---
schema_version: "secwatch.filing_event.v1"
accession: "0001159036-25-000005"
form_type: "8-K"
ticker: "HALO"
cik: "0001159036"
company_name: "HALOZYME THERAPEUTICS, INC."
filed_at: "2025-02-13T23:59:59+00:00"
generated_at: "2026-05-26T22:03:24.215359+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# Halozyme director Connie Matsui to leave board after nearly 18 years

## Summary
- Connie Matsui notified Halozyme on Feb 11, 2025 she will not stand for reelection at the 2025 annual meeting.
- Matsui served on the board for nearly 18 years; departure is not due to any disagreement with the company.
- No replacement has been announced; the board thanked Matsui for her service.

## SEC filing metadata
- accession: 0001159036-25-000005
- form_type: 8-K
- ticker: HALO
- cik: 0001159036
- company_name: HALOZYME THERAPEUTICS, INC.
- filed_at: 2025-02-13T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1159036/000115903625000005/0001159036-25-000005-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1159036/000115903625000005/halo-20250211.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001159036-25-000005
- JSON: https://secwatch.observer/filing/0001159036-25-000005.json
- Plain text: https://secwatch.observer/filing/0001159036-25-000005.txt

## Key facts
- Executive change
  Connie L. Matsui departed as Director at HALOZYME THERAPEUTICS, INC..
  - Action: notified intention not to stand for reelection
  - Role: Director
  source text: On February 11, 2025, Connie L. Matsui, a member of the Board of Directors of Halozyme Therapeutics, Inc. (the “Company”), notified the Company of her intention not to stand for reelection at the Company’s 2025 annual meeting of stockholders.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1159036/000115903625000005/0001159036-25-000005-index.htm

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