ITS
InsiderTrading
TradesInsidersCompaniesCluster BuysRankingsAbout
ITS
InsiderTrading Screener

Track SEC Form 4 insider trades. See what corporate insiders are buying and selling.

Browse

  • Trades
  • Insiders
  • Companies
  • Cluster Buys
  • Rankings

Top Insiders

  • Mark Zuckerberg
  • Elon Musk
  • Jamie Dimon
  • Satya Nadella
  • Lisa Su
  • Jensen Huang

Screeners

  • CEO & CFO Purchases
  • Director Purchases
  • Top Buys This Week
  • Top Sales This Week
  • 10b5-1 Trades
  • Buy/Sell Ratios
  • Politician Overlap
  • Sectors

Learn

  • Learn
  • What is a Form 4?
  • About & Methodology
  • What are Cluster Buys?
  • Top Insider Rankings
  • Contact Us
  • Privacy Policy
  • Terms of Use

Data

  • SEC EDGAR Form 4 ↗
  • CongressStock.com ↗
  • Track13F.com ↗
  • About the data
© 2026 InsiderTradingScreener.com. Data from SEC EDGAR Form 4 filings.For informational purposes only. Not financial advice.
Home/Companies/System1, Inc.

System1, Inc.

53 insider trades tracked

SST
Insider trades
53
Bought (open market)
$385K
Sold (open market)
$0
Unique insiders
14

12-month activity

Monthly insider buy vs sell totals for System1, Inc..

BuysSellsFilings with no price (gifts, grants)
Show data table
MonthBuysSellsFilings
October 2025$0$08
November 2025$0$00
December 2025$0$00
January 2026$0$08
February 2026$0$00
March 2026$0$00
April 2026$81K$05
May 2026$0$01
June 2026$0$00
July 2026$0$04
August 2026$0$00
September 2026$0$00

Recent insider trades

Most recent Form 4 filings for System1, Inc..

  • Sestanovich Elizabethtax-withheld7,058 shares ofSSTat $2.6$18KJul 15 · filed Jul 17Details
  • Coppola Briantax-withheld6,124 shares ofSSTat $2.6$16KJul 15 · filed Jul 17Details
  • Kidambi Tridiveshtax-withheld6,022 shares ofSSTat $2.6$16KJul 15

Insiders at this company

Executives and directors who have filed Form 4s.

  • Kidambi Tridivesh12 trades
  • Weinrot Daniel J9 trades
  • Coppola Brian9 trades
  • Sestanovich Elizabeth9 trades
  • CEE Holdings Trust4 trades
  • Blend Stanley2 trades
  • Ursini Charles1 trades
  • MARTIRE FRANK R1 trades

Explore insider screeners

Latest CEO & CFO PurchasesLatest CEO & CFO SalesDirector PurchasesOfficer PurchasesTop Purchases This WeekTop Sales This WeekTop Officer Buys (Month)10% Owner Filings10b5-1 Planned TradesDiscretionary TradesBuy/Sell RatiosPolitician-Insider Overlap
· filed Jul 17
Details
  • Weinrot Daniel Jtax-withheld9,156 shares ofSSTat $2.6$24KJul 15 · filed Jul 17Details
  • Kidambi Tridiveshgranted35,300 shares ofSSTat $0May 29 · filed Jun 2Details
  • Kidambi Tridiveshtax-withheld301 shares ofSSTat $2.26$680Apr 15 · filed Apr 17Details
  • Kidambi Tridiveshbought26,910 shares ofSSTat $3$81KApr 15 · filed Apr 17Details
  • Sestanovich Elizabethtax-withheld341 shares ofSSTat $2.26$771Apr 15 · filed Apr 17Details
  • Coppola Briantax-withheld331 shares ofSSTat $2.26$748Apr 15 · filed Apr 17Details
  • Weinrot Daniel Jtax-withheld341 shares ofSSTat $2.26$771Apr 15 · filed Apr 17Details
  • Kidambi Tridiveshtax-withheld258 shares ofSSTat $4.18$1KJan 28 · filed Jan 29Details
  • Sestanovich Elizabethtax-withheld211 shares ofSSTat $4.18$882Jan 28 · filed Jan 29Details
  • Coppola Briantax-withheld231 shares ofSSTat $4.18$966Jan 28 · filed Jan 29Details
  • Weinrot Daniel Jtax-withheld211 shares ofSSTat $4.18$882Jan 28 · filed Jan 29Details
  • Kidambi Tridiveshtax-withheld345 shares ofSSTat $4.4$2KJan 15 · filed Jan 16Details
  • Sestanovich Elizabethtax-withheld377 shares ofSSTat $4.4$2KJan 15 · filed Jan 16Details
  • Coppola Briantax-withheld371 shares ofSSTat $4.4$2KJan 15 · filed Jan 16Details
  • Weinrot Daniel Jtax-withheld377 shares ofSSTat $4.4$2KJan 15 · filed Jan 16Details
  • Kidambi Tridiveshtax-withheld263 shares ofSSTat $6.18$2KOct 28, 2025 · filed Oct 30, 2025Details
  • Sestanovich Elizabethtax-withheld158 shares ofSSTat $6.18$976Oct 28, 2025 · filed Oct 30, 2025Details
  • Coppola Briantax-withheld235 shares ofSSTat $6.18$1KOct 28, 2025 · filed Oct 30, 2025Details
  • Weinrot Daniel Jtax-withheld214 shares ofSSTat $6.18$1KOct 28, 2025 · filed Oct 30, 2025Details
  • Coppola Briantax-withheld377 shares ofSSTat $7.94$3KOct 15, 2025 · filed Oct 17, 2025Details
  • Kidambi Tridiveshtax-withheld352 shares ofSSTat $7.94$3KOct 15, 2025 · filed Oct 17, 2025Details
  • Sestanovich Elizabethtax-withheld282 shares ofSSTat $7.94$2KOct 15, 2025 · filed Oct 17, 2025Details
  • Weinrot Daniel Jtax-withheld382 shares ofSSTat $7.94$3KOct 15, 2025 · filed Oct 17, 2025Details
  • CEE Holdings Trustbought11,015 shares ofSSTat $7.32$81KAug 22, 2025 · filed Aug 26, 2025Details
  • CEE Holdings Trustbought12,584 shares ofSSTat $6.9$87KAug 21, 2025Details
  • CEE Holdings Trustbought12,584 shares ofSSTat $6.25$79KAug 20, 2025 · filed Aug 21, 2025Details
  • CEE Holdings Trustbought6,567 shares ofSSTat $6.32$42KAug 19, 2025 · filed Aug 21, 2025Details
  • View all trades for SST →
    Naidu Taryn Jogi
    1 trades
  • Kumar Tanmay1 trades
  • Kazerani Moujan1 trades
  • Horn Caroline1 trades
  • Civantos John1 trades
  • Caswell Ryan R.1 trades