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* GOLDENTREE ASSET MANAGEMENT LP (Last) (First) (Middle) 300 PARK AVENUE, 21ST FLOOR (Street) NEW YORK NY 10022 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 12/04/2023	3. Issuer Name and Ticker or Trading Symbol Mallinckrodt plc [ MNKTQ ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)	5. If Amendment, Date of Original Filed (Month/Day/Year)
			6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X 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	1,996,023	I	See footnotes(1)(2)(3)

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

1. Name and Address of Reporting Person* GOLDENTREE ASSET MANAGEMENT LP (Last) (First) (Middle) 300 PARK AVENUE, 21ST FLOOR (Street) NEW YORK NY 10022 (City) (State) (Zip)

1. Name and Address of Reporting Person* GoldenTree Asset Management LLC (Last) (First) (Middle) 300 PARK AVENUE, 21ST FLOOR (Street) NEW YORK NY 10022 (City) (State) (Zip)

1. Name and Address of Reporting Person* Tananbaum Steven A. (Last) (First) (Middle) 300 PARK AVENUE, 21ST FLOOR (Street) NEW YORK NY 10022 (City) (State) (Zip)

Explanation of Responses:

1. This Form 3 is filed on behalf of GoldenTree Asset Management LP (the "Advisor"), GoldenTree Asset Management LLC (the "General Partner") and Steven A. Tananbaum (collectively, the "Reporting Persons"). The Advisor is the investment manager or advisor to certain funds and separate accounts managed by the Advisor (the "Funds") and may be deemed to have a pecuniary interest in the securities directly held by the Funds. The General Partner is the general partner of the Advisor and may be deemed to have a pecuniary interest in the Ordinary Shares reported herein in which the Advisor has a pecuniary interest. Steven A. Tananbaum is the managing member of the General Partner and may be deemed to have a pecuniary interest in the Ordinary Shares reported herein in which the Advisor and the General Partner have a pecuniary interest.

2. The Advisor, the General Partner, and Mr. Tananbaum disclaim beneficial ownership of the Ordinary Shares held by the Funds.

3. The Ordinary Shares are held directly by certain funds and separate accounts managed by the Advisor.

	GoldenTree Asset Management LP, By: GoldenTree Asset Management LLC, its General Partner, /s/ Steven A. Tananbaum	12/13/2023
	GoldenTree Asset Management LLC, /s/ Steven A. Tananbaum	12/13/2023
	/s/ Steven A. Tananbaum	12/13/2023
	** 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.