MAC Copper Ltd — Regulatory Filings 2025

May 27, 2025

6-K 1 tm2516151d1_6k.htm FORM 6-K

Field: Rule-Page

Field: /Rule-Page

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
Commission File Number	001-41722

MAC COPPER LIMITED
(Translation of registrant’s name into English)
3rd Floor, 44 Esplanade St. Helier, Jersey, JE4 9WG Tel: +(817) 698-9901
(Address of principal executive offices)

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 x Form 40-F o

Field: Rule-Page

Field: /Rule-Page

Field: Page; Sequence: 1

Field: /Page

Incorporation By Reference

This Report on Form 6-K, including all exhibits hereto, shall be deemed to be incorporated by reference into the registration statement on Form F-3 (Registration No. 333-276216) (including any prospectuses forming a part of such registration statement) and to be a part thereof from the date on which this report is furnished, to the extent not superseded by documents or reports subsequently filed or furnished.

Field: Page; Sequence: 2

Field: /Page

EXHIBIT INDEX

Exhibit	Description of Exhibit
99.1	Press Release of MAC Copper Limited dated May 27, 2025

Field: Page; Sequence: 3

Field: /Page

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.

		MAC COPPER LIMITED
		(Registrant)
Date:	May 27 , 2025	By:	/s/ Michael James McMullen
			Name:	Michael James McMullen
			Title:	Chief Executive Officer

Field: Page; Sequence: 4; Options: Last

Field: /Page