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 |
|---|---|---|---|---|
| 4 | OWNERSHIP DOCUMENT | 0001104659-21-109458 | Aug 25, 2021 | Aug 24, 2021 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-21-109457 | Aug 25, 2021 | Aug 24, 2021 |
| 10-K | FORM 10-K | 0001104659-21-108619 | Aug 23, 2021 | Jun 30, 2021 |
| 8-K | OSI SYSTEMS, INC. 8-K | 0001157523-21-001074 | Aug 18, 2021 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-21-091016 | Jul 12, 2021 | — |
| 4 | OWNERSHIP DOCUMENT | 0001104659-21-090768 | Jul 9, 2021 | Jul 8, 2021 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-21-090766 | Jul 9, 2021 | Jul 8, 2021 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-21-090773 | Jul 9, 2021 | Jul 8, 2021 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-21-090770 | Jul 9, 2021 | Jul 8, 2021 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-21-090771 | Jul 9, 2021 | Jul 8, 2021 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-21-090772 | Jul 9, 2021 | Jul 8, 2021 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-21-090799 | Jul 9, 2021 | Jul 8, 2021 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-21-090800 | Jul 9, 2021 | Jul 8, 2021 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-21-090801 | Jul 9, 2021 | Jul 8, 2021 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-21-090802 | Jul 9, 2021 | Jul 8, 2021 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-21-090804 | Jul 9, 2021 | Jul 8, 2021 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-21-090805 | Jul 9, 2021 | Jul 8, 2021 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-21-090806 | Jul 9, 2021 | Jul 8, 2021 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-21-090807 | Jul 9, 2021 | Jul 8, 2021 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-21-090808 | Jul 9, 2021 | Jul 8, 2021 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-21-088452 | Jul 1, 2021 | Jun 30, 2021 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-21-088453 | Jul 1, 2021 | Jun 30, 2021 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-21-088454 | Jul 1, 2021 | Jun 30, 2021 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-21-088455 | Jul 1, 2021 | Jun 30, 2021 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-21-088456 | Jul 1, 2021 | Jun 30, 2021 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-21-088466 | Jul 1, 2021 | Jun 30, 2021 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-21-088451 | Jul 1, 2021 | Jun 30, 2021 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-21-085793 | Jun 25, 2021 | Jun 24, 2021 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-21-078383 | Jun 8, 2021 | Jun 7, 2021 |
| SD | SD | 0001104659-21-067547 | May 17, 2021 | — |
| 4 | FORM 4 - | 0001179110-21-004813 | May 3, 2021 | — |
| 10-Q | FORM 10-Q | 0001104659-21-058986 | Apr 30, 2021 | Mar 31, 2021 |
| 8-K | OSI SYSTEMS, INC. 8-K | 0001157523-21-000538 | Apr 29, 2021 | — |
| UPLOAD | — | 0000000000-21-002996 | Mar 12, 2021 | — |
| 4 | FORM 4 - | 0001179110-21-003264 | Mar 11, 2021 | Mar 9, 2021 |
| CORRESP | — | 0001104659-21-034434 | Mar 10, 2021 | — |
| 4 | FORM 4 - | 0001179110-21-003186 | Mar 9, 2021 | — |
| 4 | FORM 4 - | 0001179110-21-002794 | Mar 3, 2021 | — |
| 4 | FORM 4 - | 0001179110-21-002806 | Mar 3, 2021 | Mar 2, 2021 |
| 4 | FORM 4 - | 0001179110-21-002575 | Mar 2, 2021 | — |
| 4 | FORM 4 - | 0001179110-21-002574 | Mar 2, 2021 | — |
| UPLOAD | — | 0000000000-21-002454 | Mar 2, 2021 | — |
| SC 13G/A | SEC SCHEDULE 13G | 0000354204-21-000503 | Feb 12, 2021 | — |
| SC 13G/A | JANUS HENDERSON GROUP PLC OWNS 10.2% | 0001274173-21-000063 | Feb 11, 2021 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-21-018803 | Feb 10, 2021 | — |
| 10-Q | 10-Q | 0001104659-21-009417 | Jan 29, 2021 | Dec 31, 2020 |
| S-8 | FORM S-8 | 0001104659-21-009470 | Jan 29, 2021 | — |
| 8-K | OSI SYSTEMS, INC. 8-K | 0001157523-21-000097 | Jan 28, 2021 | — |
| SC 13G/A | — | 0000834237-21-000660 | Jan 25, 2021 | — |
| 4 | FORM 4 - | 0001179110-21-000636 | Jan 14, 2021 | Dec 28, 2020 |