UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 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 2, 2009 ZOLTEK COMPANIES, INC. (Exact name of registrant as specified in its charter) MISSOURI 0-20600 43-1311101 (State or other (Commission File (I.R.S. Employer jurisdiction of Number) Identification organization) Number) 3101 MCKELVEY ROAD ST. LOUIS, MISSOURI 63044 (Address of principal executive offices) (Zip Code) (314) 291-5110 (Registrant's telephone number, including area code) NOT APPLICABLE (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: [ ] 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)) ITEM 5.02 DEPARTURE OF DIRECTORS OR PRINCIPAL OFFICERS; ELECTION OF DIRECTORS; APPOINTMENT OF PRINCIPAL OFFICERS. (b) On May 7, 2009, the Registrant announced that James W. Betts had retired as a director of the Registrant, effective as of May 2, 2009. (c) On May 7, 2009, the Board of Directors of the Registrant appointed Pedro Reynoso as a director of the Registrant effective May 2, 2009. Mr. Reynoso was appointed as a Class II director to fill the vacancy resulting from the retirement of Mr. Betts, and Mr. Reynoso will serve a term expiring at the Registrant's 2010 annual meeting of shareholders. A copy of a press release issued by the Registrant on May 7, 2009 is filed as Exhibit 99.1 to this Current Report on Form 8-K. ITEM 8.01 OTHER EVENTS. On May 7, 2009, the Registrant issued a press release announcing that Mr. James W. Betts had retired as a director of the Company and that Mr. Pedro Reynoso had been appointed as a director of the Registration effective as of May 2, 2009. A copy of a press release issued by the Registrant on May 7, 2009 is filed as Exhibit 99.1 to this Current Report on Form 8-K. ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS. See Exhibit Index. 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 thereunto duly authorized. Dated: May 7, 2009 ZOLTEK COMPANIES, INC. By /s/ Zsolt Rumy ------------------------------------ Zsolt Rumy Chief Executive Officer EXHIBIT INDEX Exhibit Number Description ------ ----------- 99.1 Press Release, dated May 7, 2009