---
schema_version: "secwatch.filing_event.v1"
accession: "0002011286-25-000135"
form_type: "8-K"
ticker: "AMTM"
cik: "0002011286"
company_name: "Amentum Holdings, Inc."
filed_at: "2025-05-06T23:59:59+00:00"
generated_at: "2026-05-22T14:47:00.492588+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Amentum posts Q2 revenue $3.5B, adj. EPS $0.53; reaffirms FY2025 outlook

## Summary
- Revenue $3.49B (+1% pro forma YoY); net income $4M ($0.02 diluted EPS) vs prior year loss.
- Adjusted EBITDA $268M (7.7% margin, +20bps); adjusted diluted EPS $0.53 (vs $0.51).
- Operating cash flow $57M; free cash flow $53M; backlog $45B; year-to-date book-to-bill 1.0x.
- Company reaffirms mid-points of FY2025 guidance; highlights Rapid Solutions divestiture announced recently.

## SEC filing metadata
- accession: 0002011286-25-000135
- form_type: 8-K
- ticker: AMTM
- cik: 0002011286
- company_name: Amentum Holdings, Inc.
- filed_at: 2025-05-06T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2011286/000201128625000135/0002011286-25-000135-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2011286/000201128625000135/amtm-20250506.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0002011286-25-000135
- JSON: https://secwatch.observer/filing/0002011286-25-000135.json
- Plain text: https://secwatch.observer/filing/0002011286-25-000135.txt

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