---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-23-042737"
form_type: "8-K"
ticker: "QSI"
cik: "0001816431"
company_name: "Quantum-Si Inc"
filed_at: "2023-09-05T23:59:59+00:00"
generated_at: "2026-06-11T00:09:28.195201+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Quantum-Si COO Patrick Schneider departs; separation agreement provides $356,250 and partial option vesting

## Summary
- Employment terminated August 31, 2023; separation pay of $356,250 lump sum.
- 291,666 stock options vest; remaining 2,408,334 unvested options forfeited.
- Company to pay COBRA health premiums through May 31, 2024, or until new coverage.
- Separation includes standard release, non-disparagement, and cooperation clauses.

## SEC filing metadata
- accession: 0001140361-23-042737
- form_type: 8-K
- ticker: QSI
- cik: 0001816431
- company_name: Quantum-Si Inc
- filed_at: 2023-09-05T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1816431/000114036123042737/0001140361-23-042737-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1816431/000114036123042737/brhc20058504_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-23-042737
- JSON: https://secwatch.observer/filing/0001140361-23-042737.json
- Plain text: https://secwatch.observer/filing/0001140361-23-042737.txt

## Key facts
- Executive change
  Patrick Schneider was terminated as President and Chief Operating Officer at Quantum-Si Inc.
  - Action: terminated
  - Role: President and Chief Operating Officer
  source text: Pursuant to the Separation Agreement, Dr. Schneider’s employment with the Company terminated on August 31, 2023 (the “Separation Date”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1816431/000114036123042737/0001140361-23-042737-index.htm

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