VERMILLION TERESA M 4
4 · OLIN Corp · Filed Nov 28, 2025
Insider Transaction Report
Form 4
OLIN CorpOLN
VERMILLION TERESA M
VP & Treasurer
Transactions
- Exercise/Conversion
Common Stock
2025-11-26$13.14/sh+4,500$59,130→ 21,699 total - Sale
Common Stock
2025-11-26$20.86/sh−4,500$93,850→ 17,199 total - Exercise/Conversion
Employee Stock Options (Right to Buy)
2025-11-26−4,500→ 0 totalExercise: $13.14From: 2017-02-12Exp: 2026-02-11→ Common Stock (4,500 underlying)
Holdings
- 140.761(indirect: By Trust)
Common Stock
Footnotes (2)
- [F1]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.83 to $20.87, inclusive. The reporting person undertakes to provide to Olin Corporation, any security holder of Olin Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (1) to this Form 4.
- [F2]The figure represents shares of Olin Common Stock held under the Olin Corporation Retirement Savings Plan (RSP), a tax conditioned plan reflecting transactions exempt under Rule 16b-3, as reported by the RSP Plan Administrator as of November 26, 2025.