| Data | Ora | Fonte | Titolo | Simbolo | Compagnia |
| 09/02/2017 | 16:52 | Edgar (US Regulatory) | Amended Statement of Ownership (sc 13g/a) | NYSE:OMG | |
| 19/11/2015 | 12:02 | Edgar (US Regulatory) | Post-effective Amendment to an S-8 Filing (s-8 Pos) | NYSE:OMG | |
| 09/11/2015 | 15:06 | Edgar (US Regulatory) | Termination of Registration of a Class of Security Under Section 12(b) (15-12b) | NYSE:OMG | |
| 30/10/2015 | 18:33 | Edgar (US Regulatory) | Statement of Changes in Beneficial Ownership (4) | NYSE:OMG | |
| 28/10/2015 | 16:18 | Edgar (US Regulatory) | (25-NSE) | NYSE:OMG | |
| 28/10/2015 | 14:18 | PR Newswire (US) | OM Group, Inc. Announces Completion of Agreement to be Acquired By Apollo Affiliated Funds in Partnership with Platform Speci... | NYSE:OMG | |
| 20/10/2015 | 00:35 | PR Newswire (US) | Motorcar Parts of America Set to Join the S&P SmallCap 600 | NYSE:OMG | |
| 07/10/2015 | 14:20 | Dow Jones News | Platform Specialty Products Lowers Earnings Guidance | NYSE:OMG | |
| 13/08/2015 | 22:19 | Edgar (US Regulatory) | Current Report Filing (8-k) | NYSE:OMG | |
| 10/08/2015 | 20:47 | PR Newswire (US) | OM Group Stockholders Approve Merger Transaction | NYSE:OMG | |
| 04/08/2015 | 23:00 | PR Newswire (US) | OM Group Provides Transaction Update | NYSE:OMG | |
| 30/07/2015 | 14:52 | PR Newswire (US) | Leading Proxy Advisory Firms ISS and Glass Lewis Recommend OM Group Stockholders Vote "FOR" the Merger Transaction with Apoll... | NYSE:OMG | |
| 13/07/2015 | 04:30 | Dow Jones News | Platform, a Chemicals Firm, to Buy U.K. Rival Alent | NYSE:OMG | |
| 10/07/2015 | 22:21 | Edgar (US Regulatory) | Proxy Statement - Merger or Acquistion (definitive) (defm14a) | NYSE:OMG | |
| 06/07/2015 | 15:00 | PR Newswire (US) | OM Group Announces Expiration of the "Go Shop" Period | NYSE:OMG | |
| 02/07/2015 | 01:39 | PR Newswire (US) | Robbins Arroyo LLP: A Class Action Lawsuit Was Filed Against OM Group Inc. (OMG) in Connection with its Proposed Sale to Affi... | NYSE:OMG | |
| 26/06/2015 | 23:32 | Edgar (US Regulatory) | Proxy Statement - Merger or Acquistion (preliminary) (prem14a) | NYSE:OMG | |
| 26/06/2015 | 23:26 | Edgar (US Regulatory) | Amended Statement of Beneficial Ownership (sc 13d/a) | NYSE:OMG | |
| 18/06/2015 | 21:45 | Edgar (US Regulatory) | Initial Statement of Beneficial Ownership (3) | NYSE:OMG | |
| 18/06/2015 | 01:37 | PR Newswire (US) | Robbins Arroyo LLP: OM Group Inc. (OMG) May Have Breached Fiduciary Duties to Shareholders in Connection with its Proposed Sa... | NYSE:OMG | |
| 16/06/2015 | 22:24 | PR Newswire (US) | Lifshitz & Miller Law Firm Announces Investigation of EZCORP, Inc., Frisch's Restaurants, Inc., OM Group, Inc., Pall Corporat... | NYSE:OMG | |
| 16/06/2015 | 11:00 | Business Wire | The Law Offices of Nicholas Koluncich III, LLC Announces an Investigation & Shareholders’ Lawsuit Challenging the Terms of ... | NYSE:OMG | |
| 11/06/2015 | 00:45 | PR Newswire (US) | OM GROUP SHAREHOLDER NOTICE: Faruqi & Faruqi, LLP Announces that a Complaint has been filed against OM Group Inc. (OMG) Over ... | NYSE:OMG | |
| 05/06/2015 | 00:08 | PR Newswire (US) | OMG SHAREHOLDER ALERT: The Law Offices of Vincent Wong Launches an Investigation of the Board of Directors of OM Group Inc. i... | NYSE:OMG | |
| 04/06/2015 | 21:34 | Business Wire | SHAREHOLDER ALERT: Brower Piven Commences An Investigation Into The Proposed Sale Of OM Group, Inc. And Encourages Investors ... | NYSE:OMG | |
| 04/06/2015 | 17:50 | Business Wire | The Proposed Acquisition of OM Group, Inc is under Investigation by The Young Law Center LLC | NYSE:OMG | |
| 04/06/2015 | 01:57 | Business Wire | SHAREHOLDER ALERT: Brodsky & Smith, LLC Announces Investigation of The Board of Directors of OM Group, Inc. | NYSE:OMG | |
| 03/06/2015 | 15:58 | Business Wire | INVESTOR ALERT: Levi & Korsinsky, LLP Notifies Shareholders of OM Group Inc. of Commencement of an Investigation Regarding th... | NYSE:OMG | |
| 03/06/2015 | 01:02 | Business Wire | OM GROUP, INC. SHAREHOLDER ALERT: Rigrodsky & Long, P.A. Announces Investigation Of Buyout | NYSE:OMG | |
| 02/06/2015 | 22:05 | PR Newswire (US) | OM GROUP INVESTOR ALERT BY THE FORMER ATTORNEY GENERAL OF LOUISIANA: Kahn Swick & Foti, LLC Investigates Adequacy of Price an... | NYSE:OMG | |