---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-26-006679"
form_type: "8-K"
ticker: "AMTM"
cik: "0002011286"
company_name: "Amentum Holdings, Inc."
filed_at: "2026-02-10T23:59:59+00:00"
generated_at: "2026-05-16T03:40:49.011000+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.15
calibrated_materiality_score: 0.15
confidence: "high"
source: SEC EDGAR
---

# Amentum shareholders elect all 13 directors, ratify auditor, approve say-on-pay at 2026 annual meeting

## Summary
- All 13 director nominees elected; Barbara Loughran received most votes against (21.1M vs 199.3M for).
- Ratification of Ernst & Young as auditor for FY2026 passed with 232.7M for, 0.2M against.
- Advisory vote on executive compensation for FY2025 approved with 214.0M for, 5.8M against.
- Broker non-votes of ~12.2M shares on director election and say-on-pay proposals.

## SEC filing metadata
- accession: 0001628280-26-006679
- form_type: 8-K
- ticker: AMTM
- cik: 0002011286
- company_name: Amentum Holdings, Inc.
- filed_at: 2026-02-10T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.15
- calibrated_materiality_score: 0.15
- confidence: high
- sec_items: 5.07
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2011286/000162828026006679/0001628280-26-006679-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2011286/000162828026006679/amtm-20260206.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-26-006679
- JSON: https://secwatch.observer/filing/0001628280-26-006679.json
- Plain text: https://secwatch.observer/filing/0001628280-26-006679.txt

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