UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549


FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the
Securities Exchange Act of 1934

Date of Report (Date of earliest event reported):  November 29, 2010


MWI VETERINARY SUPPLY, INC.

(Exact name of registrant as specified in its charter)



Delaware
000-51468
02-0620757
(State or other jurisdiction of
Incorporation)
(Commission File
Number)
(I.R.S. Employer
Identification No.)


651 S. Stratford Drive, Suite 100, Meridian, ID   83642

(Address of principal executive offices)   (Zip Code)

(800) 824-3703

(Registrant’s telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

q  
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

q  
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

q  
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

q  
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))





Item 8.01.  Other Events

MWI Veterinary Supply, Inc. (the “Company”) has been informed that Agri Beef Co. has entered into a pre-arranged stock trading plan to sell a limited number of their shares of the Company’s common stock.  This plan is designed to comply with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended, and the Company’s insider trading policies regarding stock transactions (the “10b5-1 Plan”), and in accordance with Rule 10b5-1 may be amended or terminated at any time.

The 10b5-1 Plan entered into by Agri Beef Co. allows for the sale of a maximum of 100,000 shares of the Company’s common stock through November 30, 2011.






SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

     
MWI VETERINARY SUPPLY, INC.
 
Date:  December 3, 2010
 
 
By:
 
/s/ Mary Patricia B. Thompson
     
Mary Patricia B. Thompson
     
Senior Vice President of Finance and Administration, Chief  Financial Officer