---
schema_version: "secwatch.filing_event.v1"
accession: "0001694426-21-000179"
form_type: "8-K"
ticker: "DK"
cik: "0001694426"
company_name: "Delek US Holdings, Inc."
filed_at: "2021-10-12T23:59:59+00:00"
generated_at: "2026-06-28T21:32:09.824894+00:00"
event_type: "leadership"
sentiment: "negative"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Delek US EVP and President of Refining Louis LaBella passes away; Nithia Thaver assumes role

## Summary
- Louis LaBella, EVP and President of Refining, died October 6, 2021 after brief illness.
- LaBella served 10 years since Delek's acquisition of Lion Oil Company.
- Nithia Thaver, Senior Vice President of Refining, has taken over LaBella's responsibilities.

## SEC filing metadata
- accession: 0001694426-21-000179
- form_type: 8-K
- ticker: DK
- cik: 0001694426
- company_name: Delek US Holdings, Inc.
- filed_at: 2021-10-12T23:59:59+00:00
- event_type: leadership
- sentiment: negative
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1694426/000169442621000179/0001694426-21-000179-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1694426/000169442621000179/dk-20211012.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001694426-21-000179
- JSON: https://secwatch.observer/filing/0001694426-21-000179.json
- Plain text: https://secwatch.observer/filing/0001694426-21-000179.txt

## Key facts
- Executive change
  Nithia Thaver was appointed as Senior Vice President, Refining at Delek US Holdings, Inc..
  - Action: assumed responsibilities
  - Role: Senior Vice President, Refining
  source text: Nithia Thaver, Delek's Senior Vice President, Refining, has assumed Mr. LaBella's responsibilities.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1694426/000169442621000179/0001694426-21-000179-index.htm
- Executive change
  Louis LaBella departed as EVP and President of Refining at Delek US Holdings, Inc..
  - Action: passed away
  - Role: EVP and President of Refining
  source text: Louis LaBella, Delek's EVP and President of Refining, passed away following a brief illness.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1694426/000169442621000179/0001694426-21-000179-index.htm

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