Olin CEO converts RSUs, withholds shares for taxes

OLIN Corp President & CEO Kenneth Todd Lane reported equity award activity involving restricted stock units and common shares.

Rhea-AI Filing Summary

OLIN Corp President & CEO Kenneth Todd Lane reported equity award activity involving restricted stock units and common shares. On February 20, 2026, he exercised 36,206 restricted stock units, which converted into 36,206 shares of common stock at no exercise price.

These units are part of a 108,617‑unit grant awarded on February 20, 2025, vesting in three annual installments through 2028. In a related move, 8,811 common shares were disposed of at $24.09 per share to cover tax obligations associated with the vesting, a tax-withholding disposition rather than an open-market sale. Following these transactions, Lane directly owned 69,962 common shares.

Insider Trade Summary

36,206 shares exercised/converted

Exercise 3 txns

Insider Lane Kenneth Todd

Role President & CEO

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	36,206	$0.00	$0.00
Exercise	Common Stock	36,206	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	8,811	$24.09	$212K

Holdings After Transaction: Restricted Stock Units — 74,411 contracts (Direct); Common Stock — 69,962 shares (Direct)

Footnotes (2)

1. F1. Restricted stock units convert into common stock on a one-on-one basis.
2. F2. On February 20, 2025 the reporting person was granted 108,617 restricted stock units, 36,206 shares vested on February 20, 2026, 36,206 shares vest on February 20, 2027 and 36,205 shares vest on February 20, 2028.

FAQ

What insider transactions did OLIN Corp (OLN) CEO report on February 20, 2026?

OLIN Corp’s CEO reported exercising 36,206 restricted stock units into common stock and a related tax-withholding disposition of 8,811 common shares. These actions reflect scheduled vesting from a prior equity grant, not an open-market purchase or sale.

How many restricted stock units vested for OLIN (OLN) CEO in this Form 4?

A total of 36,206 restricted stock units vested and were converted into 36,206 common shares. These units are the first tranche of a 108,617-unit award granted in 2025, scheduled to vest in three annual installments through 2028.

Did the OLIN (OLN) CEO sell shares on the open market in this filing?

No, the 8,811 common shares shown as a disposition were withheld at $24.09 per share to cover tax liabilities. This tax-withholding transaction is different from a discretionary open-market share sale by the executive.

What is the size and vesting schedule of the OLIN (OLN) CEO’s RSU grant?

The CEO received a grant of 108,617 restricted stock units on February 20, 2025. According to the disclosure, 36,206 units vested in 2026, another 36,206 vest in 2027, and 36,205 vest in 2028, each converting into common shares one-for-one.

How many OLIN (OLN) common shares does the CEO own after these transactions?

After the reported transactions, the CEO directly owned 69,962 common shares. This figure reflects the RSU conversion and the tax-withholding share disposition reported for February 20, 2026, as shown in the ownership totals.

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Accepted by SEC EDGAR 02/24/2026 - 05:14 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Lane Kenneth Todd

(Last) (First) (Middle)

C/O OLIN CORPORATION

190 CARONDELET PLZ, SUITE 1530

(Street)

CLAYTON MO 63105

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
OLIN Corp [ OLN ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President & CEO

3. Date of Earliest Transaction (Month/Day/Year)
02/20/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/20/2026		M		36,206	A	(1)	78,773	D
Common Stock	02/20/2026		F		8,811	D	$24.09	69,962	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	(1)	02/20/2026		M			36,206	(2)	(2)	Common Stock	36,206	$0	74,411	D

Explanation of Responses:

1. Restricted stock units convert into common stock on a one-on-one basis.

2. On February 20, 2025 the reporting person was granted 108,617 restricted stock units, 36,206 shares vested on February 20, 2026, 36,206 shares vest on February 20, 2027 and 36,205 shares vest on February 20, 2028.

Remarks:

	/s/ E.C. Tanner, Attorney-in-Fact	02/24/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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