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 *
POIRIER RICHARD
  2. Issuer Name and Ticker or Trading Symbol
KRATOS DEFENSE & SECURITY SOLUTIONS, INC. [KTOS]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
President, Elec. Products Div.
(Last)
(First)
(Middle)
4820 EASTGATE MALL
3. Date of Earliest Transaction (Month/Day/Year)
01/01/2015
(Street)

SAN DIEGO, CA 92121
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)
Code V Amount (A) or (D) Price
Common Stock 01/03/2015   M   2,000 (1) A $ 0 59,608 (4) D  

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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 V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Restricted Stock Unit (3) 01/03/2015   M     2,000   (1)   (1) Common Stock 2,000 $ 0 18,000 D  
Restricted Stock Unit (3) 01/01/2015   A   45,000     (2)   (2) Common Stock 45,000 $ 0 45,000 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
POIRIER RICHARD
4820 EASTGATE MALL
SAN DIEGO, CA 92121
      President, Elec. Products Div.  

Signatures

 Richard Poirier, by Eva Yee, Attorney-In-Fact   01/05/2015
**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) Common Stock issued to reporting person pursuant to settlement of vested shares under RSU granted on January 3, 2014, where 20,000 RSUs were granted, 10,000 of which vest 100% on the five year anniversary of the date of grant, unless earlier vested pursuant to the terms of the RSU agreement, and 10,000 of which vest 20% upon each 10% increase in the closing market price of the Issuer's common stock measured from the RSU grant date through the 10-year anniversary, provided that the first vesting shall not occur until the first anniversary of the RSU grant date, at which time the percentage of RSUs shall vest based on increases in the closing market price measured from the RSU grant date through the first anniversary.
(2) 22,500 of the RSUs vest 100% on the five year anniversary of the grant date, unless earlier vested or terminated pursuant to the terms of the RSU agreement. The other 22,500 RSUs vest 20% upon each 10% increase in the closing market price of the Issuer's common stock measured from the RSU grant date through the 10-year anniversary of the RSU grant date, unless earlier vested or terminated pursuant to the terms of the RSU agreement.
(3) Each RSU represents a contingent right to receive one share of Issuer's common stock.
(4) Includes 12,458 shares purchased through Issuer's Employee Stock Purchase Plan and 5,650 shares held in the Issuer's 401(k) Plan.

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