---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-092414"
form_type: "8-K"
ticker: "QNCX"
cik: "0001662774"
company_name: "Quince Therapeutics, Inc."
filed_at: "2023-04-05T23:59:59+00:00"
generated_at: "2026-06-17T05:52:58.927315+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Quince Therapeutics adopts one-year poison pill after unsolicited bid, share accumulation

## Summary
- Rights plan effective immediately, expires April 5, 2024; dividend of one right per share on April 17, 2023.
- Trigger at 10% beneficial ownership (15% for passive institutional); exercise price $6.00 per right.
- Rights become exercisable if threshold crossed; holders (except triggering party) can buy shares at 2x market value.
- Board may redeem rights for $0.001 each before trigger; company retaining financial advisor for strategic alternatives.
- Plan adopted in response to unsolicited acquisition proposal and share accumulation by certain investors.

## SEC filing metadata
- accession: 0001193125-23-092414
- form_type: 8-K
- ticker: QNCX
- cik: 0001662774
- company_name: Quince Therapeutics, Inc.
- filed_at: 2023-04-05T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 1.01, 3.03, 5.03, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1662774/000119312523092414/0001193125-23-092414-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1662774/000119312523092414/d487171d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-092414
- JSON: https://secwatch.observer/filing/0001193125-23-092414.json
- Plain text: https://secwatch.observer/filing/0001193125-23-092414.txt

## Key facts
- Governance Changes
  Quince Therapeutics, Inc.: Board adopted a limited duration stockholder rights plan, declaring a dividend of one preferred share purchase right per common share, effective immediately, expiring April 5, 2024 (effective 2023-04-05).
  - Change: charter amendment
  - Effective: 2023-04-05
  source text: its Board of Directors (the “Board”) unanimously approved the adoption of a limited duration stockholder rights plan (the “Rights Plan”) and declared a dividend distribution of one preferred share purchase right on each outstanding share of Quince’s common stock.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1662774/000119312523092414/0001193125-23-092414-index.htm

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