OSI SYSTEMS INC — All Filings
1,002 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
All
10-K
10-K/A
10-Q
144
3
3/A
4
4/A
424A
424B1
424B3
5
5/A
8-A12G
8-A12G/A
8-K
8-K/A
8-K12G3
ARS
CORRESP
CT ORDER
DEF 14A
DEFA14A
DEFR14A
EFFECT
NT 10-K
NT 10-Q
POS AM
PRE 14A
S-1
S-1/A
S-3
S-3/A
S-8
S-8 POS
SC 13G
SC 13G/A
SC 14N
SC TO-C
SCHEDULE 13G
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SCHEDULE 13G/A | — | 0000102909-26-001991 | Mar 27, 2026 | — |
| SD | FORM SD | 0001104659-26-033292 | Mar 23, 2026 | — |
| SCHEDULE 13G/A | — | 0000945621-26-000276 | Feb 11, 2026 | — |
| 4 | — | 0001047058-26-000004 | Feb 4, 2026 | Feb 2, 2026 |
| 144 | — | 0001950047-26-000810 | Feb 2, 2026 | — |
| 10-Q | 10-Q | 0001104659-26-008109 | Jan 29, 2026 | Dec 31, 2025 |
| 8-K | FORM 8-K | 0001104659-26-007970 | Jan 29, 2026 | — |
| SCHEDULE 13G/A | — | 0000315066-26-000035 | Jan 8, 2026 | — |
| 4 | — | 0001338283-26-000002 | Jan 2, 2026 | Dec 31, 2025 |
| 4 | — | 0001286090-26-000002 | Jan 2, 2026 | Dec 31, 2025 |
| 4 | — | 0001628328-26-000002 | Jan 2, 2026 | Dec 31, 2025 |
| 4 | — | 0001505398-26-000002 | Jan 2, 2026 | Dec 31, 2025 |
| 4 | — | 0001047058-26-000002 | Jan 2, 2026 | Dec 31, 2025 |
| 4 | — | 0001584218-26-000002 | Jan 2, 2026 | Dec 31, 2025 |
| 4 | — | 0001195340-26-000002 | Jan 2, 2026 | Dec 31, 2025 |
| 4 | — | 0001047059-26-000002 | Jan 2, 2026 | Dec 31, 2025 |
| 4 | — | 0001195340-25-000005 | Dec 29, 2025 | Dec 23, 2025 |
| 4 | — | 0000898243-25-000031 | Dec 16, 2025 | Dec 13, 2025 |
| 4 | — | 0001286090-25-000004 | Dec 16, 2025 | Dec 12, 2025 |
| 4 | — | 0001047059-25-000004 | Dec 12, 2025 | Dec 11, 2025 |
| 8-K | FORM 8-K | 0001104659-25-120300 | Dec 11, 2025 | — |
| 4 | — | 0001338283-25-000006 | Dec 4, 2025 | Dec 2, 2025 |
| 4 | — | 0001584218-25-000004 | Nov 25, 2025 | Nov 22, 2025 |
| 8-K | FORM 8-K | 0001104659-25-114644 | Nov 20, 2025 | — |
| 8-K | FORM 8-K | 0001104659-25-113487 | Nov 18, 2025 | Nov 17, 2025 |
| 8-K | FORM 8-K | 0001104659-25-112952 | Nov 17, 2025 | — |
| SCHEDULE 13G/A | — | 0001274173-25-000310 | Nov 14, 2025 | — |
| 4 | — | 0001047058-25-000008 | Nov 12, 2025 | Nov 10, 2025 |
| SCHEDULE 13G | — | 0000945621-25-001058 | Nov 12, 2025 | — |
| 144 | — | 0001950047-25-008640 | Nov 10, 2025 | — |
| 4 | — | 0001628328-25-000006 | Nov 7, 2025 | — |
| 4 | — | 0000898243-25-000008 | Nov 7, 2025 | — |
| 144 | — | 0001950047-25-008560 | Nov 7, 2025 | — |
| 144 | — | 0001950047-25-008559 | Nov 7, 2025 | — |
| 4 | — | 0001490925-25-000006 | Nov 6, 2025 | Nov 4, 2025 |
| 10-Q | 10-Q | 0001104659-25-104478 | Oct 30, 2025 | Sep 30, 2025 |
| 8-K | FORM 8-K | 0001104659-25-104361 | Oct 30, 2025 | — |
| ARS | ARS | 0001104659-25-101527 | Oct 22, 2025 | Jun 30, 2025 |
| DEFA14A | DEFA14A | 0001104659-25-101525 | Oct 22, 2025 | — |
| DEF 14A | DEF 14A | 0001104659-25-101517 | Oct 22, 2025 | Dec 11, 2025 |
| 4 | — | 0001628328-25-000004 | Oct 14, 2025 | Oct 10, 2025 |
| 4 | — | 0001047058-25-000006 | Oct 2, 2025 | Oct 1, 2025 |
| 144 | — | 0001950047-25-007667 | Oct 1, 2025 | — |
| 4 | — | 0001047058-25-000004 | Sep 22, 2025 | Sep 19, 2025 |
| 4 | — | 0001490925-25-000004 | Sep 15, 2025 | Sep 12, 2025 |
| 144 | — | 0001950047-25-007041 | Sep 12, 2025 | — |
| 4 | — | 0001415889-25-023823 | Sep 5, 2025 | Sep 4, 2025 |
| 144 | — | 0001950047-25-006740 | Sep 4, 2025 | — |
| 4 | — | 0001415889-25-023265 | Aug 28, 2025 | Aug 26, 2025 |
| 4 | — | 0001415889-25-023264 | Aug 28, 2025 | Aug 26, 2025 |