OSI Systems (OSIS) executive tenders 65 shares for tax withholding

Rhea-AI Filing Summary

OSI Systems executive Constantine W. Paul reported a routine tax-withholding share tender. On April 23, 2026, 65 shares of OSI Systems common stock were disposed of at $292.5200 per share to satisfy tax withholding obligations under a net settlement.

According to the footnote, no shares were sold in the market; shares were tendered back to cover taxes. After this transaction, Paul directly holds 1,384 shares of OSI Systems common stock.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Constantine W Paul

Role PRES., SPACELABS HEALTHCARE

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	65	$292.52	$19K

Holdings After Transaction: Common Stock — 1,384 shares (Direct, null)

Footnotes (1)

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Key Figures

Shares tendered for tax withholding: 65 shares Recorded transaction price: $292.5200 per share Shares held after transaction: 1,384 shares

3 metrics

Shares tendered for tax withholding 65 shares Tax-withholding disposition on April 23, 2026

Recorded transaction price $292.5200 per share Used for 65-share tax-withholding entry

Shares held after transaction 1,384 shares Direct common stock holdings after April 23, 2026

Key Terms

tax-withholding disposition, net settlement, Common Stock, Form 4

4 terms

tax-withholding disposition financial

"65.0000 shares treated as a tax-withholding disposition at $292.5200"

A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.

net settlement financial

"Pursuant with a net settlement, shares of stock were tendered"

Common Stock financial

"security_title": "Common Stock" for the reported transaction"

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) for OSI SYSTEMS INC"

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.

Form 4 Insider Transactions: What Each Field Means →

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^*

Constantine W Paul

(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)
	PRES., SPACELABS HEALTHCARE

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/23/2026

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	04/23/2026		F		65(1)	D	$292.52	1,384	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. Pursuant with a net settlement, shares of stock were tendered to pay for the tax withholding. No shares of stock were sold.

	/s/ Wilson Paul Constantine	04/24/2026
	** 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)

FAQ

What insider transaction did OSI Systems (OSIS) report for Constantine W. Paul?

OSI Systems reported that Constantine W. Paul had 65 common shares tendered on April 23, 2026 to cover tax withholding obligations. The shares were used in a net settlement related to equity compensation, not an open-market sale.

Was the OSI Systems (OSIS) Form 4 transaction an open-market sale?

No, the Form 4 footnote states that no shares were sold. Instead, 65 shares of OSI Systems common stock were tendered back to the company to pay tax withholding in a net settlement arrangement.

How many OSI Systems (OSIS) shares does Constantine W. Paul hold after the transaction?

Following the April 23, 2026 tax-withholding disposition, Constantine W. Paul directly holds 1,384 shares of OSI Systems common stock. This figure reflects his position after 65 shares were tendered to cover tax obligations.

What price per share was used in the OSI Systems (OSIS) tax-withholding entry?

The Form 4 reports a transaction price of $292.5200 per share for the 65 OSI Systems common shares tendered. This value is used solely to record the tax-withholding disposition, not to indicate an open-market trade price.

What does the tax-withholding code 'F' mean in the OSI Systems (OSIS) Form 4?

Code F indicates a tax-withholding disposition, where shares are withheld or tendered to satisfy tax liabilities from equity awards. In this case, 65 OSI Systems shares were used for withholding, and no market sale occurred according to the footnote.