OSI SYSTEMS INC 10-Q

ITEM 5. OTHER INFORMATION Rule 10b5-1 Trading Plans Our directors and officers (as defined in Rule 16a-1 under the Exchange Act) may from time to time enter into plans or other arrangements for the purchase or sale of our shares that are intended to satisfy the affirmative defense conditions of Rule 10b5-1 (c) or may represent a non-Rule 10b5-1 trading arrangement under the Exchange Act. During the third quarter of fiscal 2026, none of our directors or officers informed us of the adoption , modification or termination of a “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement” as those terms are defined in Regulation S-K, Item 408. ​ Code of Ethics & Conduct ​ As part of its review of our corporate governance policies, our Board of Directors adopted an updated Code of Ethics & Conduct (the “Updated Code”), effective May 1, 2026. The Updated Code is applicable to all Company employees, officers, and directors. ​ The Updated Code includes clarification around emerging risk areas as well as other non-substantive enhancements. ​ The foregoing description of the Updated Code is qualified in its entirety by reference to the full text of the Updated Code, which is filed as exhibit 14.1 to this Quarterly Report on Form 10-Q and incorporated herein by reference. The Updated Code is also publicly available on our website at http://www.osi-systems.com. ​ ​ 36 Table of Contents ITEM 6. EXHIBITS ​ Exhibit Number ​ ​ ​ Description 14.1 ​ OSI Systems, Inc. Code of Ethics and Conduct effective May 1, 2026 ​ ​ ​ 31.1 ​ Certification pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 ​ ​ ​ 31.2 ​ Certification pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 ​ ​ ​ 32.1 ​ Certification pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 ​ ​ ​ 32.2 ​ Certification pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 ​ ​ ​ 101.INS ​ XBRL Instance Document ​ ​ ​ 101.SCH ​ Inline XBRL Taxonomy Extension Schema ​ ​ ​ 101.CAL ​ Inline XBRL Taxonomy Extension Calculation Linkbase ​ ​ ​ 101.DEF ​ Inline XBRL Taxonomy Extension Definition Linkbase ​ ​ ​ 101.LAB ​ Inline XBRL Taxonomy Extension Label Linkbase ​ ​ ​ 101.PRE ​ Inline XBRL Taxonomy Extension Presentation Linkbase ​ ​ ​ 104 ​ Cover Page Interactive Data File (formatted as Inline XBRL with applicable taxonomy extension information contained in Exhibits 101) ​ ​ 37 Table of Contents Signatures Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized, in the City of Hawthorne, State of California on the 4th day of May, 2026 . ​ ​ ​ ​ OSI SYSTEMS, INC. ​ ​ ​ ​ By: /s/ Ajay Mehra ​ ​ Ajay Mehra ​ ​ President and Chief Executive Officer ​ ​ (Principal Executive Officer) ​ ​ ​ ​ By: /s/ Alan Edrick ​ ​ Alan Edrick ​ ​ Executive Vice President and Chief Financial Officer ​ ​ (Principal Financial Officer) ​ ​ ​ ​ By: /s/ Cary Okawa ​ ​ Cary Okawa ​ ​ Chief Accounting Officer ​ ​ (Principal Accounting Officer) ​ ​ 38