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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * Trudeau Mark   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 __X__ Officer (give title below) _____ Other (specify below) President & CEO (Last) (First) (Middle) 675 MCDONNELL BLVD. 3. Date of Earliest Transaction (Month/Day/Year) 02/01/2014 (Street) HAZELWOOD, MO 63042 4. If Amendment, Date 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 (City) (State) (Zip) 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 02/01/2014   F   2,423 D $ 57.83 132,724 D   Oridnary Shares 02/03/2014   M(1)   17,904 A $ 37.85 150,628 D   Ordinary Shares 02/03/2014   S   5,387 D $ 55.17 (2) 145,241 D   Ordinary Shares 02/03/2014   S   3,901 D $ 56 (3) 141,340 D   Ordinary Shares 02/03/2014   S   5,302 D $ 57.07 (4) 136,038 D   Ordinary Shares 02/03/2014   S   300 D $ 57.95 (5) 135,892 (6) D

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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 Underlying Securities (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 of Derivative Security: 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

Share Options (Right to Buy)

$ 37.85

02/03/2014

M

17,904

02/01/2013(7)

01/31/2022

Ordinary Shares

17,904

$ 0

35,808

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Trudeau Mark 675 MCDONNELL BLVD. HAZELWOOD, MO 63042	X		President & CEO

Signatures

/s/ Miriam Rogers Singer, Attorney-in-Fact		02/04/2014
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	The transactions reported in this Form 4 were effected pursuant to a Rule 10b-5-1 Plan adopted by the reporting person on December 11, 2013.
(2)	This represents the weighted average price paid for the shares. The shares were sold at prices ranging from $54.58 to $55.57, inclusive. Mr. Trudeau will provide, upon request of the SEC staff, Mallinckrodt plc, or a shareholder of Mallinckrodt plc complete information regarding the number of shares sold at each price within the ranges set forth in footnotes (2) - (5) to this Form 4.
(3)	This represents the weighted average price paid for the shares. The shares were sold at prices ranging from $55.58 to $56.57, inclusive.
(4)	This represents the weighted average price paid for the shares. The shares were sold at prices ranging from $56.58 to $57.57, inclusive.
(5)	This represents the weighted average price paid for the shares. The shares were sold at prices ranging from $57.58 to $57.99, inclusive.
(6)	Includes 154 shares acquired under the Mallinckrodt employee stock purchase plan on January 6, 2014.
(7)	The options representing rights to purchase 71,616 ordinary shares became exercisable in four equal installments beginning on February 1, 2013, which is the first anniversary from the date of the grant.

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