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).

1. Name and Address of Reporting Person* Carestio Daniel A (Last) (First) (Middle) C/O CHANCERY HOUSE, 190 WATERSIDE ROAD HAMILTON INDUSTRIAL PARK (Street) LEICESTER X0 LE5 1QZ (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol Steris plc [ STE ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner X Officer (give title below) Other (specify below) Sr. V. P., Isomedix & Life Sci
	3. Date of Earliest Transaction (Month/Day/Year) 11/02/2015
	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, ?0.10 Nominal Value	11/02/2015		A		16,800(1)	A	(2)	16,800	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
Employee Stock Option (right to buy)	$29.94	11/02/2015		A		2,225		(3)	05/30/2022	Ordinary Shares, ?0.10 Nominal Value	2,225	(3)	2,225	D
Employee Stock Option (right to buy)	$45.34	11/02/2015		A		10,120		(4)	05/31/2023	Ordinary Shares, ?0.10 Nominal Value	10,120	(4)	10,120	D
Employee Stock Option (right to buy)	$53.52	11/02/2015		A		7,000		(5)	05/30/2024	Ordinary Shares, ?0.10 Nominal Value	7,000	(5)	7,000	D
Employee Stock Option (right to buy)	$67.98	11/02/2015		A		8,000		(6)	08/10/2025	Ordinary Shares, ?0.10 Nominal Value	8,000	(6)	8,000	D

Explanation of Responses:

1. 16,800 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 4,500 on May 31, 2016; 3,300 on May 31, 2017; 4,000 on May 30, 2018 and 5,000 on May 28, 2019.

2. Represents ordinary shares of STERIS plc ("New STERIS") acquired pursuant to merger of a wholly-owned subsidiary of New STERIS with and into STERIS Corporation ("STERIS"), with STERIS surviving the merger as a wholly-owned subsidiary of New STERIS (the "Merger"), in exchange for common shares of STERIS, which was consummated simultaneous with and conditioned on New STERIS' acquisition of Synergy Health plc by commencing a "recommended offer" under English law. At the effective time of the Merger, each STERIS common share was cancelled and converted into the right to receive one New STERIS ordinary share.

3. This option will become exercisable as follows: 2,225 on May 30, 2016. This option was received in the Merger in exchange for an option to purchase 2,225 STERIS common shares for $29.94 per share, subject to the same terms and conditions as the original STERIS stock option.

4. This option became or will become exercisable as follows: 2,530 on May 31, 2014; 2,530 on May 31, 2015; 2,530 on May 31, 2016 and 2,530 on May 31, 2017. This option was received in the Merger in exchange for an option to purchase 10,120 STERIS common shares for $45.34 per share, subject to the same terms and conditions as the original STERIS stock option.

5. This option became or will become exercisable as follows: 1,750 on May 30, 2015; 1,750 on May 30, 2016; 1,750 on May 30, 2017 and 1,750 on May 30, 2018. This option was received in the Merger in exchange for an option to purchase 7,000 STERIS common shares for $53.52 per share, subject to the same terms and conditions as the original STERIS stock option.

6. This option will become exercisable as follows: 2,000 on May 28, 2016; 2,000 on May 28, 2017; 2,000 on May 28, 2018 and 2,000 on May 28, 2019. This option was received in the Merger in exchange for an option to purchase 8,000 STERIS common shares for $67.98 per share, subject to the same terms and conditions as the original STERIS stock option.

Remarks:

	/s/ Dennis P. Patton, Authorized Representative under Power of Attorney	11/02/2015
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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