---
schema_version: "secwatch.filing_event.v1"
accession: "0002011286-25-000090"
form_type: "8-K"
ticker: "AMTM"
cik: "0002011286"
company_name: "Amentum Holdings, Inc."
filed_at: "2025-03-07T23:59:59+00:00"
generated_at: "2026-05-25T04:24:40.333122+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Amentum files pro forma showing combined revenue $13.9B, net income $71M for FY2024

## Summary
- Pro forma combined revenue $13.9B, net income $71M attributable to common shareholders; diluted EPS $0.29.
- Post-merger ownership: Jacobs shareholders 58.5% (up to 63% with earnout), Amentum Equityholder 37% (down to 34.5%).
- New financing includes $1B 7.250% senior notes due 2032 and $3.75B term loan; prior credit agreements repaid.
- Pro forma gives effect to SpinCo separation from Jacobs and reverse Morris Trust merger with Legacy Amentum.
- Preliminary purchase price allocation subject to adjustment within 12-month measurement period.

## SEC filing metadata
- accession: 0002011286-25-000090
- form_type: 8-K
- ticker: AMTM
- cik: 0002011286
- company_name: Amentum Holdings, Inc.
- filed_at: 2025-03-07T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2011286/000201128625000090/0002011286-25-000090-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2011286/000201128625000090/amtm-20250307.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0002011286-25-000090
- JSON: https://secwatch.observer/filing/0002011286-25-000090.json
- Plain text: https://secwatch.observer/filing/0002011286-25-000090.txt

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