OSI SYSTEMS INC — SC 13G/A Filings
96 SC 13G/A filings on record
This page lists all SC 13G/A filings submitted to the SEC by OSI SYSTEMS INC (OSIS), sorted by most recent first. Each row links to the full filing on EdgarLookup. OSI SYSTEMS INC has filed 96 SC 13G/A documents with the SEC since 2014. To view all SEC filings by OSI SYSTEMS INC, see the full filings list.
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 |
|---|---|---|---|---|
| SC 13G/A | JANUS AMENDMENT | 0001274173-24-000128 | Nov 14, 2024 | — |
| SC 13G/A | JHG PLC OWNS >5% | 0001274173-24-000051 | Feb 13, 2024 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-24-021648 | Feb 13, 2024 | — |
| SC 13G/A | — | 0001086364-24-001138 | Jan 22, 2024 | — |
| SC 13G/A | JHG PLC OWNS >5% | 0001274173-23-000065 | Feb 10, 2023 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-23-016654 | Feb 9, 2023 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-22-018262 | Feb 10, 2022 | — |
| SC 13G/A | JANUS HENDERSON GROUP PLC OWNS >5% | 0001274173-22-000045 | Feb 10, 2022 | — |
| SC 13G/A | — | 0000834237-22-002357 | Jan 27, 2022 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-21-091016 | Jul 12, 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 | — |
| SC 13G/A | — | 0000834237-21-000660 | Jan 25, 2021 | — |
| SC 13G/A | JANUS HENDERSON GROUP PLC OWNS 10% OF OSI | 0001274173-20-000105 | Apr 9, 2020 | — |
| SC 13G/A | JANUS HENDERSON GROUP PLC OWNS 9.9% OF OSI | 0001274173-20-000043 | Feb 13, 2020 | — |
| SC 13G/A | NONE | 0001567619-20-003134 | Feb 13, 2020 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-20-017279 | Feb 12, 2020 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001258897-20-001211 | Feb 12, 2020 | — |
| SC 13G/A | — | 0000834237-20-008687 | Feb 10, 2020 | — |
| SC 13G/A | OSI SYSTEMS, INC. - 07/31/2019 | 0001102578-19-000033 | Aug 12, 2019 | — |
| SC 13G/A | — | 0000932471-19-006821 | Apr 8, 2019 | — |
| SC 13G/A | OSI SYSTEMS, INC. - 12/31/2018 | 0001102578-19-000016 | Feb 14, 2019 | — |
| SC 13G/A | JANUS HENDERSON GROUP PLC ANNUAL AMENDMENT | 0001274173-19-000066 | Feb 12, 2019 | — |
| SC 13G/A | — | 0000215457-19-007301 | Feb 11, 2019 | — |
| SC 13G/A | — | 0000932471-19-005720 | Feb 11, 2019 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001258897-19-001463 | Feb 8, 2019 | — |
| SC 13G/A | — | 0000932471-18-006158 | Jun 11, 2018 | — |
| SC 13G/A | OSI SYSTEMS, INC. - 12/31/2017 | 0001102578-18-000013 | Feb 14, 2018 | — |
| SC 13G/A | JCM CLOSEOUT LETTER BECAUSE JCM MERGED WITH JANUS HENDERSON GROUP PLC | 0000812295-18-000047 | Feb 13, 2018 | — |
| SC 13G/A | — | 0000932471-18-003991 | Feb 9, 2018 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001258897-18-001471 | Feb 9, 2018 | — |
| SC 13G/A | — | 0000215457-18-005094 | Feb 8, 2018 | — |
| SC 13G/A | OSI SYSTEMS, INC. - 4/30/2017 | 0001102578-17-000036 | May 9, 2017 | — |
| SC 13G/A | OSI SYSTEMS, INC. - 3/31/2017 | 0001102578-17-000032 | Apr 10, 2017 | — |
| SC 13G/A | OSI SYSTEMS, INC. - 2/28/2017 | 0001102578-17-000025 | Mar 10, 2017 | — |
| SC 13G/A | OSIS | 0000812295-17-000075 | Feb 13, 2017 | — |
| SC 13G/A | — | 0000932471-17-001111 | Feb 10, 2017 | — |
| SC 13G/A | — | 0000215457-17-000813 | Jan 17, 2017 | — |
| SC 13G/A | OSI SYSTEMS, INC. - 12/31/2016 | 0001102578-17-000005 | Jan 10, 2017 | — |
| SC 13G/A | OSIS SC13G/A | 0001086318-16-000036 | Feb 16, 2016 | — |
| SC 13G/A | — | 0000932471-16-011933 | Feb 11, 2016 | — |
| SC 13G/A | — | 0000215457-16-001664 | Jan 8, 2016 | — |
| SC 13G/A | — | 0000919574-15-002051 | Feb 17, 2015 | — |
| SC 13G/A | — | 0000932471-15-005103 | Feb 11, 2015 | — |
| SC 13G/A | — | 0001086364-15-000150 | Jan 9, 2015 | — |
| SC 13G/A | — | 0000932471-14-004451 | Feb 12, 2014 | — |
| SC 13G/A | — | 0001086364-14-000130 | Jan 10, 2014 | — |
| SC 13G/A | — | 0001086364-13-004292 | Nov 7, 2013 | — |
| SC 13G/A | — | 0000932471-13-002677 | Feb 11, 2013 | — |