FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF 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 *   Buss David H. 2. Date of Event Requiring Statement (Month/Day/Year) 05/24/2016 3. Issuer Name and Ticker or Trading Symbol CUBIC CORP /DE/ [CUB] (Last) (First) (Middle) 9333 BALBOA AVENUE 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Senior Vice President 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) SAN DIEGO, CA 92123 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 Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5) Common Stock 222 D Â

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	  (2)	  (2)	Common Stock	1,179	$ (1)	D	Â
Restricted Stock Units	  (3)	  (3)	Common Stock	1,148	$ (1)	D	Â
Restricted Stock Units	  (4)	  (4)	Common Stock	1,148	$ (1)	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Buss David H. 9333 BALBOA AVENUE SAN DIEGO, CA 92123	Â	Â	  Senior Vice President	Â

Signatures

Angela L. Hartley, Attorney-in-fact for David H. Buss		05/31/2016
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(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)	Each restricted stock unit ("RSU") represents a contingent right to receive one share of CUB stock
(2)	RSUs granted to the Reporting Person on July 1, 2015. The remaining 1,179 shares from such grant shall vest in 3 equal installments on October 1,2016, 2017 and 2018, subject to the Reporting Person's continuous service through each applicable vesting date.
(3)	RSUs granted to the Reporting Person on November 6, 2015. The shares from such grant shall vest in 4 equal installments on October 1, 2016, 2017, 2018 and 2019, subject to the Reporting Person's continuous service through each applicable vesting date.
(4)	The performance-based RSUs vest on the date the Board of Directors certifies CUB's sales growth, EBITDA growth, and return on equity for the three-year performance period ending on September 30, 2018, subject to the Reporting Person's continued service with CUB through such vesting date, except as otherwise provided in the applicable RSU agreement. The RSUs vest based 40% on sales growth, 40% on EBITDA growth, and 20% on the return on equity achieved by CUB during such performance period. Dividend equivalent rights accrue with respect to the RSUs when and as dividends are paid on CUB common stock and vest proportionately with the RSUs to which they relate. Vested shares and accrued dividends will be delivered to the Reporting Person following the vesting date.

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