---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-21-297915"
form_type: "8-K"
ticker: "CHRS"
cik: "0001512762"
company_name: "Coherus Oncology, Inc."
filed_at: "2021-10-13T23:59:59+00:00"
generated_at: "2026-06-28T21:06:43.837161+00:00"
event_type: "leadership"
sentiment: "negative"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Coherus BioSciences announces unexpected death of board member Alan C. Mendelson

## Summary
- Alan C. Mendelson passed away unexpectedly on October 8, 2021.
- He served as a director since January 2021 and as external legal counsel since Coherus' founding in 2010.
- Mendelson was a partner at Latham & Watkins and Cooley, and acted as general counsel at Amgen and Cadence.
- He served on boards of several public biotech companies including Aviron, CV Therapeutics, and QLT.
- CEO Denny Lanfear expressed condolences, noting Mendelson's profound impact on the company and industry.

## SEC filing metadata
- accession: 0001193125-21-297915
- form_type: 8-K
- ticker: CHRS
- cik: 0001512762
- company_name: Coherus Oncology, Inc.
- filed_at: 2021-10-13T23:59:59+00:00
- event_type: leadership
- sentiment: negative
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1512762/000119312521297915/0001193125-21-297915-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1512762/000119312521297915/d237076d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-21-297915
- JSON: https://secwatch.observer/filing/0001193125-21-297915.json
- Plain text: https://secwatch.observer/filing/0001193125-21-297915.txt

## Key facts
- Executive change
  Alan C. Mendelson departed as Director at Coherus Oncology, Inc..
  - Action: passed away
  - Role: Director
  source text: deeply regrets to announce that Alan C. Mendelson, a member of the Company’s Board of Directors, unexpectedly passed away on Friday, October 8, 2021.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1512762/000119312521297915/0001193125-21-297915-index.htm

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