[Form 4] ACV Auctions Inc. Insider Trading Activity

Rhea-AI Filing Summary

Vikas Mehta, Chief Operating Officer of ACV Auctions Inc. (ACVA), reported three withholding transactions on 10/01/2025 that were executed to cover tax liabilities upon the vesting of time‑based restricted stock units. The filings show shares withheld of 6,382, 4,487, and 6,319, totaling 17,188 shares, each at a price of $10.07. After these withholdings the reported direct beneficial ownership levels on the separate lines are 586,183, 581,696, and 575,377 shares respectively, reflecting the stepwise reduction in shares owned. The Form 4 was signed by an attorney‑in‑fact on 10/03/2025. The filer states these were withholding transactions and not discretionary sales.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

Mehta Vikas

(Last) (First) (Middle)

C/O ACV AUCTIONS INC.

640 ELLICOTT ST., SUITE 321

(Street)

BUFFALO NY 14203

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
ACV Auctions Inc. [ ACVA ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Operating Officer

3. Date of Earliest Transaction (Month/Day/Year)
10/01/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	10/01/2025		F		6,382(1)	D	$10.07	586,183	D
Common Stock	10/01/2025		F		4,487(1)	D	$10.07	581,696	D
Common Stock	10/01/2025		F		6,319(1)	D	$10.07	575,377	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. 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.

Remarks:

	/s/ Michelle Webb, Attorney-in-Fact	10/03/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did ACVA insider Vikas Mehta report on Form 4?

The Form 4 reports three share withholdings on 10/01/2025 related to RSU vesting, totaling 17,188 shares withheld at $10.07 per share.

Why were the shares transferred or withheld?

The filing states the shares were withheld by the issuer to cover the tax liability upon vesting of time‑based restricted stock units.

How did the withholdings affect Mehta's beneficial ownership?

Following the reported transactions the Form 4 lists direct beneficial ownership amounts on the three lines as 586,183, 581,696, and 575,377 shares respectively, reflecting reductions after withholding.

When was the Form 4 signed and filed?

The signature block shows the form was signed by an attorney‑in‑fact on 10/03/2025.

Were these transactions discretionary sales by the reporting person?

No. The filer explicitly states these were withholding transactions to cover taxes and do not represent discretionary sales by the reporting person.