UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 1-4383 ESPEY MFG. & ELECTRONICS CORP. (State of incorporation) ESP (I.R.S. Employer's Identification No.) 233 Ballston Avenue, Saratoga Springs, New York 12866 (Address of prin ...