| 일자 | 시간 | 출처 | 헤드라인 | 심볼 | 기업 |
| 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) |