System1, Inc. — Director's Dealing 2026

Jan 29, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: System1, Inc. (SST)
CIK: 0001805833
Period of Report: 2026-01-28

Reporting Person: Kidambi Tridivesh (Chief Financial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-01-28	Class A Common Stock	F	258	$4.18	Disposed	119906	Direct

Footnotes

F1: Upon the vesting of 625 restricted stock units ("RSUs") previously granted to the reporting person, the Company withheld 258 shares to cover the reporting person's tax withholding obligation with respect to the vesting of such RSUs.

F2: Includes 53,352 unvested RSUs.