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* Adams Shirley A (Last) (First) (Middle) C/O AECOM 300 SOUTH GRAND AVENUE, 9TH FLOOR (Street) LOS ANGELES CA 90071 (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) Chief Human Resources Officer
	3. Date of Earliest Transaction (Month/Day/Year) 12/15/2020
	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	12/15/2020		M		2,030(1)	A	$0	6,429	D
Common Stock	12/15/2020		F		954(2)	D	$47.88	5,475	D
Common Stock	12/15/2020		A		1,246(3)	A	$47.88(4)	6,721	D

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 Units	(1)	12/15/2020		M			2,030	12/15/2020	(1)	Common Stock	2,030	(1)	0	D
Restricted Stock Units	(5)	12/15/2020		A		3,342		(6)	(6)	Common Stock	3,342	$0	3,342	D

Explanation of Responses:

1. Each restricted stock unit represented a contingent right to receive, upon vesting, one share of the Issuer's common stock. The restricted stock units were granted on December 15, 2017. On December 15, 2020, the restricted stock units vested and were settled for an equal number of shares of the Issuer's common stock less any applicable tax withholding.

2. Represents shares of common stock withheld by the Issuer to satisfy certain tax withholding obligations in connection with the vesting of the restricted stock units.

3. Shares acquired pursuant to AECOM's Performance Earnings Program under the 2016 Stock Incentive Plan.

4. 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, 2020.

5. Each restricted stock unit represents a contingent right to receive, upon vesting, one share of the Issuer's common stock.

6. The restricted stock units vest on December 15, 2023.

	/s/ Peter Bartolino, Attorney-in-Fact for Shirley A. Adams	12/17/2020
	** 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 Number.