---
schema_version: "secwatch.filing_event.v1"
accession: "0001558370-24-008918"
form_type: "8-K"
ticker: "CHRS"
cik: "0001512762"
company_name: "Coherus Oncology, Inc."
filed_at: "2024-06-05T23:59:59+00:00"
generated_at: "2026-06-01T06:14:52.932020+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# Coherus BioSciences appoints Rita A. Karachun to Board of Directors

## Summary
- Board size increased from 10 to 11; Karachun appointed as Class II director effective May 31, 2024.
- To serve on Audit Committee; received option for 168,000 shares vesting over 3 years.
- Previously SVP & Global Controller at Merck & Co. (2014-2023).
- Annual cash retainer of $60k for board and audit committee service.

## SEC filing metadata
- accession: 0001558370-24-008918
- form_type: 8-K
- ticker: CHRS
- cik: 0001512762
- company_name: Coherus Oncology, Inc.
- filed_at: 2024-06-05T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1512762/000155837024008918/0001558370-24-008918-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1512762/000155837024008918/chrs-20240531x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001558370-24-008918
- JSON: https://secwatch.observer/filing/0001558370-24-008918.json
- Plain text: https://secwatch.observer/filing/0001558370-24-008918.txt

## Key facts
- Executive change
  Rita A. Karachun was appointed as Class II Director at Coherus Oncology, Inc..
  - Action: appointed
  - Role: Class II Director
  source text: the vacancy on the Board created by such increase would be filled by the appointment of Rita A. Karachun, with such appointment becoming effective upon the receipt of certain confirmations, which were received May 31, 2024.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1512762/000155837024008918/0001558370-24-008918-index.htm

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