Company · CIK 310158 # Merck & Co., Inc. | CIK | [310158](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0000310158) (SEC EDGAR) | | --- | --- | | Industry (SIC) | 2834 — Pharmaceutical Preparations | | Incorporated in | NJ | | Business address | NJ | | Listed | MRK (NYSE) | | First annual or quarterly report | 1994-03-07 | ## Offerings 16 registrations | Registration | Label and status | First filed | Last event | Filings | | --- | --- | --- | --- | --- | | 333-278066 | Shelf Effective | 2024-03-19 | 2026-05-20 | 9 | | 333-278065 | Shelf Effective | 2024-03-19 | 2024-03-19 | 1 | | 333-254703 | Shelf Effective | 2021-03-25 | 2023-05-10 | 5 | | 333-254700 | Shelf Effective | 2021-03-25 | 2021-03-25 | 1 | | 333-224017 | Shelf Effective | 2018-03-29 | 2020-06-18 | 5 | | 333-224016 | Shelf Effective | 2018-03-29 | 2018-03-29 | 1 | | 333-208308 | Shelf Effective | 2015-12-02 | 2016-10-28 | 3 | | 333-185248 | Shelf Effective | 2012-12-03 | 2016-10-26 | 8 | | 333-208306 | Shelf Effective | 2015-12-02 | 2015-12-02 | 1 | | 333-185245 | Shelf Effective | 2012-12-03 | 2012-12-03 | 1 | | 333-163858 | Shelf Effective | 2009-12-18 | 2012-09-11 | 5 | | 333-164482 | Shelf Effective | 2010-01-22 | 2010-01-22 | 1 | | 333-163546 | Shelf Effective | 2009-12-07 | 2009-12-07 | 1 | | 333-145055 | Shelf Effective | 2007-08-02 | 2007-08-02 | 1 | | 333-113222 | Shelf Effective | 2004-03-02 | 2004-08-05 | 2 | | 333-102970 | Shelf Effective | 2003-02-05 | 2003-11-19 | 2 | ## Filings 49 | Filed | Filing | Registration | Accession | | --- | --- | --- | --- | | 2026-05-20 | [424B5](https://www.sec.gov/Archives/edgar/data/310158/000162828026036914/0001628280-26-036914-index.htm) Shelf takedown | 333-278066 | 0001628280-26-036914 | | 2026-05-18 | [424B5](https://www.sec.gov/Archives/edgar/data/310158/000162828026035810/0001628280-26-035810-index.htm) Shelf takedown | 333-278066 | 0001628280-26-035810 | | 2025-12-03 | [424B5](https://www.sec.gov/Archives/edgar/data/310158/000162828025055041/0001628280-25-055041-index.htm) Shelf takedown | 333-278066 | 0001628280-25-055041 | | 2025-12-01 | [424B5](https://www.sec.gov/Archives/edgar/data/310158/000162828025054305/0001628280-25-054305-index.htm) Shelf takedown | 333-278066 | 0001628280-25-054305 | | 2025-09-04 | [424B5](https://www.sec.gov/Archives/edgar/data/310158/000031015825000041/0000310158-25-000041-index.htm) Shelf takedown | 333-278066 | 0000310158-25-000041 | | 2025-09-02 | [424B5](https://www.sec.gov/Archives/edgar/data/310158/000031015825000027/0000310158-25-000027-index.htm) Shelf takedown | 333-278066 | 0000310158-25-000027 | | 2024-05-20 | [424B5](https://www.sec.gov/Archives/edgar/data/310158/000162828024024209/0001628280-24-024209-index.htm) Shelf takedown | 333-278066 | 0001628280-24-024209 | | 2024-05-15 | [424B5](https://www.sec.gov/Archives/edgar/data/310158/000162828024023547/0001628280-24-023547-index.htm) Shelf takedown | 333-278066 | 0001628280-24-023547 | | 2024-03-19 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/310158/000119312524071348/0001193125-24-071348-index.htm) Shelf registered | 333-278066 | 0001193125-24-071348 | | 2024-03-19 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/310158/000119312524071343/0001193125-24-071343-index.htm) Shelf registered | 333-278065 | 0001193125-24-071343 | | 2023-05-10 | [424B5](https://www.sec.gov/Archives/edgar/data/310158/000119312523140766/0001193125-23-140766-index.htm) Shelf takedown | 333-254703 | 