SEC clears S-4 for Olin and Huntsman all-stock merger

Olin Corporation (NYSE: OLN) and Huntsman Corporation (NYSE: HUN) announced that the U.S. Securities and Exchange Commission declared effective on July 13, 2026, the Form S-4 registration statement filed by Olin in connection with the companies' planned all-stock merger of equals to form a combined entity to be called OlinHuntsman.

Both companies have scheduled special shareholder meetings for August 25, 2026, to vote on the transaction. Olin's meeting is set for 8:00 a.m. Central Time and Huntsman's for 9:00 a.m. Central Time, both via live webcast. Shareholders of record as of July 9, 2026, are entitled to vote.

The combined company is expected to realize more than $400 million in cost synergies and integration benefits. That figure includes more than $300 million in annual cost synergies expected by the end of year three, with more than 90% of that total targeted within the first 24 months after closing, and more than $100 million in additional raw material integration benefits beginning in 2031.

Ken Lane, President and Chief Executive Officer of Olin, said the effective registration statement "marks an important milestone in bringing Olin and Huntsman together" and cited confidence in achieving the stated synergy targets.

Peter Huntsman, Chairman, President and Chief Executive Officer of Huntsman, said the companies are "working to complete the transaction as soon as possible."

Completion of the transaction is expected to occur in the first half of 2027, subject to regulatory approvals and shareholder votes from both companies. The information in this article is drawn from a press release issued by Olin Corporation and Huntsman Corporation.

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