SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* Christofferson Carla J (Last) (First) (Middle) C/O AECOM 1999 AVENUE OF THE STARS, SUITE 2600 (Street) LOS ANGELES 90067 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol AECOM [ ACM ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner X Officer (give title below) Other (specify below) EVP, Chief Legal Officer
	3. Date of Earliest Transaction (Month/Day/Year) 12/15/2018
	4. If Amendment, Date of 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

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	12/15/2018		M		17,380	A	$27.91(1)	18,203	D
Common Stock	12/15/2018		F		8,977	D	$27.91(1)	16,579	D
Common Stock	12/15/2018		A(2)		15,756	A	(3)	24,982	D
Common Stock	12/18/2018		S(4)		15,756	D	$27.6156(5)	9,226	D
Common Stock								347.9295	I	by Merrill Lynch under AECOM Retirement & Savings Plan (RSP)

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 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: 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 Unit	(1)	12/15/2018		M			17,380	12/15/2018	(1)	Common Stock	17,380	(1)	0	D
Restricted Stock Units	(6)	12/15/2018		A		21,819		12/15/2018	(7)	Common Stock	21,819	$0	21,819	D

Explanation of Responses:

1. Each restricted stock unit represented a contingent right to receive one share of AECOM common stock. On December 15, 2018, 17,380 of the reporting person's restricted stock units vested and were settled for an equal number of shares of AECOM common stock less any applicable tax withholding.

2. Shares acquired pursuant to AECOM's Performance Earnings Program under 2006 Stock Incentive Plan.

3. Pursuant to the terms of AECOM's Performance Earnings Program, the calculation to determine the number of shares awarded under the Program was performed using a per share value equal to the closing price on December 15, 2018.

4. The sale in this Form 4 was made pursuant to a 10b5-1 trading plan adopted on November 16, 2018.

5. This transaction was executed in multiple trades at prices ranging from $27.32 to $27.89. 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.

6. Each restricted stock unit represents a contingent right to receive one share of AECOM common stock.

7. The restricted stock units vests in December 2021.

	/s/ Charles Szurgot, Attorney-in-Fact for Carla J Christofferson	12/18/2018
	** 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).
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