---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-22-019786"
form_type: "8-K"
ticker: "ALSN"
cik: "0001411207"
company_name: "Allison Transmission Holdings Inc"
filed_at: "2022-01-27T23:59:59+00:00"
generated_at: "2026-06-27T14:53:35.738747+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Allison Transmission SVP Operations & Purchasing Michael Dick to retire March 11, 2022

## Summary
- Michael Dick, SVP Operations & Purchasing, will retire effective March 11, 2022; enters separation agreement with prorated equity vesting and non-compete.
- Rafael Basso promoted to VP of Operations; Teresa van Niekerk retains VP of Purchasing and Supplier Quality; both report directly to CEO after retirement.
- Dick's retirement is planned; he will assist with transition until his retirement date.

## SEC filing metadata
- accession: 0001193125-22-019786
- form_type: 8-K
- ticker: ALSN
- cik: 0001411207
- company_name: Allison Transmission Holdings Inc
- filed_at: 2022-01-27T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1411207/000119312522019786/0001193125-22-019786-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1411207/000119312522019786/d299801d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-22-019786
- JSON: https://secwatch.observer/filing/0001193125-22-019786.json
- Plain text: https://secwatch.observer/filing/0001193125-22-019786.txt

## Key facts
- Executive change
  Michael A. Dick retired as Senior Vice President, Operations and Purchasing at Allison Transmission Holdings Inc.
  - Action: retired
  - Role: Senior Vice President, Operations and Purchasing
  source text: Michael A. Dick, Senior Vice President, Operations and Purchasing of Allison Transmission Holdings, Inc. (the “Company”), notified the Company that he would retire from his position effective March 11, 2022.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1411207/000119312522019786/0001193125-22-019786-index.htm
- Executive change
  Rafael Basso was appointed as Vice President of Operations at Allison Transmission Holdings Inc.
  - Action: appointed
  - Role: Vice President of Operations
  source text: Effective March 12, 2022, Mr. Basso will assume the role of Vice President of Operations with responsibility for oversight of plant operations, Walker Die Casting, facilities, business development, global supply chain and manufacturing engineering.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1411207/000119312522019786/0001193125-22-019786-index.htm

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