{"filing":{"accession_number":"0001193125-26-272877","cik":"0000074303","ticker":"OLN","company_name":"OLIN Corp","form":"8-K","filing_date":"2026-06-16","report_date":null,"primary_document":"d157699d8k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/74303/000119312526272877/d157699d8k.htm"},"events":[{"id":11395,"run_id":10003,"accession_number":"0001193125-26-272877","anchor_item_number":"1.01","event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.97,"summary":"Olin Corporation entered into a definitive merger agreement with Huntsman Corporation in an all-stock merger of equals, with an exchange ratio of 0.5476 shares of Olin Common Stock per share of Huntsman Common Stock. The combined entity will be named OlinHuntsman Corporation and headquartered in The Woodlands, Texas, with boards of both companies unanimously approving the transaction. Concurrently, major shareholders including Peter Huntsman executed a voting and support agreement committing to vote in favor of the merger.","company_name":"OLIN Corp","ticker":"OLN","filing_date":"2026-06-16","form":"8-K","submitted_at":null,"items":[{"id":7975,"accession_number":"0001193125-26-272877","item_number":"1.01","item_title":null,"event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.99,"reasoning":"This Item 1.01 discloses entry into a definitive merger agreement between Olin Corporation and Huntsman Corporation, structured as an all-stock merger of equals with an exchange ratio of 0.5476 shares of Olin Common Stock per share of Huntsman Common Stock. The filing explicitly states that \"the board of directors of each of Olin and Huntsman have unanimously approved the Merger Agreement and the Transactions,\" and the combined entity will be named \"OlinHuntsman Corporation\" headquartered in The Woodlands, Texas. This is a material acquisition/change of control transaction that would substantially affect investor assessment of the registrant.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-06-16T21:15:08.929423+00:00","company_name":"","ticker":null,"filing_date":""},{"id":7976,"accession_number":"0001193125-26-272877","item_number":"8.01","item_title":null,"event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.95,"reasoning":"The Item 8.01 disclosure describes a voting and support agreement executed concurrently with a Merger Agreement between Olin, First Merger Sub, Second Merger Sub, and Huntsman (with Peter Huntsman and affiliated entities as stockholders). The agreement commits major shareholders to vote in favor of the merger and against competing proposals. This is a material component of a merger transaction, evidencing the entry into a significant M\u0026A activity with binding shareholder commitments to facilitate the combination.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-06-16T21:15:08.929423+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":7975,"accession_number":"0001193125-26-272877","item_number":"1.01","item_title":null,"event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.99,"reasoning":"This Item 1.01 discloses entry into a definitive merger agreement between Olin Corporation and Huntsman Corporation, structured as an all-stock merger of equals with an exchange ratio of 0.5476 shares of Olin Common Stock per share of Huntsman Common Stock. The filing explicitly states that \"the board of directors of each of Olin and Huntsman have unanimously approved the Merger Agreement and the Transactions,\" and the combined entity will be named \"OlinHuntsman Corporation\" headquartered in The Woodlands, Texas. This is a material acquisition/change of control transaction that would substantially affect investor assessment of the registrant.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-06-16T21:15:08.929423+00:00","company_name":"OLIN Corp","ticker":"OLN","filing_date":"2026-06-16"},{"id":7976,"accession_number":"0001193125-26-272877","item_number":"8.01","item_title":null,"event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.95,"reasoning":"The Item 8.01 disclosure describes a voting and support agreement executed concurrently with a Merger Agreement between Olin, First Merger Sub, Second Merger Sub, and Huntsman (with Peter Huntsman and affiliated entities as stockholders). The agreement commits major shareholders to vote in favor of the merger and against competing proposals. This is a material component of a merger transaction, evidencing the entry into a significant M\u0026A activity with binding shareholder commitments to facilitate the combination.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-06-16T21:15:08.929423+00:00","company_name":"OLIN Corp","ticker":"OLN","filing_date":"2026-06-16"}]}