---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-22-083642"
form_type: "8-K"
ticker: "GILD"
cik: "0000882095"
company_name: "GILEAD SCIENCES, INC."
filed_at: "2022-07-28T23:59:59+00:00"
generated_at: "2026-06-24T07:52:33.722861+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Gilead Sciences names Sandra Patterson as new CAO, replacing Diane Wilfong

## Summary
- Diane Wilfong to step down as SVP, Corporate Controller and CAO effective March 1, 2023.
- Sandra Patterson, current VP, Assistant Controller, appointed as successor CAO effective March 1, 2023.
- Wilfong will remain post-transition to support strategic initiatives.
- Patterson has 11 years at Gilead; prior roles at Arthur Andersen, Raychem, PeopleSoft/Oracle, Clorox.
- No financial impact, guidance changes, or other material events reported.

## SEC filing metadata
- accession: 0001104659-22-083642
- form_type: 8-K
- ticker: GILD
- cik: 0000882095
- company_name: GILEAD SCIENCES, INC.
- filed_at: 2022-07-28T23:59:59+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/882095/000110465922083642/0001104659-22-083642-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/882095/000110465922083642/tm2221879d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-22-083642
- JSON: https://secwatch.observer/filing/0001104659-22-083642.json
- Plain text: https://secwatch.observer/filing/0001104659-22-083642.txt

## Key facts
- Executive change
  Diane Wilfong departed as Senior Vice President, Corporate Controller and Chief Accounting Officer at GILEAD SCIENCES, INC..
  - Action: step down
  - Role: Senior Vice President, Corporate Controller and Chief Accounting Officer
  source text: announced that Diane Wilfong plans to step down from her positions as the Company’s Senior Vice President, Corporate Controller and Chief Accounting Officer effective March 1, 2023
  evidence_url: https://www.sec.gov/Archives/edgar/data/882095/000110465922083642/0001104659-22-083642-index.htm
- Executive change
  Sandra Patterson was named as Senior Vice President, Corporate Controller, and principal accounting officer at GILEAD SCIENCES, INC..
  - Action: named
  - Role: Senior Vice President, Corporate Controller, and principal accounting officer
  source text: The Company has named Sandra Patterson, who currently serves as Vice President, Assistant Controller, to be the Company’s Senior Vice President, Corporate Controller, and principal accounting officer, effective March 1, 2023
  evidence_url: https://www.sec.gov/Archives/edgar/data/882095/000110465922083642/0001104659-22-083642-index.htm

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