---
schema_version: "secwatch.filing_event.v1"
accession: "0001447362-25-000085"
form_type: "8-K"
ticker: "CSTL"
cik: "0001447362"
company_name: "CASTLE BIOSCIENCES INC"
filed_at: "2025-05-23T23:59:59+00:00"
generated_at: "2026-05-20T13:48:25.217772+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# Castle Biosciences shareholders approve officer exculpation charter amendment; re-elect directors

## Summary
- Stockholders approved amendment to certificate of incorporation to limit officer liability per Delaware law, effective May 22, 2025.
- Re-elected Class III directors Kimberlee S. Caple, G. Bradley Cole, and Derek J. Maetzold to terms expiring 2028.
- Ratified KPMG as independent auditor for FY2025 with 23.7M votes for, 20.8K against.
- Approved advisory say-on-pay proposal with 20.0M for, 1.3M against, 43K abstain.
- All proposals passed with overwhelming support; broker non-votes noted for director election and say-on-pay.

## SEC filing metadata
- accession: 0001447362-25-000085
- form_type: 8-K
- ticker: CSTL
- cik: 0001447362
- company_name: CASTLE BIOSCIENCES INC
- filed_at: 2025-05-23T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 3.03, 5.03, 5.07, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1447362/000144736225000085/0001447362-25-000085-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1447362/000144736225000085/cstl-20250522.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001447362-25-000085
- JSON: https://secwatch.observer/filing/0001447362-25-000085.json
- Plain text: https://secwatch.observer/filing/0001447362-25-000085.txt

## Key facts
- Governance Changes
  CASTLE BIOSCIENCES INC: Amended and restated certificate of incorporation to add Article IX providing for exculpation of officers as permitted by Delaware law (effective 2025-05-22).
  - Change: charter amendment
  - Effective: 2025-05-22
  source text: On May 22, 2025, the Company filed the A&R Charter with the Secretary of State of the State of Delaware, which became effective upon filing.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1447362/000144736225000085/0001447362-25-000085-index.htm

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