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 4, 2025

Chubb Limited

(Exact name of registrant as specified in its charter)

Switzerland		1-11778		98-0091805
(State or other jurisdiction of incorporation)		(Commission File Number)		(I.R.S. Employer Identification No.)

Baerengasse 32

CH-8001 Zurich, Switzerland

(Address of principal executive offices)

Registrant’s telephone number, including area code: +41 (0)43 456 76 00

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 Shares, par value CHF 0.50 per share	CB	New York Stock Exchange
Guarantee of Chubb INA Holdings LLC 0.875% Senior Notes due 2027	CB/27	New York Stock Exchange
Guarantee of Chubb INA Holdings LLC 1.55% Senior Notes due 2028	CB/28	New York Stock Exchange
Guarantee of Chubb INA Holdings LLC 0.875% Senior Notes due 2029	CB/29A	New York Stock Exchange
Guarantee of Chubb INA Holdings LLC 1.40% Senior Notes due 2031	CB/31	New York Stock Exchange
Guarantee of Chubb INA Holdings LLC 2.50% Senior Notes due 2038	CB/38A	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 (17 CFR 230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR 240.12b-2).

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 5.02

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

On November 4, 2025, Chubb Limited (“Company”) announced that John Lupica, Vice Chairman, Chubb Group, and Executive Chairman, North America Insurance, and a named executive officer of the Company, will retire effective December 31, 2025.

The Company also announced that John Keogh, the Company’s President and Chief Operating Officer, has been appointed to the additional responsibility of Chairman, North America Insurance.

Item 7.01

Regulation FD Disclosure

On November 4, 2025, the Company issued a press release announcing the retirement of Mr. Lupica. A copy of the press release is attached hereto as Exhibit 99.1 and incorporated into this Item 7.01 by reference.

The information furnished pursuant to this Item 7.01, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the “Exchange Act”) or otherwise subject to the liabilities under that Section and shall not be deemed to be incorporated by reference into any filing of the Company under the Securities Act of 1933 or the Exchange Act.

Item 9.01.

Financial Statements and Exhibits

(d)

Exhibits

	Exhibit Number	Description
	99.1	Press Release, dated November 4, 2025, announcing the retirement of John Lupica

	104	Cover Page Interactive Data File (the cover page XBRL tags are embedded within the Inline XBRL document)

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.

	CHUBB LIMITED

	By:	/s/ Joseph F. Wayland
		Joseph F. Wayland
		General Counsel

DATE: November 4, 2025

Exhibit 99.1

Chubb Limited

Bärengasse 32

CH-8001 Zurich

Switzerland

chubb.com

@ChubbNA

News Release

Chubb Announces John Lupica to Retire

Zurich, November 4, 2025 – Chubb Limited (NYSE: CB) today announced that John Lupica, Vice Chairman, Chubb Group and Executive Chairman, North America Insurance, will retire effective December 31, 2025, following 25 years of exceptional service.

Mr. Lupica has been a distinguished and widely respected leader in the property and casualty industry for more than three decades. During his tenure at Chubb, Mr. Lupica held important leadership roles, contributing directly to the company’s growth and outstanding results.

Evan G. Greenberg, Chairman and Chief Executive Officer of Chubb Limited and Chubb Group said, “John has been a long-time trusted partner in our journey to build Chubb into the company it is today. His contributions have been simply enormous. We are all so grateful for the leadership, underwriting and management skill he brought to bear over so many years. Additionally, John’s impact on our culture and the values we hold dear will endure for years to come. His work ethic, sense of loyalty and passion for our mission have left a mark on so many colleagues. The Chubb organization, and I personally, wish him Godspeed and much happiness as he pursues the next chapter in his life.”

John Keogh, President and Chief Operating Officer, Chubb Group, has been appointed to the additional responsibility of Chairman, North America Insurance.

About Chubb

Chubb is a world leader in insurance. With operations in 54 countries and territories, Chubb provides commercial and personal property and casualty insurance, personal accident and supplemental health insurance, reinsurance and life insurance to a diverse group of clients. The company is defined by its extensive product and service offerings, broad distribution capabilities, exceptional financial strength and local operations globally. Parent company Chubb Limited is listed on the New York Stock Exchange (NYSE: CB) and is a component of the S&P 500 index. Chubb employs approximately 43,000 people worldwide. Additional information can be found at: www.chubb.com.

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