---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-236169"
form_type: "8-K"
ticker: "VLO"
cik: "0001035002"
company_name: "VALERO ENERGY CORP/TX"
filed_at: "2023-09-15T23:59:59+00:00"
generated_at: "2026-06-10T15:53:35.566406+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Valero CTO to retire; Board adds $2.5B buyback authorization

## Summary
- Cheryl L. Thomas, SVP & CTO, plans to retire on or about Jan 2, 2024; will help transition duties internally.
- Board authorized new $2.5B share repurchase program with no expiration, supplementing existing $2.5B authorization from Feb 2023.
- Combined remaining repurchase capacity now up to $5.0B, signaling strong capital return intent.

## SEC filing metadata
- accession: 0001193125-23-236169
- form_type: 8-K
- ticker: VLO
- cik: 0001035002
- company_name: VALERO ENERGY CORP/TX
- filed_at: 2023-09-15T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02, 7.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1035002/000119312523236169/0001193125-23-236169-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1035002/000119312523236169/d553514d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-236169
- JSON: https://secwatch.observer/filing/0001193125-23-236169.json
- Plain text: https://secwatch.observer/filing/0001193125-23-236169.txt

## Key facts
- Executive change
  Cheryl L. Thomas departed as Senior Vice President and Chief Technology Officer at VALERO ENERGY CORP/TX.
  - Action: retire
  - Role: Senior Vice President and Chief Technology Officer
  source text: On September 11, 2023, Cheryl L. Thomas, age 62, and Senior Vice President and Chief Technology Officer of Valero Energy Corporation (“Valero”), informed Valero that she intends to retire on or about January 2, 2024.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1035002/000119312523236169/0001193125-23-236169-index.htm

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