| Data | Hora | Fonte | Título | Código | Companhia |
| 19/07/2018 | 17:46 | Edgar (US Regulatory) | Termination of Registration of a Class of Security Under Section 12(b) (15-12b) | NYSE:OA | Orbital Atk, Inc. (delisted) |
| 29/06/2018 | 17:59 | Edgar (US Regulatory) | Amended Annual Report of Employee Stock Plans (11-k/a) | NYSE:OA | Orbital Atk, Inc. (delisted) |
| 26/06/2018 | 17:46 | Edgar (US Regulatory) | Annual Report of Employee Stock Plans (11-k) | NYSE:OA | Orbital Atk, Inc. (delisted) |
| 08/06/2018 | 16:54 | Edgar (US Regulatory) | Statement of Changes in Beneficial Ownership (4) | NYSE:OA | Orbital Atk, Inc. (delisted) |
| 08/06/2018 | 14:35 | Edgar (US Regulatory) | Amended Statement of Ownership (sc 13g/a) | NYSE:OA | Orbital Atk, Inc. (delisted) |
| 07/06/2018 | 13:11 | Edgar (US Regulatory) | (25-NSE) | NYSE:OA | Orbital Atk, Inc. (delisted) |
| 07/06/2018 | 07:04 | Edgar (US Regulatory) | Post-effective Amendment to an S-8 Filing (s-8 Pos) | NYSE:OA | Orbital Atk, Inc. (delisted) |
| 07/06/2018 | 07:04 | Edgar (US Regulatory) | Current Report Filing (8-k) | NYSE:OA | Orbital Atk, Inc. (delisted) |
| 06/06/2018 | 18:49 | PR Newswire (US) | Ollie's Bargain Outlet Holdings Set to Join S&P MidCap 400; Berkshire Hills Bancorp Set to Join S&P SmallCap 600 | NYSE:OA | Orbital Atk, Inc. (delisted) |
| 31/05/2018 | 18:02 | Edgar (US Regulatory) | Specialized Disclosure Report (sd) | NYSE:OA | Orbital Atk, Inc. (delisted) |
| 25/05/2018 | 16:17 | Business Wire | Orbital ATK to Build Two Additional U.S. Weather Satellites for NOAA | NYSE:OA | Orbital Atk, Inc. (delisted) |
| 24/05/2018 | 09:35 | Business Wire | Orbital ATK’s Cygnus Spacecraft Successfully Completes Rendezvous and Berthing with International Space Station | NYSE:OA | Orbital Atk, Inc. (delisted) |
| 22/05/2018 | 16:15 | Business Wire | Orbital ATK Congratulates Winner of 2018 Marine Corps Aviation Association Award | NYSE:OA | Orbital Atk, Inc. (delisted) |
| 21/05/2018 | 07:50 | Business Wire | Orbital ATK Successfully Launches Ninth Cargo Delivery Mission to the International Space Station for NASA | NYSE:OA | Orbital Atk, Inc. (delisted) |
| 20/05/2018 | 11:45 | Business Wire | Orbital ATK Set to Launch Ninth Cargo Resupply Mission to the International Space Station | NYSE:OA | Orbital Atk, Inc. (delisted) |
| 09/05/2018 | 09:30 | Business Wire | Orbital ATK and IMI Systems Partner to Jointly Introduce New Weapons Technology for the U.S. | NYSE:OA | Orbital Atk, Inc. (delisted) |
| 03/05/2018 | 18:19 | Edgar (US Regulatory) | Quarterly Report (10-q) | NYSE:OA | Orbital Atk, Inc. (delisted) |
| 03/05/2018 | 07:00 | Business Wire | Orbital ATK Announces First Quarter 2018 Financial Results | NYSE:OA | Orbital Atk, Inc. (delisted) |
| 02/05/2018 | 09:30 | Business Wire | Orbital ATK’s Board of Directors Declares Quarterly Cash Dividend | NYSE:OA | Orbital Atk, Inc. (delisted) |
| 30/04/2018 | 09:30 | Business Wire | Orbital ATK Produces 25,000th Precision Guidance Kit | NYSE:OA | Orbital Atk, Inc. (delisted) |
| 27/04/2018 | 09:30 | Business Wire | Orbital ATK Successfully Tests Largest Rocket Motor of Its Class at Temperature Extremes for Tactical Missiles | NYSE:OA | Orbital Atk, Inc. (delisted) |
| 26/04/2018 | 11:42 | Business Wire | Orbital ATK to Report First Quarter 2018 Financial Results on May 3 | NYSE:OA | Orbital Atk, Inc. (delisted) |
| 26/04/2018 | 09:30 | Business Wire | Orbital ATK Successfully Demonstrates New Advanced Missile Warhead for High Temperatures and Velocities | NYSE:OA | Orbital Atk, Inc. (delisted) |
| 18/04/2018 | 21:21 | Business Wire | Orbital ATK-Built Planet-Hunting Satellite Successfully Deployed For NASA | NYSE:OA | Orbital Atk, Inc. (delisted) |
| 16/04/2018 | 21:21 | Business Wire | Orbital ATK Reinforces Commitment to U.S. Air Force EELV Program with OmegA Rocket | NYSE:OA | Orbital Atk, Inc. (delisted) |
| 15/04/2018 | 10:17 | Business Wire | Orbital ATK-Designed Satellites Demonstrate Affordable Access to Space for U.S. Air Force | NYSE:OA | Orbital Atk, Inc. (delisted) |
| 10/04/2018 | 09:00 | Business Wire | Orbital ATK Receives $115 Million in New Production Orders from the U.S. Army for Small-Caliber Ammunition | NYSE:OA | Orbital Atk, Inc. (delisted) |
| 06/04/2018 | 09:16 | Business Wire | Orbital ATK-Built HYLAS 4 Commercial Communications Satellite Successfully Launched | NYSE:OA | Orbital Atk, Inc. (delisted) |
| 29/03/2018 | 14:00 | Business Wire | Orbital ATK and Arizona Governor Ducey Announce Expansion of Mesa, Arizona, Operations | NYSE:OA | Orbital Atk, Inc. (delisted) |
| 15/03/2018 | 10:15 | Business Wire | Orbital ATK Achieves Significant Development Milestone for NASA’s Landsat 9 Satellite | NYSE:OA | Orbital Atk, Inc. (delisted) |