What price per share was used for the OSIS Form 4 transactions?

Both the RSU-related grant and the tax-withholding net settlement reference a value of $206.73 per share for OSIS Common Stock. This figure appears as the transaction price per share in each reported transaction.

Is the OSIS insider transaction related to performance conditions?

Yes. The equity reported for Paul Keith Morben is tied to RSUs issued pursuant to performance based vestings, meaning the award is connected to the achievement of specified performance criteria described by the company.

OSI Systems exec granted 1,083 shares at $206.73

Q: What insider equity award did OSIS report for Paul Keith Morben?

Paul Keith Morben received a grant of 1,083 shares of OSI SYSTEMS INC Common Stock on 2026-08-24. The grant relates to RSUs issued pursuant to performance based vestings, according to the company’s footnote disclosure.

Q: How many OSIS shares were withheld for taxes in this Form 4?

On 2026-08-24, 1,331 shares of OSIS Common Stock were tendered to pay for tax withholding in a net settlement related to vested RSUs. The company notes that this was for tax purposes and that no shares of stock were sold.

Q: Were any OSIS shares actually sold on the market in this Form 4?

No. The company states that, pursuant to a net settlement, shares were tendered to pay for the tax withholding and explicitly notes that no shares of stock were sold in connection with this transaction.

Filing Impact

(Moderate)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

OSI SYSTEMS INC (OSIS) reported that officer Paul Keith Morben, President of the Optoelectronics Division, received a grant of 1,083 shares of Common Stock on 2026-08-24, tied to performance-based RSU vesting. On the same date, 1,331 shares were withheld and tendered to pay tax withholding in a net settlement at a reference value of $206.73 per share, and the company specifies that no shares were sold on the market.

Insider Trade Summary

Net Seller: 248 shares

Net Sell 2 txns

Insider Morben Paul Keith

Role PRES., OPTOELECTRONICS DIV

Type	Security	Shares	Price	Value
Grant/Award	Common Stock ^F1	1,083	$206.73	$224K
Tax Withholding	Common Stock ^F2	1,331	$206.73	$275K

Holdings After Transaction: Common Stock — 9,915 shares (Direct)

Footnotes (2)

F1. RSUs are issued pursuant to performance based vestings.
F2. Pursuant to a net settlement, shares of stock were tendered to pay for the tax withholding. No shares of stock were sold.

Key Figures

RSU-related grant shares: 1,083 shares of Common Stock Tax withholding shares (net settlement): 1,331 shares of Common Stock Reference price per share: $206.73 per share +1 more

4 metrics

RSU-related grant shares 1,083 shares of Common Stock Grant/award acquisition reported on 2026-08-24 for Paul Keith Morben

Tax withholding shares (net settlement) 1,331 shares of Common Stock Shares tendered to pay tax withholding on 2026-08-24; no market sale

Reference price per share $206.73 per share Price used for both the grant and tax-withholding transactions on 2026-08-24

Shares for exercise price or tax liability 1,331 shares Total shares reported under code F as used for tax withholding

Key Terms

RSUs, performance based vestings, net settlement, tax withholding

4 terms

RSUs financial

"RSUs are issued pursuant to performance based vestings."

RSUs, or restricted stock units, are a form of company shares given to employees as part of their compensation. They are typically awarded with certain restrictions, such as a waiting period before they can be fully owned or sold, similar to earning a gift that becomes fully yours over time. For investors, RSUs can impact a company's stock offerings and reflect how much the company relies on stock-based incentives to attract and retain talent.

performance based vestings financial

"RSUs are issued pursuant to performance based vestings."

net settlement financial

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

tax withholding financial

"shares of stock were tendered to pay for the tax withholding."

Tax withholding is the practice of taking a portion of a payment—such as wages, dividends, or sale proceeds—before it reaches the recipient and sending that portion to the tax authority as an advance on the recipient’s eventual tax bill. For investors it matters because withholding reduces immediate cash received and affects after‑tax returns, estimated tax payments, and whether you may owe more or receive a refund when taxes are finally calculated, like having a small automatic savings set aside for your tax bill.

FAQ

What insider equity award did OSIS report for Paul Keith Morben?

Paul Keith Morben received a grant of 1,083 shares of OSI SYSTEMS INC Common Stock on 2026-08-24. The grant relates to RSUs issued pursuant to performance based vestings, according to the company’s footnote disclosure.

How many OSIS shares were withheld for taxes in this Form 4?

On 2026-08-24, 1,331 shares of OSIS Common Stock were tendered to pay for tax withholding in a net settlement related to vested RSUs. The company notes that this was for tax purposes and that no shares of stock were sold.

Were any OSIS shares actually sold on the market in this Form 4?

No. The company states that, pursuant to a net settlement, shares were tendered to pay for the tax withholding and explicitly notes that no shares of stock were sold in connection with this transaction.

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

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Available on EDGAR 08/26/2026 - 12:18 PM Accepted by SEC EDGAR 08/26/2026 - 12:17 PM

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^*

Morben Paul Keith

(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., OPTOELECTRONICS DIV

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/24/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	08/24/2026		A		1,083⁽¹⁾	A	$206.73	11,386	D
Common Stock	08/24/2026		F		1,331⁽²⁾	D	$206.73	9,915	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. RSUs are issued pursuant to performance based vestings.

2. Pursuant to a net settlement, shares of stock were tendered to pay for the tax withholding. No shares of stock were sold.

	/s/ Paul Morben	08/26/2026
	** 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)

Source: View Original Filing on SEC EDGAR