Insider at ACV Auctions (NASDAQ: ACVA) purchases 214,600 shares

Rhea-AI Filing Summary

ACV Auctions Inc. Chief Sales Officer Michael Waterman bought 214,600 shares of common stock in an open-market purchase. The transactions took place on February 26, 2026 at a weighted average price of $4.66 per share, with individual trades ranging from $4.55 to $4.74. After these purchases, his directly owned stake increased to 569,102 shares. The company notes that full details of the number of shares bought at each price within the range are available upon request.

Insider Trade Summary

Net Buyer: 214,600 shares ($1,000,036)

Net Buy 1 txn

Insider Waterman Michael

Role Chief Sales Officer

Bought 214,600 shs ($1.00M)

Type	Security	Shares	Price	Value
Purchase	Common Stock	214,600	$4.66	$1.00M

Holdings After Transaction: Common Stock — 569,102 shares (Direct)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Waterman Michael

(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 Sales Officer

3. Date of Earliest Transaction (Month/Day/Year)
02/26/2026

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	02/26/2026		P(1)		214,600	A	$4.66	569,102	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. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $4.55 to $4.74 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 purchased at each separate price within the range set forth in this footnote.

Remarks:

	/s/ Michelle Webb, Attorney-in-Fact	03/02/2026
	** 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 insider transaction did ACV Auctions (ACVA) report for Michael Waterman?

ACV Auctions reported that Chief Sales Officer Michael Waterman bought 214,600 shares of common stock. The open-market purchase occurred on February 26, 2026, and increased his directly owned holdings to 569,102 shares according to the Form 4 insider filing details.

At what price did ACV Auctions (ACVA) insider Michael Waterman buy shares?

Michael Waterman bought ACV Auctions common stock at a weighted average price of $4.66 per share. The Form 4 states individual trades were executed between $4.55 and $4.74, and detailed share counts at each specific price are available upon request.

How many ACV Auctions (ACVA) shares does Michael Waterman own after this Form 4?

Following the reported transaction, Michael Waterman directly owns 569,102 ACV Auctions common shares. This reflects an increase driven by his purchase of 214,600 shares in open-market transactions on February 26, 2026, as disclosed in the Form 4 filing.

What does the weighted average price mean in the ACV Auctions (ACVA) Form 4?

The weighted average price of $4.66 means Michael Waterman’s 214,600 purchased shares were bought in multiple trades between $4.55 and $4.74. The average reflects all those trades, and detailed breakdowns by individual price level are available upon request from the parties listed.

Was the ACV Auctions (ACVA) insider trade a buy or sell transaction?

The Form 4 shows a buy transaction. Michael Waterman, ACV Auctions’ Chief Sales Officer, executed an open-market purchase of 214,600 common shares, coded as a “P” transaction and described as a purchase in the open market or a private transaction.

What role does Michael Waterman hold at ACV Auctions (ACVA) in this Form 4?

In this Form 4, Michael Waterman is identified as an officer of ACV Auctions, serving as Chief Sales Officer. The filing reports his direct open-market purchase of 214,600 common shares, which brought his directly owned position to 569,102 shares afterward.