SEC FORM 4

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

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

THOMPSON VIRGIL D

(Last)

(First)

(Middle)

C/O MALLINCKRODT PLC

675 JAMES S. MCDONNELL BLVD.

(Street)

HAZELWOOD

63042

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
Mallinckrodt plc [ MNK ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
08/14/2014

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Ordinary shares, $0.20 par value	08/14/2014	08/14/2014	A		90,288⁽¹⁾⁽²⁾	A	⁽¹⁾⁽²⁾	90,288	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Units	$0.00	08/14/2014		A		1,893		⁽³⁾	⁽³⁾	Ordinary shares	1,893	⁽³⁾	1,893	D

Explanation of Responses:

1. On August 14, 2014, Mallinckrodt plc ("Mallinckrodt") acquired Questcor Pharmaceuticals, Inc. ("Questcor") pursuant to the Agreement and Plan of Merger, dated as of April 5, 2014, by and among Mallinckrodt, Questcor and Quincy Merger Sub, Inc. (the "Merger"). In connection with the Merger, immediately prior to the effective time of the Merger (the "Effective Time"): (i) each share of Questcor common stock (except for certain shares defined in the Merger Agreement) converted into the right to receive, without interest, (a) $30.00 in cash and (b) 0.897 of an ordinary share of Mallinckrodt, in exchange for such share of Questcor common stock ("Merger Consideration");

2. (ii) each outstanding option to purchase Questcor common stock granted to a non-employee director (whether vested or unvested) converted into the right to receive the Merger Consideration with respect to each share of Questcor common stock subject to such option immediately prior to the Effective Time, net of the applicable exercise price; and (iii) each outstanding share of restricted Questcor common stock granted to a non-employee director was converted into the right to receive the Merger Consideration.

3. These restricted stock units ("RSUs") were granted to the reporting person in connection with his appointment to the Mallinckrodt board of directors on August 14, 2014. These RSUs vest in their entirety as of the date of Mallinckrodt's 2015 annual general meeting of shareholders and settle in Mallinckrodt ordinary shares upon vesting.

Remarks:

	/s/ Miriam R. Singer (By Power of Attorney)	08/18/2014
	** 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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