---
schema_version: "secwatch.filing_event.v1"
accession: "0000074303-24-000201"
form_type: "8-K"
ticker: "OLN"
cik: "0000074303"
company_name: "OLIN Corp"
filed_at: "2024-12-10T23:59:59+00:00"
generated_at: "2026-05-29T05:22:05.267947+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# Olin amends retention for retiring CLO O'Brien; full $1M bonus to vest if transition support through July 2025

## Summary
- Dana O'Brien (SVP & CLO) plans to retire by Dec 31, 2025 and step down from role March 1, 2025.
- Side letter amends retention agreement: full $1M bonus vests normally if she works through July 31, 2025 and remains on-call through Dec 31, 2025.
- Vesting schedule unchanged: 20% Jan 1, 2025; 30% July 1, 2025; 40% Jan 1, 2026 (previously would have forfeited after retirement).
- No other terms of the original retention agreement were modified.

## SEC filing metadata
- accession: 0000074303-24-000201
- form_type: 8-K
- ticker: OLN
- cik: 0000074303
- company_name: OLIN Corp
- filed_at: 2024-12-10T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/74303/000007430324000201/0000074303-24-000201-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/74303/000007430324000201/oln-20241205.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000074303-24-000201
- JSON: https://secwatch.observer/filing/0000074303-24-000201.json
- Plain text: https://secwatch.observer/filing/0000074303-24-000201.txt

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