Form4insider filings, from the source

Company · CIK 0001805833 · SIC 7370 — Services-Computer Programming, Data Processing, Etc. · NYSE

System1, Inc. · SST

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Jul 15, 2026 FForm 4 →Jul 17, 6:08 pm EDTElizabeth SestanovichChief People Officer7,058$2.60$18,35151,890—
Jul 15, 2026 FForm 4 →Jul 17, 6:07 pm EDTBrian CoppolaChief Ad Operations Officer6,124$2.60$15,92259,774—
Jul 15, 2026 FForm 4 →Jul 17, 6:07 pm EDTTridivesh KidambiChief Financial Officer6,022$2.60$15,657175,793—
Jul 15, 2026 FForm 4 →Jul 17, 6:07 pm EDTDaniel J WeinrotGeneral Counsel & Secretary9,156$2.60$23,80659,897—

Reported at this company — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.