Sec Form 4/A Filing - Shchegolev Oleg @ SEMrush Holdings, Inc. - 2024-11-25

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

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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Shchegolev Oleg 2. Issuer Name and Ticker or Trading Symbol SEMrush Holdings, Inc. [ SEMR] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director X __ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chief Technology Officer (Last) (First) (Middle) C/O SEMRUSH HOLDINGS, INC., 800 BOYLSTON STREET, SUITE 2475 3. Date of Earliest Transaction (MM/DD/YY) 11/25/2024 (Street) BOSTON, MA02199 4. If Amendment, Date Original Filed (MM/DD/YY) 12/12/2024 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 Class A Common Stock 11/25/2024 J 144,000 ( 1 ) D $ 0 ( 1 ) 2,948,714 I Shchegolev Holdings, LLC ( 2 ) Class A Common Stock 3,678,823 ( 3 ) 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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 7. Title and Amount of Underlying Securities (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 of Derivative Security: 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

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Shchegolev Oleg C/O SEMRUSH HOLDINGS, INC. 800 BOYLSTON STREET, SUITE 2475 BOSTON, MA02199 X X Chief Technology Officer Signatures /s/ David Mason, as attorney-in-fact 04/04/2025 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Represents shares contributed to an exchange traded fund (the "Fund") of which Goldman Sachs Asset Management, L.P. is the Investment Manager and Goldman Sachs EP Advisors LLC is the General Partner. In consideration of such contribution, Shchegolev Holdings, LLC will receive shares of the Fund in an amount equal to the value of shares contributed, based on the closing price of the common stock as of market close on February 18, 2025. ( 2 )These shares are owned by Shchegolev Holdings, LLC. The Oleg Shchegolev Irrevocable GST Trust of 2020 is the sole Member of Shchegolev Holdings, LLC. IQ EQ Trust Company LLC is the trustee of The Oleg Shchegolev Irrevocable GST Trust of 2020. The Reporting Person disclaims Section 16 beneficial ownership of these securities except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for Section 16 or any other purpose. ( 3 )A portion of these shares represent restricted stock units ("RSUs"). Each RSU represents a right to receive one share of the Issuer's Class A Common Stock upon vesting.

Remarks: On December 12, 2024, the Reporting Person filed a Form 4 which incorrectly reported that the Reporting Person contributed 144,000 shares of Class A Common Stock directly held by the Reporting Person to the Fund on November 25, 2024. This Form 4/A makes the correction to report that this contribution to the Fund on such date was made through shares of Class A Common Stock held indirectly through Shchegolev Holdings, LLC. Accordingly, each filing previously made for the Reporting Person after November 25, 2024 should be read to reflect this contribution from Shchegolev Holdings, LLC instead of Reporting Person's direct holdings.

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).

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