OSI SYSTEMS INC

Regulatory Filings • Dec 11, 2025

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UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549

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FORM 8-K

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CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934

DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): December 11, 2025

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OSI SYSTEMS, INC. *(EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)*

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Delaware	000-23125	33-0238801
(STATE OR OTHER JURISDICTION OF INCORPORATION)	(COMMISSION FILE NUMBER)	(IRS EMPLOYER IDENTIFICATION NO.)

12525 CHADRON AVENUE HAWTHORNE , CA 90250
(ADDRESS OF PRINCIPAL EXECUTIVE OFFICES) (ZIP CODE)

( 310 ) *978-0516 (REGISTRANT’S TELEPHONE NUMBER, INCLUDING AREA CODE)*

N/A (FORMER NAME OR FORMER ADDRESS, IF CHANGED SINCE LAST REPORT.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading symbol(s)	Name of each exchange on which registered
Common Stock, $0.001 par value	OSIS	The Nasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ¨

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

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Item 5.07 Submission of Matters to a Vote of Security Holders

The Company held its Annual Meeting of Stockholders on December 11, 2025. The results of the proposals voted on by the Company’s stockholders at the Annual Meeting were as follows:

1. Election of Directors

Name — Deepak Chopra	15,065,956	456,162	4,712	519,770
Ajay Mehra	15,122,461	399,436	4,933	519,770
William F. Ballhaus	12,823,807	2,697,993	5,030	519,770
Kelli Bernard	14,529,610	987,491	9,729	519,770
Gerald Chizever	13,945,681	1,576,135	5,014	519,770
James B. Hawkins	12,012,942	3,507,589	6,299	519,770

The six nominees identified above were elected to the Board of Directors and will serve as directors until the Company’s next annual meeting and until their successors are elected and qualified.

2. Ratification of the appointment of Grant Thornton LLP as the Company’s independent registered public accounting firm for the fiscal year ending June 30, 2026

For	Against	Abstentions	Broker Non-votes
16,038,141	1,837	6,622	0

3. Advisory vote on the Company’s executive compensation for the fiscal year ended June 30, 2025

For	Against	Abstentions	Broker Non-votes
12,573,322	2,946,636	6,872	519,770

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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 hereunto duly authorized.

Date: December 11, 2025
By:	/s/ Alan Edrick
	Alan Edrick
	EVP and Chief Financial Officer

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