SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP 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: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
	Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person* Bradley Mark T. (Last) (First) (Middle) 675 MCDONNELL BLVD. (Street) HAZELWOOD MO 63042 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol Mallinckrodt plc [ NONE ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner X Officer (give title below) Other (specify below) EVP, Chief Integration Officer
	3. Date of Earliest Transaction (Month/Day/Year) 07/31/2025
	4. If Amendment, Date of Original Filed (Month/Day/Year)	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 Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Ordinary Shares	07/31/2025		A		4,294	A	(1)	4,294	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	(2)(3)	07/31/2025		A		57,601		(2)(3)	(2)(3)	Ordinary Shares	57,601	$0.00	57,601	D

Explanation of Responses:

1. On July 31, 2025, pursuant to the Transaction Agreement, dated as of March 13, 2025 (as amended, the "Transaction Agreement"), by and among Mallinckrodt plc (the "Issuer"), Endo, Inc. ("Endo") and Salvare Merger Sub LLC, the Issuer's wholly owned subsidiary ("Merger Sub"), the Merger Sub merged with and into Endo (the "Business Combination"), with Endo surviving the Business Combination as a wholly owned subsidiary of the Issuer. At the Merger Effective Time (as defined in the Transaction Agreement), each share of Endo common stock held by the reporting person immediately prior to the Merger Effective Time automatically converted into the right to receive approximately $1.31 in cash and 0.2575 ordinary shares of the Issuer without interest and subject to applicable withholding.

2. Effective at the Merger Effective Time, (i) each restricted stock unit in respect of Endo common stock ("Endo RSU") held by the reporting person immediately prior to the Merger Effective Time automatically converted into a restricted unit in respect of a number of ordinary shares of the Issuer ("Issuer RSU") determined in accordance with the formula set forth in the Transaction Agreement and (ii) each performance-based restricted stock unit in respect of Endo common stock ("Endo PSU") held by the reporting person immediately prior to the Merger Effective Time automatically converted into an Issuer RSU in respect of the number of ordinary shares of the Issuer determined in accordance with the formula set forth in the Transaction Agreement assuming the performance goals were achieved based on target performance.

3. The Issuer RSUs will vest ratably on April 23, 2026 and April 23, 2027. Upon vesting, each Issuer RSU will be settled in ordinary shares of the Issuer at one share per Issuer RSU.

Remarks:

This Form 4 constitutes a notice to the Issuer for purposes of Part V of the Companies Act 2014.

	/s/ Mark Tyndall, Attorney-in-Fact	08/04/2025
	** 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 4 (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).
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