---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-26-016264"
form_type: "8-K"
ticker: "HLX"
cik: "0000866829"
company_name: "HELIX ENERGY SOLUTIONS GROUP INC"
filed_at: "2026-04-23T23:59:59+00:00"
generated_at: "2026-05-15T04:45:12.562365+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Helix-Hornbeck all-stock merger: Hornbeck owners get 55%, Helix 45% - $75M annual synergies

## Summary
- Fixed exchange ratio: 10.27167 Helix shares per Hornbeck share; pro forma ownership 55% Hornbeck, 45% Helix.
- Expected $75M+ in annual revenue and cost synergies within three years of close.
- Post-close, combined company to operate as Hornbeck Offshore Services, trade as 'HOS' on NYSE; Todd Hornbeck CEO.
- Closing expected H2 2026, subject to Helix shareholder vote, regulatory approvals, and other conditions.
- Ares Management funds representing significant Hornbeck ownership have consented to the transaction.

## SEC filing metadata
- accession: 0001140361-26-016264
- form_type: 8-K
- ticker: HLX
- cik: 0000866829
- company_name: HELIX ENERGY SOLUTIONS GROUP INC
- filed_at: 2026-04-23T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/866829/000114036126016264/0001140361-26-016264-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/866829/000114036126016264/ef20071265_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-26-016264
- JSON: https://secwatch.observer/filing/0001140361-26-016264.json
- Plain text: https://secwatch.observer/filing/0001140361-26-016264.txt

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