OLN OLIN CORP Capital Structure Changes 8-K Filing 2025 - Debt Issuance On March 14, 2025, Olin Corp issued $600 million in Senior Notes with a 6.625% interest rate due in 2033 and refinanced its credit agreement for $650 million in term loans and $1.2 billion in revolving credit.Get access to all SEC 8-K filings of the OLIN CORP