ORBITAL SCIENCES CORP /DE/

Q: Sep 30 2014

Q: Jun 30 2014

Q: Mar 31 2014

FY: Dec 31 2013

Q: Sep 30 2013

Q: Jun 30 2013

Q: Mar 31 2013

FY: Dec 31 2012

Q: Sep 30 2012

Q: Jun 30 2012

Q: Mar 31 2012

FY: Dec 31 2011

Q: Sep 30 2011

Q: Jun 30 2011

Q: Jun 30 2011

Q: Mar 31 2011

FY: Dec 31 2010

Q: Sep 30 2010

Q: Jun 30 2010

Q: Apr 23 2010

1.02,2.01,3.01,3.03,5.01,5.02,5.03,8.01,9.01

5.07,8.01,9.01

8.01

8.01,9.01

8.01,9.01

8.01,9.01

Results of Operations and Financial Condition

2.02,9.01

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Entry into a Material Definitive Agreement

Other Events

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year

Results of Operations and Financial Condition

8.01

Results of Operations and Financial Condition

2.02,9.01

2.02,9.01

5.07

2.02,9.01

2.02,9.01

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Registration statement under Securities Act of 1933

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Registration statement under Securities Act of 1933

Certification of termination of registration of a class of securities (Section 12(b))

Post Effective Amendment to S-8

Notification of removal from listing and/or registration on a national securities exchange

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

No description available

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Definitive Proxy Statement

TimesSquare Capital Management, LLC

LONDON CO OF VIRGINIA

WELLINGTON MANAGEMENT GROUP LLP

THOMPSON JAMES R JR

Culbertson Frank L. Jr.

HANISEE ROBERT M

Larkin Michael E.

OBUCHOWSKI JANICE I

PIERCE GARRETT E

Thompson Hollis M

FISK LENNARD A

GRABE RONALD J/VA

Roche James G

none

WEBSTER SCOTT L

VANGUARD GROUP INC

Chilton Kevin P.

THOMPSON DAVID W

SCHMITT HARRISON H

MCCABE THOMAS E

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Correspondence with the SEC

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Specialized Disclosure Report

Annual Report Scanned (Paper)

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Annual Report Scanned (Paper)

Correspondence with the SEC

Letter from the SEC

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Letter from the SEC

Correspondence with the SEC

Annual Report Scanned (Paper)

Correspondence with the SEC

Correspondence with the SEC

Correspondence with the SEC