---
schema_version: "secwatch.filing_event.v1"
accession: "0002011286-25-000056"
form_type: "8-K"
ticker: "AMTM"
cik: "0002011286"
company_name: "Amentum Holdings, Inc."
filed_at: "2025-02-04T23:59:59+00:00"
generated_at: "2026-05-27T03:41:05.114444+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Amentum Q1 revenues $3.4B, net income $12M; reaffirms FY2025 guidance

## Summary
- Revenue $3.416B, up 2.3% pro forma YoY; net income $12M vs year-ago net loss.
- Adjusted EBITDA $262M, margin 7.7%; adjusted diluted EPS $0.51.
- Operating cash flow $110M, free cash flow $102M.
- Backlog $45B; net bookings $3.6B (book-to-bill 1.1x).
- Company reaffirms full-year fiscal 2025 outlook across all metrics.

## SEC filing metadata
- accession: 0002011286-25-000056
- form_type: 8-K
- ticker: AMTM
- cik: 0002011286
- company_name: Amentum Holdings, Inc.
- filed_at: 2025-02-04T23:59:59+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/2011286/000201128625000056/0002011286-25-000056-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2011286/000201128625000056/amtm-20250204.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0002011286-25-000056
- JSON: https://secwatch.observer/filing/0002011286-25-000056.json
- Plain text: https://secwatch.observer/filing/0002011286-25-000056.txt

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