Sun Life Financial Inc. (SLF) files November 2025 Form 6-K report

Rhea-AI Filing Summary

Sun Life Financial Inc. filed a Form 6-K for November 2025 as a foreign private issuer. The submission includes a Shareholders’ Report, certificates from the Chief Executive Officer and Chief Financial Officer under Canadian National Instrument 52-109, and an earnings coverage ratio prepared under Canadian National Instrument 44-102 for shelf distributions.

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

For the month of November, 2025 Commission File Number:001-15014

SUN LIFE FINANCIAL INC.

(Translation of registrant’s name into English)

1 York Street, 31st Floor, Toronto, Ontario M5J 0B6

(Address of principal executive offices)

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

Form 20-F            Form 40-F    X

Exhibit

99.1    Shareholders’ Report

99.2    Certificates of the Chief Executive Officer and Chief Financial Officer pursuant to Canadian National Instrument 52-109 - Certification of Disclosure in Issuers’ Annual and Interim Filings

99.3    Earnings Coverage Ratio pursuant to Canadian National Instrument 44-102 - Shelf Distributions

SIGNATURE

Pursuant to the requirement 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.

Sun Life Financial Inc.

                        (Registrant)

Date: November 5, 2025                By    /s/ “Kevin Armitage”            

                            Kevin Armitage

    AVP & Managing Counsel, Corporate Legal

Exhibit 99.1

Exhibit 99.2

Exhibit 99.3

FAQ

What does Sun Life Financial Inc. (SLF) report in its November 2025 Form 6-K?

Sun Life Financial Inc. reports a November 2025 Form 6-K as a foreign private issuer. The filing furnishes a Shareholders’ Report, executive certification of disclosure, and an earnings coverage ratio prepared under specific Canadian National Instruments for regulatory and investor transparency.

Which exhibits are included in Sun Life (SLF) November 2025 Form 6-K?

The November 2025 Form 6-K includes three exhibits: a Shareholders’ Report, CEO and CFO certificates under Canadian National Instrument 52-109 on disclosure, and an earnings coverage ratio prepared under Canadian National Instrument 44-102 related to shelf distributions for Sun Life Financial Inc.

What is the role of the CEO and CFO certificates in SLF’s Form 6-K?

The CEO and CFO certificates in Sun Life’s Form 6-K are issued under Canadian National Instrument 52-109. They relate to certification of disclosure in the issuer’s annual and interim filings, supporting the reliability and integrity of reported financial and non-financial information for shareholders.

What does the earnings coverage ratio exhibit mean for Sun Life (SLF)?

The earnings coverage ratio exhibit is provided pursuant to Canadian National Instrument 44-102 on shelf distributions. It presents a measure relevant to Sun Life’s ability to cover interest or similar obligations, supporting regulatory disclosure requirements associated with shelf distribution programs.

Where is Sun Life Financial Inc.’s principal executive office located?

Sun Life Financial Inc.’s principal executive office is located at 1 York Street, 31st Floor, Toronto, Ontario, M5J 0B6. This address identifies the company’s main corporate headquarters for legal, regulatory, and investor communication purposes as referenced in the Form 6-K.