System1, Inc.
System1, Inc. (SST) is a publicly traded company in the Unknown sector. Across all available filings, 30 corporate insiders have executed 295 transactions totaling $67.2M, demonstrating a bearish sentiment with -$58.5M in net insider flow. The most recent transaction on Jan 28, 2026 involved a transaction of 211 shares valued at $882.
SST Insider Activity Summary
Who Is Buying SST Stock?
No significant insider buying has been recorded for SST in the recent period.
Who Is Selling SST Stock?
No significant insider selling has been recorded for SST in the recent period.
Is System1, Inc. Insider Trading Bullish or Bearish?
Based on recent SEC filings, insider sentiment for SST is bearish with an Insider Alignment Score of 6/100 and a net flow of -$58.5M. Insiders are reducing their positions, though this can be driven by factors unrelated to company outlook.
SST Frequently Asked Questions
Understanding SST Insider Activity
Insider trading at System1, Inc. (SST) refers to stock transactions made by corporate insiders—executives, directors, and beneficial owners holding more than 10% of the company's shares. These individuals have access to material non-public information and are required by law to report their trades to the SEC within two business days. Currently, 30 insiders are actively trading SST stock, having executed 295 transactions in the past 90 days. The most active insider is Trebia, Lp Trasimene (Executive), who has made 5 transactions totaling $108.9M.
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Track System1, Inc. Insider Activity
Get notified when executives and directors at SST file new Form 4 transactions