Insider Trading Arrangements	3 Months Ended
Insider Trading Arrangements	Jun. 30, 2025 shares
Trading Arrangements, by Individual
Non-Rule 10b5-1 Arrangement Adopted	false
Non-Rule 10b5-1 Arrangement Terminated	false
William Zerella [Member]
Trading Arrangements, by Individual
Material Terms of Trading Arrangement	On April 7, 2025, William Zerella, ACV's Chief Financial Officer, terminated a trading plan. The Plan was originally entered into on September 9, 2024 and contemplated the sale of up to 140,000 shares between January 7, 2025 and June 12, 2025, subject to certain volume limitations and excluding specified “No Sale” periods. Prior to its termination, the Plan was scheduled to terminate on June 12, 2025. 45,000 shares were sold under the Plan prior to its termination.
Name	William Zerella
Title	Chief Financial Officer
Rule 10b5-1 Arrangement Terminated	true
Termination Date	April 7, 2025
Aggregate Available	140,000
Andrew Peer [Member]
Trading Arrangements, by Individual
Material Terms of Trading Arrangement	On June 11, 2025, Andrew Peer, ACV's Chief Accounting Officer, adopted a trading plan. Mr. Peer's trading plan provides for the sale of up to 24,500 shares plus a number of shares to be determined based on net vesting of RSUs. The first trade will not occur until September 15, 2025 at the earliest. Mr. Peer's trading plan is scheduled to terminate on June 30, 2026.
Name	Andrew Peer
Title	Chief Accounting Officer
Rule 10b5-1 Arrangement Adopted	true
Adoption Date	June 11, 2025
Expiration Date	June 30, 2026
Arrangement Duration	288 days
Aggregate Available	24,500
Vikas Mehta [Member]
Trading Arrangements, by Individual
Material Terms of Trading Arrangement	On June 12, 2025, Vikas Mehta, ACV's Chief Operating Officer, modified his trading plan that was put into place on December 11, 2024. Mr. Mehta's modified trading plan provides for the sale of up to 132,000 shares. The first trade will not occur until September 11, 2025 at the earliest. Mr. Mehta's modified trading plan is scheduled to terminate on March 31, 2026.
George Chamoun [Member]
Trading Arrangements, by Individual
Material Terms of Trading Arrangement	On June 13, 2025, George Chamoun, ACV's Chief Executive Officer, adopted a trading plan. Mr. Chamoun's trading plan provides for the sale of up to 600,000 shares. The first trade will not occur until September 16, 2025 at the earliest. Mr. Chamoun's trading plan is scheduled to terminate on March 13, 2026.
Name	George Chamoun
Title	Chief Executive Officer
Rule 10b5-1 Arrangement Adopted	true
Adoption Date	June 13, 2025
Expiration Date	March 13, 2026
Arrangement Duration	178 days
Aggregate Available	600,000
Vikas Mehta December 2024 Plan [Member] \| Vikas Mehta [Member]
Trading Arrangements, by Individual
Name	Vikas Mehta
Title	Chief Operating Officer
Rule 10b5-1 Arrangement Terminated	true
Termination Date	June 12, 2025
Vikas Mehta June 2025 Plan [Member] \| Vikas Mehta [Member]
Trading Arrangements, by Individual
Name	Vikas Mehta
Title	Chief Operating Officer
Rule 10b5-1 Arrangement Adopted	true
Adoption Date	June 12, 2025
Expiration Date	March 31, 2026
Arrangement Duration	201 days
Aggregate Available	132,000

ACV Auctions Inc. 10-Q