Sestanovich Elizabeth 4
4 · System1, Inc. · Filed Jan 29, 2026
Research Summary
AI-generated summary of this filing
System1 (SST) Chief People Officer Elizabeth Sestanovich Sells 211 Shares
What Happened
- Elizabeth Sestanovich, Chief People Officer of System1, had 211 shares disposed (withheld) to satisfy tax withholding related to the vesting of restricted stock units (RSUs). The reported disposal price was $4.18 per share, for a total of approximately $882.
- The withholding covered the tax obligation on 375 RSUs that vested; 211 shares were withheld rather than sold on the open market.
Key Details
- Transaction date: 2026-01-28; Filing date: 2026-01-29 (file appears timely).
- Price per share: $4.18; Shares withheld/disposed: 211; Total value: ~$882.
- Shares/units after transaction: filing notes inclusion of 42,680 unvested RSUs (per footnote).
- Footnotes: F1 — 211 shares withheld to cover tax withholding on 375 vested RSUs; F2 — includes 42,680 unvested RSUs.
- Transaction code F denotes tax withholding (not an open-market sale or purchase).
Context
- This was a routine, non-discretionary tax-withholding action (cashless withholding) upon RSU vesting, common for equity-compensated employees. Such withholdings generally do not indicate a change in the insider’s market view.
Insider Transaction Report
Form 4
Sestanovich Elizabeth
Chief People Officer
Transactions
- Tax Payment
Class A Common Stock
[F1][F2]2026-01-28$4.18/sh−211$882→ 59,289 total
Footnotes (2)
- [F1]Upon the vesting of 375 restricted stock units ("RSUs") previously granted to the reporting person, the Company withheld 211 shares to cover the reporting person's tax withholding obligation with respect to the vesting of such RSUs.
- [F2]Includes 42,680 unvested RSUs.
Signature
/s/ Daniel Weinrot, Attorney-in-Fact for Elizabeth Sestanovich|2026-01-29