6-K 1 ambp-20250630x6k.htm 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

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Washington, D.C. 20549

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FORM 6-K

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REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16 UNDER

THE SECURITIES EXCHANGE ACT OF 1934

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For the month of July, 2025

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Commission File Number: 001-40709

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Ardagh Metal Packaging S.A.

(Name of Registrant)

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56, rue Charles Martel

L-2134 Luxembourg, Luxembourg

+352 26 25 85 55

(Address of Principal Executive Offices)

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

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Form 20-F ☒ Form 40-F ☐

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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): _____

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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): _____

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EXHIBIT INDEX

This report on Form 6-K comprises of Ardagh Metal Packaging S.A.’s (the “Company”) quarterly report for the three and six months ended June 30, 2025, which is attached hereto as Exhibit 99.1.

Incorporation by Reference

The information set forth in this report on Form 6-K shall be deemed to be incorporated by reference into the registration statement filed on Form F-3, as amended (Registration No. 333-258749) by the Company (including any prospectus 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registration statement), and to be a part thereof from the date on which this report is furnished, to the extent not superseded by documents or reports subsequently filed or furnished.

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Exhibit Number |  | Description
99.1 101 ​ |  | Ardagh Metal Packaging S.A. Quarterly Report for the three and six months ended June 30, 2025 Interactive Data Files (XBRL – Related Documents) ​ ​
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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, Ardagh Metal Packaging S.A. has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Date: July 24, 2025

| Ardagh Metal Packaging S.A. |
| By: | /s/ Oliver Graham |
| Name: | Oliver Graham |
| Title: | Chief Executive Officer |

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