Michael Waterman - 01 Apr 2026 Form 4 Insider Report for ACV Auctions Inc. (ACVA)

Reporting relationship: Chief Sales Officer
Issuer ticker: ACVA
Reported as of: 01 Apr 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 03 Apr 2026, 16:19:04 UTC
Prior SEC filing: 02 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Michelle Webb, Attorney-in-Fact

Key filing fact

Michael Waterman filed Form 4 for ACV Auctions Inc. (ACVA) on 03 Apr 2026.

Key facts

This page summarizes Michael Waterman's Form 4 filing for ACV Auctions Inc. (ACVA).
4 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 03 Apr 2026, 16:19.

Change

Previous filing in this sequence was filed on 02 Mar 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001851495 Primary reporting owner

Waterman Michael

Relationship: Chief Sales Officer
Address: C/O ACV AUCTIONS INC., 640 ELLICOTT ST., SUITE 321, BUFFALO
Signature: /s/ Michelle Webb, Attorney-in-Fact
Signature date: 03 Apr 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ACVA transaction

Common Stock

Award

Transaction value
Shares: +269,069
Change %: +47%
Price: $0.000000^*
Shares after: 838,171
Date: 01 Apr 2026
Ownership: Direct
Footnotes: F1

ACVA transaction

Common Stock

Tax liability

Transaction value
Shares: -4,919
Change %: -0.59%
Price: $4.27^*
Shares after: 833,252
Date: 01 Apr 2026
Ownership: Direct
Footnotes: F2

ACVA transaction

Common Stock

Tax liability

Transaction value
Shares: -3,459
Change %: -0.42%
Price: $4.27^*
Shares after: 829,793
Date: 01 Apr 2026
Ownership: Direct
Footnotes: F2

ACVA transaction

Common Stock

Tax liability

Transaction value
Shares: -4,365
Change %: -0.53%
Price: $4.27^*
Shares after: 825,428
Date: 01 Apr 2026
Ownership: Direct
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Represents a restricted stock unit ("RSU") award. The RSUs will vest in twelve (12) substantially equal quarterly installments beginning July 1, 2026, subject to the Reporting Person's continuous service through each such date.

Footnote F2

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.