OSI SYSTEMS INC (OSIS) Insider Trading & SEC Filings
Last SEC filing
OSI SYSTEMS INC (OSIS) has filed 19 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-29. InsiderAlpha tracks every OSIS SEC filing - Form 4, Form 144, and 8-K - in real time, including Rule 10b5-1 plan detection.
About OSI SYSTEMS INC (OSIS)
OSI SYSTEMS INC trades under the ticker OSIS. InsiderAlpha tracks 94 primary SEC Form 4 filings from 15 reporting insiders for OSIS since 2024, sourced directly from SEC EDGAR.
| Sector | Information Technology insider trading |
|---|---|
| SIC classification | Semiconductors & Related Devices (SIC 3674) |
| SEC CIK | 0001039065 |
90-Day SEC Filing Activity
| Form 4 filings (90d) | 19 |
|---|---|
| Latest Form 4 filing | 2026-07-29 |
Recent OSIS Insider Transactions (Form 4)
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Kelli Bernard | Director | F - Tax withholding / forfeiture | 149 | $217.30 | $32K | SEC | |
| Gerald M. Chizever | Director | F - Tax withholding / forfeiture | 166 | $217.30 | $36K | SEC | |
| James B. Hawkins | Director | F - Tax withholding / forfeiture | 170 | $217.30 | $37K | SEC | |
| Kelli Bernard | Insider | A - Grant or award | 924 | $216.65 | $200K | SEC | |
| Deepak Chopra | Insider | A - Grant or award | 924 | $216.65 | $200K | SEC | |
| William Francis Ballhaus Jr. | Insider | A - Grant or award | 924 | $216.65 | $200K | SEC | |
| Gerald M. Chizever | Insider | A - Grant or award | 924 | $216.65 | $200K | SEC | |
| James B. Hawkins | Insider | A - Grant or award | 924 | $216.65 | $200K | SEC | |
| James B. Hawkins | Insider | F - Tax withholding / forfeiture | 231 | $221.76 | $51K | SEC | |
| Gerald M. Chizever | Insider | F - Tax withholding / forfeiture | 231 | $221.76 | $51K | SEC | |
| Kelli Bernard | Insider | F - Tax withholding / forfeiture | 202 | $221.76 | $45K | SEC | |
| Victor S. Sze | GENERAL COUNSEL | A - Grant or award | 75 | $140.61 | $11K | SEC | |
| Michael Tropeano | PRESIDENT, RAPISCAN SYSTEMS | A - Grant or award | 75 | $140.61 | $11K | SEC | |
| Cary M. Okawa | CHIEF ACCOUNTING OFFICER | A - Grant or award | 28 | $185.90 | $5K | SEC | |
| W. Paul Constantine | PRES., SPACELABS HEALTHCARE | A - Grant or award | 55 | $185.90 | $10K | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for OSI SYSTEMS INC (OSIS). Updated in real time as new filings are submitted to the SEC.
Most-Active OSIS Insiders - Last 90 Days
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Gerald M. Chizever | 3 | $287K |
| James B. Hawkins | 3 | $288K |
| Kelli Bernard | 3 | $277K |
| Ajay Mehra | 1 | $11K |
| Cary M. Okawa | 1 | $5K |
Recent OSIS Form 8-K Material Events
- - Item 2.02, 9.01 [SEC]
Recent OSIS Form 144 Notices of Proposed Sale
- - - [SEC]
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
Recent Insider Filings
- - Kelli Bernard (Director)
- - Gerald M. Chizever (Director)
- - James B. Hawkins (Director)
- - Kelli Bernard (Insider)
- - Gerald M. Chizever (Insider)
Form 4 Transaction Code Reference
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in OSIS insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
OSIS Insider Trading - FAQ
- What is the latest insider trade for OSIS?
- OSI SYSTEMS INC (OSIS) had 19 insider filings in the last 90 days, with the most recent on 2026-07-29. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
- How many insiders are buying OSIS stock?
- 0 insider purchases of OSIS were filed in the last 90 days.
- How many insiders are selling OSIS stock?
- 0 insider sales of OSIS were filed in the last 90 days.
- Where can I see OSIS SEC filings (Form 4, 10-K, 10-Q, 8-K)?
- This page tracks OSIS Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Learn More
- What is SEC Form 4?
- How to read insider buying signals
- Rule 10b5-1 trading plans explained
- The cluster buying signal
Open the live OSIS dashboard on InsiderAlpha for real-time alerts, charting, and full historical filing search.