0001193125-23-140766 | | 2023-05-08 | [424B5](https://www.sec.gov/Archives/edgar/data/310158/000119312523137713/0001193125-23-137713-index.htm) Shelf takedown | 333-254703 | 0001193125-23-137713 | | 2021-12-09 | [424B5](https://www.sec.gov/Archives/edgar/data/310158/000119312521352723/0001193125-21-352723-index.htm) Shelf takedown | 333-254703 | 0001193125-21-352723 | | 2021-12-07 | [424B5](https://www.sec.gov/Archives/edgar/data/310158/000119312521349678/0001193125-21-349678-index.htm) Shelf takedown | 333-254703 | 0001193125-21-349678 | | 2021-03-25 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/310158/000119312521094554/0001193125-21-094554-index.htm) Shelf registered | 333-254703 | 0001193125-21-094554 | | 2021-03-25 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/310158/000119312521094529/0001193125-21-094529-index.htm) Shelf registered | 333-254700 | 0001193125-21-094529 | | 2020-06-18 | [424B5](https://www.sec.gov/Archives/edgar/data/310158/000119312520172583/0001193125-20-172583-index.htm) Shelf takedown | 333-224017 | 0001193125-20-172583 | | 2020-06-16 | [424B5](https://www.sec.gov/Archives/edgar/data/310158/000119312520169986/0001193125-20-169986-index.htm) Shelf takedown | 333-224017 | 0001193125-20-169986 | | 2019-03-06 | [424B5](https://www.sec.gov/Archives/edgar/data/310158/000119312519065743/0001193125-19-065743-index.htm) Shelf takedown | 333-224017 | 0001193125-19-065743 | | 2019-03-05 | [424B5](https://www.sec.gov/Archives/edgar/data/310158/000119312519063275/0001193125-19-063275-index.htm) Shelf takedown | 333-224017 | 0001193125-19-063275 | | 2018-03-29 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/310158/000119312518102049/0001193125-18-102049-index.htm) Shelf registered | 333-224017 | 0001193125-18-102049 | | 2018-03-29 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/310158/000119312518102044/0001193125-18-102044-index.htm) Shelf registered | 333-224016 | 0001193125-18-102044 | | 2016-10-28 | [424B5](https://www.sec.gov/Archives/edgar/data/310158/000119312516751754/0001193125-16-751754-index.htm) Shelf takedown | 333-208308 | 0001193125-16-751754 | | 2016-10-26 | [424B5](https://www.sec.gov/Archives/edgar/data/310158/000119312516748054/0001193125-16-748054-index.htm) Shelf takedown | 333-208308 | 0001193125-16-748054 | | 2016-10-26 | [424B5](https://www.sec.gov/Archives/edgar/data/310158/000119312516747000/0001193125-16-747000-index.htm) Shelf takedown | 333-185248 | 0001193125-16-747000 | | 2015-12-02 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/310158/000119312515393315/0001193125-15-393315-index.htm) Shelf registered | 333-208308 | 0001193125-15-393315 | | 2015-12-02 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/310158/000119312515393308/0001193125-15-393308-index.htm) Shelf registered | 333-208306 | 0001193125-15-393308 | | 2015-02-09 | [424B5](https://www.sec.gov/Archives/edgar/data/310158/000119312515039142/0001193125-15-039142-index.htm) Shelf takedown | 333-185248 | 0001193125-15-039142 | | 2015-02-05 | [424B5](https://www.sec.gov/Archives/edgar/data/310158/000119312515034607/0001193125-15-034607-index.htm) Shelf takedown | 333-185248 | 0001193125-15-034607 | | 2014-10-08 | [424B5](https://www.sec.gov/Archives/edgar/data/310158/000119312514366657/0001193125-14-366657-index.htm) Shelf takedown | 333-185248 | 0001193125-14-366657 | | 2014-10-06 | [424B5](https://www.sec.gov/Archives/edgar/data/310158/000119312514363931/0001193125-14-363931-index.htm) Shelf