# EDGAR Filing Document

**Accession Number:** 0001719138
**File Stem:** 0000950170-25-107331
**Filing Date:** 2025-8
**Character Count:** 8933
**Document Hash:** 9487cef077e933a031d7b31b41360129
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000950170-25-107331.hdr.sgml**: 20250812

**ACCESSION NUMBER**: 0000950170-25-107331

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13G/A

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250812

**DATE AS OF CHANGE**: 20250812

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** CarGurus, Inc.
- **CENTRAL INDEX KEY:** 0001494259
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-COMPUTER PROCESSING & DATA PREPARATION [7374]
- **ORGANIZATION NAME:** 06 Technology
- **EIN:** 043843478
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13G/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-90145
- **FILM NUMBER:** 251206875

**BUSINESS ADDRESS:**
- **STREET 1:** 1001 BOYLSTON STREET
- **STREET 2:** 16TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02115
- **BUSINESS PHONE:** 617 354 0068

**MAIL ADDRESS:**
- **STREET 1:** 1001 BOYLSTON STREET
- **STREET 2:** 16TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02115

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Cargurus LLC
- **DATE OF NAME CHANGE:** 20100615
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Steinert Langley
- **CENTRAL INDEX KEY:** 0001719138

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13G/A

**MAIL ADDRESS:**
- **STREET 1:** C/O CARGURUS, INC.
- **STREET 2:** 1001 BOYLSTON STREET, 16TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02115

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

## SCHEDULE 13G

### Under the Securities Exchange Act of 1934

**(Amendment No. 9)**

**Issuer:** CarGurus, Inc.

**Title of Class of Securities:** Class A common stock, par value $0.001 per share

**CUSIP Number:** 141788109

**Date of Event Which Requires Filing of this Statement:** 06/30/2025

**Check the appropriate box to designate the rule pursuant to which this Schedule is filed:**

- [ ] Rule 13d-1(b)

- [ ] Rule 13d-1(c)

- [x] Rule 13d-1(d)

---

| 1. | Names of Reporting Persons<br>Langley Steinert | Names of Reporting Persons<br>Langley Steinert |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>X1 | Citizenship or Place of Organization<br>X1 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>12815183 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>0 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>12815183 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>0 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>12815183 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>12815183 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [x] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [x] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>13.1% | Percent of Class Represented by Amount in Row (9)<br>13.1% |
| 12. | Type of Reporting Person (See Instructions)<br>IN | Type of Reporting Person (See Instructions)<br>IN |

---

**Item 1(a). Name of Issuer:**
CarGurus, Inc.

**Item 1(b). Address of Issuer's Principal Executive Offices:**
1001 Boylston Street, 16th Floor, Boston, Massachusetts 02115

**Item 2(a). Name of Person Filing:**
This amendment to Schedule 13G is filed by Langley Steinert, the Executive Chair and Chair of the Board of Directors of the Issuer (the "Reporting Person").

**Item 2(b). Address of Principal Business Office:**
The principal business address for the Reporting Person is c/o 1001 Boylston Street, 16th Floor, Boston, Massachusetts 02115.

**Item 2(c). Citizenship:**
The Reporting Person is a United States citizen.

**Item 2(d). Title of Class of Securities:**
Class A common stock, par value $0.001 per share

**Item 2(e). CUSIP Number:**
141788109

**Item 3. If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:**

(a) [ ] Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o).

(b) [ ] Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).

(c) [ ] Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c).

(d) [ ] Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8).

(e) [ ] An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);

(f) [ ] An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);

(g) [ ] A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);

(h) [ ] A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);

(i) [ ] A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);

(j) [ ] A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), if filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:

(k) [ ] Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).

**Item 4. Ownership:**

**(a) Amount beneficially owned:**

The Reporting Person owns 12,815,183 shares of Class A Common Stock, representing (i) 267,559 shares of Class A Common Stock, (ii) 25,561 shares of Class A Common Stock underlying restricted stock units that will vest within 60 days after June 30, 2025, and (iii) 12,522,063 shares of the Issuer's Class B common stock, par value $0.001 per share ("Class B Common Stock"), which are convertible on a one-for-one basis into shares of Class A Common Stock at any time at the election of the Reporting Person.  The Reporting Person has sole voting and dispositive power with respect to these shares.
The number of shares of Class A Common Stock herein reported as beneficially owned by the Reporting Person does not include shares of Class A Common Stock that are owned directly by The Langley Steinert Irrevocable Family Trust dated June 21, 2004. The Reporting Person is neither trustee for nor beneficiary of such trust and therefore has neither voting nor dispositive power with respect to these shares. The Reporting Person expressly disclaims beneficial ownership of such shares.

**(b) Percent of class:**

The Reporting Person owns 13.1% of the total Class A Common Stock outstanding.
The percentage amount for the Reporting Person is based on 85,043,939 shares of Class A Common Stock outstanding as of July 31, 2025, as set forth in the Issuer's Quarterly Report on Form 10-Q for the quarter ended June 30, 2025, filed with the U.S. Securities and Exchange Commission on August 7, 2025.
Shares of Class B Common Stock are convertible on a one-for-one basis into shares of Class A Common Stock at any time at the option of the Reporting Person on a one-for-one basis. The percentage of beneficial ownership assumes the conversion of all of the shares of the Class B Common Stock held by the Reporting Person.

**(c) Number of shares as to which the person has:**

**(i) Sole power to vote or to direct the vote:**

12,815,183 shares of Class A Common Stock

**(ii) Shared power to vote or to direct the vote:**

0 shares of Class A Common Stock

**(iii) Sole power to dispose or to direct the disposition of:**

12,815,183 shares of Class A Common Stock

**(iv) Shared power to dispose or to direct the disposition of:**

0 shares of Class A Common Stock

**Item 5. Ownership of Five Percent or Less of a Class.**

[x] If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following.

**Item 6. Ownership of More than 5 Percent on Behalf of Another Person.**

Not Applicable

**Item 7. Identification and Classification of the Subsidiary**

Not Applicable

**Item 8. Identification and Classification of Members of the Group**

Not Applicable

**Item 9. Notice of Dissolution of Group**

Not Applicable

**Item 10. Certification:**

—

### SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Langley Steinert**

**Date:** 08/12/2025

**By:** /s/ Langley Steinert

**Name & Title:** Langley Steinert, Executive Chair