<Page> 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): May 8, 2006 PRO-FAC COOPERATIVE, INC. - -------------------------------------------------------------------------------- (Exact Name of Registrant as Specified in Its Charter) New York - -------------------------------------------------------------------------------- (State or Other Jurisdiction of Incorporation) 0-20539 16-6036816 - -------------------------------------------------------------------------------- (Commission File Number) (IRS Employer Identification No.) 350 Linden Oaks, P.O. Box 30682, Rochester, New York 14603-0682 - -------------------------------------------------------------------------------- (Address of Principal Executive Offices) (Zip Code) (585) 218-4210 - -------------------------------------------------------------------------------- (Registrant's Telephone Number, Including Area Code) - -------------------------------------------------------------------------------- (Former Name or Former Address, if Changed Since Last Report) 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 (see General Instruction A.2. below): |_| Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) |_| Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) |_| Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) |_| Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Page 1 of 3 <Page> Section 2 - Financial Information Item 2.02. Results of Operations and Financial Condition On May 8, 2006, Pro-Fac Cooperative, Inc. (the "Cooperative") issued a press release to report its financial results for the Cooperative's fiscal quarter ended March 25, 2006. A copy of the press release is furnished by this Current Report on Form 8-K and is attached to this Report as Exhibit 99.1. Section 9 - Financial Statements and Exhibits Item 9.01. Financial Statements and Exhibits. (d) Exhibits. Exhibit Press Release issued by Pro-Fac Cooperative, Inc. on May 99.1 8, 2006 announcing its financial results for the fiscal quarter ended March 25, 2006. Page 2 of 3 <Page> SIGNATURES 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 hereunto duly authorized. PRO-FAC COOPERATIVE, INC. May 8, 2006 By: /s/ Stephen R. Wright ------------------------ Stephen R. Wright, Chief Executive Officer, Chief Financial Officer, General Manager and Secretary (Principal Executive Officer and Principal Financial Officer) Page 3 of 3