Merck & Co., Inc. — 4/A Filings
21 4/A filings on record
This page lists all 4/A filings submitted to the SEC by Merck & Co., Inc. (MRK), sorted by most recent first. Each row links to the full filing on EdgarLookup. Merck & Co., Inc. has filed 21 4/A documents with the SEC since 2017. To view all SEC filings by Merck & Co., Inc., see the full filings list.
All
10-K
10-K/A
10-K405
10-Q
10-Q/A
11-K
13F-HR
144
144/A
25-NSE
3
3/A
4
4/A
424B2
424B3
424B5
425
5
8-A12B
8-A12B/A
8-K
8-K/A
ARS
CERT
CERTNYS
CORRESP
CT ORDER
DEF 14A
DEFA14A
EFFECT
FWP
NO ACT
POSASR
PRE 14A
PX14A6G
S-3
S-3/A
S-3ASR
S-3MEF
S-4
S-4/A
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SC TO-C
SC TO-T
SC TO-T/A
SCHEDULE 13G
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 4/A | PRIMARY DOCUMENT | 0001127602-25-013170 | May 2, 2025 | Apr 29, 2025 |
| 4/A | PRIMARY DOCUMENT | 0001127602-25-013165 | May 2, 2025 | Apr 29, 2025 |
| 4/A | PRIMARY DOCUMENT | 0001127602-19-034976 | Dec 16, 2019 | May 3, 2019 |
| 4/A | — | 0001225208-18-001321 | Jan 19, 2018 | Jan 12, 2018 |
| 4/A | — | 0001225208-17-014710 | Sep 6, 2017 | Aug 4, 2016 |
| 4/A | — | 0001225208-17-007833 | Apr 10, 2017 | Feb 27, 2017 |
| 4/A | — | 0001225208-17-007832 | Apr 10, 2017 | Feb 27, 2017 |
| 4/A | — | 0001225208-14-017372 | Jul 22, 2014 | Jul 7, 2014 |
| 4/A | — | 0001225208-11-003443 | Jan 20, 2011 | Nov 17, 2010 |
| 4/A | FORM 4/A SUBMISSION | 0001209191-11-004139 | Jan 20, 2011 | Nov 3, 2009 |
| 4/A | — | 0001225208-10-025382 | Nov 22, 2010 | Nov 3, 2009 |
| 4/A | MAIN DOCUMENT DESCRIPTION | 0001209191-10-050439 | Oct 14, 2010 | Nov 3, 2009 |
| 4/A | FORM 4/A SUBMISSION | 0001209191-10-005623 | Jan 29, 2010 | Nov 3, 2009 |
| 4/A | FORM 4/A SUBMISSION | 0001209191-10-005617 | Jan 29, 2010 | Nov 3, 2009 |
| 4/A | FORM 4/A SUBMISSION | 0001209191-10-005614 | Jan 29, 2010 | Nov 3, 2009 |
| 4/A | — | 0001225208-09-024286 | Dec 10, 2009 | Nov 3, 2009 |
| 4/A | — | 0000310158-08-000078 | Nov 25, 2008 | Nov 21, 2008 |
| 4/A | — | 0000310158-05-000048 | Apr 29, 2005 | Apr 27, 2005 |
| 4/A | — | 0000310158-03-000152 | Dec 10, 2003 | Jun 23, 2003 |
| 4/A | — | 0000310158-03-000134 | Dec 1, 2003 | Nov 26, 2003 |
| 4/A | — | 0000310158-03-000059 | Aug 5, 2003 | Aug 1, 2003 |