Sestanovich Elizabeth 4
4 · System1, Inc. · Filed Jan 16, 2026
Insider Transaction Report
Form 4
Sestanovich Elizabeth
Chief People Officer
Transactions
- Tax Payment
Class A Common Stock
[F1][F2]2026-01-15$4.40/sh−377$1,659→ 59,500 total
Footnotes (2)
- [F1]Upon the vesting of 670 restricted stock units ("RSUs") previously granted to the reporting person, the Company withheld 377 shares to cover the reporting person's tax withholding obligation with respect to the vesting of such RSUs.
- [F2]Includes 43,055 unvested RSUs.
Signature
/s/ Daniel Weinrot, Attorney-in-Fact for Elizabeth Sestanovich|2026-01-16