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): March 11, 2024

American Water Works Company, Inc.

(Exact name of registrant as specified in its charter)

Commission File Number: 001-34028

Delaware	51-0063696
(State or other jurisdiction of incorporation)	(IRS Employer Identification No.)

1 Water Street

Camden, NJ 08102-1658

(Address of principal executive offices, including zip code)

(856) 955-4001

(Registrant’s telephone number, including area code)

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	Name of Each Exchange on Which Registered
Common stock, par value $0.01 per share	AWK	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 (17 CFR 230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR 240.12b-2).

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 8.01.    Other Events.

Completion of Acquisition of Granite City Wastewater Treatment Plant

On March 11, 2024, Illinois-American Water Company (“Illinois American Water”), a wholly owned subsidiary of American Water Works Company, Inc. (the “Company”), completed the acquisition of a wastewater treatment plant and related assets from Granite City (the “Seller”) for an aggregate purchase price of $86 million, pursuant to an Asset Purchase Agreement, dated April 6, 2023, as amended September 28, 2023. The Granite City wastewater treatment plant serves approximately 26,000 customers, including 15,500 customers indirectly in surrounding communities. The sale was approved by the Illinois Commerce Commission on January 31, 2024.

A copy of the press release issued by Illinois American Water on March 11, 2024, has been included as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference. References and links to websites and other information contained in this press release are not provided as active hyperlinks, and the information contained in or accessed through these hyperlinks shall not be incorporated into, or form a part of, this Current Report on Form 8-K.

Item 9.01.    Financial Statements and Exhibits.

(d) Exhibits.

The following exhibits to this Current Report have been provided herewith as noted below:

Exhibit No.	Description
99.1*	Press Release, dated March 11, 2024, issued by Illinois American Water.
104	Cover Page Interactive Data File (the cover page XBRL tags are included and formatted as Inline XBRL).
* Filed herewith.

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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 hereunto duly authorized.

		AMERICAN WATER WORKS COMPANY, INC.
Dated:	March 11, 2024	By:	/s/ JOHN C. GRIFFITH
			John C. Griffith
			Executive Vice President and Chief Financial Officer

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