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
OMB APPROVAL
OMB Number: 3235-0287
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
Burke Michael S
  2. Issuer Name and Ticker or Trading Symbol
AECOM [ACM]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Chairman & CEO
(Last)
(First)
(Middle)
C/O AECOM, 1999 AVENUE OF THE STARS, SUITE 2600
3. Date of Earliest Transaction (Month/Day/Year)
10/05/2017
(Street)

LOS ANGELES, CA 90067
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 10/05/2017   M(1)   66,561 A $ 27.54 220,923 D  
Common Stock 10/05/2017   S   56,800 D $ 36.86 (2) 164,123 D  
Common Stock               38,910.485 I by Merrill Lynch under AECOM Retirement & Savings Plan (RSP)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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. SEC 1474 (9-02)

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
Stock Options $ 27.54 10/05/2017   M     66,561 10/05/2017 12/08/2017 Common Stock 66,561 $ 0 0 D  
Stock Options $ 31.62               (4) 03/05/2024 Common Stock 638,570   638,570 D  
Restricted Stock Unit (3)               (5)   (5) Common Stock 111,077   111,077 D  
Restricted Stock Units (3)               (6)   (6) Common Stock 154,274   154,274 D  
Restricted Stock Units (3)               (7)   (7) Common Stock 140,375   140,375 D  
Restricted Stock Units (3)               (8)   (8) Common Stock 115,304   115,304 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Burke Michael S
C/O AECOM
1999 AVENUE OF THE STARS, SUITE 2600
LOS ANGELES, CA 90067
  X     Chairman & CEO  

Signatures

 /s/ Preston Hopson, Attorney-in-Fact for Michael S. Burke   10/06/2017
**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) The sale in this Form 4 was made pursuant to a 10b5-1 trading plan adopted on September 1, 2017 solely to cover the option cost, taxes and other fees related to the exercise of the stock option that would have expired on December 8, 2017. After the transaction, the remaining 9,761 net shares continue to be held by Michael S. Burke.
(2) This transaction was executed in multiple trades at prices ranging from $36.46 to $36.92. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
(3) Each restricted stock unit represents a contingent right to receive one share of AECOM common stock.
(4) The option becomes exercisable, if at all, beginning on March 5, 2019 subject to (A) continued employment and (B) the average daily closing price of AECOM's common stock on the New York Stock Exchange during any consecutive 20 trading day period exceeding certain price hurdles.
(5) The restricted stock units vest in December 2017.
(6) The restricted stock units vest in three equal annual installments beginning on November 2017.
(7) The restricted stock units vest in December 2018.
(8) The restricted stock units vest in December 2019.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.