---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-109981"
form_type: "8-K"
ticker: "ALSN"
cik: "0001411207"
company_name: "Allison Transmission Holdings Inc"
filed_at: "2025-05-01T23:59:59+00:00"
generated_at: "2026-05-23T00:08:37.084424+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Allison Transmission Q1 net income up 14% to $192M, EPS $2.23; reaffirms FY guidance

## Summary
- Net sales of $766M, down 2.9% YoY from $789M; net income rose 14% to $192M, diluted EPS $2.23 (+17%).
- Adjusted EBITDA $287M, margin 37.5% (+90 bps YoY); adjusted free cash flow $155M.
- North America On-Highway sales up $15M to $435M; Global Off-Highway down $28M to $18M on weak energy/mining demand.
- Reaffirms FY 2025 guidance: net sales $3.2-3.3B, net income $735-785M, adj. EBITDA $1.17-1.23B, FCF $635-685M.
- Repurchased over $150M of stock in Q1 (nearly 2% shares); $1.4B authorization remains; dividend increased for 6th year.

## SEC filing metadata
- accession: 0001193125-25-109981
- form_type: 8-K
- ticker: ALSN
- cik: 0001411207
- company_name: Allison Transmission Holdings Inc
- filed_at: 2025-05-01T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1411207/000119312525109981/0001193125-25-109981-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1411207/000119312525109981/d926612d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-109981
- JSON: https://secwatch.observer/filing/0001193125-25-109981.json
- Plain text: https://secwatch.observer/filing/0001193125-25-109981.txt

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