ACV Auctions officer plans sale of 33,592 shares

ACV Auctions Inc. (ACVA) received a Rule 144 notice that officer Andrew Peer plans to sell up to 33,592 shares of common stock, with an aggregate market value of $349,692.72, through Morgan Stanley Smith Barney LLC on or after September 14, 2026.

Rhea-AI Filing Summary

ACV Auctions Inc. (ACVA) received a Rule 144 notice that officer Andrew Peer plans to sell up to 33,592 shares of common stock, with an aggregate market value of $349,692.72, through Morgan Stanley Smith Barney LLC on or after September 14, 2026.

The planned sale consists of 25,500 shares underlying stock options to be exercised for cash on September 14, 2026 and 8,092 shares from restricted stock units, which vested on July 1, 2025 and July 1, 2026. ACV Auctions reports 169,807,980 common shares outstanding.

Key Figures

Shares to be sold under Rule 144: 33,592 shares Aggregate market value of planned sale: $349,692.72 Shares from stock option exercise: 25,500 shares +5 more

8 metrics

Shares to be sold under Rule 144 33,592 shares Planned disposition of ACV Auctions common stock

Aggregate market value of planned sale $349,692.72 Value of 33,592 common shares to be sold

Shares from stock option exercise 25,500 shares To be acquired and sold via exercise of stock options on September 14, 2026

Shares from restricted stock units 8,092 shares From RSUs vested on July 1, 2025 and July 1, 2026

Shares outstanding 169,807,980 shares ACV Auctions common shares outstanding

Date of notice September 14, 2026 Date on which the Form 144 notice is dated

RSU vesting date July 1, 2025 One of the vesting dates for RSUs whose shares are being sold

Planned sale start date September 14, 2026 Date tied to the planned stock option exercise and sale

Key Terms

Rule 144, restricted stock units, Exercise of Stock Options, aggregate market value

4 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

restricted stock units financial

"The securities to be sold were acquired upon the vesting of restricted stock units"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

Exercise of Stock Options financial

"Common | 09/14/2026 | Exercise of Stock Options | Issuer"

aggregate market value financial

"Common | Morgan Stanley Smith Barney LLC Executive Financial Services ... 349692.72"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does the Form 144 filed for ACVA disclose about planned share sales?

The notice states that officer Andrew Peer plans to sell up to 33,592 ACV Auctions common shares under Rule 144, with an aggregate market value of $349,692.72, through Morgan Stanley Smith Barney LLC, beginning on or after September 14, 2026.

How many ACV Auctions (ACVA) shares are being sold from stock options and RSUs?

The planned Rule 144 sale includes 25,500 shares from the exercise of stock options on September 14, 2026 and 8,092 shares issued from restricted stock units that vested on July 1, 2025 and July 1, 2026.

What is the reported market value of the ACVA shares in this Form 144 filing?

The Form 144 lists an aggregate market value of $349,692.72 for the 33,592 ACV Auctions common shares proposed to be sold under Rule 144.

How many ACV Auctions (ACVA) common shares are outstanding according to the filing?

The filing reports that there are 169,807,980 ACV Auctions common shares outstanding. This figure provides context for the size of the planned 33,592-share Rule 144 sale.

Who is the broker for the planned ACVA Rule 144 share sale?

The planned sale of 33,592 ACV Auctions common shares is to be executed through Morgan Stanley Smith Barney LLC Executive Financial Services, located at 1 New York Plaza, New York, NY.

When were the ACVA restricted stock units related to this Form 144 acquired?

The filing notes that the securities to be sold were acquired upon the vesting of restricted stock units on July 1, 2025 and July 1, 2026, with 8,092 shares designated for sale from these awards.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/14/2026 - 04:58 PM Accepted by SEC EDGAR 09/14/2026 - 04:47 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0002030941
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	ACV AUCTIONS INC
SEC File Number	001-40256
Address of Issuer	640 Ellicott Street, #321 Buffalo NEW YORK 14203
Phone	8005534070
Name of Person for Whose Account the Securities are To Be Sold	ANDREW PEER
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	33592	349692.72	169807980	09/14/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	09/14/2026	Exercise of Stock Options	Issuer			25500	09/14/2026	Cash
Common	07/01/2025	Restricted Stock Units	Issuer			8092	07/01/2025	N/A

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks	The securities to be sold were acquired upon the vesting of restricted stock units on 07/01/2025 and 07/01/2026.
Date of Notice	09/14/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	06/15/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Andrew Peer
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)