What did Olin and Huntsman shareholders approve, and what is a major consequence of this decision for St. Louis?

Olin Corp. and Huntsman Corp. shareholders approved an all-stock merger that will create a new company and result in the relocation of a public company headquarters away from St. Louis. This marks a significant corporate development with direct impact on the St. Louis business landscape, as it signifies the loss of a publicly traded company’s headquarters from the city.

What type of transaction is the Olin–Huntsman merger, and what structural outcome does it produce?

The merger is an all-stock transaction between Olin Corp. and Huntsman Corp., resulting in the creation of a new company. As stated in the body, this newly formed entity will no longer be headquartered in St. Louis, underscoring the merger’s role in relocating a public company’s corporate base.

Olin, Huntsman Shareholders Approve Merger as HQ Move from St. Louis Advances

Aug 25, 2026

Shareholders of Olin Corp. and Huntsman Corp. have approved an all-stock merger to form a new entity. The transaction includes relocating the headquarters away from St. Louis.

The Business Journals

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