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OSI Systems (NASDAQ: OSIS) grants 610 performance-based RSUs to HR chief

(Moderate)
(Neutral)
Form Type
4

Rhea-AI Filing Summary

OSI Systems, Inc. reported an equity compensation grant to Chief Human Resources Officer Glenn Grindstaff. He acquired 610 restricted stock units of common stock on July 31, 2026 at a reported price of $221.39 per share, increasing his direct holdings to 9,932 shares. The units were granted under the Amended and Restated 2012 Incentive Award Plan and vest only upon achievement of specified performance targets.

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Insider Grindstaff Glenn
Role CHIEF HUMAN RESOURCES OFFICER
Type Security Shares Price Value
Grant/Award Common Stock F1 610 $221.39 $135K
Holdings After Transaction: Common Stock — 9,932 shares (Direct)
Footnotes (1)
  1. F1. Shares are restricted stock units issued to the Reporting Person pursuant to the OSI Systems, Inc. Amended and Restated 2012 Incentive Award Plan. Vesting and amount of shares are subject to achievement of performance targets.
RSUs granted 610 shares Restricted stock units of common stock granted on July 31, 2026
Reported price per share $221.39 Price per share reported for the restricted stock unit grant
Direct holdings after grant 9,932 shares Total direct common stock held by Glenn Grindstaff following the award
restricted stock units financial
"Shares are restricted stock units issued to the Reporting Person pursuant..."
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
Incentive Award Plan financial
"pursuant to the OSI Systems, Inc. Amended and Restated 2012 Incentive Award Plan"
An incentive award plan is a formal program that rewards employees, executives, or directors with cash, stock, options, or other pay when the company meets set goals or performance targets. Like a sales commission or a loyalty program that pays out when you hit milestones, it’s designed to align staff behavior with company objectives; investors care because it affects a company’s costs, share count (dilution), leadership incentives, and long-term value creation.
performance targets financial
"Vesting and amount of shares are subject to achievement of performance targets"

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

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FAQ

What equity award did OSI Systems (OSIS) grant to Glenn Grindstaff?

Glenn Grindstaff, Chief Human Resources Officer of OSI Systems (OSIS), received an equity compensation grant of 610 restricted stock units of common stock on July 31, 2026 under the company’s Amended and Restated 2012 Incentive Award Plan, subject to performance-based vesting conditions.

How many OSI Systems (OSIS) shares does Glenn Grindstaff hold after this grant?

Following the award, Glenn Grindstaff’s direct holdings in OSI Systems (OSIS) increased to 9,932 shares of common stock. This total includes the newly granted 610 restricted stock units, which are subject to vesting based on achievement of specified performance targets under the company’s incentive plan.

What conditions apply to the restricted stock units granted by OSI Systems (OSIS)?

The 610 restricted stock units granted to Glenn Grindstaff by OSI Systems (OSIS) vest only if defined performance targets are achieved. Both vesting and the final number of shares deliverable are contingent on these performance criteria under the Amended and Restated 2012 Incentive Award Plan.

Was the OSI Systems (OSIS) transaction for Glenn Grindstaff a market purchase or a compensation award?

The transaction for OSI Systems (OSIS) was a grant or award acquisition, not an open-market purchase or sale. It is coded “A” for an award of 610 restricted stock units of common stock, reported at $221.39 per share, as part of equity compensation.
SEC Form 4
FORM 4UNITED 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*
Grindstaff Glenn

(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)
Director10% Owner
XOfficer (give title below)Other (specify below)
CHIEF HUMAN RESOURCES OFFICER
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
07/31/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock07/31/2026A610(1)A$221.399,932D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. Shares are restricted stock units issued to the Reporting Person pursuant to the OSI Systems, Inc. Amended and Restated 2012 Incentive Award Plan. Vesting and amount of shares are subject to achievement of performance targets.
/s/ Glenn Grindstaff08/04/2026
** Signature of Reporting PersonDate
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)