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

~~Securities~~Date ~~Exchange~~of ~~Act~~Report (Date of ~~1934~~earliest event reported): March 10, 2026

~~Date of Report (Date of earliest event reported) - February~~CHUBB LIMITED ~~3, 2026~~

Chubb Limited

(Exact name of registrant as specified in its charter)

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

Not applicable

(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 (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))

☐ 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 25.~~02.~~03 ~~Results~~Amendments to Articles of ~~Operations~~Incorporation ~~and~~or ~~Financial~~Bylaws; ~~Condition~~Change in Fiscal Year

On ~~February 3~~March 10, 2026, the Board of Directors of Chubb Limited ~~issued~~(the “Company”) completed a ~~Press~~share ~~Release~~capital ~~reporting~~reduction ~~its~~of ~~fourth~~CHF ~~quarter~~5,993,287, ~~and~~by ~~year-end~~means ~~2025~~of ~~results~~cancellation ~~and~~of ~~the~~11,986,574 ~~availability~~treasury ofshares, ~~its~~par ~~fourth~~value ~~quarter~~CHF ~~and~~0.50 ~~year-end~~per ~~2025~~share, ~~Financial~~repurchased ~~Supplement~~by the Company in 2025. The ~~Press~~capital ~~Release~~reduction ~~and~~became ~~the~~effective ~~Financial~~upon ~~Supplement~~registration ~~are~~with ~~attached~~the ~~hereto~~Commercial asRegister ~~Exhibit~~of ~~99.1~~the ~~and~~Canton ~~Exhibit~~of ~~99.2~~Zurich, ~~respectively~~Switzerland, and ~~are~~was ~~hereby~~completed ~~incorporated~~pursuant ~~herein~~to and in accordance with the capital band provision for authorized share capital increases and reductions by ~~reference~~the Board of Directors set forth in the Company’s Articles of Association.

~~The~~Article ~~information~~3 ~~furnished pursuant to this Item 2.02, including Exhibit 99.1 and Exhibit 99.2, shall not be deemed “filed” for purposes~~ of ~~Section 18 of~~ the ~~Securities~~Company’s ~~Exchange~~Articles ~~Act~~ of ~~1934~~Association ~~(the~~was ~~“Exchange~~amended ~~Act”) or otherwise subject~~ to effect the ~~liabilities~~share ~~under~~capital ~~that~~reduction, ~~Section~~reflecting ~~and~~the ~~shall~~change ~~not~~in beshare ~~deemed~~capital tofrom beCHF ~~incorporated~~206,053,710.50, bydivided ~~reference~~ into ~~any~~412,107,421 ~~filing~~registered ofshares, ~~the~~to ~~Company~~CHF ~~under~~200,060,423.50, ~~the~~divided ~~Securities~~into ~~Act~~400,120,847 ofregistered ~~1933 or the Exchange Act~~shares.

A copy of the amended Articles of Association is attached hereto as Exhibit 3.1 and is incorporated herein by reference.

Item 9.01.

Financial Statements and Exhibits

(d)

Exhibits

ExhibitNumber		Description
Exhibit Number		Description
99.1		Press Release, Dated February 3, 2026, Reporting Fourth Quarter and Year-End 2025 Results
3.1		Articles of Association of the Company as amended
99.2		Fourth Quarter and Year-End 2025 Financial Supplement
4.1		Articles of Association of the Company as amended (Incorporated by reference to Exhibit 3.1)
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~~CHUBB ~~Limited~~LIMITED By: /s/ ~~Peter~~Joseph ~~Enns~~F. ~~Peter~~Wayland ~~Enns~~Joseph ~~Executive~~F. ~~Vice~~Wayland ~~President~~General ~~and Chief Financial Officer~~Counsel

DATE: ~~February 3~~March 11, 2026

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