---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-172619"
form_type: "8-K"
ticker: "ALSN"
cik: "0001411207"
company_name: "Allison Transmission Holdings Inc"
filed_at: "2025-08-04T23:59:59+00:00"
generated_at: "2026-05-17T21:24:02.487779+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Allison Q2 EPS record $2.29; announces $2.7B acquisition of Dana Off-Highway

## Summary
- Diluted EPS $2.29 (record), up 8% YoY; net income $195M, up 4%.
- Net sales $814M, roughly flat YoY; Defense up $20M, Outside NA On-Highway up $14M.
- Definitive agreement to acquire Dana Off-Highway for ~$2.7B; expected close late Q4 2025.
- Adjusted EBITDA margin 38.5%, up 160 bps; Adjusted EBITDA $313M.
- FY2025 guidance revised: net sales $3,075-$3,175M, Adj. EBITDA $1,130-$1,180M.

## SEC filing metadata
- accession: 0001193125-25-172619
- form_type: 8-K
- ticker: ALSN
- cik: 0001411207
- company_name: Allison Transmission Holdings Inc
- filed_at: 2025-08-04T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1411207/000119312525172619/0001193125-25-172619-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1411207/000119312525172619/d149090d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-172619
- JSON: https://secwatch.observer/filing/0001193125-25-172619.json
- Plain text: https://secwatch.observer/filing/0001193125-25-172619.txt

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