---
schema_version: "secwatch.filing_event.v1"
accession: "0000875320-23-000047"
form_type: "8-K"
ticker: "VRTX"
cik: "0000875320"
company_name: "VERTEX PHARMACEUTICALS INC / MA"
filed_at: "2023-12-05T23:59:59+00:00"
generated_at: "2026-06-07T18:27:38.956708+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Vertex appoints Nancy Thornberry to board of directors

## Summary
- Nancy Thornberry, former CEO of Kallyope and ex-Merck executive, joins the board effective December 5, 2023.
- Board size increased from 10 to 11 members with Thornberry's appointment.
- Thornberry received a $400,000 restricted stock unit award vesting in December 2024.
- No related party transactions or arrangements with any other persons were disclosed.

## SEC filing metadata
- accession: 0000875320-23-000047
- form_type: 8-K
- ticker: VRTX
- cik: 0000875320
- company_name: VERTEX PHARMACEUTICALS INC / MA
- filed_at: 2023-12-05T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/875320/000087532023000047/0000875320-23-000047-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/875320/000087532023000047/vrtx-20231205.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000875320-23-000047
- JSON: https://secwatch.observer/filing/0000875320-23-000047.json
- Plain text: https://secwatch.observer/filing/0000875320-23-000047.txt

## Key facts
- Executive change
  Nancy Thornberry was appointed as member of the board of directors at VERTEX PHARMACEUTICALS INC / MA.
  - Action: appointed
  - Role: member of the board of directors
  source text: On December 5, 2023, Nancy Thornberry was appointed as a new member of the board of directors (the “Board”) of Vertex Pharmaceuticals Incorporated (the “Company”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/875320/000087532023000047/0000875320-23-000047-index.htm

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