Pelagos Insurance Capital Ltd (Form: 6-K, Received: 05/12/2026 16:07:30)

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

May 12, 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 ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):

Yes ☐ No ☒

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):

Yes ☐ No ☒

On May 11, 2026, Pelagos Insurance Capital Limited (formerly Fidelis Insurance Holdings Limited) (the “Company”) issued a press release announcing legal effectiveness of its previously announced rebrand, including the legal effectiveness of its name change. A copy of this press release is attached hereto as Exhibit 99.1.

On May 12, 2026, the Company issued a press release announcing the change of its ticker symbol on the New York Stock Exchange to “PLGO” (NYSE: PLGO). A copy of this press release is attached hereto as Exhibit 99.2.

Incorporation by Reference

The information furnished in this Report of Foreign Private Issuer on Form 6-K (this “Report”) (excluding Exhibits 99.1 and 99.2) shall be deemed to be filed with the Securities and Exchange Commission and incorporated by reference into the Company’s registration statements on Form S-8 (File No. 333-273105) and Form F-3 (File No. 333-287332), and any related prospectuses, as such registration statements and prospectuses may be amended from time to time, and to be part thereof from the date on which this Report is filed, to the extent not superseded by documents or reports subsequently filed or furnished.

EXHIBIT INDEX

Exhibit


99.1			Press Release dated May 11, 2026
99.2			Press Release dated May 12, 2026

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.


	PELAGOS INSURANCE CAPITAL LIMITED

Dated: May 12, 2026	By:	/s/ Allan C. Decleir
	Name:	Allan C. Decleir
	Title:	Group Chief Financial Officer

Pelagos Insurance Capital (formerly Fidelis Insurance Group) Announces Official Rebrand

•The Company has rebranded as Pelagos Insurance Capital, effective May 11, 2026

•The Company’s common shares are expected to begin trading under the new name and ticker symbol “PLGO,” effective May 12, 2026

•Pelagos Insurance Capital will report its first quarter 2026 financial results after market close on May 13, 2026 and hold its earnings call on May 14, 2026

PEMBROKE, Bermuda - Pelagos Insurance Capital Limited (“Pelagos Insurance Capital” or the “Company”), formerly Fidelis Insurance Holdings Limited (NYSE:FIHL), an expert capital allocator and risk selector in specialty insurance and reinsurance, announced today that following shareholder approval at its Annual General Meeting on April 28, 2026, the Company has rebranded as Pelagos Insurance Capital. The legal name change is effective as of May 11, 2026, and the Company’s ticker symbol is expected to change from “FIHL” to “PLGO” on the New York Stock Exchange effective May 12, 2026.

Dan Burrows, Group Chief Executive Officer, commented: “Our new name, Pelagos Insurance Capital, marks an exciting milestone in our evolution. The name is a stronger, clearer reflection of who we are. It captures what we’ve built, how we create value, and where we’re going.

“The name Pelagos underscores this unique position in the market. We create value by linking capital to risk, specialist partners to global opportunity, and people to a shared ambition. Like an archipelago with distinct parts that are closely linked and stronger together, our new name speaks to the power of connection.

“While our name is changing, everything else is staying the same. The same team and expertise, the same capital strength and underwriting strategy, and the same commitments to our clients, brokers, and shareholders. As Pelagos Insurance Capital, we’re building on a strong foundation with real momentum. We’re excited about what comes next.”

Pelagos Insurance Capital will release its Q1 2026 financial results after market close on May 13, 2026, as previously announced. The earnings call will follow on May 14, 2026 at 9:00 am ET. Results and webcast access will be available in the Investors section of our website at www.pelagosinsurancecapital.com.

To join the teleconference, dial 1-800-715-9871 (U.S. and Canada) or 1-646-307-1963 (international) and enter passcode 8797451 approximately 10 minutes before the call. A live, listen-only webcast will also be accessible via our website at www.pelagosinsurancecapital.com.

About Pelagos Insurance Capital

Pelagos Insurance Capital, formerly Fidelis Insurance Group, is an expert capital allocator and risk selector in specialty insurance and reinsurance. We bring together strategic capital and specialist underwriting expertise to deliver value through the cycle.

With a differentiated, diversified portfolio and strong balance sheet, we deploy capital into the most compelling areas of the market through our network of best-in-class underwriting partners. Our deep expertise and multiple points of access to the market enable us to adapt as the market evolves, optimize performance, and produce superior outcomes for clients, brokers, and shareholders.

Pelagos Insurance Capital makes the connections that matter in specialty risk.

For additional information about Pelagos Insurance Capital, our people, products and our insurer financial strength ratings please visit our website at www.pelagosinsurancecapital.com.

Pelagos Insurance Capital Investor Contact:

Pelagos Insurance Capital
Miranda Hunter
+1 441 279 2561

Pelagos Insurance Capital Media Contact:

Rein4ce
Sarah Hills
+44 (0)7718 882011

Pelagos Insurance Capital to Begin Trading on NYSE as “PLGO”

Will Report Q1 Financial Results After Market Close on May 13, as Previously Announced

PEMBROKE, Bermuda – May 12, 2026 – Pelagos Insurance Capital Limited (“Pelagos Insurance Capital” or the “Company”), formerly Fidelis Insurance Holdings Limited (NYSE:FIHL), an expert capital allocator and risk selector in specialty insurance and reinsurance, announced today it will begin trading on the New York Stock Exchange under its new name and ticker symbol “PLGO.” This follows the Company’s recent rebrand from Fidelis Insurance Group to Pelagos Insurance Capital, effective May 11, 2026, after shareholder approval at the Company’s Annual General Meeting on April 28, 2026.

The ticker symbol change from “FIHL” to “PLGO” reflects the Company’s new brand identity.

Pelagos Insurance Capital will release its Q1 2026 financial results after market close on May 13, 2026, as previously announced. The earnings call will follow at 9:00 am ET on May 14, 2026, under the Company’s new name and ticker symbol “PLGO”. Results and webcast access will be available in the Investors section of our website at www.pelagosinsurancecapital.com.