---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-24-033768"
form_type: "8-K"
ticker: "ALSN"
cik: "0001411207"
company_name: "Allison Transmission Holdings Inc"
filed_at: "2024-02-13T23:59:59+00:00"
generated_at: "2026-06-06T03:16:23.925953+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Allison Transmission reports record FY2023 net sales of $3.04B; diluted EPS $7.40, up 34% YoY

## Summary
- Record Q4 net sales $775M (+8% YoY); Q4 diluted EPS $1.91 (+26% YoY).
- Full year net sales $3,035M (+10% YoY); net income $673M; Adjusted EBITDA $1,108M.
- North America On-Highway net sales up 13% YoY; Service Parts segment record $696M (+18%).
- Repurchased over $260M of common stock (~6% of shares); dividend increased 4th consecutive year.
- Management guides to another record revenue year in 2024 at midpoint.

## SEC filing metadata
- accession: 0001193125-24-033768
- form_type: 8-K
- ticker: ALSN
- cik: 0001411207
- company_name: Allison Transmission Holdings Inc
- filed_at: 2024-02-13T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1411207/000119312524033768/0001193125-24-033768-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1411207/000119312524033768/d787994d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-24-033768
- JSON: https://secwatch.observer/filing/0001193125-24-033768.json
- Plain text: https://secwatch.observer/filing/0001193125-24-033768.txt

## Key facts
- Earnings Releases
  Allison Transmission Holdings Inc reported financial results for the three months and year ended December 31, 2023.
  - Period: the three months and year ended December 31, 2023
  - Result: reported results
  source text: On February 13, 2024, Allison Transmission Holdings, Inc. (“Allison”) published an earnings release reporting its financial results for the three months and year ended December 31, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1411207/000119312524033768/0001193125-24-033768-index.htm

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