---
schema_version: "secwatch.filing_event.v1"
accession: "0000939767-25-000133"
form_type: "8-K"
ticker: "EXEL"
cik: "0000939767"
company_name: "EXELIXIS, INC."
filed_at: "2025-11-07T23:59:59+00:00"
generated_at: "2026-05-16T23:16:55.107808+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Exelixis GC Jeff Hessekiel resigns; Brenda Hefti promoted to succeed him

## Summary
- Jeffrey Hessekiel, EVP & General Counsel, resigns effective Nov 2025; ceases role Nov 7.
- Resignation not due to any disagreement with the company.
- Brenda Hefti, SVP IP & Licensing, promoted to General Counsel effective Nov 7, 2025.
- Hefti joined in 2013, became Head of IP in 2014, and SVP since 2020; reports to CEO.

## SEC filing metadata
- accession: 0000939767-25-000133
- form_type: 8-K
- ticker: EXEL
- cik: 0000939767
- company_name: EXELIXIS, INC.
- filed_at: 2025-11-07T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.02, 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/939767/000093976725000133/0000939767-25-000133-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/939767/000093976725000133/exel-20251104.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000939767-25-000133
- JSON: https://secwatch.observer/filing/0000939767-25-000133.json
- Plain text: https://secwatch.observer/filing/0000939767-25-000133.txt

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