Executive Change

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: April 10, 2026 (Date of earliest event reported) THE YORK WATER COMPANY (Exact name of registrant as specified in its charter) PENNSYLVANIA 001-34245 23-1242500 (State or other jurisdiction of incorporation) (Commission File Number) (I.R.S. Employer Identification No.) 130 EAST MARKET STREET , YORK , PENNSYLVANIA   17401 (Address of principal executive offices)   (Zip Code) Registrant’s telephone number, including area code ( 717 ) 845-3601 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-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: COMMON STOCK, NO PAR VALUE YORW The NASDAQ Global Select Market (Title of Class) (Trading Symbol) (Name of Each Exchange on Which Registered) 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.  ☐ THE YORK WATER COMPANY Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. On April 10, 2026, Ashley M. Grimm, Esq. resigned her position as Vice President of Human Resources and Secretary effective May 14, 2026.  Ms. Grimm’s resignation was not the result of any disagreement relating to the Company’s policies, operations, or practices. THE YORK WATER COMPANY 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 thereunto duly authorized.   THE YORK WATER COMPANY       /s/ Matthew E. Poff Date: April 14, 2026 Matthew E. Poff   Chief Financial Officer