---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-22-009882"
form_type: "8-K"
ticker: "KZR"
cik: "0001645666"
company_name: "Kezar Life Sciences, Inc."
filed_at: "2022-05-13T23:59:59+00:00"
generated_at: "2026-06-25T16:48:45.529943+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Chairman Jean-Pierre Sommadossi resigns; Graham Cooper appointed Chairman of Kezar Life Sciences

## Summary
- Jean-Pierre Sommadossi resigned as Chairman and from the Board, effective May 11, 2022, no disagreement with management.
- Board appointed current director Graham Cooper as Chairman on May 12, 2022.
- Cooper received a one-time option to purchase 26,000 shares, vesting monthly over three years contingent on board service.

## SEC filing metadata
- accession: 0000950170-22-009882
- form_type: 8-K
- ticker: KZR
- cik: 0001645666
- company_name: Kezar Life Sciences, Inc.
- filed_at: 2022-05-13T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1645666/000095017022009882/0000950170-22-009882-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1645666/000095017022009882/kzr-20220511.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-22-009882
- JSON: https://secwatch.observer/filing/0000950170-22-009882.json
- Plain text: https://secwatch.observer/filing/0000950170-22-009882.txt

## Key facts
- Executive change
  Jean-Pierre Sommadossi resigned as Chairman of the Board of Directors at Kezar Life Sciences, Inc..
  - Action: resigned
  - Role: Chairman of the Board of Directors
  source text: On May 11, 2022, Jean-Pierre Sommadossi, Ph.D., Chairman of the Board of Directors (the “Board”) of Kezar Life Sciences, Inc. (the “Company”) tendered his resignation from the Board effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1645666/000095017022009882/0000950170-22-009882-index.htm
- Executive change
  Graham Cooper was appointed as Chairman of the Board at Kezar Life Sciences, Inc..
  - Action: appointed
  - Role: Chairman of the Board
  source text: the Board appointed current director Graham Cooper as Chairman of the Board
  evidence_url: https://www.sec.gov/Archives/edgar/data/1645666/000095017022009882/0000950170-22-009882-index.htm

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