What is the current status of the Huntsman and Olin merger as confirmed by the U.S. SEC?

The U.S. Securities and Exchange Commission (SEC) has declared effective Olin’s Form S-4 registration statement, a critical regulatory milestone that permits the companies to proceed with the all-stock merger of equals.

When are the shareholder votes scheduled, and what is the expected closing timeline for the Huntsman–Olin merger?

Special shareholder meetings for both Huntsman Corporation and Olin Corporation are scheduled for August 25, 2026, and the merger is anticipated to close in the first half of 2027.

Huntsman and Olin Advance All-Stock Merger Plans

Jul 14, 2026

Huntsman and Olin confirmed SEC approval for their all-stock merger, forming a leading North American chemicals entity. The combined company projects over $400 million in synergies with a closing expected in early 2027.

Stock Titan

2026-06-16

Huntsman and Olin to Merge, Creating $12-Billion Chemicals Organization OlinHuntsman

2026-07-06

Olin Corp steady amid chemicals cycle. Earnings and sector trends shape the story

2026-07-07

Olin Corporation merges with Huntsman Corporation

2026-07-13

Olin and Huntsman Project $400M+ Annual Synergies and Tax Benefits in Merger

2026-07-13

Huntsman (NYSE: HUN) and Olin outline stock-for-stock merger of equals