| 日付 | 受信時刻 | ニュースソース | 見出し | コード | 企業名 |
| 2012/05/18 | 19 : 18 | Edgar (US Regulatory) | Post-Effective Amendment to an S-8 filing (S-8 POS) | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 2012/05/18 | 06 : 05 | Edgar (US Regulatory) | Current report filing (8-K) | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 2012/05/18 | 06 : 00 | Edgar (US Regulatory) | (25-NSE) | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 2012/05/18 | 05 : 55 | Edgar (US Regulatory) | Statement of Changes in Beneficial Ownership (4) | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 2012/05/18 | 05 : 53 | Edgar (US Regulatory) | Statement of Changes in Beneficial Ownership (4) | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 2012/05/18 | 05 : 51 | Edgar (US Regulatory) | Statement of Changes in Beneficial Ownership (4) | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 2012/05/18 | 05 : 48 | Edgar (US Regulatory) | Statement of Changes in Beneficial Ownership (4) | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 2012/05/18 | 05 : 42 | Edgar (US Regulatory) | Statement of Changes in Beneficial Ownership (4) | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 2012/05/18 | 05 : 40 | Edgar (US Regulatory) | Statement of Changes in Beneficial Ownership (4) | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 2012/05/18 | 05 : 38 | Edgar (US Regulatory) | Statement of Changes in Beneficial Ownership (4) | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 2012/05/18 | 01 : 50 | Business Wire | Archipelago Learning Closes Merger Agreement with PLATO® Learning | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 2012/05/17 | 02 : 49 | Edgar (US Regulatory) | Current report filing (8-K) | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 2012/05/17 | 02 : 45 | Business Wire | Archipelago Learning Shareholders Approve Merger Agreement with PLATO® Learning | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 2012/05/14 | 19 : 05 | Edgar (US Regulatory) | Current report filing (8-K) | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 2012/05/11 | 02 : 07 | Edgar (US Regulatory) | Quarterly Report (10-Q) | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 2012/05/09 | 05 : 10 | Edgar (US Regulatory) | Current report filing (8-K) | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 2012/05/09 | 05 : 05 | Business Wire | Archipelago Learning Announces Financial Results for First Quarter 2012 | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 2012/05/01 | 06 : 30 | Edgar (US Regulatory) | Amended Annual Report (10-K/A) | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 2012/04/27 | 05 : 05 | Business Wire | Archipelago Learning Announces First Quarter 2012 Earnings Release Date | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 2012/04/21 | 04 : 45 | Edgar (US Regulatory) | Additional Proxy Soliciting Materials (definitive) (DEFA14A) | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 2012/04/14 | 05 : 02 | Edgar (US Regulatory) | Proxy Statement - Merger or Acquistion (definitive) (DEFM14A) | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 2012/04/03 | 02 : 04 | Business Wire | Rigrodsky & Long, P.A. Announces Investigation of Archipelago Learning, Inc. Takeover | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 2012/03/31 | 05 : 13 | Edgar (US Regulatory) | Amended Statement of Ownership (SC 13G/A) | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 2012/03/31 | 05 : 10 | Edgar (US Regulatory) | Amended Statement of Ownership (SC 13G/A) | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 2012/03/27 | 19 : 13 | Edgar (US Regulatory) | Proxy Statement - Merger or Acquistion (preliminary) (PREM14A) | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 2012/03/27 | 05 : 34 | Edgar (US Regulatory) | Additional Proxy Soliciting Materials (definitive) (DEFA14A) | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 2012/03/27 | 00 : 27 | Business Wire | Archipelago Learning's Study Island Introduces Teacher Toolkit to Facilitate Resource Access for Educators | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 2012/03/22 | 03 : 32 | Business Wire | Faruqi & Faruqi, LLP Answers Questions Regarding the Acquisition of Archipelago Learning, Inc. | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 2012/03/16 | 02 : 05 | Edgar (US Regulatory) | Annual Report (10-K) | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |
| 2012/03/13 | 05 : 36 | Marketwired | Shareholder Class Action Lawsuit Filed Seeking More Money, Information for Archipelago Learning Stockholders, Announces Goldf... | NASDAQ:ARCL | Archipelago Learning, Inc. (MM) |