UNITED STATES SECURITIES AND EXCHANGE COMMISSION ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended August 31, 2025 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 1-13419 Lindsay Corporation (Exact name of registrant as specified in its charter) Washington, D.C. 20549 FORM 10-K (MARK ONE) Delaware 47-0554096 (State or other jurisdiction of (I.R.S. Employer incorporation or orga ...