MASON DAVID W

PrivateCIK: 1744907
Location

BOSTON, MA

MASON DAVID W (Chief Legal Officer) reported 1 transaction at SEMRUSH HOLDINGS, INC.

Review the transaction codes below to understand the nature of each event.

InsiderMASON DAVID WCIK 1744907
→
IssuerSEMRUSH HOLDINGS, INC.CIK 1831840
Officer· Chief Legal Officer
Since Mar 2026
-415.96K
Net shares
Net seller
$3.25M
Total sold
0
Open market trades
0B · 0S
2
Total transactions
415.96K disposed
Non-Derivative Transactions1

Class A Common Stock

Direct
D · Disposition

Shares

−271.25K

Price / share

$12.00

Trade value

$3.25M

% of position

New position
4/28/2026
271.25K→0.00
Total

Net shares

−271.25K

Net value

-$3.25M

Derivative Transactions1

Stock Option (Right to Buy)

Direct
D · Disposition
Converts to

Class A Common Stock

144.72K shares

Shares

−144.72K

Strike price

11.91

Held after

0.00

Exercisable

—

4/28/2026
MASON DAVID W — Insider Transaction (Form 4) Filed Apr 29, 2026 | Finecho