Charles Ursini - 29 Jul 2025 Form 4 Insider Report for System1, Inc. (SST)

Reporting relationship: President & COO, Director
Issuer ticker: SST
Reported as of: 29 Jul 2025
Net transaction value: $0
SEC form: 4
Accepted by SEC: 31 Jul 2025, 18:18:32 UTC
Prior SEC filing: 03 Jul 2024
Source filing: View source filing
Reporting owner signature: /s/ Daniel Weinrot, Attorney-in-Fact for Charles Ursini

Key filing fact

Charles Ursini filed Form 4 for System1, Inc. (SST) on 31 Jul 2025.

Key facts

This page summarizes Charles Ursini's Form 4 filing for System1, Inc. (SST).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 31 Jul 2025, 18:18.

Change

Previous filing in this sequence was filed on 03 Jul 2024.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002018813 Primary reporting owner

Ursini Charles

Relationship: President & COO, Director
Address: 4235 REDWOOD AVENUE, LOS ANGELES
Signature: /s/ Daniel Weinrot, Attorney-in-Fact for Charles Ursini
Signature date: 31 Jul 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

SST transaction

Class A Common Stock

Award

Transaction value: $0
Shares: +337,500
Change %: +1125%
Price: $0.000000
Shares after: 367,500
Date: 29 Jul 2025
Ownership: Direct
Footnotes: F1, F2, F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

The Reporting Person was granted 337,500 restricted stock units ("RSUs") in connection with his continued employment with System1, Inc. ("SST"). Each RSU represents the right to receive one share of SST Class A Common Stock upon vesting. Subject to the continued employment of Mr. Ursini through the applicable vesting date, one-third of the RSUs will vest on July 15, 2026, and the remaining two-thirds will vest in 8 substantially equal quarterly installments on each quarterly anniversary thereafter.

Footnote F2

Includes 337,500 unvested RSUs.

Footnote F3

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.