[Form 3] Ardagh Metal Packaging S.A. Initial Statement of Beneficial Ownership

Ardagh Metal Packaging S.A. director Damien O'Brien filed an initial statement of beneficial ownership, reporting his holdings of Ordinary Shares.

Rhea-AI Filing Summary

Ardagh Metal Packaging S.A. director Damien O'Brien filed an initial statement of beneficial ownership, reporting his holdings of Ordinary Shares. This filing does not show any new purchases or sales, only the share amounts he beneficially owns as he becomes a reporting insider.

He reports 63,356 Ordinary Shares held directly and 243,750 Ordinary Shares held indirectly through Tregoyd Pty Ltd. All shares of Tregoyd Pty Ltd are owned by Anglesea Investments Pty Ltd as trustee for the Damien O'Brien Family Trust, over which he retains 100% control.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider OBrien Damien

Role Director

Type	Security	Shares	Price	Value
holding	Ordinary Shares	--	--	--
holding	Ordinary Shares	--	--	--

Holdings After Transaction: Ordinary Shares — 63,356 shares (Direct); Ordinary Shares — 243,750 shares (Indirect, By Tregoyd Pty Ltd)

Footnotes (1)

1. F1. Represents Ordinary Shares owned by Tregoyd Pty Ltd. All shares issued by Tregoyd Pty Ltd are beneficially owned by Anglesea Investments Pty Ltd, in its capacity as trustee for the Damien O'Brien Family Trust (the "Trust"). The Reporting Person is the sole director of the Trust and retains 100% control over Tregoyd Pty Ltd and Anglesea Investments Pty Ltd.

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Accepted by SEC EDGAR 03/18/2026 - 06:15 PM Learn about SEC filing dates

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

OBrien Damien

(Last) (First) (Middle)

56, RUE CHARLES MARTEL

(Street)

LUXEMBOURG L-2134

(City) (State) (Zip)

LUXEMBOURG

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026

3. Issuer Name and Ticker or Trading Symbol
Ardagh Metal Packaging S.A. [ AMBP ]

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Ordinary Shares	63,356	D
Ordinary Shares	243,750	I	By Tregoyd Pty Ltd(1)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents Ordinary Shares owned by Tregoyd Pty Ltd. All shares issued by Tregoyd Pty Ltd are beneficially owned by Anglesea Investments Pty Ltd, in its capacity as trustee for the Damien O'Brien Family Trust (the "Trust"). The Reporting Person is the sole director of the Trust and retains 100% control over Tregoyd Pty Ltd and Anglesea Investments Pty Ltd.

Remarks:

(1) Torsten Schoen is signing on behalf of the Reporting Person pursuant to the power of attorney dated February 24, 2026, which is attached hereto as an exhibit. Exhibit 24.1 - Power of Attorney.

	/s/ Torsten Schoen, as Attorney-in-Fact on behalf of Damien O'Brien	03/18/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)