OSI Systems director uses 144 shares for tax bill

OSI Systems director James B. Hawkins reported a Form 4 transaction involving company common stock.

Rhea-AI Filing Summary

OSI Systems director James B. Hawkins reported a Form 4 transaction involving company common stock. On August 14, 2026, 144 shares were withheld and tendered in a net settlement to pay tax withholding obligations at an indicated value of $228.56 per share; the footnote states that no shares were sold in the market. Following this event and an adjustment for 15 previously omitted shares, Hawkins is reported as beneficially owning 5,385 shares of OSI Systems common stock.

Insider Trade Summary

Tax Withholding: 144 shares

Tax Withholding 1 txn

Insider HAWKINS JAMES B

Role Director

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock F1, F2	144	$228.56	$33K

Holdings After Transaction: Common Stock — 5,385 shares (Direct)

Footnotes (2)

1. F1. Pursuant with a net settlement, shares of stock were tendered to pay for the tax withholding. No shares of stock were sold.
2. F2. The amount of securities beneficially owned following the reported transaction has been adjusted to reflect the reduction of 15 shares that were inadvertently omitted from prior ownership reports. This adjustment corrects the reporting of the Reporting Person's beneficial ownership and does not result from a current transaction.

Key Figures

Shares withheld for tax: 144 shares Per-share value for withholding: $228.56 per share Post-transaction holdings: 5,385 shares +2 more

5 metrics

Shares withheld for tax 144 shares Shares tendered in a net settlement to pay tax withholding on August 14, 2026

Per-share value for withholding $228.56 per share Indicated value used for the 144 shares withheld under transaction code F

Post-transaction holdings 5,385 shares Common stock beneficially owned by James B. Hawkins following the reported transaction

Ownership correction 15 shares Additional shares added to beneficial ownership to correct prior reports

Tax-liability-related shares 144 shares Total shares delivered or withheld for payment of tax liability as summarized in filing

Key Terms

net settlement, tax withholding, beneficially owned

3 terms

net settlement financial

"Pursuant with 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.

beneficially owned financial

"The amount of securities beneficially owned following the reported transaction"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

FAQ

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

What transaction did OSIS director James B. Hawkins report on this Form 4?

James B. Hawkins reported that 144 OSIS shares were withheld in a net settlement on August 14, 2026 to pay tax withholding obligations. The filing specifies that no shares were sold in the market as part of this transaction.

How many OSIS shares were used to cover taxes in the reported transaction?

The transaction used 144 shares of OSI Systems common stock to cover tax withholding. These shares were tendered in a net settlement at an indicated $228.56 per share to satisfy the tax liability rather than being sold on the market.

What is James B. Hawkins’ OSIS share ownership after the reported Form 4 transaction?

After the transaction and an ownership correction, James B. Hawkins is reported as beneficially owning 5,385 OSIS shares. This figure incorporates an adjustment for 15 shares that had been inadvertently omitted from prior ownership reports, not from a new transaction.

Did James B. Hawkins sell any OSIS shares in this Form 4 filing?

The filing states that no shares of stock were sold. Instead, 144 shares were tendered and withheld in a net settlement solely to pay tax withholding obligations associated with an award, which is reported under transaction code F.

What correction to prior OSIS ownership reports is disclosed in this Form 4?

The filing discloses that Hawkins’ beneficial ownership has been adjusted to include 15 shares that were inadvertently omitted from earlier reports. The footnote clarifies this correction does not result from a current transaction but from revising previously reported ownership.

Was the OSIS Form 4 transaction by James B. Hawkins under a Rule 10b5-1 plan?

The Rule 10b5-1 checkbox is not marked as affirmative for this filing. The transaction is reported as a tax-withholding event (code F), and there is no footnote indicating that it occurred pursuant to a Rule 10b5-1 trading plan.

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

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Accepted by SEC EDGAR 08/17/2026 - 04:00 PM EDT 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^*

HAWKINS JAMES B

(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)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/14/2026

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	08/14/2026		F		144(1)	D	$228.56	5,385(2)	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.

2. The amount of securities beneficially owned following the reported transaction has been adjusted to reflect the reduction of 15 shares that were inadvertently omitted from prior ownership reports. This adjustment corrects the reporting of the Reporting Person's beneficial ownership and does not result from a current transaction.

	/s/ James Hawkins	08/17/2026
	** 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)