---
schema_version: "secwatch.filing_event.v1"
accession: "0000879407-26-000050"
form_type: "8-K"
ticker: "ARWR"
cik: "0000879407"
company_name: "ARROWHEAD PHARMACEUTICALS, INC."
filed_at: "2026-06-16T20:02:56+00:00"
generated_at: "2026-06-16T20:04:53.459107+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# Arrowhead appoints Dr. Matt Cohen to board of directors

## Summary
- Appointed Dr. Matt Cohen, M.D., M.B.A., as director effective June 12, 2026.
- Cohen is Managing Director at Vida Ventures; previously lead healthcare investor at JPMorgan for ~20 years.
- Received standard non-employee director compensation plus sign-on RSU grant of $887,000 vesting over three years.
- No family relationships or arrangements with any other director or officer.

## SEC filing metadata
- accession: 0000879407-26-000050
- form_type: 8-K
- ticker: ARWR
- cik: 0000879407
- company_name: ARROWHEAD PHARMACEUTICALS, INC.
- filed_at: 2026-06-16T20:02:56+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/879407/000087940726000050/0000879407-26-000050-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/879407/000087940726000050/arwr-20260612.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000879407-26-000050
- JSON: https://secwatch.observer/filing/0000879407-26-000050.json
- Plain text: https://secwatch.observer/filing/0000879407-26-000050.txt

## Key facts
- Executive change
  Dr. Matt Cohen was appointed as Director at ARROWHEAD PHARMACEUTICALS, INC..
  - Action: appointed
  - Role: Director
  source text: On June 12, 2026, the Board of Directors of Arrowhead Pharmaceuticals, Inc. (the “Company”) appointed Dr. Matt Cohen, M.D., M.B.A., as a director of the Company, effective June 12, 2026.
  evidence_url: https://www.sec.gov/Archives/edgar/data/879407/000087940726000050/0000879407-26-000050-index.htm

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