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: 55
Latest filed: Aug 26, 2026
| Form | Count |
|---|---|
| 4 | 45 |
| SCHEDULE 13G/A | 4 |
| SCHEDULE 13G | 3 |
| 8-K | 2 |
| 144 | 1 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| Aug 26, 2026 | 4 | Aug 24, 2026 | 0001505398-26-000009 | View |
| Aug 26, 2026 | 4 | Aug 24, 2026 | 0001286090-26-000009 | View |
| Aug 26, 2026 | 4 | Aug 24, 2026 | 0001584218-26-000012 | View |
| Aug 26, 2026 | 4 | Aug 24, 2026 | 0001628328-26-000009 | View |
| Aug 25, 2026 | 4 | Aug 24, 2026 | 0001047059-26-000009 | View |
| Aug 25, 2026 | 4 | Aug 24, 2026 | 0001804609-26-000007 | View |
| Aug 25, 2026 | 4 | Aug 24, 2026 | 0001195340-26-000010 | View |
| Aug 25, 2026 | 4 | Aug 24, 2026 | 0001047058-26-000013 | View |
| Aug 25, 2026 | 4 | Aug 22, 2026 | 0001584218-26-000010 | View |
| Aug 21, 2026 | 4 | Aug 20, 2026 | 0000898243-26-000021 | View |
| Aug 21, 2026 | 4 | Aug 20, 2026 | 0001047058-26-000011 | View |
| Aug 21, 2026 | 4 | Aug 20, 2026 | 0001134261-26-000011 | View |
| Aug 21, 2026 | 4 | Aug 20, 2026 | 0001795924-26-000011 | View |
| Aug 20, 2026 | 8-K | Aug 20, 2026 | 0001104659-26-099215 | View |
| Aug 17, 2026 | 4 | Aug 14, 2026 | 0000898243-26-000019 | View |
| Aug 17, 2026 | 4 | Aug 14, 2026 | 0001795924-26-000009 | View |
| Aug 17, 2026 | 4 | Aug 14, 2026 | 0001134261-26-000009 | View |
| Aug 13, 2026 | SCHEDULE 13G | — | 0001274173-26-000190 | View |
| Aug 06, 2026 | SCHEDULE 13G/A | — | 0000315066-26-002112 | View |
| Aug 04, 2026 | 4 | Jul 31, 2026 | 0001804609-26-000005 | View |
| Aug 04, 2026 | 4 | Jul 31, 2026 | 0001584218-26-000008 | View |
| Aug 04, 2026 | 4 | Jul 31, 2026 | 0001505398-26-000007 | View |
| Aug 04, 2026 | 4 | Jul 31, 2026 | 0001628328-26-000007 | View |
| Aug 04, 2026 | 4 | Jul 31, 2026 | 0001338283-26-000010 | View |
| Aug 04, 2026 | 4 | Jul 31, 2026 | 0001047059-26-000007 | View |
| Aug 04, 2026 | 4 | Jul 31, 2026 | 0001195340-26-000008 | View |
| Aug 04, 2026 | 4 | Jul 31, 2026 | 0001286090-26-000007 | View |
| Jul 31, 2026 | SCHEDULE 13G | — | 0002100119-26-001492 | View |
| Jul 29, 2026 | 4 | Jul 28, 2026 | 0000898243-26-000017 | View |
| Jul 29, 2026 | 4 | Jul 28, 2026 | 0001134261-26-000007 | View |
| Jul 29, 2026 | 4 | Jul 28, 2026 | 0001795924-26-000007 | View |
| Jul 21, 2026 | 4 | Jul 20, 2026 | 0001047058-26-000009 | View |
| Jul 21, 2026 | 4 | Jul 20, 2026 | 0001490925-26-000003 | View |
| Jul 21, 2026 | 4 | Jul 20, 2026 | 0000898243-26-000015 | View |
| Jul 21, 2026 | 4 | Jul 20, 2026 | 0001134261-26-000005 | View |
| Jul 21, 2026 | 4 | Jul 20, 2026 | 0001795924-26-000005 | View |
| Jul 07, 2026 | 4 | Jul 06, 2026 | 0001795924-26-000003 | View |
| Jul 07, 2026 | 4 | Jul 06, 2026 | 0000898243-26-000013 | View |
| Jul 07, 2026 | 4 | Jul 06, 2026 | 0001134261-26-000003 | View |
| Jul 01, 2026 | 4 | Jun 30, 2026 | 0001047059-26-000005 | View |
| Jul 01, 2026 | 4 | Jun 30, 2026 | 0001195340-26-000006 | View |
| Jul 01, 2026 | 4 | Jun 30, 2026 | 0001505398-26-000005 | View |
| Jul 01, 2026 | 4 | Jun 30, 2026 | 0001286090-26-000005 | View |
| Jul 01, 2026 | 4 | Jun 30, 2026 | 0001584218-26-000006 | View |
| Jul 01, 2026 | 4 | Jun 30, 2026 | 0001804609-26-000003 | View |
| Jul 01, 2026 | 4 | Jun 30, 2026 | 0001628328-26-000005 | View |
| Jul 01, 2026 | 4 | Jun 30, 2026 | 0001338283-26-000008 | View |
| 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 |