secwatch.observer — SEC 8-K summary
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Issuer:     Quantum-Si Inc (QSI)
CIK:        0001816431
Form:       8-K
Filed at:   2026-03-03T23:59:59+00:00
Accession:  0001816431-26-000009
Event type: earnings
Sentiment:  neutral
Materiality: 0.80
Item codes: 2.02, 9.01
LLM model:  deepseek-v4-flash:cloud

Quantum-Si reports Q4 2025 revenue of $451k, announces Proteus list price of $425k, and provides 2026 guidance
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- Fourth quarter 2025 revenue was $451,000, gross margin 27%, and net loss $17.6 million.
- Company announced list price for Proteus platform at $425,000 and reiterated on track for year-end 2026 launch.
- Full year 2026 revenue guidance of approximately $1.0 million, adjusted operating expenses $98 million or less, total cash usage $93 million or less.
- Cash and investments as of Dec 31, 2025: $215.8 million, expected to fund operations into Q2 2028.
- Legacy litigation charges of $18.7 million impacted 2025 results.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1816431/000181643126000009/0001816431-26-000009-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1816431/000181643126000009/qsi-20260303.htm
  HTML page:      https://secwatch.observer/filing/0001816431-26-000009

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