UNISYS CORP — DEFA14A Filings
34 DEFA14A filings on record
This page lists all DEFA14A filings submitted to the SEC by UNISYS CORP (UIS), sorted by most recent first. Each row links to the full filing on EdgarLookup. UNISYS CORP has filed 34 DEFA14A documents with the SEC since 2014. To view all SEC filings by UNISYS CORP, see the full filings list.
All
10-K
10-K/A
10-K405
10-Q
10-Q/A
11-K
144
15-15D
25
25-NSE
3
3/A
4
4/A
424B2
424B3
424B5
424B7
8-A12B
8-A12B/A
8-K
8-K/A
ARS
CERT
CERTNYS
CORRESP
DEF 14A
DEFA14A
EFFECT
FWP
NT 10-Q
POS AM
POSASR
PRE 14A
PREC14A
S-3
S-3/A
S-3ASR
S-4
S-4/A
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13E4
SC 13E4/A
SC 13G
SC 13G/A
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| DEFA14A | DEFINITIVE ADDITIONAL PROXY SOLICITING MATERIALS | 0001308179-26-000084 | Mar 16, 2026 | — |
| DEFA14A | DEFA14A | 0001104659-25-027316 | Mar 24, 2025 | — |
| DEFA14A | DEFA14A | 0001104659-24-037884 | Mar 22, 2024 | — |
| DEFA14A | DEFINITIVE ADDITIONAL PROXY SOLICITING MATERIALS | 0001308179-23-000368 | Mar 24, 2023 | — |
| DEFA14A | DEFA14A | 0001193125-22-084615 | Mar 25, 2022 | — |
| DEFA14A | DEFA14A | 0000746838-21-000046 | Apr 14, 2021 | — |
| DEFA14A | DEFA14A | 0001193125-21-078702 | Mar 12, 2021 | — |
| DEFA14A | DEFA14A | 0001193125-20-088720 | Mar 27, 2020 | — |
| DEFA14A | UNISYS CORP | 0001193125-19-092677 | Mar 29, 2019 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001193125-16-509631 | Mar 18, 2016 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001193125-15-099471 | Mar 20, 2015 | — |
| DEFA14A | DEFA14A | 0001193125-14-107510 | Mar 20, 2014 | — |
| DEFA14A | DEFA14A | 0001193125-13-118605 | Mar 21, 2013 | — |
| DEFA14A | — | 0000746838-12-000009 | Apr 20, 2012 | — |
| DEFA14A | — | 0000746838-12-000007 | Apr 9, 2012 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001193125-12-111523 | Mar 13, 2012 | — |
| DEFA14A | — | 0000746838-11-000111 | Apr 18, 2011 | — |
| DEFA14A | DEFA14A | 0000950123-11-034847 | Apr 12, 2011 | — |
| DEFA14A | — | 0000746838-11-000107 | Apr 7, 2011 | — |
| DEFA14A | DEFA14A | 0000950123-11-025978 | Mar 16, 2011 | — |
| DEFA14A | — | 0000746838-10-000104 | Apr 14, 2010 | — |
| DEFA14A | FORM DEFA14A | 0000950123-10-025672 | Mar 18, 2010 | — |
| DEFA14A | DEFA14A | 0000950133-09-001145 | Apr 16, 2009 | — |
| DEFA14A | — | 0000746838-08-000199 | Dec 8, 2008 | — |
| DEFA14A | — | 0000746838-97-000009 | Apr 11, 1997 | — |
| DEFA14A | — | 0000746838-97-000008 | Apr 11, 1997 | — |
| DEFA14A | — | 0000746838-97-000007 | Apr 9, 1997 | — |
| DEFA14A | — | 0000746838-97-000004 | Mar 25, 1997 | — |
| DEFA14A | — | 0000746838-96-000013 | Apr 24, 1996 | — |
| DEFA14A | — | 0000746838-96-000012 | Apr 11, 1996 | — |
| DEFA14A | — | 0000746838-96-000011 | Apr 9, 1996 | — |
| DEFA14A | — | 0000746838-96-000010 | Apr 9, 1996 | — |
| DEFA14A | — | 0000746838-96-000009 | Apr 5, 1996 | — |
| DEFA14A | — | 0000746838-96-000007 | Apr 2, 1996 | — |