| Data | Ora | Fonte | Titolo | Simbolo | Compagnia |
| 05/02/2015 | 15:35 | Edgar (US Regulatory) | Amended Statement of Ownership (sc 13g/a) | NASDAQ:ZOLT | Zoltek Companies, Inc. (MM) |
| 02/04/2014 | 17:40 | Edgar (US Regulatory) | Statement of Changes in Beneficial Ownership (4) | NASDAQ:ZOLT | Zoltek Companies, Inc. (MM) |
| 10/03/2014 | 16:18 | Edgar (US Regulatory) | Termination of Registration of a Class of Security Under Section 12(g) (15-12g) | NASDAQ:ZOLT | Zoltek Companies, Inc. (MM) |
| 05/03/2014 | 21:20 | Edgar (US Regulatory) | Amended Statement of Beneficial Ownership (sc 13d/a) | NASDAQ:ZOLT | Zoltek Companies, Inc. (MM) |
| 28/02/2014 | 16:29 | Edgar (US Regulatory) | (25-NSE) | NASDAQ:ZOLT | Zoltek Companies, Inc. (MM) |
| 28/02/2014 | 14:47 | Edgar (US Regulatory) | Post-effective Amendment to Registration Statement (pos Am) | NASDAQ:ZOLT | Zoltek Companies, Inc. (MM) |
| 28/02/2014 | 14:31 | Edgar (US Regulatory) | Current Report Filing (8-k) | NASDAQ:ZOLT | Zoltek Companies, Inc. (MM) |
| 28/02/2014 | 14:28 | GlobeNewswire | Zoltek Announces Closing Of The Merger With Toray Industries, Inc. | NASDAQ:ZOLT | Zoltek Companies, Inc. (MM) |
| 12/02/2014 | 19:12 | Edgar (US Regulatory) | Statement of Ownership (sc 13g) | NASDAQ:ZOLT | Zoltek Companies, Inc. (MM) |
| 10/02/2014 | 22:10 | GlobeNewswire | Zoltek Reports First Quarter Results | NASDAQ:ZOLT | Zoltek Companies, Inc. (MM) |
| 10/02/2014 | 22:06 | Edgar (US Regulatory) | Quarterly Report (10-q) | NASDAQ:ZOLT | Zoltek Companies, Inc. (MM) |
| 17/12/2013 | 00:20 | GlobeNewswire | Zoltek Reports Fourth Quarter/Fiscal Year Results | NASDAQ:ZOLT | Zoltek Companies, Inc. (MM) |
| 15/11/2013 | 15:18 | Dow Jones News | OZ Management LP 3Q 13F: Largest Eliminations | NASDAQ:ZOLT | Zoltek Companies, Inc. (MM) |
| 14/11/2013 | 13:21 | Dow Jones News | GAMCO Asset Management Inc. 3Q 13F: Largest Purchases | NASDAQ:ZOLT | Zoltek Companies, Inc. (MM) |
| 14/11/2013 | 13:21 | Dow Jones News | GAMCO Asset Management Inc. 3Q 13F: Largest -2- | NASDAQ:ZOLT | Zoltek Companies, Inc. (MM) |
| 29/10/2013 | 11:03 | Edgar (US Regulatory) | Proxy Statement - Merger or Acquistion (preliminary) (prem14a) | NASDAQ:ZOLT | Zoltek Companies, Inc. (MM) |
| 09/10/2013 | 20:14 | PR Newswire (US) | Lifshitz Law Firm Announces Investigation of Active Network, BioScrip, Inc., Edgen Group Inc., Flow International Corporation... | NASDAQ:ZOLT | Zoltek Companies, Inc. (MM) |
| 07/10/2013 | 23:19 | Edgar (US Regulatory) | Statement of Beneficial Ownership (sc 13d) | NASDAQ:ZOLT | Zoltek Companies, Inc. (MM) |
| 04/10/2013 | 17:58 | PR Newswire (US) | Pittsburgh Law Office of Alfred G. Yates Jr., P.C. Files Class Action Lawsuit On Behalf of Investors of ECOtality (ECTY) and ... | NASDAQ:ZOLT | Zoltek Companies, Inc. (MM) |
| 04/10/2013 | 01:32 | Business Wire | INVESTOR ALERT: The Law Offices of Vincent Wong Investigates the Sale of Zoltek Companies, Inc. to Toray Industries, Inc. -- ... | NASDAQ:ZOLT | Zoltek Companies, Inc. (MM) |
| 04/10/2013 | 00:05 | Business Wire | SHAREHOLDER ALERT: Rigrodsky & Long, P.A. Announces Investigation Of Zoltek Companies, Inc. Buyout | NASDAQ:ZOLT | Zoltek Companies, Inc. (MM) |
| 03/10/2013 | 22:21 | PR Newswire (US) | Morgan & Morgan Announces the Investigation of Zoltek Companies Inc. ZOLT | NASDAQ:ZOLT | Zoltek Companies, Inc. (MM) |
| 02/10/2013 | 17:46 | PR Newswire (US) | SHAREHOLDER ALERT: Law Office of Brodsky & Smith, LLC Announces Investigation of Zoltek Companies, Inc. - ZOLT | NASDAQ:ZOLT | Zoltek Companies, Inc. (MM) |
| 01/10/2013 | 18:13 | PR Newswire (US) | SHAREHOLDER ALERT: Levi & Korsinsky, LLP Announces Investigation into Possible Breaches of Fiduciary Duty by Board of Zoltek ... | NASDAQ:ZOLT | Zoltek Companies, Inc. (MM) |
| 01/10/2013 | 17:13 | Business Wire | Attention ZOLT Shareholders: The Proposed Buyout of Zoltek Companies, Inc By Toray Industries, Inc Under Investigation By The... | NASDAQ:ZOLT | Zoltek Companies, Inc. (MM) |
| 01/10/2013 | 15:30 | PR Newswire (US) | Ryan & Maniskas, LLP Announces Investigation of Zoltek Companies Inc. | NASDAQ:ZOLT | Zoltek Companies, Inc. (MM) |
| 01/10/2013 | 00:32 | PR Newswire (US) | Acquisition of Zoltek Companies, Inc. by Toray Industries, Inc. May Not Be in the Best Interests of Zoltek Companies, Inc. Sh... | NASDAQ:ZOLT | Zoltek Companies, Inc. (MM) |
| 28/09/2013 | 04:15 | PR Newswire (US) | Harwood Feffer LLP Announces Investigation of Zoltek Companies Inc. | NASDAQ:ZOLT | Zoltek Companies, Inc. (MM) |
| 28/09/2013 | 00:03 | PR Newswire (US) | SHAREHOLDER ALERT: Pomerantz Law Firm Investigates Claims That the Merger May Not Be in the Best Interest of Investors of Zol... | NASDAQ:ZOLT | Zoltek Companies, Inc. (MM) |
| 27/09/2013 | 22:04 | Business Wire | Law Firm Kirby McInerney LLP Investigating Potential Claims on Behalf of Zoltek Companies Inc. Stockholders | NASDAQ:ZOLT | Zoltek Companies, Inc. (MM) |