Olin Corporation (NYSE: OLN) issues updated Q4 2025 outlook

Rhea-AI Filing Summary

Olin Corporation reported that it has issued a press release providing an updated outlook for its fourth quarter ended December 31, 2025. The company furnished this update on January 8, 2026, and included the full text of the outlook in a press release attached as Exhibit 99.1.

The filing itself does not detail the specific financial figures or guidance changes, but it directs investors to the press release for Olin’s current expectations regarding its results of operations and financial condition for that quarter.

8-K Event Classification

2 items: 2.02, 9.01

2 items

Item 2.02 Results of Operations and Financial Condition Financial

Disclosure of earnings results, typically an earnings press release or preliminary financials.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, and exhibit attachments filed with this report.

Understanding 8-K Material Events →

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): January 8, 2026

OLIN CORPORATION

(Exact name of registrant as specified in its charter)

Virginia			1-1070			13-1872319
(State or Other Jurisdiction of Incorporation)			(Commission File Number)			(IRS Employer Identification No.)

190 Carondelet Plaza,

Suite 1530

Clayton,

MO

63105

(Address of principal executive offices)

(Zip Code)

(314) 480-1400

(Registrant’s telephone number, including area code)

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

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Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

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Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

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Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading Symbol

Name of each exchange on which registered

Common Stock, $1.00 par value per share

OLN

New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

☐

Emerging growth company

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If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.

Item 2.02.    Results of Operations and Financial Condition.

On January 8, 2026, Olin Corporation (the “Registrant”) issued a press release announcing an updated outlook for the fourth quarter ended December 31, 2025. Attached as Exhibit 99.1, and incorporated herein by reference, is a copy of Registrant’s press release dated January 8, 2026.

Item 9.01.    Financial Statements and Exhibits.

(d) Exhibit No.			Exhibit
99.1			Press Release announcing Olin’s Fourth Quarter 2025 Outlook, dated January 8, 2026
104			Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

			OLIN CORPORATION
			By:			/s/ Inchan Hwang
						Name:			Inchan Hwang
						Title:			Vice President, Deputy General Counsel and Secretary

Date: January 8, 2026

FAQ

What did Olin Corporation (OLN) disclose in this 8-K filing?

Olin Corporation disclosed that it issued a press release announcing an updated outlook for its fourth quarter ended December 31, 2025, which is furnished as Exhibit 99.1.

Which period does Olin Corporation’s updated outlook cover?

The updated outlook covers Olin Corporation’s fourth quarter ended December 31, 2025.

Where can investors find the details of Olin’s updated Q4 2025 outlook?

The details are contained in the press release dated January 8, 2026, which is attached to the filing as Exhibit 99.1 and incorporated by reference.

What section of the 8-K filing describes Olin’s updated outlook?

The updated outlook is described under Item 2.02. Results of Operations and Financial Condition.

Who signed this Olin Corporation (OLN) 8-K report?

The report was signed on behalf of Olin Corporation by Inchan Hwang, Vice President, Deputy General Counsel and Secretary.

What exhibits are included with this Olin (OLN) 8-K filing?

The filing includes Exhibit 99.1, a press release announcing Olin’s Fourth Quarter 2025 outlook, and Exhibit 104, the cover page interactive data file.