OSI Systems exec acquires 75 shares via ESPP

OSI Systems executive Michael Tropeano acquired 75 shares of Common Stock through the company’s Employee Stock Purchase Plan.

Rhea-AI Filing Summary

OSI Systems executive Michael Tropeano acquired 75 shares of Common Stock through the company’s Employee Stock Purchase Plan. The shares were credited at a price of $140.61 per share. Following this acquisition, he directly holds a total of 3,587 OSI Systems common shares.

Insights

Equity Compensation Analyst

Routine employee stock purchase adds a small amount of OSI Systems shares.

The filing shows Michael Tropeano, president of Rapiscan Systems, acquiring 75 shares of OSI Systems common stock at $140.61 per share. The footnote states this was under the company’s Employee Stock Purchase Plan, a standard compensation benefit.

After the transaction, his direct holdings total 3,587 shares, so the new purchase is a relatively small incremental increase. Because this is plan-based, not an open-market trade, it carries limited signaling value about management’s view of the stock. Overall, this appears to be a routine equity compensation event.

Insider Trade Summary

Grant/Award: 75 shares

Grant/Award 1 txn

Insider Tropeano Michael

Role PRESIDENT, RAPISCAN SYSTEMS

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	75	$140.61	$11K

Holdings After Transaction: Common Stock — 3,587 shares (Direct)

Footnotes (1)

1. F1. Acquired pursuant to issuer's Employee Stock Purchase Plan.

Key Figures

Shares acquired: 75 shares Price per share: $140.61 per share Post-transaction holdings: 3,587 shares +1 more

4 metrics

Shares acquired 75 shares Common Stock acquired in ESPP transaction

Price per share $140.61 per share Acquisition price for ESPP shares

Post-transaction holdings 3,587 shares Total direct OSI Systems shares after acquisition

Transaction date June 30, 2026 Date of ESPP-related share acquisition

Key Terms

Employee Stock Purchase Plan, Common Stock, Form 4

3 terms

Employee Stock Purchase Plan financial

"Acquired pursuant to issuer's 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.

Common Stock financial

"security_title: "Common Stock""

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

Form 4 regulatory

"INSIDER FILING DATA (Form 4):"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

FAQ

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

What did OSI Systems (OSIS) executive Michael Tropeano report in this Form 4?

Michael Tropeano reported acquiring 75 shares of OSI Systems common stock. The shares were obtained through the company’s Employee Stock Purchase Plan at $140.61 per share, increasing his direct holdings to 3,587 shares after the transaction.

Was the OSI Systems (OSIS) insider transaction an open-market stock purchase?

No, the transaction was not an open-market purchase. The Form 4 footnote states the 75 OSI Systems shares were acquired under the issuer’s Employee Stock Purchase Plan, indicating a routine, plan-based equity acquisition rather than a discretionary market trade.

How many OSI Systems (OSIS) shares does Michael Tropeano hold after this transaction?

After acquiring 75 shares, Michael Tropeano directly holds 3,587 OSI Systems common shares. This total reflects his position immediately following the reported Employee Stock Purchase Plan acquisition, as disclosed in the Form 4 filing’s post-transaction ownership figure.

What price was paid per share in the OSI Systems (OSIS) Form 4 transaction?

The reported transaction price was $140.61 per OSI Systems common share. This price applies to the 75 shares acquired under the company’s Employee Stock Purchase Plan, as specified in the Form 4’s transaction details for the non-derivative Common Stock entry.

What is the nature of the acquisition reported by OSI Systems (OSIS) executive Tropeano?

The acquisition is categorized as a grant, award, or other acquisition. The Form 4 shows transaction code “A” with a footnote explaining the 75 shares were acquired under the issuer’s Employee Stock Purchase Plan, characterizing it as a routine compensation-related stock purchase.

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

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Accepted by SEC EDGAR 07/01/2026 - 04:00 PM Learn about SEC filing dates

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
Estimated average burden
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^*

Tropeano Michael

(Last) (First) (Middle)

12525 CHADRON AVE.

(Street)

HAWTHORNE CALIFORNIA 90250

(City) (State) (Zip)

UNITED STATES

(Country)

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)
	PRESIDENT, RAPISCAN SYSTEMS

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/30/2026

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

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

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

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	06/30/2026		A		75(1)	A	$140.61	3,587	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. Acquired pursuant to issuer's Employee Stock Purchase Plan.

	/s/ Michael Tropeano	07/01/2026
	** 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.
* Form 4: SEC 1474 (03-26)