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* Breeden Richard C (Last) (First) (Middle) C/O BREEDEN CAPITAL MANAGEMENT LLC 100 NORTHFIELD STREET (Street) GREENWICH CT 06830 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol STERIS CORP [ STE ]	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) 07/31/2009
	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
Common Shares, No Par Value	07/31/2009		A		1,335(1)	A	$28.08	4,929(2)	D
Common Shares, No Par Value	07/31/2009		A		1,335(3)	A	$0	6,264(4)	D
Common Shares, No Par Value								5,067,321	I	See footnotes(5)(6)

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
Option to Purchase Common Shares	$28.08	07/31/2009		A		3,609(7)		01/31/2010	07/31/2019	Common Shares, No Par Value	3,609	$0	6,353(8)	D

Explanation of Responses:

1. Pursuant to the governing documents of Breeden Partners L.P., Breeden Partners (California) L.P., Breeden Partners (California) II L.P., Breeden Partners Holdco Ltd. and Breeden Partners (Cayman) Ltd. (the "Funds"), any profits realized with respect to these shares will be apportioned among the Funds.

2. Pursuant to the governing documents of the Funds, any profits realized with respect to these shares will be apportioned among the Funds.

3. These 1,335 Common Shares are restricted. The restrictions on these 1,335 Common Shares lapse on February 1, 2010. Since Sunday, January 31, 2010, is not a trading date on the New York Stock Exchange, the first trading date thereafter, Monday, February 1, 2010, is the date on which these 1,335 restricted shares shall vest and become nonforfeitable. Pursuant to the governing documents of the Funds, any profits realized with respect to these shares will be apportioned among the Funds.

4. Pursuant to the governing documents of the Funds, any profits realized with respect to these shares will be apportioned among the Funds.

5. Richard C. Breeden is the managing member of Breeden Capital Partners LLC, managing member and chairman and chief executive officer of Breeden Capital Management LLC and the Key Principal of Breeden Partners (Cayman) Ltd. Breeden Capital Partners LLC is in turn the general partner of Breeden Partners L.P., Breeden Partners (California) L.P. and Breeden Partners (California) II L.P.

6. Pursuant to Rule 16a-1(a)(2)(ii)(B) of the Securities Exchange Act of 1934, as amended, Mr. Breeden in his capacity as managing member, as well as chairman and chief executive officer of Breeden Capital Management LLC, may be deemed to be the indirect beneficial owner of the Common Shares owned by the Funds; however, he disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

7. Pursuant to the governing documents of the Funds, any profits realized with respect to these stock options will be apportioned among the Funds.

8. Pursuant to the governing documents of the Funds, any profits realized with respect to these stock options will be apportioned among the Funds.

	/s/ Richard C. Breeden	08/04/2009
	** 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.