---
schema_version: "secwatch.filing_event.v1"
accession: "0002011286-24-000042"
form_type: "8-K"
ticker: "AMTM"
cik: "0002011286"
company_name: "Amentum Holdings, Inc."
filed_at: "2024-11-13T23:59:59+00:00"
generated_at: "2026-05-30T01:21:45.953726+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# Amentum adopts key-employee severance plan, employment pacts for top execs

## Summary
- Executive Chair Demetriou: $1.25M base salary, 100% target bonus, $2.5M annual LTI award; CEO Heller: $1.225M base, 140% target bonus.
- COO Arnette: $750K base salary, 100% target bonus; CFO Johnson: $650K base, 100% target bonus. Each eligible for long-term incentives.
- RSU grants: Heller $1M, Arnette $750K, Johnson $750K; vest in halves at 18-month and 3-year anniversaries.
- Severance multipliers: 1.5x (COO, CFO) for non-CIC; 2x (Exec Chair, CEO) for CIC; plus 12-24 month COBRA/benefits continuation.
- Severance Plan covers involuntary terminations (non-Cause/for Good Reason); excise tax cutback applies under Section 280G/4999.

## SEC filing metadata
- accession: 0002011286-24-000042
- form_type: 8-K
- ticker: AMTM
- cik: 0002011286
- company_name: Amentum Holdings, Inc.
- filed_at: 2024-11-13T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2011286/000201128624000042/0002011286-24-000042-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2011286/000201128624000042/amtm-20241106.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0002011286-24-000042
- JSON: https://secwatch.observer/filing/0002011286-24-000042.json
- Plain text: https://secwatch.observer/filing/0002011286-24-000042.txt

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