---
schema_version: "secwatch.filing_event.v1"
accession: "0000866829-25-000003"
form_type: "8-K"
ticker: "HLX"
cik: "0000866829"
company_name: "HELIX ENERGY SOLUTIONS GROUP INC"
filed_at: "2025-02-21T23:59:59+00:00"
generated_at: "2026-05-26T07:47:04.378411+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Helix extends subsea alliance with Schlumberger group by one year to Jan 5, 2026

## Summary
- Amendment extends Strategic Alliance Agreement term from Jan 5, 2025 to Jan 5, 2026.
- Cameron Lux V Sarl assigns its rights and obligations to OneSubsea UK Limited effective Jan 30, 2025.
- All parties (Helix, OneSubsea LLC, Schlumberger entities) consented to assignment and extension.

## SEC filing metadata
- accession: 0000866829-25-000003
- form_type: 8-K
- ticker: HLX
- cik: 0000866829
- company_name: HELIX ENERGY SOLUTIONS GROUP INC
- filed_at: 2025-02-21T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/866829/000086682925000003/0000866829-25-000003-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/866829/000086682925000003/hlx-20250221x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000866829-25-000003
- JSON: https://secwatch.observer/filing/0000866829-25-000003.json
- Plain text: https://secwatch.observer/filing/0000866829-25-000003.txt

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