8-K

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): May 15, 2026

    

UNITIL CORPORATION

(Exact name of Registrant as Specified in Its Charter)


New Hampshire	1-8858	02-0381573
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(IRS Employer Identification No.)

6 Liberty Lane West
Hampton, New Hampshire		03842-1720
(Address of Principal Executive Offices)		(Zip Code)

     Registrant’s Telephone Number, Including Area Code: (603) 772-0775

    

N/A

(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:

☐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(s)	Name of each exchange on which registered
Common Stock, no par value	UTL	The 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 (§ 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. ☐

Item 7.01 Regulation FD Disclosure.

From May 17, 2026 through May 19, 2026, Unitil Corporation will attend the American Gas Association (“AGA”) Financial Forum. Today, the Company posted a presentation to the investor relations section of the Company’s website (www.unitil.com/investors) that may be discussed during the AGA Financial Forum. That presentation is attached as Exhibit 99.1.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits


Number	Exhibit

99.1	Unitil Corporation's presentation to attendees at the American Gas Association's Financial Forum

104	Cover Page Interactive Data File (embedded within the Inline XBRL document)

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.


			UNITIL CORPORATION

Date:	May 15, 2026	By:	/s/ Daniel J. Hurstak
			Daniel J. Hurstak Senior Vice President, Chief Financial Officer and Treasurer

UNITIL Corporation filed SEC Form 8-K: Regulation FD Disclosure, Financial Statements and Exhibits