OLIN Corp (OLN) VP Marc Ehrhardt granted 16,007 restricted stock units

Rhea-AI Filing Summary

Ehrhardt Marc reported acquisition or exercise transactions in this Form 4 filing.

OLIN Corp executive Marc Ehrhardt, who serves as VP & President of Corporate Development, reported receiving a grant of 16,007 restricted stock units of Olin common stock. Each restricted stock unit represents a contingent right to receive one share of Olin common stock and will vest in three annual installments beginning on February 18, 2027. This award increases his directly held restricted stock unit balance to 16,007 units, aligning a portion of his compensation with the company’s future share performance over a multi-year period.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Ehrhardt Marc

Role VP & Pres Corp Development

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units	16,007	$0.00	--

Holdings After Transaction: Restricted Stock Units — 16,007 shares (Direct)

Footnotes (1)

1. Each restricted stock unit represents a contingent right to receive one share of Olin Common Stock. These restricted stock units vest in three annual installments beginning on February 18, 2027.

Form 4 Insider Transactions: What Each Field Means →

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^*

Ehrhardt Marc

(Last) (First) (Middle)

190 CARONDELET PLAZA

SUITE 1530

(Street)

CLAYTON MO 63105-3443

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	VP & Pres Corp Development

3. Date of Earliest Transaction (Month/Day/Year)
02/18/2026

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

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)	02/18/2026		A		16,007		(2)	(2)	Common Stock	16,007	$0	16,007	D

Explanation of Responses:

1. Each restricted stock unit represents a contingent right to receive one share of Olin Common Stock.

2. These restricted stock units vest in three annual installments beginning on February 18, 2027.

Remarks:

	/s/ E.C. Tanner, Attorney-in-Fact	02/20/2026
	** 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.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did OLIN Corp (OLN) report for Marc Ehrhardt?

OLIN Corp reported that executive Marc Ehrhardt received a grant of 16,007 restricted stock units. These units represent contingent rights to Olin common shares and are part of his equity compensation, aligning his interests with long-term shareholder value creation over several years.

How many restricted stock units did Marc Ehrhardt receive at OLIN Corp (OLN)?

Marc Ehrhardt received 16,007 restricted stock units from OLIN Corp. Following this grant, his directly held restricted stock unit balance is 16,007 units, each tied to one share of Olin common stock, subject to the stated time-based vesting schedule.

When do Marc Ehrhardt’s OLIN Corp (OLN) restricted stock units vest?

The restricted stock units granted to Marc Ehrhardt vest in three annual installments starting on February 18, 2027. This means the award will be earned gradually over three years, providing long-term incentives tied to Olin’s future performance and continued service.

What does each restricted stock unit in Marc Ehrhardt’s OLIN (OLN) award represent?

Each restricted stock unit in Marc Ehrhardt’s award represents a contingent right to receive one share of Olin common stock. The units only convert into actual shares as they vest over time, making the value dependent on Olin’s share price and vesting conditions.

Is Marc Ehrhardt’s OLIN Corp (OLN) Form 4 transaction a purchase or an award?

Marc Ehrhardt’s Form 4 transaction reflects an award, not an open-market purchase. The filing describes a grant of 16,007 restricted stock units as compensation, classified as a grant, award, or other acquisition rather than a typical buy or sell transaction.