System1, Inc. (SST) reported insider activity by its Chief Financial Officer, Tridivesh Kidambi. A Form 4 shows an F-coded transaction on 10/15/2025 where 352 shares of Class A common stock were withheld at $7.94 per share to satisfy tax obligations tied to the vesting of 837 RSUs.
Following this event, the reporting person beneficially owns 120,772 shares. This figure includes 55,439 unvested RSUs as noted in the footnotes.
System1, Inc. (SST) reported an insider transaction by Chief People Officer Elizabeth Sestanovich. On 10/15/2025, 282 shares of Class A Common Stock were withheld at $7.94 per share to satisfy tax obligations upon the vesting of 670 RSUs, coded “F” (tax withholding).
Following the transaction, she beneficially owned 60,035 shares directly. This figure includes 44,100 unvested RSUs, as noted in the footnotes.
System1, Inc. (SST) reported an insider equity transaction by its General Counsel & Secretary, Daniel J. Weinrot. On 10/15/2025, 670 restricted stock units vested, and the company withheld 382 shares at $7.94 under code F to cover tax withholding.
Following the transaction, the reporting person beneficially owned 70,196 shares. This figure includes 56,600 unvested RSUs, reflecting both vested holdings and remaining unvested awards.