---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-24-027450"
form_type: "8-K"
ticker: "QSI"
cik: "0001816431"
company_name: "Quantum-Si Inc"
filed_at: "2024-05-24T23:59:59+00:00"
generated_at: "2026-06-01T08:48:45.062024+00:00"
event_type: "litigation"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Quantum-Si discloses shareholder class action lawsuit over SPAC merger process

## Summary
- Lawsuit filed May 16, 2024 in Delaware Court of Chancery; plaintiff Farzad v. HighCape Capital, et al.
- Claims include breach of fiduciary duty against former HighCape officers/directors; aiding and abetting against Foresite Capital and Jonathan Rothberg.
- Suit alleges unfair process and mispricing in the business combination that formed Quantum-Si.
- Seeks unspecified damages, attorneys' fees; no assurance of successful defense or insurance coverage.

## SEC filing metadata
- accession: 0001140361-24-027450
- form_type: 8-K
- ticker: QSI
- cik: 0001816431
- company_name: Quantum-Si Inc
- filed_at: 2024-05-24T23:59:59+00:00
- event_type: litigation
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1816431/000114036124027450/0001140361-24-027450-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1816431/000114036124027450/ef20030008_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-24-027450
- JSON: https://secwatch.observer/filing/0001140361-24-027450.json
- Plain text: https://secwatch.observer/filing/0001140361-24-027450.txt

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