---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-074683"
form_type: "8-K"
ticker: "HUN"
cik: "0001307954"
company_name: "Huntsman CORP"
filed_at: "2026-06-16T21:10:27+00:00"
generated_at: "2026-06-16T21:12:45.899380+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 1.0
calibrated_materiality_score: 1.0
confidence: "high"
source: SEC EDGAR
---

# Huntsman and Olin merge in all-stock deal; Huntsman shareholders get 0.5476 Olin shares per share

## Summary
- Huntsman and Olin enter all-stock merger of equals; Exchange ratio of 0.5476 Olin shares per Huntsman share.
- Combined company named OlinHuntsman Corporation, headquartered in The Woodlands, Texas.
- Kenneth Lane (Olin CEO) to be CEO; Peter Huntsman non-executive Chair; Phil Lister (Huntsman CFO) to be CFO; Todd Slater (Olin CFO) as Chief Integration Officer.
- Board consists of 10 members: 4 from Olin, 4 from Huntsman, plus Lane and Huntsman.
- Termination fee of $121M payable in specified circumstances; deal subject to HSR, regulatory approvals, and stockholder votes.

## SEC filing metadata
- accession: 0001104659-26-074683
- form_type: 8-K
- ticker: HUN
- cik: 0001307954
- company_name: Huntsman CORP
- filed_at: 2026-06-16T21:10:27+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 1.0
- calibrated_materiality_score: 1.0
- confidence: high
- sec_items: 1.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1307954/000110465926074683/0001104659-26-074683-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1307954/000110465926074683/tm2618028d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-074683
- JSON: https://secwatch.observer/filing/0001104659-26-074683.json
- Plain text: https://secwatch.observer/filing/0001104659-26-074683.txt

## Key facts
- Material Agreements
  Huntsman CORP entered into Agreement and Plan of Merger with Olin Corporation valued at 0.5476 shares of Olin Common Stock per share of Huntsman Common Stock (effective 2026-06-15).
  - Action: entry
  - Agreement: merger
  - Counterparty: Olin Corporation
  - Value: 0.5476 shares of Olin Common Stock per share of Huntsman Common Stock
  - Effective: 2026-06-15
  source text: Merger Agreement On June 15, 2026, Huntsman Corporation, a Delaware corporation (“ Huntsman ” or, with reference to the post-closing period, the “ Combined Company ”), entered into an Agreement and Plan of Merger (the “ Merger Agreement ”) with Olin Corporation, a Virginia corporation (“ Olin ”), Olympus Merger Sub, Inc., a Delaware corporation and a direct wholly owned subsidiary of Olin (“ First Merger Sub ”), and Hook Merger Sub LLC, a Delaware limited liability company and a direct wholly owned subsidiary of Olin (“ Second Merger Sub ”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1307954/000110465926074683/0001104659-26-074683-index.htm

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