---
schema_version: "secwatch.filing_event.v1"
accession: "0000105770-25-000083"
form_type: "8-K"
ticker: "WST"
cik: "0000105770"
company_name: "WEST PHARMACEUTICAL SERVICES INC"
filed_at: "2025-09-11T23:59:59+00:00"
generated_at: "2026-05-17T06:48:51.759589+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# General Counsel Kimberly Banks MacKay departing; transition through Dec 31, 2025

## Summary
- Kimberly Banks MacKay, SVP, General Counsel & Corporate Secretary, is leaving West Pharmaceutical.
- Transition period agreed, ending no later than December 31, 2025.
- MacKay will continue her current duties until departure.
- Company expressed gratitude for her service.

## SEC filing metadata
- accession: 0000105770-25-000083
- form_type: 8-K
- ticker: WST
- cik: 0000105770
- company_name: WEST PHARMACEUTICAL SERVICES INC
- filed_at: 2025-09-11T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/105770/000010577025000083/0000105770-25-000083-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/105770/000010577025000083/wst-20250911.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000105770-25-000083
- JSON: https://secwatch.observer/filing/0000105770-25-000083.json
- Plain text: https://secwatch.observer/filing/0000105770-25-000083.txt

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