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 *
Hannon Jason
  2. Issuer Name and Ticker or Trading Symbol
NUVASIVE INC [NUVA]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
EVP, General Counsel & Sec.
(Last)
(First)
(Middle)
7475 LUSK BLVD
3. Date of Earliest Transaction (Month/Day/Year)
02/01/2015
(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 02/01/2015   A   43,659 A $ 0 (1) 75,899 (2) D  
Common Stock 02/01/2015   F   20,746 (3) D $ 46.32 55,153 (2) D  
Common Stock 02/01/2015   A   6,337 A $ 0 (4) 61,490 (2) D  
Common Stock 02/01/2015   F   3,306 (5) D $ 46.32 58,184 (2) D  
Common Stock 02/01/2015   A   8,316 A $ 0 (6) 66,500 (7) D  
Common Stock 02/01/2015   F   4,339 (7) D $ 46.32 62,161 (2) D  
Common Stock 02/01/2015   A   4,397 A $ 0 (8) 66,558 (2) D  
Common Stock 02/01/2015   F   2,294 (9) D $ 46.32 64,264 (2) D  

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

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Hannon Jason
7475 LUSK BLVD
SAN DIEGO, CA 92121
      EVP, General Counsel & Sec.  

Signatures

 /s/ Jason M. Hannon   02/03/2015
**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) Settlement of the remaining one-half of the Performance Restricted Stock Units (PRSUs) granted on March 1, 2013. The performance criteria for such PRSUs was confirmed by the Issuer's Compensation Committee on January 24, 2014.
(2) Shares directly held by the Reporting Person. The Reporting Person also holds conditional rights to receive or purchase (as appropriate) shares pursuant to previously disclosed Company equity awards.
(3) Shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting/settlement of PRSUs dated March 1, 2013.
(4) Settlement of vested shares under Restricted Stock Unit grant dated February 13, 2012.
(5) Shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting/settlement of Restricted Stock Unit awards dated February 13, 2012.
(6) Settlement of vested shares under Restricted Stock Unit grant dated February 26, 2013.
(7) Shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting/settlement of Restricted Stock Unit awards dated February 26, 2013.
(8) Settlement of vested shares under Restricted Stock Unit grant dated February 19, 2014.
(9) Shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting/settlement of Restricted Stock Unit awards dated February 19, 2014.

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