Angela M. Castle - 01 Mar 2025 Form 3 Insider Report for OLIN Corp (OLN)

Signature
/s/ E.C Tanner, Attorney-in-Fact
Issuer symbol
OLN
Transactions as of
01 Mar 2025
Net transactions value
$0
Form type
3
Filing time
10 Mar 2025, 14:10:32 UTC
Next filing
20 Feb 2026

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding OLN Common Stock 1,504 01 Mar 2025 Direct
holding OLN Common Stock 2 01 Mar 2025 ESOP Trustee F1

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
holding OLN Employee Stock Options (Right to Buy) 01 Mar 2025 Common Stock 3,000 $32.94 Direct
holding OLN Employee Stock Options (Right to Buy) 01 Mar 2025 Common Stock 4,533 $26.26 Direct
holding OLN Employee Stock Options (Right to Buy) 01 Mar 2025 Common Stock 5,233 $17.33 Direct
holding OLN Employee Stock Options (Right to Buy) 01 Mar 2025 Common Stock 6,200 $28.99 Direct
holding OLN Employee Stock Options (Right to Buy) 01 Mar 2025 Common Stock 3,800 $49.71 Direct
holding OLN Employee Stock Options (Right to Buy) 01 Mar 2025 Common Stock 1,846 $60.55 Direct F2
holding OLN Employee Stock Options (Right to Buy) 01 Mar 2025 Common Stock 2,483 $52.29 Direct F3
holding OLN Restricted Stock Units 01 Mar 2025 Common Stock 10,138 Direct F4, F5
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The figure represents shares of Olin Common Stock held under the Olin Corporation Retirement Savings Plan, a tax conditioned plan reflecting transactions exempt under Rule 16b-3, as reported by the RSP Plan Administrator as of March 1, 2025.
F2 This option vests in three installments with 1,231 currently exercisable and the remaining 615 vesting on February 22, 2026.
F3 This option vests in three installments with 828 currently exercisable as of February 22, 2025 and 828 vesting on February 22, 2026 and 827 vesting on February 22, 2027.
F4 Restricted stock units convert into common stock on a one-to-one basis.
F5 These restricted stock units vest in three annual installments beginning with 3,380 vesting on February 20, 2026 and 3,379 vesting on February 20, 2027 and 3,379 vesting on February 20, 2028.

Remarks:

Exhibit 24.1 - Power of Attorney