| Data | Ora | Fonte | Titolo | Simbolo | Compagnia |
| 21/10/2011 | 17:34 | Edgar (US Regulatory) | Statement of Changes in Beneficial Ownership (4) | NYSE:ARJ | Arch Chemicals |
| 20/10/2011 | 23:31 | Edgar (US Regulatory) | Current report filing (8-K) | NYSE:ARJ | Arch Chemicals |
| 20/10/2011 | 21:17 | GlobeNewswire Inc. | Lonza Completes Acquisition of Arch Chemicals | NYSE:ARJ | Arch Chemicals |
| 20/10/2011 | 14:02 | Edgar (US Regulatory) | Amended Statement of Ownership: Solicitation (SC 14D9/A) | NYSE:ARJ | Arch Chemicals |
| 20/10/2011 | 12:03 | Edgar (US Regulatory) | Amended tender offer statement by Third Party (SC TO-T/A) | NYSE:ARJ | Arch Chemicals |
| 19/10/2011 | 20:50 | Edgar (US Regulatory) | Amended Statement of Beneficial Ownership (SC 13D/A) | NYSE:ARJ | Arch Chemicals |
| 18/10/2011 | 00:18 | PR Newswire (US) | S&P Indices Announces Change to U.S. Index | NYSE:ARJ | Arch Chemicals |
| 17/10/2011 | 15:47 | Dow Jones News | Applications Given Early Antitrust Clearance | NYSE:ARJ | Arch Chemicals |
| 09/09/2011 | 22:51 | Edgar (US Regulatory) | Amended Statement of Ownership (SC 13G/A) | NYSE:ARJ | Arch Chemicals |
| 24/08/2011 | 16:43 | Edgar (US Regulatory) | Amended Current report filing (8-K/A) | NYSE:ARJ | Arch Chemicals |
| 05/08/2011 | 18:45 | Edgar (US Regulatory) | Quarterly Report (10-Q) | NYSE:ARJ | Arch Chemicals |
| 05/08/2011 | 16:06 | Edgar (US Regulatory) | Statement of Beneficial Ownership (SC 13D) | NYSE:ARJ | Arch Chemicals |
| 05/08/2011 | 14:44 | GlobeNewswire Inc. | Arch Chemicals Reports Second Quarter 2011 Earnings | NYSE:ARJ | Arch Chemicals |
| 02/08/2011 | 17:26 | Marketwired | The Law Firm of Levi & Korsinsky, LLP Notifies Shareholders of Claims of Breaches of Fiduciary Duty by the Board of Arch Chem... | NYSE:ARJ | Arch Chemicals |
| 29/07/2011 | 21:03 | PR Newswire (US) | SEC Foregoes Preliminary Injunction in Insider Trading Case and Agrees to Lift Asset Freeze on Defendants' Bank Accounts | NYSE:ARJ | Arch Chemicals |
| 27/07/2011 | 15:23 | GlobeNewswire Inc. | Arch Chemicals, Inc. Conference Call Update | NYSE:ARJ | Arch Chemicals |
| 27/07/2011 | 08:52 | Dow Jones News | Lonza Plans To Broaden Geographic Reach As Franc Hurts | NYSE:ARJ | Arch Chemicals |
| 27/07/2011 | 07:42 | Dow Jones News | Lonza Net Profit Slides On Strong Swiss Franc | NYSE:ARJ | Arch Chemicals |
| 19/07/2011 | 21:05 | Business Wire | The Law Offices of Vincent Wong Announce an Investigation of Arch Chemicals, Inc. | NYSE:ARJ | Arch Chemicals |
| 18/07/2011 | 19:35 | Dow Jones News | UPDATE: Lonza Says US Suit Won't Stop Arch Chemicals Deal | NYSE:ARJ | Arch Chemicals |
| 18/07/2011 | 17:58 | Dow Jones News | Coudree Capital Aware Of SEC Insider Trading Suit | NYSE:ARJ | Arch Chemicals |
| 15/07/2011 | 23:27 | Edgar (US Regulatory) | Statement of Ownership: Solicitation (SC 14D9) | NYSE:ARJ | Arch Chemicals |
| 15/07/2011 | 21:31 | Edgar (US Regulatory) | Tender offer statement by Third Party (SC TO-T) | NYSE:ARJ | Arch Chemicals |
| 15/07/2011 | 20:23 | GlobeNewswire Inc. | Lonza Commences Tender Offer to Acquire All of the Outstanding Shares of Arch Chemicals, Inc. for USD 47.20 Per Share | NYSE:ARJ | Arch Chemicals |
| 14/07/2011 | 18:06 | Business Wire | Law Office of Brodsky & Smith, LLC Announces Investigation of Arch Chemicals, Inc. | NYSE:ARJ | Arch Chemicals |
| 14/07/2011 | 17:28 | Business Wire | Bull & Lifshitz, LLP Announces Investigation of Arch Chemicals, Inc. | NYSE:ARJ | Arch Chemicals |
| 13/07/2011 | 23:27 | Edgar (US Regulatory) | Written communication by the subject company relating to a third party tender offer (SC14D9C) | NYSE:ARJ | Arch Chemicals |
| 13/07/2011 | 23:11 | Edgar (US Regulatory) | Written communication relating to an issuer or third party (SC TO-C) | NYSE:ARJ | Arch Chemicals |
| 12/07/2011 | 16:48 | Business Wire | Ryan & Maniskas, LLP Announces Investigation of Arch Chemicals, Inc. | NYSE:ARJ | Arch Chemicals |
| 12/07/2011 | 11:10 | Zacks | Company News for July 12, 2011 - Corporate Summary | NYSE:ARJ | Arch Chemicals |