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

Reporting relationship: President & CEO, Director
Issuer ticker: OLN
Reported as of: 18 Mar 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 20 Mar 2026, 10:24:14 UTC
Prior SEC filing: 24 Feb 2026
Source filing: View source filing
Reporting owner signature: /s/ E.C. Tanner, Attorney-in-Fact

Key filing fact

Kenneth Todd Lane filed Form 4 for OLIN Corp (OLN) on 20 Mar 2026.

Key facts

This page summarizes Kenneth Todd Lane's Form 4 filing for OLIN Corp (OLN).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 20 Mar 2026, 10:24.

Change

Previous filing in this sequence was filed on 24 Feb 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001782276 Primary reporting owner

Lane Kenneth Todd

Relationship: President & CEO, Director
Address: C/O OLIN CORPORATION, 190 CARONDELET PLZ, SUITE 1530, CLAYTON
Signature: /s/ E.C. Tanner, Attorney-in-Fact
Signature date: 20 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

OLN transaction

Common Stock

Options Exercise

Transaction value
Shares: +50,000
Change %: +71%
Price
Shares after: 119,962
Date: 18 Mar 2026
Ownership: Direct
Footnotes: F1

OLN transaction

Common Stock

Tax liability

Transaction value
Shares: -19,675
Change %: -16%
Price: $26.25^*
Shares after: 100,287
Date: 18 Mar 2026
Ownership: Direct

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

OLN transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -50,000
Change %: -33%
Price: $0.000000^*
Shares after: 100,000
Date: 18 Mar 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 50,000
Exercise price
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

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

Footnote F2

On March 18, 2024 the reporting person was granted 200,000 restricted stock units. 50,000 vested on March 18, 2025, 50,000 vested on March 18, 2026 and 100,000 will vest on March 18, 2027.