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CIK 0000074303 · Large accelerated filer

Ticker
OLN
Exchange
NYSE
Industry
Chemicals & Allied Products
FY end
Dec 31
Incorporated
VA
Entity type
operating
EIN
131872319
Phone
3144801400
Business address
OLIN CORPORATION, 190 CARONDELET PLAZA SUITE 1530, CLAYTON, MO, 63105
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$0
in 0 filings

Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2026-02-20 VERMILLION TERESA M VP & Treasurer Shares withheld for taxes −674 $24.09 $16K 18,922
2026-02-20 VERMILLION TERESA M VP & Treasurer Option exercise · Restricted Stock Units −2,318 4,634
2026-02-20 FLAUGHER BRETT A VP & Pres, Winchester Option exercise +6,276 6,513
2026-02-20 FLAUGHER BRETT A VP & Pres, Winchester Shares withheld for taxes −1,839 $24.09 $44K 4,674
2026-02-20 FLAUGHER BRETT A VP & Pres, Winchester Option exercise · Restricted Stock Units −6,276 12,552
2026-02-20 Sumner R Nichole VP & Controller Option exercise +1,835 26,685
2026-02-20 Sumner R Nichole VP & Controller Shares withheld for taxes −538 $24.09 $13K 26,147
2026-02-20 Sumner R Nichole VP & Controller Option exercise · Restricted Stock Units −1,835 3,669
2026-02-20 Slater Todd A VP & CFO Option exercise +8,690 53,393
2026-02-20 Slater Todd A VP & CFO Shares withheld for taxes −3,850 $24.09 $93K 49,543
2026-02-20 Slater Todd A VP & CFO Option exercise · Restricted Stock Units −8,690 17,379
2026-02-18 Ehrhardt Marc VP & Pres Corp Development Grant or award · Restricted Stock Units +16,007 16,007
2026-02-18 Castle Angela M VP & Chief Legal Officer Grant or award +26 1,530
2026-02-18 Castle Angela M VP & Chief Legal Officer Grant or award · Restricted Stock Units +16,007 16,007
2026-02-18 Carter Deon VP & President CAPV Grant or award · Restricted Stock Units +27,211 27,211
2026-02-18 Kohl Florian J VP & Pres,Epoxy&International Grant or award · Restricted Stock Units +20,009 20,009
2026-02-18 Lane Kenneth Todd President & CEO Grant or award · Restricted Stock Units +132,053 132,053
2026-02-18 VERMILLION TERESA M VP & Treasurer Grant or award +79 17,278
2026-02-18 VERMILLION TERESA M VP & Treasurer Grant or award · Restricted Stock Units +8,004 8,004
2026-02-18 FLAUGHER BRETT A VP & Pres, Winchester Grant or award +237 237

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