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): November 7, 2025

SYLVAMO CORPORATION

(Exact name of registrant as specified in its charter)

Commission file number 001-40718


Delaware			86-2596371
(State or other jurisdiction of incorporation)			(I.R.S. Employer Identification No.)

6077 Primacy Parkway, Memphis, Tennessee			38119
(Address of Principal Executive Offices)			(Zip Code)

Registrant's telephone number, including area code: (901) 519-8000

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)

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

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

☐			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(s)	Name of each exchange on which registered
Common Stock, $1 per share par value	SLVM	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 ☐

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. ☐

EXPLANATORY NOTE

The information in this Report, including the exhibit, is being furnished pursuant to Item 2.02 of Form 8-K and General Instruction B.2 thereunder. Such information shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended.

SECTION 2. FINANCIAL INFORMATION.

Item 2.02. Results of Operations and Financial Condition.

On November 7, 2025, Sylvamo Corporation issued a press release announcing its financial results for the fiscal quarter ended September 30, 2025. Attached as Exhibit 99.1 and incorporated herein by reference is a copy of the press release.

SECTION 9. FINANCIAL STATEMENTS AND EXHIBITS.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits.


Exhibit Number			Description

99.1			Press Release of Sylvamo Corporation dated November 7 , 2025.
101			Cover Page Interactive Data File - the cover page XBRL tags are embedded within the Inline XBRL document.
104			The cover page from this Current Report on Form 8-K, formatted as Inline XBRL.

SIGNATURES

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.


	Sylvamo Corporation

Date: November 7, 2025		/s/ Matthew L. Barron
	Name:	Matthew L. Barron
	Title:	Senior Vice President and Chief Administrative and Legal Officer

Sylvamo Corp 8-K