Key facts
- This page summarizes Brian Coppola's Form 4 filing for System1, Inc. (SST).
- 1 reported transaction and 0 derivative rows are listed below.
- Accepted by SEC: 17 Apr 2026, 20:32.
Brian Coppola - 15 Apr 2026 Form 4 Insider Report for System1, Inc. (SST)
- Reporting relationship
- Chief Ad Operations Officer
- Issuer ticker
- SST
- Reported as of
- 15 Apr 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 17 Apr 2026, 20:32:26 UTC
- Prior SEC filing
- 29 Jan 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Daniel Weinrot, Attorney-in-Fact for Brian Coppola
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Brian Coppola filed Form 4 for System1, Inc. (SST) on 17 Apr 2026.
Change
- Previous filing in this sequence was filed on 29 Jan 2026.
- 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
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001906904
Primary reporting owner
Coppola Brian
- Relationship
- Chief Ad Operations Officer
- Address
- 4235 REDWOOD AVE, LOS ANGELES
- Signature
- /s/ Daniel Weinrot, Attorney-in-Fact for Brian Coppola
- Signature date
- 17 Apr 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
SST
transaction
Class A Common Stock
Tax liability
- Transaction value
- Shares
- -331
- Change %
- -0.5%
- Price
- $2.26*
- Shares after
- 65,898
- Date
- 15 Apr 2026
- Ownership
- Direct
- Footnotes
- F1, F2
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 2 footnotes
Footnote F1
Upon the vesting of 754 restricted stock units ("RSUs") previously granted to the reporting person, the Company withheld 331 shares to cover the reporting person's tax withholding obligation with respect to the vesting of such RSUs.
Footnote F2
Includes 42,262 unvested RSUs.