ACM

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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

Date of Report (Date of earliest event reported): February 9, 2026

AECOM

(Exact name of Registrant as specified in its charter)

Delaware

0-52423

61-1088522

(State or Other Jurisdiction

(Commission

(I.R.S. Employer

of Incorporation)

File Number)

Identification No.)

13355 Noel Road

Dallas, Texas 75240

75240

(Address of Principal

Executive Offices)

(Zip Code)

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

Not Applicable

(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 (see General Instruction A.2. below):

¨ 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-(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 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 2.02 Results of Operations and Financial Condition.

On February 9, 2026, AECOM issued a press release announcing its financial results for the quarter ended December 31, 2025. A copy of the press release is attached to this report as Exhibit 99.1. Exhibit 99.1 attached hereto shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended.

AECOM reports its results of operations based on 52 or 53-week periods ending on the Friday nearest September 30, December 31, March 31, and June 30. For clarity of presentation, all periods are presented as if the periods ended on September 30, December 31, March 31, and June 30.

Item  9.01 Financial Statements and Exhibits.

(d)  Exhibits

99.1 Press Release, dated February 9, 2026 entitled “AECOM reports first quarter fiscal 2026 results”.

104 Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURES

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

AECOM

Dated: February 9, 2026 By: /s/ David Y. Gan

David Y. Gan

Executive Vice President, Chief Legal Officer

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0000868857

2025-11-18 2025-11-18

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xbrli:shares

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

Date of Report (Date of earliest event reported): November 18, 2025

AECOM

(Exact name of Registrant as specified in its charter)

Delaware

0-52423

61-1088522

(State or Other Jurisdiction

(Commission

(I.R.S. Employer

of Incorporation)

File Number)

Identification No.)

13355 Noel Road

Dallas, Texas 75240

75240

(Address of Principal

Executive Offices)

(Zip Code)

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

Not Applicable

(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 (see General Instruction A.2. below):

¨ 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-(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 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 2.02 Results of Operations and Financial Condition.

On November 18, 2025, AECOM (the “Company”) issued a press release announcing its financial results for the quarter and year ended September 30, 2025. A copy of the press release is attached to this report as Exhibit 99.1. Exhibit 99.1 attached hereto shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended.

AECOM reports its results of operations based on 52 or 53-week periods ending on the Friday nearest September 30, December 31, March 31, and June 30. For clarity of presentation, all periods are presented as if the periods ended on September 30, December 31, March 31, and June 30.

Item 7.01 Regulation FD Disclosure.

On November 18, 2025, AECOM issued a press release announcing its increased long-term financial targets. A copy of the press release is attached to this report as Exhibit 99.2. Exhibit 99.2 attached hereto shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended.

Item 8.01 Other Events.

On November 18, 2025, AECOM announced that its Board of Directors (the “Board”) has declared a quarterly cash dividend of $0.31 per share as part of the Company’s ongoing quarterly dividend program. The dividend is payable on January 23, 2026 to stockholders of record as of the close of business on January 7, 2026.

The per share dividend of $0.31 represents a 19% increase from the previous quarterly dividend of $0.26 per share. The declaration and payment of future dividends are subject to the sole discretion of the Board.

The press release announcing the declaration of a cash dividend is attached hereto as Exhibit 99.1.

Item 9.01Financial Statements and Exhibits.

(d)  Exhibits

99.1Press Release, dated November 18, 2025 entitled “AECOM reports fourth quarter and full year fiscal 2025 results”

99.2Press Release, dated November 18, 2025 entitled “AECOM announces increased financial targets built on further extending its competitive advantage and accelerating operating leverage”

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

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

AECOM

Dated:  November 18, 2025 By: /s/ David Y. Gan

David Y. Gan

Executive Vice President, Chief Legal Officer

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2025-08-04 2025-08-04

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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

Date of Report (Date of earliest event reported): August 4, 2025

AECOM

(Exact name of Registrant as specified in its charter)

Delaware

0-52423

61-1088522

(State or Other Jurisdiction

(Commission

(I.R.S. Employer

of Incorporation)

File Number)

Identification No.)

13355 Noel Road

Dallas, Texas 75240

75240

(Address of Principal

Executive Offices)

(Zip Code)

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

Not Applicable

(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 (see General Instruction A.2. below):

¨ 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-(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 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 2.02Results of Operations and Financial Condition.

On August 4, 2025, AECOM issued a press release announcing its financial results for the quarter ended June 30, 2025. A copy of the press release is attached to this report as Exhibit 99.1. Exhibit 99.1 attached hereto shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended.

AECOM reports its results of operations based on 52 or 53-week periods ending on the Friday nearest September 30, December 31, March 31, and June 30. For clarity of presentation, all periods are presented as if the periods ended on September 30, December 31, March 31, and June 30.

Item 9.01Financial Statements and Exhibits.

(d)  Exhibits

99.1Press Release, dated August 4, 2025 entitled “AECOM reports third quarter fiscal 2025 results”.

104Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURES

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

AECOM

Dated:  August 4, 2025 By: /s/ David Y. Gan

David Y. Gan

Executive Vice President, Chief Legal Officer