false,"shares":5000,"price":19.07,"value":95350.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares sold pursuant to a Rule 10b5-1 trading plan entered into on 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 $19.00 to $19.19 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":202797,"source":{"system":"sec-edgar","filing":"0000950170-24-038619","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000095017024038619/ownership.xml","form_type":"4"}},{"id":1557624,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class A Common Stock","published_at":"2024-03-29T20:01:52.000Z","date":"2024-03-28","kind":"exercise","planned":true,"acquired":true,"shares":5000,"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":207797,"source":{"system":"sec-edgar","filing":"0000950170-24-038619","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000095017024038619/ownership.xml","form_type":"4"}},{"id":1610245,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class B Common Stock","published_at":"2024-02-29T22:00:58.000Z","date":"2024-02-28","kind":"exercise","planned":true,"acquired":false,"shares":5000,"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":120302,"derivative":{"underlying":"Class A Common Stock","underlying_shares":5000},"source":{"system":"sec-edgar","filing":"0000950170-24-023238","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000095017024023238/ownership.xml","form_type":"4"}},{"id":1610244,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class B Common Stock","published_at":"2024-02-29T22:00:58.000Z","date":"2024-02-28","kind":"exercise","planned":true,"acquired":true,"shares":5000,"price":0.66,"value":3300.0,"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":125302,"derivative":{"underlying":"Class A Common Stock","underlying_shares":5000},"source":{"system":"sec-edgar","filing":"0000950170-24-023238","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000095017024023238/ownership.xml","form_type":"4"}},{"id":1610243,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2024-02-29T22:00:58.000Z","date":"2024-02-28","kind":"exercise","planned":true,"acquired":false,"shares":5000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"One-fourth (1/4th) of the shares subject to the option award vested on June 7, 2019, and thereafter one-forty-eighth of the shares subject to the option award vest monthly, subject to the Reporting Person's continuous service."}],"balance_after":98063,"derivative":{"exercise_price":0.66,"expiration_date":"2028-06-17","underlying":"Class B Common Stock","underlying_shares":5000},"source":{"system":"sec-edgar","filing":"0000950170-24-023238","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000095017024023238/ownership.xml","form_type":"4"}},{"id":1610242,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class A Common Stock","published_at":"2024-02-29T22:00:58.000Z","date":"2024-02-28","kind":"sale","planned":true,"acquired":false,"shares":5000,"price":18,"value":90000.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares sold pursuant to a Rule 10b5-1 trading plan entered into on September 15, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"These shares were sold in a single transaction for $18.00 per share."}],"balance_after":202797,"source":{"system":"sec-edgar","filing":"0000950170-24-023238","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000095017024023238/ownership.xml","form_type":"4"}},{"id":1610241,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class A Common Stock","published_at":"2024-02-29T22:00:58.000Z","date":"2024-02-28","kind":"exercise","planned":true,"acquired":true,"shares":5000,"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":207797,"source":{"system":"sec-edgar","filing":"0000950170-24-023238","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000095017024023238/ownership.xml","form_type":"4"}},{"id":1616186,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class A Common Stock","published_at":"2024-02-27T21:14:54.000Z","date":"2024-02-23","kind":"tax_withholding","planned":false,"acquired":false,"shares":13945,"price":16.52,"value":230371.4,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","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":202797,"source":{"system":"sec-edgar","filing":"0000950170-24-021157","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000095017024021157/ownership.xml","form_type":"4"}},{"id":1616185,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class A Common Stock","published_at":"2024-02-27T21:14:54.000Z","date":"2024-02-23","kind":"grant","planned":false,"acquired":true,"shares":25216,"price":16.52,"value":416568.32,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Grant of Restricted Stock Units vesting 100% on February 23, 2024, issued pursuant to the Company's 2023 Target Bonus Program whereby targets defined by the Compensation Committee were deemed to be achieved by the Board of Directors for fiscal year 2023."}],"balance_after":216742,"source":{"system":"sec-edgar","filing":"0000950170-24-021157","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000095017024021157/ownership.xml","form_type":"4"}},{"id":1688239,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class B Common Stock","published_at":"2024-01-04T23:50:56.000Z","date":"2024-01-03","kind":"exercise","planned":true,"acquired":false,"shares":48297,"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":"F8","text":"Includes shares previously reported as restricted stock units."}],"balance_after":120302,"derivative":{"underlying":"Class A Common Stock","underlying_shares":48297},"source":{"system":"sec-edgar","filing":"0000950170-24-002166","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":18,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000095017024002166/ownership.xml","form_type":"4"}},{"id":1688238,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class B Common Stock","published_at":"2024-01-04T23:50:56.000Z","date":"2024-01-03","kind":"exercise","planned":true,"acquired":true,"shares":48297,"price":2.44,"value":117844.68,"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":"F8","text":"Includes shares previously reported as restricted stock units."}],"balance_after":168599,"derivative":{"underlying":"Class A Common Stock","underlying_shares":48297},"source":{"system":"sec-edgar","filing":"0000950170-24-002166","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":17,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000095017024002166/ownership.xml","form_type":"4"}},{"id":1688237,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2024-01-04T23:50:56.000Z","date":"2024-01-03","kind":"exercise","planned":true,"acquired":false,"shares":48297,"price":14.43,"value":696925.71,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"One-fourth (1/4th) of the shares subject to the option award vested on August 29, 2019, and thereafter one-forty-eighth of the shares subject to the option award vest monthly, subject to the Reporting Person's continuous service."