FLAUGHER BRETT A 4
4 · OLIN Corp · Filed Feb 24, 2026
Insider Transaction Report
Form 4
OLIN CorpOLN
FLAUGHER BRETT A
VP & Pres, Winchester
Transactions
- Exercise/Conversion
Common Stock
[F1]2026-02-20+6,276→ 6,513 total - Tax Payment
Common Stock
2026-02-20$24.09/sh−1,839$44,302→ 4,674 total - Exercise/Conversion
Restricted Stock Units
[F1][F2]2026-02-20−6,276→ 12,552 total→ Common Stock (6,276 underlying)
Holdings
- 88,438(indirect: By Trust)
Common Stock
Footnotes (2)
- [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.
Signature
/s/ Emily C. Tanner|2026-02-24