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 *
CARANO BANDEL L
  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)
__X__ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
C/O OAK INVESTMENT PARTNERS, 901 MAIN AVENUE, SUITE 600
3. Date of Earliest Transaction (Month/Day/Year)
05/23/2012
(Street)

NORWALK, CT 06851
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ 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

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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
Director Option (Right to Buy) $ 5.12 05/23/2012   A   2,540 (1)   05/23/2012(2) 05/23/2022 Common Stock 2,540 (3) 31,470 D (4)  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
CARANO BANDEL L
C/O OAK INVESTMENT PARTNERS
901 MAIN AVENUE, SUITE 600
NORWALK, CT 06851
  X   X    
Oak Investment Partners XIII, Limited Partnership
901 MAIN AVENUE
SUITE 600
NORWALK, CT 06851
    X    
OAK INVESTMENT PARTNERS X LTD PARTNERSHIP
901 MAIN AVENUE
SUITE 600
NORWALK, CT 06851
    X    
OAK X AFFILIATES FUND LP
901 MAIN AVENUE
SUITE 600
NORWALK, CT 06851
    X    
OAK INVESTMENT PARTNERS IX L P
901 MAIN AVENUE
SUITE 600
NORWALK, CT 06851
    X    
OAK IX AFFILIATES FUND LP
901 MAIN AVENUE
SUITE 600
NORWALK, CT 06851
    X    
OAK IX AFFILIATES FUND A LP
901 MAIN AVENUE
SUITE 600
NORWALK, CT 06851
    X    

Signatures

 Bandel L. Carano   05/25/2012
**Signature of Reporting Person Date

 /s/ Bandel L. Carano, Managing Member of Oak Associates XIII, LLC, general partner of Oak Investment Partners XIII, Limited Partnership   05/25/2012
**Signature of Reporting Person Date

 /s/ Bandel L. Carano, Managing Member of Oak Associates X, LLC, general partner of Oak Investment Partners X, Limited Partnership   05/25/2012
**Signature of Reporting Person Date

 /s/ Bandel L. Carano, Managing Member of Oak X Affiliates, LLC, general partner of Oak X Affiliates Fund, Limited Partnership   05/25/2012
**Signature of Reporting Person Date

 /s/ Bandel L. Carano, Managing Member of Oak Associates IX, LLC, general partner of Oak Investment Partners IX, Limited Partnership   05/25/2012
**Signature of Reporting Person Date

 /s/ Bandel L. Carano, Managing Member of Oak IX Affiliates, LLC, general partner of Oak IX Affiliates Fund, Limited Partnership   05/25/2012
**Signature of Reporting Person Date

 /s/ Bandel L. Carano, Managing Member of Oak IX Affiliates, LLC, general partner of Oak IX Affiliates Fund A, Limited Partnership   05/25/2012
**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 options received in lieu of cash fees from Mr. Carano's service on the Issuer's Board of Directors as approved by the Board of Directors. The grant is effective May 23, 2012.
(2) The Director Options became fully exerciseable on the date of the grant.
(3) Not applicable
(4) Includes Director Option to purchase 2500 shares of Common Stock, which is held by Mr. Carano on behalf of Oak Investment Partners X, Limited Partnership ("Oak X"); and Director Option to purchase 40 shares of Common Stock, which is held by Mr. Carano on behalf of Oak X Affiliates Fund, Limited Partnership ("Oak X Affiliates"). Mr. Carano is a Managing Member of Oak Associates X, L.L.C., the General Partner of Oak X, L.P. and a Managing Member of Oak X Affiliates, L.L.C., the General Partner of Oak X Affiliates, L.P.
 
Remarks:
Bandel L. Carano is a Director of Kratos Defense & Security Solutions, Inc. Mr. Carano is a Managing Member of Oak Associates XIII, L.L.C., the General Partner of Oak Investment Partners XIII, L.P. ("Oak XIII"); Oak Associates X, L.L.C., the General Partner of Oak X and a Managing Member of Oak X Affiliates, L.L.C., the General Partner of Oak X Affiliates; Oak Associates IX, LLC, the General Partner of Oak Investment Partners IX, L.P. ("Oak IX"); and Oak IX Affiliates, LLC, the General Partners of each Oak IX Affiliates Fund, L.P. ("Oak IX Affiliates") and Oak IX Affiliates Fund A, L.P. ("Oak Affiliates A").

This Form 4 is being filed by Bandel L. Carano, Oak XIII, Oak X, Oak X Affiliates, Oak IX, Oak IX Affiliates and Oak IX Affiliates A, the "Reporting Persons").  Each Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of any securities (except to the extent of such Reporting Person's pecuniary interest in such securities) other than any securities reported herein as being directly owned by such Reporting Person, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of any such securities for purposes of Section 16 or for any other purpose.

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