OSI Systems (OSIS) general counsel reports 251-share charitable gift

Rhea-AI Filing Summary

OSI Systems, Inc. officer and General Counsel Victor Sze reported a small insider transaction involving a charitable gift of company stock. On 12/12/2025, he transferred 251 shares of OSI Systems common stock, coded as a gift at a price of $0, from an indirectly held position to a charitable donor advised fund.

After this transaction, Sze beneficially owns 87,174 shares of OSI Systems common stock directly and 5,388 shares indirectly through the Victor So-Mien Sze & Angela Hsin-Chi Hsu Co-ttee Sze Trust U/T/A DTD 11/25/2014.

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
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hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

SZE VICTOR S

(Last) (First) (Middle)

12525 CHADRON AVE

(Street)

HAWTHORNE CA 90250

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
OSI SYSTEMS INC [ OSIS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	GENERAL COUNSEL

3. Date of Earliest Transaction (Month/Day/Year)
12/12/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	12/12/2025		G(1)		251	D	$0	5,388	I	Please see footnote(2)
Common Stock								87,174	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. This transaction is a gift of common stock to a charitable donor advised fund.

2. Victor So-Mien Sze & Angela Hsin-Chi Hsu Co-ttee Sze Trust U/T/A DTD 11/25/2014

	/s/ Victor Sze	12/15/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did OSI Systems (OSIS) report in this Form 4?

The filing shows that General Counsel Victor Sze made a charitable gift of 251 shares of OSI Systems common stock on 12/12/2025, coded as a gift at a price of $0 per share.

Who is the reporting person in the OSI Systems (OSIS) Form 4 and what is their role?

The reporting person is Victor Sze, who is identified as an officer of OSI Systems with the title General Counsel.

Was the OSI Systems (OSIS) insider transaction a purchase, sale, or gift?

The transaction is coded as G, which the footnotes explain is a gift of common stock to a charitable donor advised fund.

How many OSI Systems (OSIS) shares did Victor Sze transfer, and to what type of recipient?

Victor Sze transferred 251 shares of OSI Systems common stock as a gift to a charitable donor advised fund.

What are Victor Szes OSI Systems (OSIS) shareholdings after the reported transaction?

Following the gift, Victor Sze beneficially owns 87,174 shares of OSI Systems common stock directly and 5,388 shares indirectly.

Through what entity does Victor Sze hold his indirect OSI Systems (OSIS) shares?

His indirect holdings are through the Victor So-Mien Sze & Angela Hsin-Chi Hsu Co-ttee Sze Trust U/T/A DTD 11/25/2014.