---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-272877"
form_type: "8-K"
ticker: "OLN"
cik: "0000074303"
company_name: "OLIN Corp"
filed_at: "2026-06-16T21:14:19+00:00"
generated_at: "2026-06-16T21:16:28.464274+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.95
calibrated_materiality_score: 0.95
confidence: "high"
source: SEC EDGAR
---

# Olin and Huntsman agree to all-stock merger of equals; exchange ratio 0.5476

## Summary
- Exchange ratio: 0.5476 Olin shares per Huntsman share; no fractional shares, cash in lieu.
- Combined company named OlinHuntsman Corp, headquartered in The Woodlands, Texas.
- CEO Kenneth Lane (Olin), Chair Peter Huntsman, CFO Phil Lister (Huntsman); Board 10 members (4+4+CEO+Chair).
- Termination fee of $121M payable by either party under certain conditions; expense reimbursement up to $30M.
- Approvals: Olin shareholders >2/3 (Direct Merger) or majority (Subsidiary Mergers); Huntsman stockholders adopt.

## SEC filing metadata
- accession: 0001193125-26-272877
- form_type: 8-K
- ticker: OLN
- cik: 0000074303
- company_name: OLIN Corp
- filed_at: 2026-06-16T21:14:19+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.95
- calibrated_materiality_score: 0.95
- confidence: high
- sec_items: 1.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/74303/000119312526272877/0001193125-26-272877-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/74303/000119312526272877/d157699d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-272877
- JSON: https://secwatch.observer/filing/0001193125-26-272877.json
- Plain text: https://secwatch.observer/filing/0001193125-26-272877.txt

## Key facts
- Material Agreements
  OLIN Corp entered into Agreement and Plan of Merger with Huntsman Corporation (effective 2026-06-15).
  - Action: entry
  - Agreement: merger
  - Counterparty: Huntsman Corporation
  - Effective: 2026-06-15
  source text: On June 15, 2026, Olin Corporation, a Virginia corporation (“ Olin ” or, with reference to the post-closing period, the “ Combined Company ”), entered into an Agreement and Plan of Merger (the “ Merger Agreement ”) with Huntsman Corporation, a Delaware corporation (“ Huntsman ”), 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/74303/000119312526272877/0001193125-26-272877-index.htm

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