---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-22-155640"
form_type: "8-K"
ticker: "QNCX"
cik: "0001662774"
company_name: "Quince Therapeutics, Inc."
filed_at: "2022-05-20T23:59:59+00:00"
generated_at: "2026-06-25T08:44:07.957168+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Cortexyme completes Novosteo acquisition for ~6M shares; CLO departing

## Summary
- Completed merger with Novosteo; each Novosteo share converted to 0.0911 Cortexyme shares.
- Issued approximately 6 million shares (including options covering 507,108 shares) as consideration.
- Caryn McDowell, Chief Legal and Administrative Officer, to depart effective July 8, 2022.
- McDowell receives $339,000 cash severance, accelerated vesting, and extended option exercise period.
- Additional severance and benefits if change in control occurs within 3 months after departure.

## SEC filing metadata
- accession: 0001193125-22-155640
- form_type: 8-K
- ticker: QNCX
- cik: 0001662774
- company_name: Quince Therapeutics, Inc.
- filed_at: 2022-05-20T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.01, 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1662774/000119312522155640/0001193125-22-155640-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1662774/000119312522155640/d334868d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-22-155640
- JSON: https://secwatch.observer/filing/0001193125-22-155640.json
- Plain text: https://secwatch.observer/filing/0001193125-22-155640.txt

## Key facts
- Executive change
  Caryn McDowell departed as Chief Legal and Administrative Officer and Corporate Secretary at Quince Therapeutics, Inc..
  - Action: departed
  - Role: Chief Legal and Administrative Officer and Corporate Secretary
  source text: On May 20, 2022, the Company announced the departure of Caryn McDowell, the Company’s Chief Legal and Administrative Officer and Corporate Secretary, effective as of July 8, 2022 (the “Departure Date”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1662774/000119312522155640/0001193125-22-155640-index.htm

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