Ownership Submission
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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(Print or Type Responses)
1. Name and Address of Reporting Person *
TOKICH MICHAEL J
   2. Issuer Name and Ticker or Trading Symbol
STERIS CORP [STE] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
SVP, CFO & Treasurer
(Last)
(First)
(Middle)
C/O 5960 HEISLEY ROAD		 3. Date of Earliest Transaction (Month/Day/Year)
11/02/2015
(Street)

MENTOR, OH 44060		 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
Common Shares, No Par Value 11/02/2015   D   39,128 (1) D (2) 0 D  
Common Shares, No Par Value 11/02/2015   D   3,069 D (2) 0 I See Footnote Below. (3)

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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
Employee Stock Option (right to buy) $ 27.45 11/02/2015   D     2,000   (4) 11/01/2017 Common Shares, No Par Value 2,000 (4) 0 D  
Employee Stock Option (right to buy) $ 26.41 11/02/2015   D     13,600   (5) 03/14/2018 Common Shares, No Par Value 13,600 (5) 0 D  
Employee Stock Option (right to buy) $ 22.83 11/02/2015   D     12,000   (6) 05/21/2019 Common Shares, No Par Value 12,000 (6) 0 D  
Employee Stock Option (right to buy) $ 31.87 11/02/2015   D     11,000   (7) 05/20/2020 Common Shares, No Par Value 11,000 (7) 0 D  
Employee Stock Option (right to buy) $ 36.09 11/02/2015   D     14,500   (8) 05/31/2021 Common Shares, No Par Value 14,500 (8) 0 D  
Employee Stock Option (right to buy) $ 29.94 11/02/2015   D     20,000   (9) 05/30/2022 Common Shares, No Par Value 20,000 (9) 0 D  
Employee Stock Option (right to buy) $ 45.34 11/02/2015   D     22,000   (10) 05/31/2023 Common Shares, No Par Value 22,000 (10) 0 D  
Employee Stock Option (right to buy) $ 53.52 11/02/2015   D     28,000   (11) 05/30/2024 Common Shares, No Par Value 28,000 (11) 0 D  
Employee Stock Option (right to buy) $ 67.98 11/02/2015   D     20,000   (12) 08/10/2025 Common Shares, No Par Value 20,000 (12) 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
TOKICH MICHAEL J
C/O 5960 HEISLEY ROAD
MENTOR, OH 44060		       SVP, CFO & Treasurer  

Signatures

 /s/ Dennis P. Patton, Authorized Representative under Power of Attorney   11/02/2015
**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) 25,500 of these Common Shares are restricted. The restrictions on these Common Shares lapse as follows: 7,000 on May 31, 2016; 7,000 on May 31, 2017; 4,500 on May 30, 2018; and 7,000 on May 28, 2019.
(2) Represents shares of STERIS Corporation ("STERIS") disposed of pursuant to merger of a wholly-owned subsidiary of STERIS plc ("New STERIS") with and into STERIS, with STERIS surviving the merger as a wholly-owned subsidiary of New STERIS (the "Merger"), in exchange for ordinary shares of New 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) Represents 3,139.323 units of the STERIS Corporation 401(k) Plan STERIS Stock Fund which equals 3,069 Common share equivalents as of October 29, 2015.
(4) This option is fully vested. This option was assumed by New STERIS in the Merger and converted to an option to purchase 2,000 ordinary shares of New STERIS for $27.45 per share, subject to the same terms and conditions that were applicable to the original STERIS option.
(5) This option is fully vested. This option was assumed by New STERIS in the Merger and converted to an option to purchase 13,600 ordinary shares of New STERIS for $26.41 per share, subject to the same terms and conditions that were applicable to the original STERIS option.
(6) This option is fully vested. This option was assumed by New STERIS in the Merger and converted to an option to purchase 12,000 ordinary shares of New STERIS for $22.83 per share, subject to the same terms and conditions that were applicable to the original STERIS option.
(7) This option is fully vested. This option was assumed by New STERIS in the Merger and converted to an option to purchase 11,000 ordinary shares of New STERIS for $31.87 per share, subject to the same terms and conditions that were applicable to the original STERIS option.
(8) This option is fully vested. This option was assumed by New STERIS in the Merger and converted to an option to purchase 14,500 ordinary shares of New STERIS for $36.09 per share, subject to the same terms and conditions that were applicable to the original STERIS option.
(9) This option becomes exercisable as follows: 5,000 on May 30, 2016. This option was assumed by New STERIS in the Merger and converted to an option to purchase 20,000 ordinary shares of New STERIS for $29.94 per share, subject to the same terms and conditions that were applicable to the original STERIS option.
(10) This option becomes exercisable as follows: 5,500 on May 31, 2016, and 5,500 on May 31, 2017. This option was assumed by New STERIS in the Merger and converted to an option to purchase 22,000 ordinary shares of New STERIS for $45.34 per share, subject to the same terms and conditions that were applicable to the original STERIS option.
(11) This option becomes exercisable as follows: 7,000 on May 30, 2016; 7,000 on May 30, 2017 and 7,000 on May 30, 2018. This option was assumed by New STERIS in the Merger and converted to an option to purchase 28,000 ordinary shares of New STERIS for $53.52 per share, subject to the same terms and conditions that were applicable to the original STERIS option.
(12) This option becomes exercisable as follows: 5,000 on May 28, 2016; 5,000 on May 28, 2017; 5,000 on May 28, 2018 and 5,000 on May 28, 2019. This option was assumed by New STERIS in the Merger and converted to an option to purchase 20,000 ordinary shares of New STERIS for $67.98 per share, subject to the same terms and conditions that were applicable to the original STERIS option.

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