---
schema_version: "secwatch.filing_event.v1"
accession: "0001816431-24-000013"
form_type: "8-K"
ticker: "QSI"
cik: "0001816431"
company_name: "Quantum-Si Inc"
filed_at: "2024-11-12T23:59:59+00:00"
generated_at: "2026-05-30T02:08:07.846416+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Quantum-Si Q3 revenue $787k; CEO warns full-year revenue guidance unlikely

## Summary
- Q3 2024 revenue $787k, gross margin 47%; net loss $25.3M vs $24.7M a year ago.
- CEO says full-year guided revenue of $3.7-$4.2M unlikely due to lengthening sales cycles.
- New library prep and barcoding kits remain on track for Q4 launch.
- Appointed Todd Bennett as CCO, John Vieceli as Chief Product Officer, Lindsay Thompson as CHRO.
- Adjusted EBITDA negative $24.5M in Q3 vs negative $22.6M a year ago.

## SEC filing metadata
- accession: 0001816431-24-000013
- form_type: 8-K
- ticker: QSI
- cik: 0001816431
- company_name: Quantum-Si Inc
- filed_at: 2024-11-12T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1816431/000181643124000013/0001816431-24-000013-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1816431/000181643124000013/qsi-20241112.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001816431-24-000013
- JSON: https://secwatch.observer/filing/0001816431-24-000013.json
- Plain text: https://secwatch.observer/filing/0001816431-24-000013.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.