Michael Tropeano - 24 Aug 2026 Form 4 Insider Report for OSI SYSTEMS INC (OSIS)

Reporting relationship: PRESIDENT, RAPISCAN SYSTEMS
Issuer ticker: OSIS
Reported as of: 24 Aug 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 26 Aug 2026, 12:22:05 UTC
Prior SEC filing: 04 Aug 2026
Source filing: View source filing
Reporting owner signature: /s/ Michael Tropeano

Key filing fact

Michael Tropeano filed Form 4 for OSI SYSTEMS INC (OSIS) on 26 Aug 2026.

Key facts

This page summarizes Michael Tropeano's Form 4 filing for OSI SYSTEMS INC (OSIS).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 26 Aug 2026, 12:22.

Change

Previous filing in this sequence was filed on 04 Aug 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001505398 Primary reporting owner

Tropeano Michael

Relationship: PRESIDENT, RAPISCAN SYSTEMS
Address: 12525 CHADRON AVE., HAWTHORNE
Signature: /s/ Michael Tropeano
Signature date: 26 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

OSIS transaction

Common Stock

Award

Transaction value
Shares: +287
Change %: +6%
Price: $206.73^*
Shares after: 5,102
Date: 24 Aug 2026
Ownership: Direct
Footnotes: F1, F2

OSIS transaction

Common Stock

Tax liability

Transaction value
Shares: -99
Change %: -1.9%
Price: $206.73^*
Shares after: 5,003
Date: 24 Aug 2026
Ownership: Direct
Footnotes: F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

RSUs are issued pursuant to performance based vestings.

Footnote F2

The amount of securities beneficially owned following the reported transaction has been adjusted to reflect the reduction of 466 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.

Footnote F3

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