secwatch.observer — SEC 8-K summary
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Issuer:     System1, Inc. (SST)
CIK:        0001805833
Form:       8-K
Filed at:   2026-03-11T23:59:59+00:00
Accession:  0001805833-26-000012
Event type: earnings
Sentiment:  negative
Materiality: 0.70
Item codes: 2.02, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

System1 Q4 revenue down 31% YoY to $51.9M; full-year revenue falls 23% to $266.1M
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- Full-year revenue $266.1M (-23% YoY); GAAP net loss improved 17% to $81.2M.
- Q4 revenue $51.9M (-31% YoY); adjusted EBITDA $8.2M (-54% YoY).
- Adjusted gross profit margin improved to 58% for FY (from 44%) and 67% in Q4 (from 59%).
- Startpage daily active users 1.6M in Dec 2025 (+42% YoY); Mapquest sessions 36M (+24%).
- Management evaluating balance sheet and capital structure optimization amid Q4 headwinds.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1805833/000180583326000012/0001805833-26-000012-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1805833/000180583326000012/sst-20260311.htm
  HTML page:      https://secwatch.observer/filing/0001805833-26-000012

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer