David Mason - Dec 1, 2025 Form 4 Insider Report for SEMrush Holdings, Inc. (SEMR)

Signature
/s/ David Mason
Stock symbol
SEMR
Transactions as of
Dec 1, 2025
Transactions value $
-$42,493
Form type
4
Date filed
12/2/2025, 05:29 PM
Previous filing
Nov 3, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Mason David W Chief Legal Officer C/O SEMRUSH HOLDINGS, INC., 800 BOYLSTON STREET, SUITE 2475, BOSTON /s/ David Mason 2025-12-02 0001744907

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction SEMR Class A Common Stock Tax liability -$42.5K -3.59K -1.41% $11.83 251K Dec 1, 2025 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents shares of Class A Common Stock withheld by the Company to satisfy tax withholding obligations in connection with the net issuance of shares of Class A Common Stock delivered to the Reporting Person on December 1, 2025, from the vesting of restricted stock units ("RSUs"). The number of shares withheld by the Company to satisfy tax withholding obligations (and the net issuance) is based on the closing price of the Company's Class A Common Stock on December 1, 2025.
F2 A portion of these shares represent RSUs. Each RSU represents a right to receive one share of the Issuer's Class A Common Stock upon vesting.