}],"balance_after":50000,"derivative":{"exercise_price":2.44,"expiration_date":"2029-08-29","underlying":"Class B Common Stock","underlying_shares":48297},"source":{"system":"sec-edgar","filing":"0000950170-24-002166","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":16,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000095017024002166/ownership.xml","form_type":"4"}},{"id":1688236,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class B Common Stock","published_at":"2024-01-04T23:50:56.000Z","date":"2024-01-02","kind":"tax_withholding","planned":true,"acquired":false,"shares":7014,"price":14.89,"value":104438.46,"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":"F8","text":"Includes shares previously reported as restricted stock units."}],"balance_after":120302,"derivative":{"underlying":"Class A Common Stock","underlying_shares":7014},"source":{"system":"sec-edgar","filing":"0000950170-24-002166","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":15,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000095017024002166/ownership.xml","form_type":"4"}},{"id":1688235,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class B Common Stock","published_at":"2024-01-04T23:50:56.000Z","date":"2024-01-02","kind":"exercise","planned":true,"acquired":false,"shares":76703,"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":"F8","text":"Includes shares previously reported as restricted stock units."}],"balance_after":127316,"derivative":{"underlying":"Class A Common Stock","underlying_shares":76703},"source":{"system":"sec-edgar","filing":"0000950170-24-002166","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000095017024002166/ownership.xml","form_type":"4"}},{"id":1688234,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class B Common Stock","published_at":"2024-01-04T23:50:56.000Z","date":"2024-01-02","kind":"exercise","planned":true,"acquired":true,"shares":76703,"price":2.44,"value":187155.32,"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":"F8","text":"Includes shares previously reported as restricted stock units."}],"balance_after":204019,"derivative":{"underlying":"Class A Common Stock","underlying_shares":76703},"source":{"system":"sec-edgar","filing":"0000950170-24-002166","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000095017024002166/ownership.xml","form_type":"4"}},{"id":1688233,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2024-01-04T23:50:56.000Z","date":"2024-01-02","kind":"exercise","planned":true,"acquired":false,"shares":76703,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"One-fourth (1/4th) of the shares subject to the option award vested on August 29, 2019, and thereafter one-forty-eighth of the shares subject to the option award vest monthly, subject to the Reporting Person's continuous service."}],"balance_after":98297,"derivative":{"exercise_price":2.44,"expiration_date":"2029-08-29","underlying":"Class B Common Stock","underlying_shares":76703},"source":{"system":"sec-edgar","filing":"0000950170-24-002166","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000095017024002166/ownership.xml","form_type":"4"}},{"id":1688232,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class B Common Stock","published_at":"2024-01-04T23:50:56.000Z","date":"2024-01-02","kind":"exercise","planned":true,"acquired":false,"shares":52849,"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":"F8","text":"Includes shares previously reported as restricted stock units."}],"balance_after":127316,"derivative":{"underlying":"Class A Common Stock","underlying_shares":52849},"source":{"system":"sec-edgar","filing":"0000950170-24-002166","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000095017024002166/ownership.xml","form_type":"4"}},{"id":1688231,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class B Common Stock","published_at":"2024-01-04T23:50:56.000Z","date":"2024-01-02","kind":"exercise","planned":true,"acquired":true,"shares":52849,"price":0.66,"value":34880.34,"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":"F8","text":"Includes shares previously reported as restricted stock units."}],"balance_after":180165,"derivative":{"underlying":"Class A Common Stock","underlying_shares":52849},"source":{"system":"sec-edgar","filing":"0000950170-24-002166","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000095017024002166/ownership.xml","form_type":"4"}},{"id":1688230,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2024-01-04T23:50:56.000Z","date":"2024-01-02","kind":"exercise","planned":true,"acquired":false,"shares":52849,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"One-fourth (1/4th) of the shares subject to the option award vested on June 7, 2019, and thereafter one-forty-eighth of the shares subject to the option award vest monthly, subject to the Reporting Person's continuous service."}],"balance_after":103063,"derivative":{"exercise_price":0.66,"expiration_date":"2028-06-17","underlying":"Class B Common Stock","underlying_shares":52849},"source":{"system":"sec-edgar","filing":"0000950170-24-002166","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000095017024002166/ownership.xml","form_type":"4"}},{"id":1688229,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class A Common Stock","published_at":"2024-01-04T23:50:56.000Z","date":"2024-01-03","kind":"sale","planned":true,"acquired":false,"shares":48297,"price":14.43,"value":696925.71,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Shares sold pursuant to a Rule 10b5-1 trading plan entered into on September 15, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $14.30 to $14.68 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 sold at each separate price within the range set forth in this footnote."}],"balance_after":191526,"source":{"system":"sec-edgar","filing":"0000950170-24-002166","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000095017024002166/ownership.xml","form_type":"4"}},{"id":1688228,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class A Common Stock","published_at":"2024-01-04T23:50:56.000Z","date":"2024-01-03","kind":"exercise","planned":true,"acquired":true,"shares":48297,"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":239823,"source":{"system":"sec-edgar","filing":"0000950170-24-002166","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000095017024002166/ownership.xml","form_type":"4"}},{"id":1688227,"issuer":{"id":4862,"kind":"organization","name":"ACV Auctions Inc.","symbol":"ACVA"},"owners":[{"id":32175,"kind":"person","name":"Anderson Craig Eric","position":1,"cik":"0001852174","reported_name":"Anderson Craig Eric","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CCDSO"}}],"security":"Class A Common Stock","published_at":"2024-01-04T23:50:56.000Z","date":"2024-01-02","kind":"tax_withholding","planned":true,"acquired":false,"shares":5185,"price":14.89,"value":77204.65,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F5","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":191526,"source":{"system":"sec-edgar","filing":"0000950170-24-002166","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1852174/000095017024002166/ownership.xml","form_type":"4"}}],"next_cursor":"2024-01-04T23:50:56.000000Z,1688227"}