SEC Form 4 · accession 0001628280-26-048715
System1, Inc. · SST
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Elizabeth Sestanovich
Officer — Chief People Officer
Period of report
Jul 15, 2026
Accepted (ET)
Jul 17, 2026 · 6:08 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001805833
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Class A Common StockF1,F2 | Jul 15, 2026 | F | 7,058 | $2.60 | D | 51,890 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1Upon the vesting of 13,870 restricted stock units ("RSUs") previously granted to the reporting person, the Company withheld 7,058 shares to cover the reporting person's tax withholding obligation with respect to the vesting of such RSUs.
- F2Includes 28,140 unvested RSUs.