# EDGAR Filing Document

**Accession Number:** 0001831840
**File Stem:** 0001628280-25-039591
**Filing Date:** 2025-8
**Character Count:** 9662
**Document Hash:** 6a00611fe0dc207698ff332fbfd289e5
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001628280-25-039591.hdr.sgml**: 20250811

**ACCESSION NUMBER**: 0001628280-25-039591

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

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250811

**DATE AS OF CHANGE**: 20250811

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** SEMrush Holdings, Inc.
- **CENTRAL INDEX KEY:** 0001831840
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-PREPACKAGED SOFTWARE [7372]
- **ORGANIZATION NAME:** 06 Technology
- **EIN:** 844053265
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13G/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-92465
- **FILM NUMBER:** 251202446

**BUSINESS ADDRESS:**
- **STREET 1:** 800 BOYLSTON STREET, SUITE 2475
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02199
- **BUSINESS PHONE:** 800-851-9959

**MAIL ADDRESS:**
- **STREET 1:** 800 BOYLSTON STREET, SUITE 2475
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02199
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Shchegolev Oleg
- **CENTRAL INDEX KEY:** 0001849417

**ORGANIZATION NAME:**

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

**MAIL ADDRESS:**
- **STREET 1:** C/O SEMRUSH HOLDINGS, INC.
- **STREET 2:** 800 BOYLSTON STREET, SUITE 2475
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02199

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

## SCHEDULE 13G

### Under the Securities Exchange Act of 1934

**(Amendment No. 5)**

**Issuer:** Semrush Holdings, Inc.

**Title of Class of Securities:** Class A Common Stock

**CUSIP Number:** 81686C104

**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>Shchegolev Oleg | Names of Reporting Persons<br>Shchegolev Oleg |
|:---|:---|:---|:---|
| 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>49449381.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>49449381.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>0.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>49449381.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>49449381.00 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>33.2% | Percent of Class Represented by Amount in Row (9)<br>33.2% |
| 12. | Type of Reporting Person (See Instructions)<br>IN | Type of Reporting Person (See Instructions)<br>IN |

---

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

**Item 1(b). Address of Issuer's Principal Executive Offices:**
800 Boylston Street, Suite 2475,  Boston, MA, 02199

**Item 2(a). Name of Person Filing:**
Oleg Shchegolev

**Item 2(b). Address of Principal Business Office:**
800 Boylston Street, Suite 2475, Boston, Massachusetts 02199

**Item 2(c). Citizenship:**
United States

**Item 2(d). Title of Class of Securities:**
Class A Common Stock

**Item 2(e). CUSIP Number:**
81686C104

**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:**

An aggregate of 49,449,381 shares of Class A common stock (including shares underlying Class B common stock, restricted stock units and stock options convertible and/or exercisable within 60 days of June 30, 2025), consisting of (1) 6,770,693 shares of Class A common stock and 2,000,000 shares of Class B common stock held by Mr. Shchegolev individually, (2) 243,118 shares of Class A common stock issuable to Mr. Shchegolev upon vesting and settlement of restricted stock units that have vested or shall vest within 60 days after June 30, 2025, (3) 475,795 shares of Class A common stock issuable to Mr. Shchegolev upon exercise of stock options that are exercisable within 60 days of June 30, 2025, (4) 3,138,040 shares of Class A common stock held by Shchegolev Holdings, LLC (the "Shchegolev LLC"), (5) 26,739,320 shares of Class A common stock and 10,082,415 shares of Class B common stock held by The Oleg Shchegolev Irrevocable Non-Exempt Trust of 2020 (the "Shchegolev Non-Exempt Trust"). The Oleg Shchegolev Irrevocable GST Trust of 2020 (the "GST Trust" and together with the Shchegolev LLC and the Shchegolev Non-Exempt Trust, the "Shchegolev Trusts") is the sole Member, of the Shchegolev LLC. The Shchegolev Trusts were established for the benefit of Mr. Shchegolev and/or certain members of Mr. Shchegolev's family. Mr. Shchegolev may be deemed to have sole voting power and sole dispositive power with respect to the shares held by the Shchegolev Trusts and Shchegolev LLC.

**(b) Percent of class:**

The 49,449,381 shares of Class A common stock owned or deemed beneficially owned by Mr. Shchegolev, when all shares underlying Class B common stock, restricted stock units and stock options are treated as converted into Class A common stock only for purposes of computing the percentage ownership of the reporting person pursuant to Rule 13d-3 of the Act, represent approximately 33.2% of the outstanding shares of Class A common stock. Each share of Class B common stock is convertible into one share of Class A common stock at any time at the option of the holder and upon the occurrence of certain other events as described in the Issuer's Amended and Restated Certificate of Incorporation. In addition, each share of Class B common stock will automatically convert into one share of Class A common stock upon any transfer, except for certain permitted transfers described in the Issuer's Amended and Restated Certificate of Incorporation. Each share of Class A common stock is entitled to one vote and each share of Class B common stock is entitled to ten votes. The percentage reported does not reflect the ten for one voting power of the Class B common stock. The 37,366,966 shares of Class A common stock and 12,082,415 shares of Class B common stock beneficially owned by the reporting person represent 46.8% of the aggregate combined voting power of the Class A common stock and Class B common stock. The percent of class was calculated based on 127,469,912 shares of Class A common stock and 21,019,818 shares of Class B common stock outstanding as of June 30, 2025.

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

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

49,449,381

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

0

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

49,449,381

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

0

**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**

—

**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.

**Shchegolev Oleg**

**Date:** 08/11/2025

**By:** /s/ David Mason

**Name & Title:** David Mason, as Attorney-in-Fact