AECOM 10-K

ITEM 5. MARKET FOR REGISTRANT’S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES Our common stock is listed on the New York Stock Exchange (NYSE) under the symbol “ACM.” According to the records of our transfer agent, there were 1,467 stockholders of record as of November 10, 2023. Unregistered Sales of Equity Securities None. Equity Compensation Plans 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, 2023: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Column A ​ Column B Column C ​ ​ ​ ​ Number of securities ​ ​ ​ ​ ​ ​ ​ remaining available ​ ​ Number of securities ​ Weighted ‑ average ​ for future ​ ​ to be issued ​ exercise price of ​ issuance under ​ ​ upon exercise ​ Outstanding ​ equity compensation ​ ​ of outstanding ​ options, ​ plans (excluding ​ ​ options, warrants, ​ warrants, and ​ securities reflected Plan Category and rights (1) Rights in Column A) Equity compensation plans not approved by stockholders N/A ​ N/A ​ N/A Equity compensation plans approved by stockholders: ​ ​ AECOM Stock Incentive Plans 1,576,417 (1) ​ ​ 38.72 (2) ​ 10,239,810 AECOM Employee Stock Purchase Plan (3) N/A ​ N/A ​ 8,440,301 Total 1,576,417 ​ $ 38.72 ​ 18,680,111 (1) Includes 106,194 shares issuable upon the exercise of stock options, 772,818 shares issuable upon the vesting of Restricted Stock Units, and 697,405 shares issuable if specified performance targets are met under Performance Earnings Program Awards (PEP). (2) Weighted - average exercise price of outstanding options only. (3) Amounts only reflected in column (c) and include all shares available for future issuance and subject to outstanding rights. Performance Measurement Comparison (1) 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 Composite 1500 Construction & Engineering, from September 28, 2018 to September 29, 2023. 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 Composite 1500 Construction & Engineering index is an appropriate third party published industry index since it measures the performance of engineering and construction companies. (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. ​ 31 Table of Contents ​ ​ Stock Repurchase Program On September 22, 2021, the Company’s Board of Directors approved an increase in the Company’s repurchase authorization of AECOM common stock to $1.0 billion. Stock repurchases can be made through open market purchases or other methods, including pursuant to a Rule 10b5-1 plan. On November 9, 2023, the Board approved another increase in the Company’s repurchase authorization back up to $1.0 billion. A summary of the repurchase activity for the three months ended September 30, 2023 is as follows: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Total Number ​ ​ ​ Total Number of Shares Maximum Approximate Dollar ​ ​ of Shares ​ Average Price ​ Purchased as Part of Publicly ​ Value that May Yet Be Purchased Period Purchased Paid Per Share Announced Plans or Programs Under the Plans or Programs July 1 – 31, 2023 ​ — ​ $ — ​ — ​ $ 452,000,000 August 1 – 31, 2023 1,138,926 ​ 87.82 ​ 1,138,926 ​ 352,000,000 September 1 – 30, 2023 1,551,753 ​ 83.79 ​ 1,551,753 ​ 220,200,000 Total 2,690,679 ​ $ 85.50 ​ 2,690,679 ​ ​ ​ ​ ​ ITEM 6. RESERVED ​ ​ 32 Table of Contents ​