Company · CIK 1442836
Mersana Therapeutics, Inc.
| CIK | 1442836 (SEC EDGAR) |
|---|---|
| Industry (SIC) | 2834 — Pharmaceutical Preparations |
| Incorporated in | DE |
| Business address | MA |
| Listed | no ticker on SEC record today |
| First annual or quarterly report | 2017-08-11 |
Offerings
5 registrations| Registration | Label and status | First filed | Last event | Filings |
|---|---|---|---|---|
| 333-271766 | 2023-05-09 | 2026-01-08 | 5 | |
| 333-260895 | 2021-11-09 | 2022-11-07 | 4 | |
| 333-238140 | 2020-05-08 | 2020-05-29 | 4 | |
| 333-226055 | 2018-07-02 | 2020-04-09 | 5 | |
| 333-218412 | 2017-06-01 | 2017-06-29 | 4 |
Filings
23| Filed | Filing | Registration | Accession |
|---|---|---|---|
| 2026-01-08 | EFFECTDeclared effective | 333-271766 | 9999999995-26-000105 |
| 2024-05-09 | EFFECTDeclared effective | 333-271766 | 9999999995-24-001443 |
| 2024-05-09 | 424B5Shelf takedown | 333-271766 | 0001104659-24-059428 |
| 2024-02-28 | 424B5Shelf takedown | 333-271766 | 0001104659-24-028709 |
| 2023-05-09 | S-3ASRShelf registered | 333-271766 | 0001104659-23-057729 |
| 2022-11-07 | 424B5Shelf takedown | 333-260895 | 0001104659-22-115404 |
| 2022-02-28 | 424B5Shelf takedown | 333-260895 | 0001104659-22-028170 |
| 2021-11-18 | EFFECTDeclared effective | 333-260895 | 9999999995-21-004406 |
| 2021-11-09 | S-3Shelf registered | 333-260895 | 0001104659-21-136061 |
| 2020-05-29 | 424B5Shelf takedown | 333-238140 | 0001047469-20-003268 |
| 2020-05-28 | 424B5Shelf takedown | 333-238140 | 0001047469-20-003225 |
| 2020-05-15 | EFFECTDeclared effective | 333-238140 | 9999999995-20-001176 |
| 2020-05-08 | S-3Shelf registered | 333-238140 | 0001047469-20-002929 |
| 2020-04-09 | 424B5Shelf takedown | 333-226055 | 0001047469-20-002216 |
| 2019-03-04 | 424B5Shelf takedown | 333-226055 | 0001047469-19-000878 |
| 2019-02-28 | 424B5Shelf takedown | 333-226055 | 0001047469-19-000794 |
| 2018-09-17 | EFFECTDeclared effective | 333-226055 | 9999999995-18-002388 |
| 2018-07-02 | S-3Shelf registered | 333-226055 | 0001047469-18-004853 |
| 2017-06-29 | 424B4Final prospectus | 333-218412 | 0001047469-17-004333 |
| 2017-06-27 | EFFECTDeclared effective | 333-218412 | 9999999995-17-001673 |
| 2017-06-16 | S-1/AAmendment | 333-218412 | 0001047469-17-004050 |
| 2017-06-01 | S-1Registration filed | 333-218412 | 0001047469-17-003762 |
| 2017-03-17 | DRSDraft made public | 377-01519 | 0000912057-17-000067 |