Edgar Filing: ORBITAL SCIENCES CORP /DE/

Ownership Submission

FORM 4

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person ^*

THOMPSON JAMES R JR

2. Issuer Name and Ticker or Trading Symbol
ORBITAL SCIENCES CORP /DE/ [ORB]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

__X__ Director	_____ 10% Owner
_____ Officer (give title below)	_____ Other (specify below)

(Last)

(First)

(Middle)

C/O ORBITAL SCIENCES CORPORATION, 45101 WARP DRIVE

3. Date of Earliest Transaction (Month/Day/Year)
02/09/2015

(Street)

DULLES, VA 20166

4. If Amendment, Date Original Filed(Month/Day/Year)

6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

(City)

(State)

(Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1.Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	02/09/2015		D		281,078	D	⁽¹⁾	0	D
Common Stock	02/09/2015		D		1,385	D	⁽²⁾	0	I	By Spouse

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security
(Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code
(Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date
(Month/Day/Year)

7. Title and Amount of Underlying Securities
(Instr. 3 and 4)

8. Price of Derivative Security
(Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)

11. Nature of Indirect Beneficial Ownership
(Instr. 4)

Code

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
THOMPSON JAMES R JR C/O ORBITAL SCIENCES CORPORATION 45101 WARP DRIVE DULLES, VA 20166	X

Signatures

/s/ James S. Black II, Attorney-in-Fact		02/11/2015
^**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Represents 277,748 shares of common stock disposed of pursuant to the Transaction Agreement among Alliant Techsystems, Inc. (renamed Orbital ATK, Inc.) ("Orbital ATK"), Vista Merger Sub Inc., Vista Outdoor Inc. (formerly known as Vista SpinCo Inc.) and Orbital Sciences Corporation ("Orbital") (the "Transaction Agreement"), pursuant to which each share of Orbital common stock was converted into 0.449 shares of Orbital ATK common stock and cash payable in lieu of fractional shares and 3,330 Restricted Stock Units disposed of pursuant to the Transaction Agreement whereby each Restricted Stock Unit of Orbital was converted into 0.449 Restricted Stock Units of Orbital ATK with the same vesting schedule, resulting in 124,708 shares of Orbital ATK common stock and 1,495 Restricted Stock Units of Orbital ATK, each at a market value of $63.94 based on the opening price per share of Orbital ATK common stock on the first trading day following the Merger.
(2)	Represents 1,385 shares of common stock disposed of pursuant to the Transaction Agreement, pursuant to which each share of Orbital common stock was converted into 0.449 shares of Orbital ATK common stock and cash payable in lieu of fractional shares of Orbital ATK common stock, resulting in 621 shares of Orbital ATK common stock at market value of $63.94 per share based on the opening price per share of Orbital ATK common stock on the first day of trading following the Merger.

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