[6-K] UBS AG Current Report (Foreign Issuer)

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

Form 6-K

REPORT OF FOREIGN PRIVATE ISSUER
PURSUANT TO RULE 13a-16 OR 15d-16
UNDER THE SECURITIES EXCHANGE ACT OF 1934

Date: December 29, 2025
Commission File Number 001-33434

UBS AG
(Translation of Registrant’s Name Into English)

Bahnhofstrasse 45, Zurich, Switzerland, and

Aeschenvorstadt 1, Basel, Switzerland
(Address of Principal Executive Offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F ☒ Form 40-F ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ____

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ____

This Form 6-K is hereby incorporated by reference into the registration statement of UBS AG on Form F-3 (Registration Number 333-283672).

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, thereunto duly authorized.

Date: December 29, 2025	UBS AG
	By: /s/ Erica Yeu
	Name: Erica Yeu
	Title:   Managing Director
	By: /s/ Derek Kramarz
	Name: Derek Kramarz
	Title:   Executive Director

EXHIBIT INDEX

Exhibit	Description of Exhibit
5.1	Opinion of Sullivan & Cromwell LLP, dated December 29, 2025
5.2	Opinion of Homburger AG, dated December 29, 2025