---
schema_version: "secwatch.filing_event.v1"
accession: "0001724521-26-000014"
form_type: "8-K"
ticker: "RCUS"
cik: "0001724521"
company_name: "Arcus Biosciences, Inc."
filed_at: "2026-03-23T23:59:59+00:00"
generated_at: "2026-05-15T09:22:43.490920+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Arcus Biosciences COO Jennifer Jarrett resigns effective March 30, 2026; advisory role through June 2026

## Summary
- COO Jennifer Jarrett resigns effective March 30, 2026; departure not due to any disagreement with company.
- Separation agreement includes advisory services through June 30, 2026, and extends post-termination option exercise period to 12 months.
- Agreement includes a standard release of claims; final separation agreement to be filed with next 10-Q.
- No replacement for COO position has been announced.

## SEC filing metadata
- accession: 0001724521-26-000014
- form_type: 8-K
- ticker: RCUS
- cik: 0001724521
- company_name: Arcus Biosciences, Inc.
- filed_at: 2026-03-23T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1724521/000172452126000014/0001724521-26-000014-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1724521/000172452126000014/rcus-20260317.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001724521-26-000014
- JSON: https://secwatch.observer/filing/0001724521-26-000014.json
- Plain text: https://secwatch.observer/filing/0001724521-26-000014.txt

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