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
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

Lyle David 		2. Issuer Name and Ticker or Trading Symbol

MAXWELL TECHNOLOGIES INC [ MXWL ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director                      _____ 10% Owner
__ X __ Officer (give title below)      _____ Other (specify below)
Chief Financial Officer
(Last)          (First)          (Middle)

3888 CALLE FORTUNADA 		3. Date of Earliest Transaction (MM/DD/YYYY)

5/11/2015
(Street)

SAN DIEGO, CA 92123
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
6. Individual or Joint/Group Filing (Check Applicable Line)

_ X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3) 		2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3) 		2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. 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 7. Title and Amount of Securities Underlying Derivative Security
(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
Employee Stock Option   $6.03   5/11/2015     A      33546         (1) 5/11/2025   Common Stock   33546   $0.00   (2) 33546   D    
Restricted Stock Units     (3) 5/11/2015     A      52012         (4)   (4) Common Stock   52012   $0.00   (2) 52012   D    
Restricted Stock Units     (3) 5/11/2015     A      47748         (5)   (5) Common Stock   47748   $0.00   (2) 47748   D    

Explanation of Responses:
( 1)  Option becomes exercisable in annual installments over 4 years as long as holder remains in service to the Company.
( 2)  These units were received as a grant or award for no consideration.
( 3)  Each Restricted Stock Unit (RSU) represents a right to receive one share of the Issuer's common stock.
( 4)  Award vests in in annual installments over 4 years as long as holder remains in service to the Company. Vested shares will be delivered to the holder shortly after the vesting date.
( 5)  This acquisition represents a restricted stock unit with vesting subject to the achievement of Company performance targets by December 31, 2017. Depending on the level of performance actually achieved, the number of shares that may vest under this grant will vary. The amount included in the table above represents the maximum number of shares that could vest under the grant.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Lyle David
3888 CALLE FORTUNADA
SAN DIEGO, CA 92123

Chief Financial Officer

Signatures
David Lyle 5/12/2015
** Signature of Reporting Person Date


Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.
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