United States Securities and Exchange Commission Washington, D. C. 20549 ________________________________________________ FORM 10-K (Mark One) ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 ☒ For the fiscal year ended March 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number 001-38848 STERIS plc (Exact name of registrant as specified in its charter) Ireland 98-1455064 (State or other jurisdiction ...