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 OF

THE SECURITIES EXCHANGE ACT OF 1934

For the month of May 2026

Commission File Number: 001-34153

GLOBAL SHIP LEASE, INC.

(Translation of registrant’s name into English)

c/o GSL Enterprises Ltd.

9 Irodou Attikou Street

Kifisia, Athens

Greece, 14561

(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 ☐

INFORMATION CONTAINED IN THIS FORM 6-K REPORT

First Quarter 2026 Results

Attached to this Report on Form 6-K (this “Report”) as Exhibit 99.1 is a copy of the press release of Global Ship Lease, Inc. (the “Company”), dated May 22, 2026, reporting the Company’s financial results for the three months ended March 31, 2026.

Attached to this Report as Exhibit 99.2 are the Company’s interim unaudited condensed consolidated financial statements, and the accompanying notes thereto, for the three months ended March 31, 2026.

The information contained in this Report, except for the commentary of George Youroukos and Thomas Lister contained in Exhibit 99.1, is hereby incorporated by reference into the Company’s registration statements on Form F-3 (File Nos. 333-231509 and 333-290461) and Form S-8 (File Nos. 333-258992, 333-264113 and 333-294357).

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, thereunto duly authorized.

	GLOBAL SHIP LEASE, INC. (Registrant)

Dated: May 22, 2026

	By:	/s/ Thomas Lister
		Thomas Lister
		Chief Executive Officer