AECOM to replace chief legal officer in 2026

AECOM’s Chief Legal Officer David Gan plans to retire in 2027, with Manav Kumar appointed as his successor effective October 2, 2026.

Rhea-AI Filing Summary

AECOM (ACM) announced a planned leadership transition in its legal organization. On September 14, 2026, Chief Legal Officer David Gan notified the company of his decision to retire. He will remain Chief Legal Officer through October 2, 2026, then serve as Senior Advisor until his retirement in the second half of 2027.

As Senior Advisor, Mr. Gan will continue to receive his existing base salary and remain eligible for an annual incentive bonus under the Executive Incentive Plan for fiscal year 2026, but will not participate in annual or long-term incentive programs for fiscal year 2027. Manav Kumar, currently General Counsel, Corporate and Global Head of Public Affairs, will become Chief Legal Officer effective October 2, 2026. Mr. Kumar, age 42, has held progressively senior legal roles at AECOM since January 2020 and previously served in senior legal and public policy roles in Los Angeles city government, the U.S. Senate, and private practice.

8-K Event Classification

Item 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers

1 item

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers Governance

Key personnel changes including departures, elections, or appointments of directors and executive officers.

Key Figures

Transition Date: October 2, 2026 Retirement timing: Second half of 2027 Age of incoming Chief Legal Officer: 42 years +2 more

5 metrics

Transition Date October 2, 2026 Date when David Gan ceases serving as Chief Legal Officer and becomes Senior Advisor

Retirement timing Second half of 2027 Period when David Gan is expected to retire from AECOM

Age of incoming Chief Legal Officer 42 years Age of Manav Kumar, who will become Chief Legal Officer on the Transition Date

Start as General Counsel, Corporate and Global Head of Public Affairs December 2024 Date when Manav Kumar assumed his current role at AECOM

Start as Senior Vice President, Deputy General Counsel January 2020 Beginning of Manav Kumar’s Senior Vice President, Deputy General Counsel role at AECOM

Key Terms

Senior Advisor, Executive Incentive Plan, annual incentive bonus, long-term incentive programs, +1 more

5 terms

Senior Advisor other

"he will serve as Senior Advisor to the Company to assist with the transition"

A senior advisor is an experienced executive or specialist who provides strategic guidance to a company's leadership without running daily operations. Investors care because such advisors bring credibility, industry knowledge and connections that can speed decision-making, open partnerships or reduce execution risk—like hiring a trusted coach to help a team perform better—which can influence future growth prospects and market confidence.

Executive Incentive Plan financial

"eligible to receive an annual incentive bonus under the Executive Incentive Plan"

annual incentive bonus financial

"remain eligible to receive an annual incentive bonus under the Executive Incentive Plan"

long-term incentive programs financial

"he will not participate in the Company’s annual or long-term incentive programs"

Chief Legal Officer other

"David Gan, Chief Legal Officer of AECOM, provided notice of his decision to retire"

A chief legal officer is a senior executive responsible for overseeing a company's legal matters, ensuring that its activities comply with laws and regulations. They act like a company's legal guide, helping to prevent legal problems and manage risks. For investors, understanding this role is important because it reflects how well a company manages legal risks that could impact its stability and reputation.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What leadership change did AECOM (ACM) announce in this 8-K?

AECOM disclosed that Chief Legal Officer David Gan will retire, remaining in his role through October 2, 2026, then serving as Senior Advisor until the second half of 2027. Manav Kumar will succeed him as Chief Legal Officer effective the Transition Date.

When will AECOM’s Chief Legal Officer transition take effect for ACM?

The transition is effective October 2, 2026. Until then, David Gan continues as Chief Legal Officer. On that date, Manav Kumar becomes Chief Legal Officer and Mr. Gan moves into a Senior Advisor role to support transition and special initiatives.

How long will David Gan remain with AECOM (ACM) after stepping down as Chief Legal Officer?

After October 2, 2026, David Gan will serve as Senior Advisor until his retirement in the second half of 2027, assisting with the transition of the Chief Legal Officer role and special initiatives during that period.

What compensation arrangements apply to David Gan during his Senior Advisor role at AECOM (ACM)?

As Senior Advisor, David Gan will continue to receive his existing base salary until his retirement in the second half of 2027. He remains eligible for an annual incentive bonus for fiscal 2026, but will not participate in annual or long-term incentive programs for fiscal 2027.

Who is Manav Kumar, the incoming Chief Legal Officer of AECOM (ACM)?

Manav Kumar, age 42, has been AECOM’s General Counsel, Corporate and Global Head of Public Affairs since December 2024. He previously served as Deputy General Counsel and held legal and public policy roles with the City of Los Angeles, the U.S. Senate, and major law firms.

Does this AECOM (ACM) filing mention any changes to incentive programs for fiscal 2027?

Yes. The filing states that David Gan will not participate in AECOM’s annual or long-term incentive programs for fiscal year 2027, although he remains eligible for an annual incentive bonus under the Executive Incentive Plan for fiscal year 2026.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/16/2026 - 04:10 PM Accepted by SEC EDGAR 09/16/2026 - 04:10 PM Learn about SEC filing dates

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C.  20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934, as amended

Date of Report (Date of earliest event reported): September 14, 2026

AECOM

(Exact name of registrant as specified in its charter)

Delaware		000-52423		61-1088522
(State or other jurisdiction		(Commission		(IRS Employer
of incorporation)		File Number)		Identification No.)

13355 Noel Road
Dallas, Texas				75240
(Address of principal executive offices)				(Zip Code)

Registrant’s telephone number, including area code (972) 788-1000

N/A

(Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

¨  Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨  Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨  Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨  Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class		Trading Symbol(s)		Name of each exchange on which registered
Common Stock, $0.01 par value		ACM		New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company   ¨

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ¨

Item 5.02.       Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On September 14, 2026, David Gan, Chief Legal Officer of AECOM (the “Company”), provided notice of his decision to retire from the Company. Mr. Gan will continue in his role through October 2, 2026 (the “Transition Date”), after which he will serve as Senior Advisor to the Company (“Senior Advisor”) to assist with the transition of the role and special initiatives until his retirement from the Company in the second half of 2027 (the “Retirement Date”).

As Senior Advisor, Mr. Gan will continue to receive his existing base salary until the Retirement Date. Mr. Gan will remain eligible to receive an annual incentive bonus under the Executive Incentive Plan for fiscal year 2026, but he will not participate in the Company’s annual or long-term incentive programs in fiscal year 2027.

Manav Kumar, the Company’s General Counsel, Corporate and Global Head of Public Affairs will succeed Mr. Gan as Chief Legal Officer, effective as of the Transition Date.

Mr. Kumar, age 42, has served as General Counsel, Corporate and Global Head of Public Affairs since December 2024. He previously served as Senior Vice President, Deputy General Counsel and Global Head of Public Affairs from March 2023 to November 2024, and as Senior Vice President, Deputy General Counsel from January 2020 to February 2023. Prior to joining AECOM, Mr. Kumar served as Deputy Counsel to the Mayor of Los Angeles and Chief Olympics Officer for the City of Los Angeles during its successful pursuit of the 2028 Olympic and Paralympic Games. Earlier in his career, he held foreign policy roles in the U.S. Senate, clerked on the U.S. Court of Appeals for the Ninth Circuit, and practiced law at Arnold & Porter LLP and Caldwell Leslie & Proctor PC. Mr. Kumar earned an A.B. from Harvard College and a J.D. from Yale Law School.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	AECOM
Dated:  September 16, 2026	By:	/s/ Gaurav Kapoor
		Gaurav Kapoor
		Chief Financial and Operations Officer

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