secwatch.observer — SEC 8-K summary
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Issuer:     Custom Truck One Source, Inc. (CTOS)
CIK:        0001709682
Form:       8-K
Filed at:   2026-04-27T23:59:59+00:00
Accession:  0001709682-26-000017
Event type: earnings
Sentiment:  positive
Materiality: 0.80
Item codes: 2.02, 7.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

CTOS Q1 revenue record $461.6M (+9.3% YoY); raises FY 2026 Adjusted EBITDA guidance to $415M-$440M
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- Net loss narrowed to $4.1M from $17.8M YoY; Adjusted EBITDA $98.0M, up 33.4%.
- SER rental fleet utilization 81.4% (+370bps YoY); average OEC on rent up 11.8%.
- STEM equipment sales +4.4% YoY; backlog $411.3M, up ~23% from Q4 2025.
- FY 2026 EBITDA guidance raised to $415M-$440M; levered FCF expected >$50M.
- Net leverage 4.02x; target below 4x by year-end 2026, below 3x in 2027.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1709682/000170968226000017/0001709682-26-000017-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1709682/000170968226000017/ctos-20260427.htm
  HTML page:      https://secwatch.observer/filing/0001709682-26-000017

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