System1, Inc. — Director's Dealing 2025

Jun 13, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: System1, Inc. (SST)
CIK: 0001805833
Period of Report: 2025-06-12

Reporting Person: Civantos John (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-06-12	Class A Common Stock	P	18842	$3.89	Acquired	49455	Direct

Footnotes

F1: The price reported in Column 4 is a weighted average price. The shares were purchased in more than one transaction at prices ranging from $3.73 to $3.96, inclusive. The Reporting Person(s) undertake(s) to provide to the Issuer, any security holder, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F2: Represents the total number of shares held after the Issuer's completion of a 1-for-10 reverse stock split that occurred on June 11, 2025.