☒Quarterly Report Pursuant to Section13 or 15(d)of the Securities Exchange Act of 1934For the quarterly period ended December31, 2025or ☐Transition Report Pursuant to Section13 or 15(d)of the Securities Exchange Act of 1934Commission File Number 1-5103 BARNWELL INDUSTRIES,INC. (Exact name of registrant as specified in its charter) Delaware72-0496921(State or other jurisdiction of incorporation or organization)(I.R.S. Employer Identification No.) 24 Greenway Plaza, Suite 1800Q, Houston, Texas77046(Address of principal executive offices)(Zip code) (713) 730-7026(Registrant’s telephone number, including area code) Securities registered pursuant to Section 12(b) of the Act: Trading Symbol(s)BRN Name of each exchange on which registeredNYSE American Indicate by check mark whether the registrant (1)has filed all reports required to be filed by Section13 or 15(d)of theSecurities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to filesuch reports), and (2)has been subject to such filing requirements for the past 90 days.☒Yes☐No Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to besubmitted pursuant to Rule405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorterperiod that the registrant was required to submit such files).☒Yes☐No Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smallerreporting company, or an emerging growth company.See the definitions of “large accelerated filer,” “accelerated filer,” “smallerreporting company,” and "emerging growth company" in Rule12b-2 of the Exchange Act. Large accelerated filer☐Accelerated filer☐Non-accelerated filer☒Smaller reporting company☒Emerging growth company☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition periodfor complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.☐ Indicate by check mark whether the registrant is a shell company (as defined in Rule12b-2 of the Exchange Act).Yes☒No As of February20, 2026 there were 12,566,314 shares of common stock, par value $0.50, outstanding. BARNWELL INDUSTRIES,INC.AND SUBSIDIARIES INDEX PARTI.FINANCIAL INFORMATION:Item 1.Financial Statements (Unaudited)Condensed Consolidated Balance Sheets - December31, 2025and September30, 2025Condensed Consolidated Statements of Operations - three months ended December 31,2025 and 2024Condensed Consolidated Statements of Comprehensive Loss - three months endedDecember 31, 2025 and 2024Condensed Consolidated Statements of Equity - three months ended December 31,2025 and 2024Condensed Consolidated Statements of Cash Flows - three months endedDecember 31, 2025 and 2024Notes to Condensed Consolidated Financial StatementsItem 2.Management’s Discussion and Analysis of Financial Condition and Results ofOperationsItem 4.Controls and ProceduresPARTII.OTHER INFORMATION:Item 2.Unregistered Sales of Equity Securities and Use of ProceedsItem 5.Other InformationItem 6.ExhibitsSignatureIndex to Exhibits BARNWELL INDUSTRIES,INC. AND SUBSIDIARIESCONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS(Unaudited) BARNWELL INDUSTRIES,INC. AND SUBSIDIARIESCONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS(Unaudited) BARNWELL INDUSTRIES,INC. AND SUBSIDIARIESCONDENSED CONSOLIDATED STATEMENTS OF EQUITYThree months ended December31, 2025 and 2024(Unaudited) BARNWELL INDUSTRIES,INC. AND SUBSIDIARIESCONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS BARNWELL INDUSTRIES,INC.AND SUBSIDIARIESNOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS(Unaudited) 1.SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Principles of Consolidation The condensed consolidated financial statements include the accounts of Barnwell Industries,Inc. andall majority-owned subsidiaries (collectively referred to herein as “Barnwell,” “we,” “our,” “us,” or the“Company”), including a 77.6%-owned land investment general partnership ("Kaupulehu Developments") and a75%-owned land investment partnership (KD Kona 2013 LLLP). All significant intercompany accounts andtransactions have been eliminated. Undivided interests in oil and natural gas exploration and production joint ventures are consolidated on aproportionate basis. Barnwell’s investments in both unconsolidated entities in which a significant, but less thancontrolling, interest is held and in variable interest entities in which the Company is not deemed to be theprimary beneficiary are accounted for by the equity method. Unless otherwise indicated, all references to “dollars” in this Form10-Q are to U.S. dollars. Unaudited Interim Financial Information The accompanying unaudited condensed consolidated financial statements and notes have been preparedby Barnwell in accordance with the rulesand regul