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 * FELDMANN BRADLEY H   2. Issuer Name and Ticker or Trading Symbol CUBIC CORP /DE/ [CUB] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Chairman/President/CEO (Last) (First) (Middle) 9333 BALBOA AVENUE 3. Date of Earliest Transaction (Month/Day/Year) 10/01/2018 (Street) SAN DIEGO, CA 92123 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 10/01/2018   M   20,249 (1) A (1) 55,903 D   Common Stock 10/01/2018   F   10,018 (2) D $ 72.29 45,885 D   Common Stock               3,050 I Feldmann IRA (3) Common Stock               1,263.551 I Cubic 401(k) (4) Common Stock               33 I The Feldmann Family Trust DTD 04-20-12 (5) Common Stock               11 I By child (6)

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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 Units	(1)	10/01/2018		M			3,896	(7)	(7)	Common Stock	3,896	(1)	0	D
Restricted Stock Units	(1)	10/01/2018		M			4,782	(8)	(8)	Common Stock	4,782	(1)	4,780	D
Restricted Stock Units	(1)	10/01/2018		M			5,972	(9)	(9)	Common Stock	5,972	(1)	11,944	D
Restricted Stock Units	(1)	10/01/2018		M			5,599	(10)	(10)	Common Stock	5,599	(1)	16,796	D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
FELDMANN BRADLEY H 9333 BALBOA AVENUE SAN DIEGO, CA 92123	X		Chairman/President/CEO

Signatures

Claudia M. Strup, Attorney-in-fact for Bradley H. Feldmann		10/03/2018
**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)	Reflects the issuance of CUB common stock upon vesting of restricted stock units ("RSUs"). Each RSU grated at that time represented a contingent right to receive one share of CUB stock.
(2)	Shares withheld by CUB to satisfy the minimum statutory tax withholding obligations that arose upon the vesting of the RSUs.
(3)	Represents shares held by the PTC Cust Rollover FBO Bradley Feldmann, of which the Reporting Person is the sole owner with full voting and disposition rights.
(4)	Represents shares held by the Reporting Person's 401(k).
(5)	The Feldmann Family Trust DTD 04-20-2012, of which the Reporting Person and his spouse are co-trustees with full voting and disposition rights.
(6)	Represents shares held by Reporting Person's son, a dependent not living in household. Reporting Person disclaims beneficial ownership of these securities.
(7)	This is the fourth and final of 4 vesting installments of RSU's granted to the Reporting Person on November 6, 2014.
(8)	This is the third of 4 vesting installments of RSUs granted to the Reporting Person on November 6, 2015. The remaining 4780 shares from such grant shall vest in 1 final installment on October 1, 2019, subject to the Reporting Person's continuous service through such application vesting date.
(9)	This is the second of 4 vesting installments of RSUs granted to the Reporting Person on November 14, 2016. The remaining 11944 shares from such grant shall vest in 2 equal installments on October 1, 2019 and 2020, subject to the Reporting Person's continuous service through each application vesting date.
(10)	This is the first of 4 vesting installments of RSU's granted to the Reporting Person on November 27, 2017. The remaining 16796 shares from such grant shall vest in 3 equal installments on October 1, 2019, 2020 and 2021, subject to the Reporting Person's continuous service through each application vesting date.

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