---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-123967"
form_type: "8-K"
ticker: "CRS"
cik: "0000017843"
company_name: "CARPENTER TECHNOLOGY CORP"
filed_at: "2023-12-06T23:59:59+00:00"
generated_at: "2026-06-07T17:18:56.784627+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.15
calibrated_materiality_score: 0.15
confidence: "high"
source: SEC EDGAR
---

# Director Kathy Hopinkah Hannan resigns from Carpenter Technology Board

## Summary
- Dr. Kathy Hopinkah Hannan notified her resignation as director on Dec 1, 2023, effective Dec 7, 2023.
- Resignation not due to any disagreement with the company or management regarding operations, policies, or practices.
- No replacement named; board size reduced by one.

## SEC filing metadata
- accession: 0001104659-23-123967
- form_type: 8-K
- ticker: CRS
- cik: 0000017843
- company_name: CARPENTER TECHNOLOGY CORP
- filed_at: 2023-12-06T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.15
- calibrated_materiality_score: 0.15
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/17843/000110465923123967/0001104659-23-123967-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/17843/000110465923123967/tm2332281d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-123967
- JSON: https://secwatch.observer/filing/0001104659-23-123967.json
- Plain text: https://secwatch.observer/filing/0001104659-23-123967.txt

## Key facts
- Executive change
  Kathy Hopinkah Hannan resigned as director at CARPENTER TECHNOLOGY CORP.
  - Action: resigned
  - Role: director
  source text: On December 1, 2023, Dr. Kathy Hopinkah Hannan notified the board of directors of Carpenter Technology Corporation (the “Company”) of her intention to resign as a director of the Company, effective December 7, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/17843/000110465923123967/0001104659-23-123967-index.htm

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