FORM10-Q ☒QUARTERLY REPORT PURSUANT TO SECTION13 OR 15(d)OF THE SECURITIES EXCHANGE ACT OF1934For the quarterly period ended June 30, 2026 OR ☐TRANSITION REPORT PURSUANT TO SECTION13 OR 15(d)OF THE SECURITIES EXCHANGE ACT OF1934For the transition period from _______ to _______ PIONEER BANCORP,INC. (Exact Name of Company as Specified in its Charter) Maryland001-3899183-4274253(State of Other Jurisdiction ofIncorporation)(Commission File No.)(I.R.S. Employer Identification No.) Securities registered pursuant to Section12(b)of the Act: 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 12months (or for such shorter period that the registrant wasrequired to file such reports), and (2)has been subject to such filing requirements for the past 90days. 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 (Section232.405 of this Chapter) during the preceding 12months(or for such shorter period 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, asmaller reporting company, or an emerging growth company. See definitions of “large accelerated filer,” “acceleratedfiler,” “smaller reporting 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 extendedtransition period for complying with any new or revised financial accounting standards provided pursuant toSection13(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 August 6, 2026 there were 24,841,663 shares outstanding of the registrant’s common stock. PIONEER BANCORP,INC.INDEX PARTI- FINANCIAL INFORMATION3Item1– Consolidated Financial Statements-unaudited3Consolidated Statements of Condition3Consolidated Statements of Operations4Consolidated Statements of Comprehensive Income5Consolidated Statements of Changes in Shareholders’ Equity6Consolidated Statements of Cash Flows7Notes to Unaudited Consolidated Financial Statements8Item2- Management’s Discussion and Analysis of Financial Condition and Results of Operations42Item3– Quantitative and Qualitative Disclosures About Market Risk62Item4– Controls and Procedures62PARTII– OTHER INFORMATION63Item1– Legal Proceedings63Item1A– Risk Factors63Item2– Unregistered Sales of Equity Securities and Use of Proceeds63Item3– Defaults Upon Senior Securities63Item4– Mine Safety Disclosures64Item5– Other Information64Item6– Exhibits65 PARTI- FINANCIAL INFORMATION June30,December31,20262025AssetsCash and due from banks$36,950$29,835Federal funds sold9,4872,800Interest-earning deposits with banks48,129101,040Cash and cash equivalents94,566133,675Securities available for sale, at fair value200,896220,431Securities held to maturity, net of allowance for credit losses of $486 at June30,2026 and$452 at December 31, 2025 (fair value of $43,826 at June30,2026 and $40,175 atDecember 31, 2025)44,76641,521Trading securities, at fair value22,036—Federal Reserve Bank of New York and Federal Home Loan Bank of New York stock4,1756,090Loans receivable1,898,9351,671,560Allowance for credit losses(28,071)(25,305)Net loans receivable1,870,8641,646,255Accrued interest receivable9,4328,889Premises and equipment, net36,03035,576Bank-owned life insurance15,32415,306Goodwill26,5619,599Other intangible assets, net12,2572,711Other assets26,72830,631Total assets$ 2,363,635$ 2,150,684 LiabilitiesDeposits:Non-interest bearing deposits$454,816$456,114Interest bearing deposits1,514,1341,283,064Total deposits1,968,9501,739,178Mortgagors’ escrow deposits12,1359,129Borrowings from Federal Home Loan Bank of New York—50,000Other liabilities54,21228,516Total liabilities2,035,2971,826,823 Shareholders’ EquityPreferred stock ($0.01 par value, 5,000,000 shares authorized, no shares issued or outstanding as of June30,2026 and December 31, 2025)——Common stock ($0.01 par value, 75,000,000 shares authorized 24,841,663 and 25,072,214shares issued and outstanding as of June30,2026 and December 31, 2025, respectively)248251Additional paid in capital116,284115,400Retained earnings208,196203,045Unallocated common stock of Employee Stock Ownership Plan (“ESOP”)(8,528)(8,868)Accumulated other comprehensive income12,13814,033Total shareholders’ equity328,338323,861Total liabilities and shareholders’ equity$ 2,363,635$ 2,150,684 See accompanying notes to unaudited consolidated financial statements. See accompanying notes to unaudited consolidated financial statements.