Company: AWK
Filing Date: 2025-12-17
Form Type: S-4
Source: 0001193125-25-321389
Chunk: 243

Company: American Water Works Company, Inc.
Filing Date: 2025-12-17
Form: S-4
Chunk 243
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| Current Reports on Form 8-K           |     | Filed with the SEC on February                                                                                                                                              
 18, 2025; March                                                                                                                                                             
 19, 2025; May                                                                                                                                                               
 12, 2025 (Item 5.07); August                                                                                                                                                
 7, 2025; and October 27, 2025 (Item 1.01).                                                                                                                                  |
| Description of Essential common stock |     | The description of Essential common stock contained in the Description of Securities of Essential Utilities, Inc. filed as Exhibit 4.1 to Essential’s Annual Report on Form 
 10-K for the fiscal year ended December 31, 2020, and any further Description of Securities of Essential filed thereafter for the purpose of updating such description      |

Incorporation by Reference of Future Filings American Water and Essential incorporate by reference any future filings they make with the SEC under Sections 13(a), 13(c), 14 and 15(d) of the Exchange Act on or after the date of this joint proxy statement/prospectus and prior to the date on which the American Water special meeting is held and the Essential special meeting is held (excluding any information and exhibits to the extent such disclosure has been “furnished” and not “filed”). Those filings are considered to be a part of this joint proxy statement/prospectus, effective as of the date they are filed. In the event of conflicting information in these documents, the information in the latest filed document should be considered correct. How to Obtain Documents You can obtain any of the other documents listed above from the SEC, through the SEC’s website at the address indicated above, or from American Water or Essential, as applicable, by requesting them by mail, email or by telephone from the appropriate company at the following addresses and telephone numbers:

| By Mail:                                                
 American Water Works Company, Inc. Attention: Secretary 
 1 Water Street Camden, New Jersey 08102-1658            |     | By Mail:                                                 
 Essential Utilities, Inc. Attention: Corporate Secretary 
 762 West Lancaster Avenue Bryn Mawr, PA                  
 19010-3489                                               |

183

| By Email:                     
 svc_corpsecoffice@amwater.com 
 By Telephone:                 
 (856) 955-4001                |     | By Email:                      
 investorrelations@essential.co 
 By Telephone:                  
 (610) 527-8000                 |

These documents are available from American Water or