Welcome to our dedicated page for Unitil SEC filings (Ticker: UTL), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The Unitil Corporation (NYSE: UTL) SEC filings page provides access to the company’s official regulatory disclosures as a public utility holding company. Through these documents, investors can review how Unitil reports on its regulated electricity and natural gas distribution operations in Maine, New Hampshire and Massachusetts, as well as its capital structure, acquisitions and governance matters.
Unitil’s current reports on Form 8-K highlight material events such as credit agreements, note purchase agreements, and the completion of acquisitions. For example, the company has filed 8-Ks describing a credit agreement with The Bank of Nova Scotia used in part to finance the acquisition of Maine Natural Gas Company, a transition services agreement related to that acquisition, and long-term senior unsecured notes issued by Bangor Natural Gas Company. Other 8-K filings document management changes, including the appointment of a Senior Vice President and General Counsel and the planned retirement and succession of the Corporate Secretary.
In addition to event-driven 8-Ks, Unitil files registration statements and prospectus supplements with the SEC in connection with public offerings of its common stock. These filings outline the use of proceeds, such as equity contributions to regulated utility subsidiaries, repayment of credit facility borrowings and general corporate purposes. The company’s SEC reports also specify that its common stock, no par value, is registered under Section 12(b) of the Securities Exchange Act of 1934 and listed on the New York Stock Exchange under the symbol UTL.
On Stock Titan, users can view these filings as they are made available from EDGAR and use AI-powered summaries to better understand complex agreements, financial covenants and transaction structures. This includes quickly identifying key terms in credit agreements, note purchase agreements and acquisition-related documents, as well as tracking ongoing obligations and events of default described in Unitil’s regulatory filings.
Unitil Corporation has filed a prospectus supplement and accompanying prospectus for an offering, referencing documents incorporated by reference including its 2024 Form 10-K and subsequent Form 10-Qs through June 30, 2025. The supplement explains terms of this offering under a shelf registration and notes the company’s common stock trades on the NYSE under UTL with a 52-week high of $63.52 and low of $48.72. As of June 30, 2025, a pro forma summary in the supplement shows aggregate line items totaling $1,168.6 (in millions or thousands not specified in the excerpt). The document describes 60-day lock-up agreements with the underwriters that restrict transfers by certain parties, and it sets out U.S. federal income tax rules for non-U.S. holders, including potential 30% withholding (and FATCA-related withholding) on dividends and certain payments absent certification or treaty relief. The prospectus highlights risk factors and procedures for obtaining treaty benefits, backup withholding, and other tax considerations for non-U.S. investors.