OSI Systems (NASDAQ: OSIS) director awarded 924 shares of company stock

Rhea-AI Filing Summary

CHIZEVER GERALD M reported acquisition or exercise transactions in this Form 4 filing.

Gerald M. Chizever, a director of OSI Systems, received a grant/award of 924 shares of Common Stock on 2026-07-20 at $216.65 per share. Following this award, he directly holds 3,679 shares of OSI Systems common stock.

He also reports indirect ownership of 7,163 shares held by The G&C Chizever Family Trust, for which Gerald and Caroline Chizever serve as trustees.

Insider Trade Summary

Net Buyer: 924 shares

Net Buy 2 txns

Insider CHIZEVER GERALD M

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	924	$216.65	$200K
holding	Common Stock F1	--	--	--

Holdings After Transaction: Common Stock — 3,679 shares (Direct); Common Stock — 7,163 shares (Indirect, See Footnote)

Footnotes (1)

1. F1. Consists of shares of common stock held by The G&C Chizever Family Trust. Gerald and Caroline Chizever Trustees.

Key Figures

Stock grant size: 924 shares Grant price: $216.65 per share Direct holdings after grant: 3,679 shares +1 more

4 metrics

Stock grant size 924 shares Grant/award of OSI Systems Common Stock on 2026-07-20

Grant price $216.65 per share Per-share value for the 924-share Common Stock award

Direct holdings after grant 3,679 shares Total directly owned OSI Systems shares following the award

Indirect holdings via trust 7,163 shares Shares held by The G&C Chizever Family Trust, reported as indirect ownership

Key Terms

Grant, award, or other acquisition, indirect ownership, Family Trust

3 terms

Grant, award, or other acquisition regulatory

"Transaction code description: Grant, award, or other acquisition"

indirect ownership financial

"ownership_type: indirect ownership of shares via a trust"

Family Trust financial

"Shares of common stock held by The G&C Chizever Family Trust"

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

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 07/21/2026 - 04:00 PM Accepted by SEC EDGAR 07/21/2026 - 04:00 PM Learn about SEC filing dates

FAQ

What insider transaction did OSIS report for Gerald M. Chizever?

Gerald M. Chizever received a grant of 924 OSI Systems common shares on 2026-07-20 at $216.65 per share, reported as a "grant, award, or other acquisition," increasing his directly held position to 3,679 shares.

How many OSIS shares does Gerald M. Chizever now hold directly and indirectly?

After the reported grant, Gerald M. Chizever directly holds 3,679 OSI Systems shares. He also reports 7,163 additional shares held indirectly through The G&C Chizever Family Trust, where he and Caroline Chizever are trustees.

Was the OSIS insider transaction by Gerald M. Chizever a purchase or a grant?

The OSIS transaction for Gerald M. Chizever is reported as a "grant, award, or other acquisition" of 924 common shares, not an open-market purchase or sale. It reflects an award-type acquisition that increased his direct ownership.

At what price was the 924-share OSIS stock grant to Gerald M. Chizever recorded?

The 924-share grant to Gerald M. Chizever was recorded at $216.65 per share. This price is disclosed as the per-share value for the common stock awarded on 2026-07-20 in the insider ownership report.

How are Gerald M. Chizever’s indirect OSIS holdings structured?

Gerald M. Chizever’s indirect OSIS holdings consist of 7,163 common shares held by The G&C Chizever Family Trust. A footnote explains that Gerald and Caroline Chizever serve as trustees for this trust.

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^*

CHIZEVER GERALD M

(Last) (First) (Middle)

12525 CHADRON AVENUE

(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)
07/20/2026

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	07/20/2026		A		924	A	$216.65	3,679	D
Common Stock								7,163	I	See Footnote(1)

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. Consists of shares of common stock held by The G&C Chizever Family Trust. Gerald and Caroline Chizever Trustees.

	/s/ Gerald Chizever	07/21/2026
	** 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)