OLIN Corp — Director's Dealing 2026

Feb 24, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: OLIN Corp (OLN)
CIK: 0000074303
Period of Report: 2026-02-20

Reporting Person: Carter Deon (VP & President CAPV)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-20	Common Stock	M	6759	—	Acquired	8650	Direct
2026-02-20	Common Stock	F	1793	$24.09	Disposed	6857	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-02-20	Restricted Stock Units	$	M	6759	Disposed		Common Stock (6759)	Direct

Footnotes

F1: Restricted stock units convert into common stock on a one-on-one basis.

F2: On February 20, 2025 the reporting person was granted 20,276 restricted stock units, 6,759 shares vested on February 20, 2026, 6,759 shares vest on February 20, 2027 and 6,758 shares vest on February 20, 2028.