---
schema_version: "secwatch.filing_event.v1"
accession: "0002011286-26-000011"
form_type: "8-K"
ticker: "AMTM"
cik: "0002011286"
company_name: "Amentum Holdings, Inc."
filed_at: "2026-04-28T23:59:59+00:00"
generated_at: "2026-05-15T03:15:10.036146+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Amentum completes $2.99B term loan refinancing, adds $1B revolver

## Summary
- New $1.400B term loan A and $1.591B term loan B, plus $1.000B revolving credit facility.
- Proceeds used to repay all outstanding borrowings under existing credit agreement.
- Term loan A matures April 24, 2031; term loan B matures September 27, 2031; revolver matures April 24, 2031.
- Interest rates: term loan A at SOFR +1.25%-2.00%; term loan B at SOFR +1.75%; revolver at SOFR +1.25%-2.00%.
- Financial maintenance covenant: max first lien net leverage ratio of 4.50x (steps to 5.00x after material acquisitions).

## SEC filing metadata
- accession: 0002011286-26-000011
- form_type: 8-K
- ticker: AMTM
- cik: 0002011286
- company_name: Amentum Holdings, Inc.
- filed_at: 2026-04-28T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 1.01, 2.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2011286/000201128626000011/0002011286-26-000011-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2011286/000201128626000011/amtm-20260424.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0002011286-26-000011
- JSON: https://secwatch.observer/filing/0002011286-26-000011.json
- Plain text: https://secwatch.observer/filing/0002011286-26-000011.txt

## Source-grounded claims
- claim_id: 14b4097005ba3dff6e5928e4297566192136b13b
  claim: Amentum Holdings, Inc. incurred term loan of $1.591 billion with JPMorgan Chase Bank, N.A. (as administrative agent) at Alternate Base Rate plus an interest rate margin of 0.75% or Term SOFR plus an i maturing September 27, 2031.
  evidence_excerpt: The Credit Agreement provides for, among other things, (a) a new five-year senior secured term loan A facility in an aggregate principal amount of $1.400 billion, (b) a new senior secured term loan B facility in an aggregate principal amount of $1.591 billion and (c) a new five-year senior secured revolving facility with commitments in an aggregate amount of $1.000 billion.
  evidence_url: https://www.sec.gov/Archives/edgar/data/2011286/000201128626000011/0002011286-26-000011-index.htm
- claim_id: af834b6bfe36ee779442fb9dcf7edfd08cbc57dc
  claim: Amentum Holdings, Inc. incurred revolving credit of $1.000 billion with JPMorgan Chase Bank, N.A. (as administrative agent) at Alternate Base Rate or Canadian Prime Rate plus an interest rate margin of 0.25% maturing April 24, 2031.
  evidence_excerpt: The Credit Agreement provides for, among other things, (a) a new five-year senior secured term loan A facility in an aggregate principal amount of $1.400 billion, (b) a new senior secured term loan B facility in an aggregate principal amount of $1.591 billion and (c) a new five-year senior secured revolving facility with commitments in an aggregate amount of $1.000 billion.
  evidence_url: https://www.sec.gov/Archives/edgar/data/2011286/000201128626000011/0002011286-26-000011-index.htm
- claim_id: cdd233cb39cf63a470a94ab2e22f2dbe49de9352
  claim: Amentum Holdings, Inc. incurred term loan of $1.400 billion with JPMorgan Chase Bank, N.A. (as administrative agent) at Alternate Base Rate plus an interest rate margin of 0.25% to 1.00% or Term SOFR maturing April 24, 2031.
  evidence_excerpt: The Credit Agreement provides for, among other things, (a) a new five-year senior secured term loan A facility in an aggregate principal amount of $1.400 billion, (b) a new senior secured term loan B facility in an aggregate principal amount of $1.591 billion and (c) a new five-year senior secured revolving facility with commitments in an aggregate amount of $1.000 billion.
  evidence_url: https://www.sec.gov/Archives/edgar/data/2011286/000201128626000011/0002011286-26-000011-index.htm
- claim_id: 5fe769e91cebe839fe56b456c7c3f2198025937c
  claim: Amentum Holdings, Inc. entered into First Amendment to Credit Agreement with JPMorgan Chase Bank, N.A. valued at New five-year senior secured term loan A facility of $1.400 billion, new senior secured term loan B (effective 2026-04-24).
  evidence_excerpt: Amentum Holdings, Inc., a Delaware corporation (“Amentum”), entered into the First Amendment (the “First Amendment”), dated as of such date, among Amentum, Amentum Services, Inc., a Delaware corporation (“Amentum Services”), Amentum Technology, Inc., a Tennessee corporation (“Amentum Technology”), the other loan parties party thereto, the lenders party thereto, the issuing banks party thereto and JPMorgan Chase Bank, N.A., as administrative agent (the “Administrative Agent”), which amends the Credit Agreement dated as of September 27, 2024
  evidence_url: https://www.sec.gov/Archives/edgar/data/2011286/000201128626000011/0002011286-26-000011-index.htm

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