Reg FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20509     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) October 22, 2025     Tejon Ranch Co. (Exact Name of Registrant as Specified in its Charter)       Delaware   1-07183   77-0196136 (State or Other Jurisdiction of Incorporation)   (Commission File Number)   (IRS Employer Identification No.) P. O. Box 1000 , Lebec , California   93243 (Address of Principal Executive Offices)   (Zip Code) Registrant’s telephone number, including area code 661 - 248-3000 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:   Title of each class   Trading Symbol(s)   Name of each exchange on which registered Common Stock   TRC   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. The Tejon Ranch Co. (the “Company”) announced in a press release issued October 22, 2025 (the “Press Release”) that it will hold a conference call on November 6, 2025 at 5:00PM Eastern Time for the Company’s shareholders and other interested parties in connection with the Company’s release of third quarter 2025 operating and financial results. During the conference call the Company will address questions that are emailed in advance, instructions for which are provided in the Press Release. The Press Release also announced that the Company will hold an Investor Engagement Event at the New York Stock Exchange on November 14, 2025 to discuss the strategic vision of the Company. Information on how interested shareholders and other parties may register to attend each of these events is included in the Press Release. A copy of this release is furnished as Exhibit 99.1 to this Current Report on Form 8-K. The information in this Current Report on Form 8-K (including the exhibit attached as Exhibit 99.1 hereto) is being furnished pursuant to Item 7.01 of Form 8-K and shall not be deemed to be “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed to be incorporated by reference in any filing under the Securities Act (including the exhibit attached as Exhibit 99.1 hereto).   Item 9.01 Financial Statements and Exhibits. For the exhibits that are furnished herewith, see the Index to Exhibits immediately following. INDEX TO EXHIBITS   99.1    Press Release dated October 22, 2025 announcing third quarter 2025 earnings release and conference call 104    Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101).   2 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.   Date: October 22, 2025   TEJON RANCH CO.     By:   /S/ MICHAEL R.W. HOUSTON     Name:   Michael R.W. Houston     Title:   Senior Vice President, General Counsel & Secretary   3