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 15, 2025
UBS Group AG
(Registrant's Name)
Bahnhofstrasse 45, 8001 Zurich, Switzerland
(Address of principal executive office)
Commission File Number: 1-36764
UBS AG
(Registrant's Name)
Bahnhofstrasse 45, 8001 Zurich, Switzerland
Aeschenvorstadt 1, 4051 Basel, Switzerland
(Address of principal executive offices)
Commission File Number: 1-15060
Indicate by check mark whether the registrants file or will file annual reports under cover of Form
20-F or Form 40-
F.
Form 20-F
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This Form 6-K consists of the news releases which appear immediately following this page.
Investor Relations
Tel. +41-44-234 41 00
Media Relations
Tel. +41-44-234 85 00
UBS Group AG, News Release, 15 December 2025 Page 1
15 December 2025
Ad hoc announcement pursuant to article 53 of the SIX Exchange Regulation Listing Rules
News release
Changes to UBS’s Group Executive Board
●
Mike Dargan, Group Chief Operations and Technology Officer, will step down from his role
●
Group Technology function to report into Group Chief Operating Officer Beatriz Martin
Zurich, 15 December 2025 – As Mike Dargan has decided to step down as Group Chief Operations and
Technology Officer at the end of December to pursue an opportunity outside of UBS, the Group Technology
function will report into Beatriz Martin as she takes up her new role as Group Chief Operating Officer on 1
January 2026. Pending the appointment of a permanent successor, Chris Gelvin will act as interim Head
Group Technology, in addition to his current role of Chief Operating Officer, Group Technology.
Adding Group Technology to the Group COO portfolio will support smooth end-to-end operations, prioritize
initiatives related to technology and artificial intelligence, and ensure a smooth completion of the remaining
technology integration process.
1
Commenting on the appointments, Group CEO Sergio P. Ermotti said: “Mike has been instrumental in
positioning our technology as a driver of business growth and resilience and progressing the firm’s strategic
shift towards AI and digitization. I would like to thank Mike for his significant contributions to UBS and wish
him all the best for this future. I also congratulate Bea on her expanded responsibilities and thank her for her
ongoing leadership.”
UBS Group AG and UBS AG
Investor contact
Switzerland: +41-44-234 41 00
Media contact
Switzerland: +41-44-234 85 00
UK: +44-207-567 47 14
Americas: +1-212-882 58 58
APAC: +852-297-1 82 00
www.ubs.com/media
1
This Form 6-K is hereby incorporated by reference into (1) each of the registration statements on Form F-3
(Registration Number 333-283672), and on Form S-8 (Registration Numbers 333-200634; 333-200635; 333-
200641; 333-200665; 333-215254; 333-215255; 333-228653; 333-230312; 333-249143 and 333-272975), and into
each prospectus outstanding under any of the foregoing registration statements, (2) any outstanding offering
circular or similar document issued or authorized by UBS AG that incorporates by reference any Forms 6-K of
UBS AG that are incorporated into its registration statements filed with the SEC, and (3) the base prospectus of
Corporate Asset Backed Corporation (“CABCO”) dated June 23, 2004 (Registration Number 333-111572), the
Form 8-K of CABCO filed and dated June 23, 2004 (SEC File Number 001-13444), and the Prospectus
Supplements relating to the CABCO Series 2004-101 Trust dated May 10, 2004 and May 17, 2004 (Registration
Number 033-91744 and 033-91744-05).
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrants have duly caused
this report to be signed on their behalf by the undersigned, thereunto duly authorized.
UBS Group AG
By: _/s/ David Kelly______________
Name: David Kelly
Title: Managing Director
By: _/s/ Ella Copetti-Campi_________
Name: Ella Copetti-Campi
Title: Executive Director
UBS AG
By: _/s/ David Kelly______________
Name: David Kelly
Title: Managing Director
By: _/s/ Ella Copetti-Campi________
Name: Ella Copetti-Campi
Title: Executive Director
Date: December 15, 2025