OSI Systems officer proposes $107K share sale

Morgan Stanley Smith Barney LLC is listed as broker, and the reported aggregate market value is $107,200.00.

Available on EDGAR 11/09/2026 - 04:10 PM EST Accepted by SEC EDGAR 11/09/2026 - 04:10 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

OSI Systems, Inc. officer Paul Morben, who signed as Paul Keith Morben, reported a proposed sale of 536 common shares, with an approximate sale date of November 9, 2026. The acquisition history lists 311 shares from restricted-stock vesting on August 24, 2022, and Employee Stock Purchase Plan acquisitions of 75 shares each on June 30, 2025, December 31, 2025, and June 30, 2026.

Key Figures

Common shares to be sold: 536 shares Aggregate market value: $107,200.00 Common shares outstanding: 15,728,156 shares +4 more

7 metrics

Common shares to be sold 536 shares Proposed sale; approximate date November 9, 2026

Aggregate market value $107,200.00 Securities listed for sale

Common shares outstanding 15,728,156 shares Listed in the securities information

Restricted stock vesting 311 shares Acquired August 24, 2022

Employee Stock Purchase Plan acquisition 75 shares Acquired June 30, 2025

Employee Stock Purchase Plan acquisition 75 shares Acquired December 31, 2025

Employee Stock Purchase Plan acquisition 75 shares Acquired June 30, 2026

Key Terms

Aggregate Market Value, Restricted Stock Vesting Under a Registered Plan, Employee Stock Purchase Plan

3 terms

Aggregate Market Value financial

"Aggregate Market Value"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

Restricted Stock Vesting Under a Registered Plan financial

"Restricted Stock Vesting Under a Registered Plan"

Employee Stock Purchase Plan financial

"Shares Purchased Through Employee Stock Purchase Plan"

An employee stock purchase plan is a company program that lets workers buy shares through small payroll deductions, often at a discount to the market price and after a set offering period. Think of it like a workplace savings plan that turns into ownership: it encourages employees to share in the company’s success and can create predictable buying or selling of stock that investors watch because it affects supply, demand and employee incentives.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many OSIS shares does Paul Morben plan to sell?

Paul Morben reported a proposed sale of 536 common shares, with an approximate sale date of November 9, 2026. The reported aggregate market value is $107,200.00. Morgan Stanley Smith Barney LLC is listed as broker.

AI-generated analysis. How Rhea-AI works. Not financial advice.

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001628328
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	OSI SYSTEMS, INC.
SEC File Number	000-23125
Address of Issuer	12525 Chadron Avenue Hawthorne CALIFORNIA 90250
Phone	310-978-0516
Name of Person for Whose Account the Securities are To Be Sold	PAUL MORBEN
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	536	107200.00	15728156	11/09/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	08/24/2022	Restricted Stock Vesting Under a Registered Plan	Issuer			311	08/24/2022	Cash
Common	06/30/2025	Shares Purchased Through Employee Stock Purchase Plan	Issuer			75	06/30/2025	Cash
Common	12/31/2025	Shares Purchased Through Employee Stock Purchase Plan	Issuer			75	12/31/2025	Cash
Common	06/30/2026	Shares Purchased Through Employee Stock Purchase Plan	Issuer			75	06/30/2026	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	11/09/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Paul Keith Morben
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)