Helix Energy Solutions Group, Inc. announced that the U.S. Federal Trade Commission granted early termination of the required 30-day waiting period under the Hart-Scott-Rodino Antitrust Improvements Act on June 11, 2026. This regulatory milestone pertains to the company's proposed merger with Hornbeck Offshore Services, Inc. via a two-step merger process involving Odyssey Sub, Inc. and Hercules Sub LLC. The transaction is expected to close in the second half of 2026. Helix Energy Solutions Group, Inc. provides energy-related subsea services to the offshore oil and gas industry.