CarGurus trust proposes $3.38M share sale

The proposed sale has a reported aggregate market value of $3,377,000.

Available on EDGAR 11/04/2026 - 04:51 PM EST Accepted by SEC EDGAR 11/04/2026 - 04:51 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

CarGurus, Inc. (CARG) is the issuer for a proposed sale of 100,000 shares of Class A common stock for the account of the Langley Steinert Irrevocable Family Trust. J.P. Morgan Securities LLC is listed as broker. The shares are to be sold today or within three months from November 4, 2026. The relationship is recorded as “Director, 10% Shareholder.”

Key Figures

Shares proposed for sale: 100,000 shares Aggregate market value: $3,377,000 Shares outstanding: 75,309,865 shares

3 metrics

Shares proposed for sale 100,000 shares CarGurus Class A common stock

Aggregate market value $3,377,000 Proposed sale

Shares outstanding 75,309,865 shares Issuer share count listed with the proposed sale

Key Terms

Rule 144, Founder Shares, attorney-in-fact

3 terms

Rule 144 regulatory

"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.

Founder Shares financial

"Founder Shares"

Founder shares are the ownership stakes given to the people who start a company, often with extra voting power or protections compared with ordinary shares. For investors, they matter because founders’ control and incentives influence decisions about strategy, hiring, and whether the company sells or stays independent — like a family that keeps majority voting rights in a household decision. High founder ownership can mean stable leadership but also a risk that outside shareholders have less influence.

attorney-in-fact regulatory

"as agent and attorney-in-fact for Langley Steinert Irrevocable Family Trust"

An attorney-in-fact is the person or entity given legal authority through a power of attorney to act on behalf of another for specific tasks, such as signing documents, voting shares, or handling transactions. For investors, this matters because it lets a trusted representative make timely decisions or complete paperwork when the owner cannot, much like handing keys to someone to run errands on your behalf—so checks on scope and limits of that authority are important.

FAQ

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

How many CARG shares are covered by the proposed sale?

The proposed sale for the account of the Langley Steinert Irrevocable Family Trust is 100,000 shares of Class A common stock, with a reported aggregate market value of $3,377,000.

When may the proposed CARG share sale take place?

The shares are to be sold today or within three months from November 4, 2026. J.P. Morgan Securities LLC is listed as the broker.

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

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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	0001719249
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	CarGurus, Inc
SEC File Number	001-38233
Address of Issuer	1001 Boylston Street, 16th Floor Boston MASSACHUSETTS 02115
Phone	617-354-0068
Name of Person for Whose Account the Securities are To Be Sold	Langley Steinert Irrevocable Family Trust
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	Director, 10% Shareholder

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
Class A Common Stock	J.P. Morgan Securities LLC 270 Park Avenue, 10th Floor New York NY 10017	100000	3377000	75309865	11/04/2026	NASDAQ

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 *
Class A Common Stock	01/01/2006	Founder Shares	Issuer			100000	01/01/2006	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 shares covered by this filing will be sold today or within three months from the date of this filing.
Date of Notice	11/04/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	05/29/2026
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/ J.P. Morgan Securities LLC as agent and attorney-in-fact for Langley Steinert Irrevocable Family Trust
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)