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

~~December~~June 829, ~~2025~~2026 / ~~December~~June 226, ~~2025~~2026

(Date of Report/Date of earliest event reported)

DOMTAR CORPORATION

(Exact name of registrant as specified in its charter)

DELAWARE	001-33164	20-5901152
Delaware	001-33164	20-5901152
(State or other jurisdictionof incorporation)	(CommissionFile Number)	(IRS EmployerIdentification No.)

234 Kingsley Park Drive

Fort Mill, South Carolina, 29715

(Address and zip code of principal executive offices)

(803) 802-7500

(Registrant’s telephone number, including area code)

N/A

(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:

☐	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: None

Indicate by check mark whether the registrant is an emerging growth company as defined in 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. ☐

ITEM 25.0502 ~~Costs~~Departure ~~Associated~~of ~~With~~Directors ~~Exit~~ or ~~Disposal~~Certain ~~Activities~~Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On ~~December~~June 226, ~~2025~~2026, ~~Domtar~~by ~~Corporation~~resolution ~~(“Domtar”)~~of ~~announced~~its ~~that~~sole itshareholder, ~~will~~Domtar ~~permanently~~Corporation ~~close~~(the ~~operations~~“Company”) atelected ~~its~~David ~~Crofton,~~J. ~~British Columbia~~Johnson, ~~facility~~Jr. ~~The~~as ~~decision~~a ~~will~~director. ~~reduce~~The ~~Domtar’s~~appointment ~~annual~~follows ~~pulp~~the ~~production~~entry by ~~approximately~~the ~~380,000~~Company ~~air-dried~~into ~~metric~~a ~~tons~~consulting ofagreement ~~northern~~with ~~bleached~~Gemsbok ~~softwood~~Partners ~~kraft~~LLC (~~NBSK~~“Gemsbok”), ~~pulp~~of which Mr. Johnson ~~The~~is ~~announcement~~the ~~will~~Managing ~~affect~~Member, ~~approximately~~dated ~~350~~April 7, ~~employees~~2026.

~~The~~A ~~closure~~U.S. isqualified ~~expected~~lawyer, toMr. Johnson ~~result~~retired inas ana ~~aggregate~~partner ~~pre-tax~~of ~~earnings~~(and ~~charge~~later ofOf ~~approximately~~Counsel ~~$60~~to) the international law firm O’Melveny ~~million~~& Myers LLP, ~~including~~where, anfor ~~estimated~~over ~~$19 million~~25 inyears, ~~cash~~he ~~charges~~advised ~~related~~clients toon ~~severance~~corporate and ~~employee~~finance ~~benefits,~~matters. anDuring ~~estimated~~his ~~$33 million~~tenure with O’Melveny, he served in ~~non~~a series of senior firm-~~cash~~wide ~~charges~~leadership ~~related~~roles, toincluding as a member of the ~~write~~Policy Committee (the firm’s board-~~off~~equivalent), Managing Partner of the ~~carrying~~Hong ~~amount~~Kong office, Chair of ~~property,~~the ~~plant~~Transactions ~~and~~Department ~~inventory~~(overseeing more than 350 lawyers across 12 offices), and anCo-Head ~~estimated~~of $8the Capital Markets Group. Mr. ~~million~~Johnson inholds ~~cash~~a ~~charges~~J.D./M.B.A. ~~related~~from tothe ~~other~~University ~~closure~~of Virginia School of Law/Darden School of Business and ~~clean-up~~a ~~costs~~B.A. ~~Costs~~ in ~~connection~~U.S. Government, with high honors, from the ~~closure~~University of ~~the~~Virginia. ~~Crofton~~The ~~facility~~Company ~~are~~believes ~~expected~~that toMr. Johnson’s bebackground ~~incurred~~and ~~largely~~experience in ~~December~~finance ~~2025~~and corporate matters, along with ~~the~~his ~~remaining~~managerial inexperience, ~~the~~qualifies ~~first~~him ~~half~~to ofact ~~2026~~in this role.

Costs associated with discontinuing production are based on management’s best estimates. Although the Company does not anticipate significant changes, actual costs may differ from these estimates due to subsequent business developments. As such, additional costs may be incurred in future periods.

A copy of the news release is being furnished as Exhibit 99.1 to this form 8-K.

ITEM 9.01

Financial Statements and Exhibits

(d) Exhibits

Exhibits 99.1:		Press release of Domtar Corporation, dated December 2, 2025.
104		Cover Page Interactive Data File (embedded within the Inline XBRL document)

[None.]

Cover Page Interactive Data File (embedded within the Inline XBRL document)

Exhibit Index

ExhibitNo.		Exhibit
99.1		Press Release of Domtar Corporation, dated December 2, 2025.

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.

DOMTAR CORPORATION
(Registrant)
By:		/s/ Nancy Klembus
Name:		Nancy Klembus
Title:		Senior Vice-President, ~~General~~Chief ~~Counsel~~Legal Officer and Corporate Secretary
Date: December 8, 2025
Date: June 29, 2026

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