OSI SYSTEMS INC — DEFA14A Filings
19 DEFA14A filings on record
This page lists all DEFA14A 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 19 DEFA14A 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 |
|---|---|---|---|---|
| DEFA14A | DEFA14A | 0001104659-25-101525 | Oct 22, 2025 | — |
| DEFA14A | DEFA14A | 0001104659-24-111462 | Oct 25, 2024 | — |
| DEFA14A | DEFA14A | 0001104659-23-111813 | Oct 27, 2023 | — |
| DEFA14A | DEFA14A | 0001104659-22-111530 | Oct 26, 2022 | — |
| DEFA14A | DEFA14A | 0001104659-21-128525 | Oct 21, 2021 | — |
| DEFA14A | DEFA14A | 0001104659-20-116739 | Oct 21, 2020 | — |
| DEFA14A | DEFA14A | 0001104659-19-055582 | Oct 22, 2019 | — |
| DEFA14A | DEFA14A | 0001104659-18-063053 | Oct 19, 2018 | — |
| DEFA14A | DEFA14A | 0001104659-17-063320 | Oct 23, 2017 | — |
| DEFA14A | DEFA14A | 0001104659-16-151322 | Oct 21, 2016 | — |
| DEFA14A | DEFA14A | 0001104659-15-081785 | Nov 30, 2015 | — |
| DEFA14A | DEFA14A | 0001104659-15-071287 | Oct 19, 2015 | — |
| DEFA14A | DEFA14A | 0001104659-14-072259 | Oct 17, 2014 | — |
| DEFA14A | DEFA14A | 0001104659-13-086163 | Nov 21, 2013 | — |
| DEFA14A | DEFA14A | 0001104659-13-075559 | Oct 15, 2013 | — |
| DEFA14A | DEFA14A | 0001104659-12-070590 | Oct 23, 2012 | — |
| DEFA14A | DEFA14A | 0001104659-11-055281 | Oct 7, 2011 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001193125-10-227990 | Oct 12, 2010 | — |
| DEFA14A | NOTICE OF INTERNET AVAILABILITY | 0001193125-08-209902 | Oct 14, 2008 | — |