Paul Keith Morben - 07 Nov 2025 Form 4 Insider Report for OSI SYSTEMS INC (OSIS)

Role: PRES., OPTOELECTRONICS DIV
Signature: /s/ Paul Morben
Issuer symbol: OSIS
Transactions as of: 07 Nov 2025
Net transactions value: -$116,106
Form type: 4
Filing time: 07 Nov 2025, 21:50:07 UTC
Previous filing: 14 Oct 2025
Next filing: 02 Jan 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Morben Paul Keith	PRES., OPTOELECTRONICS DIV	12525 CHADRON AVE., HAWTHORNE	/s/ Paul Morben	07 Nov 2025	0001628328

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	OSIS	Common Stock	Sale	$116,106	-416	-4.6%	$279.10	8,540	07 Nov 2025	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	This transaction was executed in multiple trades at prices ranging from $279.10 to $279.26. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and price at which the transaction was effected.

Content

This transaction was executed in multiple trades at prices ranging from $279.10 to $279.26. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and price at which the transaction was effected.