OMNICOM GROUP INC. — S-4/A Filings
15 S-4/A filings on record
This page lists all S-4/A filings submitted to the SEC by OMNICOM GROUP INC. (OMC), sorted by most recent first. Each row links to the full filing on EdgarLookup. OMNICOM GROUP INC. has filed 15 S-4/A documents with the SEC since 2015. To view all SEC filings by OMNICOM GROUP INC., see the full filings list.
All
10-K
10-K/A
10-K405
10-Q
10-Q/A
11-K
11-K/A
144
144/A
3
4
4/A
424B2
424B3
424B5
425
5
8-A12B
8-K
ARS
CERT
CORRESP
DEF 14A
DEFA14A
DEFR14A
DEFS14A
EFFECT
FWP
NO ACT
POS AM
POSASR
PRE 14A
PRES14A
S-3
S-3/A
S-3ASR
S-4
S-4/A
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SC 14D1
SC 14D1/A
SCHEDULE 13G
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| S-4/A | S-4/A | 0001193125-25-015873 | Jan 29, 2025 | — |
| S-4/A | AMENDMENT NO. 1 TO FORM S-4 | 0000891092-00-000922 | Oct 18, 2000 | — |
| S-4/A | AMENDMENT NO. 1 TO FORM S-4 | 0000891092-00-000915 | Oct 17, 2000 | — |
| S-4/A | PRE-EFFECTIVE AMENDMENT NO. 4 TO FORM S-4 | 0000891092-96-000073 | May 8, 1996 | — |
| S-4/A | PRE-EFFECTIVE AMENDMENT NO. 3 TO FORM S-4 | 0000891092-96-000071 | May 7, 1996 | — |
| S-4/A | PRE-EFFECTIVE AMENDMENT NO. 2 TO FORM S-4 | 0000891092-96-000063 | Apr 30, 1996 | — |
| S-4/A | PRE-EFFECTIVE AMENDMENT NO. 1 TO FORM S-4 | 0000891092-96-000059 | Apr 18, 1996 | — |
| S-4/A | AMENDMENT NO. 3 TO FORM S-4 | 0000891092-95-000133 | Aug 9, 1995 | — |
| S-4/A | AMENDMENT NO. 3 TO FORM S-4 | 0000891092-95-000132 | Aug 8, 1995 | — |
| S-4/A | AMENDMENT NO. 2 TO FORM S-4 | 0000891092-95-000131 | Aug 8, 1995 | — |
| S-4/A | AMENDMENT NO. 2 TO FORM S-4 | 0000891092-95-000128 | Aug 7, 1995 | — |
| S-4/A | AMENDMENT NO. 3 | 0000891092-95-000126 | Aug 3, 1995 | — |
| S-4/A | AMENDMENT NO. 2 | 0000891092-95-000124 | Aug 1, 1995 | — |
| S-4/A | AMENDMENT NO. 1 TO FORM S-4 | 0000891092-95-000122 | Jul 26, 1995 | — |
| S-4/A | AMENDMENT NO. 1 | 0000891092-95-000119 | Jul 21, 1995 | — |