| Date Filed | Type | Description |
| 07/19/2018 |
15-12B
| Form 15-12B - Securities registration termination [Section 12(b)]: |
| 07/19/2018 |
15-12B
| Form 15-12B - Securities registration termination [Section 12(b)]: |
| 06/29/2018 |
11-K/A
| Form 11-K/A - Annual report of employee stock purchase, savings and similar plans: [Amend] |
| 06/26/2018 |
11-K
| Form 11-K - Annual report of employee stock purchase, savings and similar plans: |
| 06/08/2018 |
SC 13G/A
| BlackRock Inc. reports a 10% stake in ORBITAL ATK INC |
| 06/07/2018 |
25-NSE
| Form 25-NSE - Notification filed by national security exchange to report the removal from listing and registration of matured, redeemed or retired securities: |
| 05/31/2018 |
SD
| Form SD - |
| 05/03/2018 |
10-Q
| Quarterly Report for the period ended April 1, 2018 |
| 05/03/2018 |
BW
| Orbital ATK Announces First Quarter 2018 Financial Results |
| 04/26/2018 |
BW
| Orbital ATK to Report First Quarter 2018 Financial Results on May 3 |
| 04/17/2018 |
GN
| Detailed Research: Economic Perspectives on Sleep Number, Gazit-Globe, Varonis, First Connecticut, Web.com Group, and Orbital ATK — What Drives Growth in Today's Competitive Landscape |
| 02/22/2018 |
BW
| Orbital ATK Announces Fourth Quarter and Full Year 2017 Financial Results |
| 02/21/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 02/13/2018 |
SC 13G
| Form SC 13G - Statement of acquisition of beneficial ownership by individuals: |
| 02/12/2018 |
GN
| Northrop Grumman Acquisition of Orbital ATK Approved by European Commission |
| 02/12/2018 |
BW
| Orbital ATK to Report Fourth Quarter 2017 Financial Results on February 22 |
| 02/09/2018 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 02/08/2018 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 02/06/2018 |
5
| Kadish Ronald T (Director) has filed a Form 5 on ORBITAL ATK, INC. |
| 01/23/2018 |
SC 13G/A
| BlackRock Inc. reports a 9.7% stake in ORBITAL ATK INC |
| 12/06/2017 |
GN
| Northrop Grumman Receives Second Request from FTC |
| 11/29/2017 |
8-K
| Submission of Matters to a Vote of Security Holders, Other Events, Financial Statements and Exhibits |
| 11/29/2017 |
GN
| Orbital ATK Shareholders Vote to Approve Acquisition by Northrop Grumman |
| 11/20/2017 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material: |
| 11/06/2017 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material: |
| 11/02/2017 |
10-Q
| Quarterly Report for the period ended October 1, 2017 |
| 11/02/2017 |
BW
| Orbital ATK Announces Third Quarter 2017 Financial Results |
| 10/20/2017 |
PRER14A
| Form PRER14A - Preliminary Proxy Soliciting materials: |
| 10/20/2017 |
BW
| Orbital ATK to Report Third Quarter 2017 Financial Results on November 2 |
| 10/13/2017 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material: |
| 10/02/2017 |
PREM14A
| Form PREM14A - Preliminary proxy statements relating to merger or acquisition: |
| 09/18/2017 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material: |
| 09/18/2017 |
8-K
| Quarterly results |
| 09/18/2017 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material: |
|