takedown | 333-185248 | 0001193125-14-363931 | | 2013-05-17 | [424B5](https://www.sec.gov/Archives/edgar/data/310158/000104746913006270/0001047469-13-006270-index.htm) Shelf takedown | 333-185248 | 0001047469-13-006270 | | 2013-05-15 | [424B5](https://www.sec.gov/Archives/edgar/data/310158/000104746913006118/0001047469-13-006118-index.htm) Shelf takedown | 333-185248 | 0001047469-13-006118 | | 2012-12-03 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/310158/000119312512489377/0001193125-12-489377-index.htm) Shelf registered | 333-185248 | 0001193125-12-489377 | | 2012-12-03 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/310158/000119312512489339/0001193125-12-489339-index.htm) Shelf registered | 333-185245 | 0001193125-12-489339 | | 2012-09-11 | [424B5](https://www.sec.gov/Archives/edgar/data/310158/000104746912008798/0001047469-12-008798-index.htm) Shelf takedown | 333-163858 | 0001047469-12-008798 | | 2012-09-10 | [424B5](https://www.sec.gov/Archives/edgar/data/310158/000104746912008744/0001047469-12-008744-index.htm) Shelf takedown | 333-163858 | 0001047469-12-008744 | | 2010-12-08 | [424B5](https://www.sec.gov/Archives/edgar/data/310158/000119312510276735/0001193125-10-276735-index.htm) Shelf takedown | 333-163858 | 0001193125-10-276735 | | 2010-12-07 | [424B5](https://www.sec.gov/Archives/edgar/data/310158/000119312510275100/0001193125-10-275100-index.htm) Shelf takedown | 333-163858 | 0001193125-10-275100 | | 2010-01-22 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/310158/000089534510000035/0000895345-10-000035-index.htm) Shelf registered | 333-164482 | 0000895345-10-000035 | | 2009-12-18 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/310158/000119312509255971/0001193125-09-255971-index.htm) Shelf registered | 333-163858 | 0001193125-09-255971 | | 2009-12-07 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/310158/000119312509248517/0001193125-09-248517-index.htm) Shelf registered | 333-163546 | 0001193125-09-248517 | | 2009-06-24 | [EFFECT](https://www.sec.gov/Archives/edgar/data/310158/999999999509001745/9999999995-09-001745-index.htm) Declared effective | 333-159371 | 9999999995-09-001745 | | 2007-08-02 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/310158/000095012307010663/0000950123-07-010663-index.htm) Shelf registered | 333-145055 | 0000950123-07-010663 | | 2004-08-05 | [424B5](https://www.sec.gov/Archives/edgar/data/310158/000095012304009297/0000950123-04-009297-index.htm) Shelf takedown | 333-113222 | 0000950123-04-009297 | | 2004-03-02 | [S-3](https://www.sec.gov/Archives/edgar/data/310158/000089882204000199/0000898822-04-000199-index.htm) Shelf registered | 333-113222 | 0000898822-04-000199 | | 2003-11-24 | [424B5](https://www.sec.gov/Archives/edgar/data/310158/000095012303013114/0000950123-03-013114-index.htm) Shelf takedown | 333-110690 | 0000950123-03-013114 | | 2003-11-19 | [424B5](https://www.sec.gov/Archives/edgar/data/310158/000095012303012947/0000950123-03-012947-index.htm) Shelf takedown | 333-102970 | 0000950123-03-012947 | | 2003-02-05 | [S-3](https://www.sec.gov/Archives/edgar/data/310158/000089882203000085/0000898822-03-000085-index.htm) Shelf registered | 333-102970 | 0000898822-03-000085 | [All filings of this company](https://equitycapital.markets/filings?cik=310158) · [CSV](https://equitycapital.markets/filings.csv?cik=310158) --- Source page: https://equitycapital.markets/company/310158 · Data: U.S. SEC EDGAR · CC BY 4.0