Brett A. Flaugher - 20 Feb 2026 Form 4 Insider Report for OLIN Corp (OLN)

Role
VP & Pres, Winchester
Signature
/s/ Emily C. Tanner
Issuer symbol
OLN
Transactions as of
20 Feb 2026
Net transactions value
-$44,302
Form type
4
Filing time
24 Feb 2026, 17:06:47 UTC
Previous filing
20 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
FLAUGHER BRETT A VP & Pres, Winchester C/O OLIN CORPORATION, 190 CARONDELET PLZ, STE 1530, CLAYTON /s/ Emily C. Tanner 24 Feb 2026 0001727635

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction OLN Common Stock Options Exercise +6,276 +2648% 6,513 20 Feb 2026 Direct F1
transaction OLN Common Stock Tax liability $44,302 -1,839 -28% $24.09 4,674 20 Feb 2026 Direct
holding OLN Common Stock 88,438 20 Feb 2026 By Trust

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 Options Exercise $0 -6,276 -33% $0.000000 12,552 20 Feb 2026 Common Stock 6,276 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Restricted stock units convert into common stock on a one-to-one basis.
F2 On February 20, 2025 the reporting person was granted 18,827 restricted stock units, 6,276 vested on February 20, 2026, 6,276 will vest on February 20, 2027 and 6,275 will vest on February 20, 2028.