---
schema_version: "secwatch.filing_event.v1"
accession: "0000074303-25-000109"
form_type: "8-K"
ticker: "OLN"
cik: "0000074303"
company_name: "OLIN Corp"
filed_at: "2025-07-28T23:59:59+00:00"
generated_at: "2026-05-18T00:38:15.479953+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Olin posts Q2 net loss of $1.3M; adjusted EBITDA falls to $176.1M from $278.1M

## Summary
- Net loss of $1.3M ($0.01/diluted) vs net income $74.2M ($0.62) in Q2 2024.
- Adjusted EBITDA $176.1M vs $278.1M YoY; revenue up 7% to $1,758.3M on higher volumes.
- Chlor Alkali earnings down 35% to $64.9M; Epoxy loss widened to ($23.7M); Winchester earnings fell 64% to $25.0M.
- Q3 2025 adjusted EBITDA guidance $170M-$210M; management cites challenging markets and tariff uncertainty.
- Share repurchases 0.5M shares for $10.1M; net debt $2.8B (3.9x EBITDA).

## SEC filing metadata
- accession: 0000074303-25-000109
- form_type: 8-K
- ticker: OLN
- cik: 0000074303
- company_name: OLIN Corp
- filed_at: 2025-07-28T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/74303/000007430325000109/0000074303-25-000109-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/74303/000007430325000109/oln-20250728.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000074303-25-000109
- JSON: https://secwatch.observer/filing/0000074303-25-000109.json
- Plain text: https://secwatch.observer/filing/0000074303-25-000109.txt

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