---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-106549"
form_type: "8-K/A"
ticker: "ALSN"
cik: "0001411207"
company_name: "Allison Transmission Holdings Inc"
filed_at: "2026-03-16T23:59:59+00:00"
generated_at: "2026-05-15T11:30:08.989938+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Allison Transmission closes $2.732B acquisition of Dana off-highway business; posts FY2024 net sales $2.7B

## Summary
- Acquired Dana's off-highway business for $2.732B via cash and debt; closed Jan 1, 2026.
- Dana off-highway FY2024 net sales $2,696M, net income $205M; FY2023 net sales $3,085M, net income $238M.
- Audited combined financial statements as of Dec 31, 2024 provided; includes restatement correction.
- Pro forma unaudited financials filed as Exhibit 99.3 for illustrative purposes.

## SEC filing metadata
- accession: 0001193125-26-106549
- form_type: 8-K/A
- ticker: ALSN
- cik: 0001411207
- company_name: Allison Transmission Holdings Inc
- filed_at: 2026-03-16T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1411207/000119312526106549/0001193125-26-106549-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1411207/000119312526106549/d114759d8ka.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-106549
- JSON: https://secwatch.observer/filing/0001193125-26-106549.json
- Plain text: https://secwatch.observer/filing/0001193125-26-106549.txt

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