---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-023012"
form_type: "8-K"
ticker: "GILD"
cik: "0000882095"
company_name: "GILEAD SCIENCES, INC."
filed_at: "2025-03-12T23:59:59+00:00"
generated_at: "2026-05-24T22:57:18.492067+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# Gilead CAO Sandra Patterson departs; Diane Wilfong appointed interim CAO

## Summary
- Sandra Patterson, SVP, Corporate Controller and CAO, is leaving the company.
- Diane E. Wilfong appointed interim Corporate Controller and CAO, effective March 12, 2025.
- Wilfong previously served as Gilead's Corporate Controller and CAO from Feb 2016 to Mar 2023.
- Wilfong, 63, also held similar roles at Computer Sciences Corp, Caesars Entertainment, and Eastman Kodak.
- Company will conduct a search for a permanent successor; no departure reason provided.

## SEC filing metadata
- accession: 0001104659-25-023012
- form_type: 8-K
- ticker: GILD
- cik: 0000882095
- company_name: GILEAD SCIENCES, INC.
- filed_at: 2025-03-12T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/882095/000110465925023012/0001104659-25-023012-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/882095/000110465925023012/tm258955d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-023012
- JSON: https://secwatch.observer/filing/0001104659-25-023012.json
- Plain text: https://secwatch.observer/filing/0001104659-25-023012.txt

## Key facts
- Executive change
  Diane E. Wilfong was appointed as interim Corporate Controller and Chief Accounting Officer at GILEAD SCIENCES, INC..
  - Action: appointed
  - Role: interim Corporate Controller and Chief Accounting Officer
  source text: The Company’s Board of Directors has appointed Diane E. Wilfong as the Company’s interim Corporate Controller and Chief Accounting Officer, and designated her as the interim principal accounting officer, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/882095/000110465925023012/0001104659-25-023012-index.htm
- Executive change
  Sandra Patterson departed as Senior Vice President, Corporate Controller and Chief Accounting Officer at GILEAD SCIENCES, INC..
  - Action: decided to leave
  - Role: Senior Vice President, Corporate Controller and Chief Accounting Officer
  source text: Sandra Patterson, the Company’s Senior Vice President, Corporate Controller and Chief Accounting Officer and the Company’s principal accounting officer, has decided to leave the Company.
  evidence_url: https://www.sec.gov/Archives/edgar/data/882095/000110465925023012/0001104659-25-023012-index.htm

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