OSI SYSTEMS INC - OSIS
All tracked SEC files for this issuer. Showing up to 200 latest records.
Need parsed ownership details (13D/13G with shares/percent)?
Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).
Files summary
Total files loaded: 26
Latest filed: May 15, 2026
| Form | Count |
|---|---|
| 4 | 15 |
| SCHEDULE 13G/A | 5 |
| 8-K | 3 |
| 144 | 2 |
| SCHEDULE 13G | 1 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| May 15, 2026 | SCHEDULE 13G/A | — | 0001274173-26-000120 | View |
| May 06, 2026 | SCHEDULE 13G/A | — | 0000315066-26-001287 | View |
| May 05, 2026 | 4 | May 04, 2026 | 0001047058-26-000006 | View |
| May 04, 2026 | 144 | — | 0001950047-26-003989 | View |
| May 04, 2026 | 8-K | May 04, 2026 | 0001104659-26-054857 | View |
| Apr 29, 2026 | SCHEDULE 13G | — | 0002100121-26-000627 | View |
| Apr 24, 2026 | 4 | Apr 23, 2026 | 0001338283-26-000004 | View |
| Mar 27, 2026 | SCHEDULE 13G/A | — | 0000102909-26-001991 | View |
| Feb 11, 2026 | SCHEDULE 13G/A | — | 0000945621-26-000276 | View |
| Feb 04, 2026 | 4 | Feb 02, 2026 | 0001047058-26-000004 | View |
| Feb 02, 2026 | 144 | — | 0001950047-26-000810 | View |
| Jan 29, 2026 | 8-K | Jan 29, 2026 | 0001104659-26-007970 | View |
| Jan 08, 2026 | SCHEDULE 13G/A | — | 0000315066-26-000035 | View |
| Jan 02, 2026 | 4 | Dec 31, 2025 | 0001047059-26-000002 | View |
| Jan 02, 2026 | 4 | Dec 31, 2025 | 0001195340-26-000002 | View |
| Jan 02, 2026 | 4 | Dec 31, 2025 | 0001584218-26-000002 | View |
| Jan 02, 2026 | 4 | Dec 31, 2025 | 0001047058-26-000002 | View |
| Jan 02, 2026 | 4 | Dec 31, 2025 | 0001505398-26-000002 | View |
| Jan 02, 2026 | 4 | Dec 31, 2025 | 0001628328-26-000002 | View |
| Jan 02, 2026 | 4 | Dec 31, 2025 | 0001286090-26-000002 | View |
| Jan 02, 2026 | 4 | Dec 31, 2025 | 0001338283-26-000002 | View |
| Dec 29, 2025 | 4 | Dec 23, 2025 | 0001195340-25-000005 | View |
| Dec 16, 2025 | 4 | Dec 12, 2025 | 0001286090-25-000004 | View |
| Dec 16, 2025 | 4 | Dec 13, 2025 | 0000898243-25-000031 | View |
| Dec 12, 2025 | 4 | Dec 11, 2025 | 0001047059-25-000004 | View |
| Dec 11, 2025 | 8-K | Dec 11, 2025 | 0001104659-25-120300 | View |