4 unchanged sentences
The following table presents certain information about shares of AECOM common stock that may be issued under our equity compensation plans as of September 30, 2025:
−Removed: Number of securities
−Removed: remaining available
−Removed: Number of securities
−Removed: Weighted ‑ average
−Removed: exercise price of
−Removed: issuance under
−Removed: upon exercise
−Removed: equity compensation
−Removed: of outstanding
−Removed: plans (excluding
−Removed: options, warrants,
−Removed: warrants, and
−Removed: securities reflected
−Removed: Plan Category
−Removed: and rights (1)
−Removed: Equity compensation plans not approved by stockholders
+Added: Column A Column B Column C
+Added: Plan Category Number of securities to be issued upon exercise of outstanding options, warrants, and rights (1)
+Added: Weighted‑average exercise price of Outstanding options, warrants, and rights Number of securities remaining available for future issuance under equity compensation plans (excluding securities reflected in Column A)
+Added: Equity compensation plans not approved by stockholders N/A N/A N/A
Equity compensation plans approved by stockholders:
1 unchanged sentence
AECOM Employee Stock Purchase Plan (3)
−Removed: Includes 53,097 shares issuable upon the exercise of stock options, 753,848 shares issuable upon the vesting of Restricted Stock Units, and 659,343 shares issuable if specified performance targets are met under Performance Earnings Program Awards (PEP).
+Added: N/A N/A 7,504,394
+Added: Total 1,357,329 N/A
+Added: _______________________________________________________________
+Added: (1) Includes 717,898 shares issuable upon the vesting of Restricted Stock Units, and 639,431 shares issuable if specified performance targets are met under Performance Earnings Program Awards (PEP).
+Added: As of September 30, 2025, there were no options outstanding.
(2) Weighted-average exercise price of outstanding options only.
1 unchanged sentence
Performance Measurement Comparison (1)
−Removed: The following chart compares the cumulative total stockholder return of AECOM stock (ACM) with the cumulative total return of the S&P MidCap 400, and the S&P Mid Cap 400 Commercial & Professional Services Index, from September 27, 2019 to September 27, 2024.
+Added: The following chart compares the cumulative total stockholder return of AECOM stock (ACM) with the cumulative total return of the S&P MidCap 400, and the S&P Mid Cap 400 Commercial & Professional Services Index, from October 2, 2020 to October 3, 2025.
We believe the S&P 400 MidCap is an appropriate independent broad market index, since it measures the performance of similar mid-sized companies in numerous sectors.
In addition, we believe the S&P Mid Cap 400 Commercial & Professional Services Index is an appropriate third party published industry index since it measures the performance of professional services companies.
−Removed: During fiscal 2024, we determined that the S&P Mid Cap 400 Commercial & Professional Services Index is a more appropriate comparison than the prior S&P Composite 1500 Construction & Engineering Index due to the composition of the included companies given their size, comparable services, and lines of business.
−Removed: (1) This section is not “soliciting material,” is not deemed “filed” with the SEC and is not incorporated by reference in any of our filings under the Securities Act or Exchange Act whether made before or after the date hereof and irrespective of any general incorporation language in any such filing.
+Added: _______________________________________________________________
+Added: (1) This section is not “soliciting material,” is not deemed “filed” with the SEC and is not incorporated by reference in any of our filings under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended, whether made before or after the date hereof and irrespective of any general incorporation language in any such filing.
Stock Repurchase Program
The following table shows the repurchase activity for each of the three months ended September 30, 2025:
−Removed: Total Number of Shares
−Removed: Maximum Approximate Dollar
−Removed: Average Price
−Removed: Purchased as Part of Publicly
−Removed: Value that May Yet Be Purchased
−Removed: Fiscal Period
−Removed: Paid Per Share
−Removed: Announced Plans or Programs
−Removed: Under the Plans or Programs (1)
+Added: Fiscal Period Total Number of Shares Purchased Average Price Paid per Share Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs Maximum Approximate Dollar Value that May Yet Be Purchased Under the Plans or Programs (1)
July 1 – 31, 2025 — $ — — $ 894,500,000
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September 1 – 30, 2025 1,970,954 $ 126.91 1,970,954 $ 644,400,000
+Added: Total 1,970,954 1,970,954
+Added: _______________________________________________________________
(1) On November 15, 2024, the Board approved an increase in the Company’s repurchase authorization up to an aggregate amount of $1.0 billion with no expiration date.
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Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.