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Olin VP granted RSUs and stock awards

Olin Corporation executive Nichole R. Sumner, VP & Controller, reported equity awards and updated holdings.

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Olin Corporation executive Nichole R. Sumner, VP & Controller, reported equity awards and updated holdings. On February 18, 2026, she acquired 6,403 restricted stock units and 79 shares of common stock as grants at a price of $0.00 per share.

Each RSU represents a contingent right to receive one share of Olin common stock and will vest in three annual installments beginning on February 18, 2027. Following these transactions, she held 24,850 shares of common stock directly and 9,452.6705 shares indirectly through the Olin Corporation Retirement Savings Plan as of February 20, 2026.

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Insider Sumner R Nichole
Role VP & Controller
Type Security Shares Price Value
Grant/Award Restricted Stock Units 6,403 $0.00 $0.00
Grant/Award Common Stock 79 $0.00 $0.00
holding Common Stock -- -- --
Holdings After Transaction: Restricted Stock Units — 6,403 contracts (Direct); Common Stock — 24,850 shares (Direct); Common Stock — 9,452.6705 shares (Indirect, By RSP Trustee)
Footnotes (3)
  1. F1. 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 February 20, 2026.
  2. F2. Each restricted stock unit represents a contingent right to receive one share of Olin Common Stock.
  3. F3. These restricted stock units vest in three annual installments beginning on February 18, 2027.

FAQ

What equity awards did Olin (OLN) VP & Controller Nichole R. Sumner receive?
Nichole R. Sumner received a grant of 6,403 restricted stock units and 79 shares of Olin common stock on February 18, 2026. Both awards were granted at $0.00 per share as compensation, rather than open-market purchases.

How do the new restricted stock units for Olin (OLN) executive Nichole R. Sumner vest?
The 6,403 restricted stock units granted to Nichole R. Sumner vest in three annual installments beginning on February 18, 2027. Each unit converts into one share of Olin common stock upon vesting, tying her long-term compensation to future company performance.

How many Olin (OLN) common shares does Nichole R. Sumner hold after this Form 4?
After the reported transactions, Nichole R. Sumner directly held 24,850 shares of Olin common stock. In addition, she indirectly held 9,452.6705 shares through the Olin Corporation Retirement Savings Plan, as reported by the plan administrator on February 20, 2026.

Were Nichole R. Sumner’s Olin (OLN) equity awards open-market purchases or compensation grants?
The transactions reported were compensation grants, not open-market purchases. Both the 6,403 restricted stock units and 79 common shares were acquired at $0.00 per share under a grant, categorized as a "Grant, award, or other acquisition."

What does the Olin (OLN) Retirement Savings Plan holding mean for Nichole R. Sumner?
The filing shows 9,452.6705 Olin common shares held indirectly for Nichole R. Sumner through the Olin Corporation Retirement Savings Plan. These plan-based holdings are reported by the plan administrator and reflect retirement-focused ownership separate from her directly held share balance.

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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*
Sumner R Nichole
(Last) (First) (Middle)
C/O OLIN CORPORATION
190 CARONDELET PLZ, STE 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)
Director 10% Owner
X Officer (give title below) Other (specify below)
VP & Controller
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
Common Stock 02/18/2026 A 79 A $0 24,850 D
Common Stock 9,452.6705(1) I By RSP Trustee
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 (2) 02/18/2026 A 6,403 (3) (3) Common Stock 6,403 $0 6,403 D
Explanation of Responses:
1. 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 February 20, 2026.
2. Each restricted stock unit represents a contingent right to receive one share of Olin Common Stock.
3. 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.

Source: View Original Filing on SEC EDGAR