Kenneth Todd Lane - 18 Feb 2026 Form 4 Insider Report for OLIN Corp (OLN)

Role: President & CEO, Director
Signature: /s/ E.C. Tanner, Attorney-in-Fact
Issuer symbol: OLN
Transactions as of: 18 Feb 2026
Net transactions value: $0
Form type: 4
Filing time: 20 Feb 2026, 16:24:34 UTC
Previous filing: 18 Jul 2025
Next filing: 24 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Lane Kenneth Todd	President & CEO, Director	C/O OLIN CORPORATION, 190 CARONDELET PLZ, SUITE 1530, CLAYTON	/s/ E.C. Tanner, Attorney-in-Fact	20 Feb 2026	0001782276

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	OLN	Restricted Stock Units	Award	$0	+132,053		$0.000000	132,053	18 Feb 2026	Common Stock	132,053		Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Each restricted stock unit represents a contingent right to receive one share of Olin Common Stock.
F2	These restricted stock units vest in three annual installments beginning on February 18, 2027.