Pelagos Insurance Capital批准将回购授权总额增至4亿美元，并提高季度股息至每股0.22美元

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

November 3, 2026

Commission File Number: 001-41731

PELAGOS INSURANCE CAPITAL LIMITED
(Exact Name of Registrant as Specified in its Charter)

Wellesley House South, 90 Pitts Bay Road, Pembroke, Bermuda, HM08
+1 441 279 2590
(Address of Principal Executive Office)

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 ☐

On November 3, 2026, Pelagos Insurance Capital Limited (formerly known as Fidelis Insurance Holdings Limited) (the “Company”) issued a press release announcing that its board of directors has (i) approved the replenishment of the Company’s common share repurchase authorization, bringing the total current authorization to $400.0 million, and (ii) approved an increase in the quarterly common share dividend to $0.22 per share. The Board declared the dividend payable on December 23, 2026, to common shareholders of record on December 11, 2026.

A copy of the press release is attached hereto as Exhibit 99.1.

EXHIBIT INDEX

Exhibit

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.