---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-24-047639"
form_type: "8-K"
ticker: "QSI"
cik: "0001816431"
company_name: "Quantum-Si Inc"
filed_at: "2024-11-22T23:59:59+00:00"
generated_at: "2026-05-29T19:53:26.535050+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Quantum-Si to cut ~23% of workforce in restructuring; expects $2.6M in charges

## Summary
- Terminating approximately 23% of 187 employees; restructuring to streamline resources.
- Expected one-time cash charges of ~$2.3M in 2024 and ~$0.3M in first half 2025.
- Non-cash expense of ~$0.2M in 2024 related to stock option modifications.
- Restructuring substantially complete in Q4 2024; aligns with Proteus platform focus.

## SEC filing metadata
- accession: 0001140361-24-047639
- form_type: 8-K
- ticker: QSI
- cik: 0001816431
- company_name: Quantum-Si Inc
- filed_at: 2024-11-22T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 2.05
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1816431/000114036124047639/0001140361-24-047639-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1816431/000114036124047639/ef20039101_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-24-047639
- JSON: https://secwatch.observer/filing/0001140361-24-047639.json
- Plain text: https://secwatch.observer/filing/0001140361-24-047639.txt

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