Real time Form 13D and 13G transaction reports:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
- Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2026-08-13 12:30 pm Purchase | 2026-06-30 | 13G | OSI SYSTEMS INC OSIS | JANUS HENDERSON GROUP Ltd. JHG | 905,925 5.500% | 133,611 (+17.30%) | Filing History |
| 2026-08-06 10:38 am Sale | 2026-06-30 | 13G | OSI SYSTEMS INC OSIS | FMR LLC | 1,784,216 10.800% | -300,199 (-14.40%) | Filing History |
| 2026-07-31 10:46 am Purchase | 2026-06-30 | 13G | OSI SYSTEMS INC OSIS | VANGUARD CAPITAL MANAGEMENT LLC | 824,510 5.000% | 824,510 (New Position) | Filing History |
| 2026-05-15 11:23 am Sale | 2026-03-31 | 13G | OSI SYSTEMS INC OSIS | JANUS HENDERSON GROUP Ltd. JHG | 772,314 4.700% | -227,977 (-22.79%) | Filing History |
| 2026-05-06 11:35 am Purchase | 2026-03-31 | 13G | OSI SYSTEMS INC OSIS | FMR LLC | 2,084,415 12.600% | 380,555 (+22.33%) | Filing History |
| 2026-04-29 2:50 pm Purchase | 2026-03-31 | 13G | OSI SYSTEMS INC OSIS | VANGUARD PORTFOLIO MANAGEMENT LLC | 1,263,421 7.660% | 1,263,421 (New Position) | Filing History |
| 2026-03-27 11:08 am Sale | 2026-03-13 | 13G | OSI SYSTEMS INC OSIS | VANGUARD GROUP INC | 0 0.000% | -2,097,875 (Position Closed) | Filing History |
| 2026-02-11 3:13 pm Sale | 2025-12-31 | 13G | OSI SYSTEMS INC OSIS | Mawer Investment Management Ltd. | 803,602 4.730% | -52,781 (-6.16%) | Filing History |
| 2026-01-08 09:09 am Purchase | 2025-12-31 | 13G | OSI SYSTEMS INC OSIS | FMR LLC | 1,703,860 10.000% | 468,549 (+37.93%) | Filing History |
| 2025-11-14 12:40 pm Sale | 2025-09-30 | 13G | OSI SYSTEMS INC OSIS | JANUS HENDERSON GROUP Ltd. JHG | 1,000,291 5.900% | -52,435 (-4.98%) | Filing History |
| 2025-11-12 11:37 am Purchase | 2025-09-30 | 13G | OSI SYSTEMS INC OSIS | Mawer Investment Management Ltd. | 856,383 5.090% | 856,383 (New Position) | Filing History |
| 2025-08-14 11:42 am Sale | 2025-06-30 | 13G | OSI SYSTEMS INC OSIS | JANUS HENDERSON GROUP Ltd. JHG | 1,052,726 6.300% | -182,872 (-14.80%) | Filing History |
| 2025-07-18 8:39 pm Sale | 2025-06-30 | 13G | OSI SYSTEMS INC OSIS | BlackRock Inc. BLK | 2,389,828 14.200% | -254,562 (-9.63%) | Filing History |
| 2025-05-14 12:26 pm Purchase | 2025-03-31 | 13G | OSI SYSTEMS INC OSIS | JANUS HENDERSON GROUP Ltd. JHG | 1,235,598 7.400% | 4,793 (+0.39%) | Filing History |
| 2025-05-12 10:39 am Purchase | 2025-03-31 | 13G | OSI SYSTEMS INC OSIS | FMR LLC | 1,235,311 7.300% | 387,404 (+45.69%) | Filing History |
| 2025-02-14 12:22 pm Purchase | 2024-12-31 | 13G | OSI SYSTEMS INC OSIS | JANUS HENDERSON GROUP Ltd. JHG | 1,230,805 7.400% | 21,637 (+1.79%) | Filing History |
| 2025-02-12 09:25 am Purchase | 2024-12-31 | 13G | OSI SYSTEMS INC OSIS | FMR LLC | 847,907 5.100% | 847,907 (New Position) | Filing History |
| 2024-11-14 2:54 pm Sale | 2024-09-30 | 13G | OSI SYSTEMS INC OSIS | JANUS HENDERSON GROUP Ltd. JHG | 1,209,168 7.300% | -21,038 (-1.71%) | Filing History |
| 2024-02-13 5:12 pm Purchase | 2023-12-29 | 13G | OSI SYSTEMS INC OSIS | VANGUARD GROUP INC | 2,097,875 12.350% | 235,335 (+12.64%) | Filing History |
| 2024-02-13 3:46 pm Sale | 2023-12-31 | 13G | OSI SYSTEMS INC OSIS | JANUS HENDERSON GROUP Ltd. JHG | 1,230,206 7.200% | -602,126 (-32.86%) | Filing History |