SEC Form 4 · Updated Daily
OSIS
— OSI SYSTEMS, INC. OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| EDRICK ALAN I | Director | 325,915 | 2026-08-24 | A |
| CHOPRA DEEPAK | Director | 274,218 | 2026-08-24 | A |
| MEHRA AJAY | Director · Officer | 131,881 | 2026-08-24 | A |
| SZE VICTOR S | Officer | 110,606 | 2026-08-24 | A |
| ALIABADI MANOOCHER M | Officer | 78,094 | 2024-12-13 | S |
| Ong Chee Cheong Nicholas | Officer | 57,112 | 2016-02-10 | F |
| Bider Leslie E | Director | 33,188 | 2010-07-22 | A |
| GOOD STEVEN C | Director | 20,388 | 2022-07-06 | A |
| WADHAWAN ANJU | Reporting Owner | 17,060 | 2006-09-18 | M |
| Feinberg David T | Director | 15,400 | 2014-07-24 | A |
| Merritt Richard Edward | Officer | 14,861 | 2018-07-24 | F |
| Maginnis Malcolm Peter | Officer | 12,628 | 2022-08-26 | S |
| Grindstaff Glenn | Officer | 11,901 | 2026-08-24 | A |
| LUSKIN MEYER/ | Director | 11,684 | 2025-08-20 | A |
| Morben Paul Keith | Officer | 11,386 | 2026-08-24 | A |
| Chin Pak Khong | Officer | 11,037 | 2016-09-08 | A |
| Bernard Kelli | Director | 10,781 | 2026-08-20 | F |
| Chandra Shalabh | Officer | 9,298 | 2024-12-31 | A |
| Kumar Sujit Shamsunder | Officer | 7,524 | 2017-09-20 | A |
| HAWKINS JAMES B | Director | 5,295 | 2026-08-20 | F |
| Tropeano Michael | Officer | 5,102 | 2026-08-24 | A |
| Okawa Cary M. | Officer | 4,764 | 2026-08-24 | A |
| Thompson Michael Shawn | Officer | 4,696 | 2019-09-18 | A |
| Ballhaus William Francis JR | Director | 4,102 | 2026-07-20 | A |
| Green James W | Director · Officer | 3,831 | 2019-07-05 | F |
| Cegielski Deborah Lee | Officer | 2,819 | 2019-12-31 | A |
| CHIZEVER GERALD M | Director | 2,696 | 2026-08-20 | F |
| Constantine W Paul | Officer | 2,049 | 2026-07-31 | A |
| VISWANATHAN CHAND R | Reporting Owner | 0 | 2010-03-08 | S |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-08-24 | CHOPRA DEEPAK | Tax withholding | 23,540 | $206.73 | 250,194 |
| 2026-08-24 | CHOPRA DEEPAK | Grant / award | 20,403 | $206.73 | 274,218 |
| 2026-08-24 | EDRICK ALAN I | Tax withholding | 19,377 | $206.73 | 306,538 |
| 2026-08-24 | EDRICK ALAN I | Grant / award | 21,871 | $206.73 | 325,915 |
| 2026-08-24 | Grindstaff Glenn | Tax withholding | 1,708 | $206.73 | 10,193 |
| 2026-08-24 | Grindstaff Glenn | Grant / award | 1,969 | $206.73 | 11,901 |
| 2026-08-24 | MEHRA AJAY | Tax withholding | 19,986 | $206.73 | 111,895 |
| 2026-08-24 | MEHRA AJAY | Grant / award | 20,073 | $206.73 | 131,881 |
| 2026-08-24 | Morben Paul Keith | Tax withholding | 1,331 | $206.73 | 9,915 |
| 2026-08-24 | Morben Paul Keith | Grant / award | 1,083 | $206.73 | 11,386 |
| 2026-08-24 | Okawa Cary M. | Tax withholding | 460 | $206.73 | 4,304 |
| 2026-08-24 | Okawa Cary M. | Grant / award | 908 | $206.73 | 4,764 |
| 2026-08-24 | SZE VICTOR S | Tax withholding | 14,999 | $206.73 | 95,607 |
| 2026-08-24 | SZE VICTOR S | Grant / award | 16,845 | $206.73 | 110,606 |
| 2026-08-24 | Tropeano Michael | Tax withholding | 99 | $206.73 | 5,003 |
| 2026-08-24 | Tropeano Michael | Grant / award | 287 | $206.73 | 5,102 |
| 2026-08-22 | Okawa Cary M. | Tax withholding | 118 | $206.73 | 3,856 |
| 2026-08-20 | Bernard Kelli | Tax withholding | 78 | $220.92 | 10,781 |
| 2026-08-20 | CHIZEVER GERALD M | Tax withholding | 88 | $220.92 | 2,696 |
| 2026-08-20 | CHOPRA DEEPAK | Tax withholding | 153 | $220.92 | 253,815 |
| 2026-08-20 | HAWKINS JAMES B | Tax withholding | 90 | $220.92 | 5,295 |
| 2026-08-14 | Bernard Kelli | Tax withholding | 126 | $228.56 | 10,859 |
| 2026-08-14 | CHIZEVER GERALD M | Tax withholding | 141 | $228.56 | 2,914 |
| 2026-08-14 | HAWKINS JAMES B | Tax withholding | 144 | $228.56 | 5,385 |
| 2026-07-31 | Grindstaff Glenn | Grant / award | 610 | $221.39 | 9,932 |
| 2026-07-31 | Okawa Cary M. | Grant / award | 632 | $221.39 | 3,974 |
| 2026-07-31 | Tropeano Michael | Grant / award | 1,694 | $221.39 | 5,281 |
| 2026-07-31 | Morben Paul Keith | Grant / award | 1,491 | $221.39 | 10,303 |
| 2026-07-31 | Constantine W Paul | Grant / award | 610 | $221.39 | 2,049 |
| 2026-07-31 | MEHRA AJAY | Grant / award | 13,551 | $221.39 | 111,808 |
| 2026-07-31 | EDRICK ALAN I | Grant / award | 8,514 | $221.39 | 304,044 |
| 2026-07-31 | SZE VICTOR S | Grant / award | 6,437 | $221.39 | 93,761 |
| 2026-07-28 | HAWKINS JAMES B | Tax withholding | 170 | $217.30 | 5,544 |
| 2026-07-28 | CHIZEVER GERALD M | Tax withholding | 166 | $217.30 | 3,265 |
| 2026-07-28 | Bernard Kelli | Tax withholding | 149 | $217.30 | 10,985 |
| 2026-07-20 | CHOPRA DEEPAK | Grant / award | 924 | $216.65 | 253,968 |
| 2026-07-20 | Ballhaus William Francis JR | Grant / award | 924 | $216.65 | 4,102 |
| 2026-07-20 | HAWKINS JAMES B | Grant / award | 924 | $216.65 | 5,714 |
| 2026-07-20 | CHIZEVER GERALD M | Grant / award | 924 | $216.65 | 3,679 |
| 2026-07-20 | Bernard Kelli | Grant / award | 924 | $216.65 | 11,134 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.