Tridivesh Kidambi - 15 Oct 2025 Form 4 Insider Report for System1, Inc. (SST)

Signature
/s/ Daniel Weinrot, Attorney-in-Fact for Tridivesh Kidambi
Issuer symbol
SST
Transactions as of
15 Oct 2025
Net transactions value
-$2,795
Form type
4
Filing time
17 Oct 2025, 19:09:42 UTC
Previous filing
30 Jul 2025
Next filing
30 Oct 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Kidambi Tridivesh Chief Financial Officer 4235 REDWOOD AVE, LOS ANGELES /s/ Daniel Weinrot, Attorney-in-Fact for Tridivesh Kidambi 17 Oct 2025 0001906862

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction SST Class A Common Stock Tax liability $2,795 -352 -0.29% $7.94 120,772 15 Oct 2025 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Upon the vesting of 837 restricted stock units ("RSUs") previously granted to the reporting person, the Company withheld 352 shares to cover the reporting person's tax withholding obligation with respect to the vesting of such RSUs.
F2 Includes 55,439 unvested RSUs.