FILINGS
| MRSN 0001442836 | |||
|---|---|---|---|
| Filing Date | Form Type | Description | Document |
| 2021-01-20 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2021-01-20 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2021-01-20 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2021-01-20 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2021-01-20 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2021-01-20 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2021-01-20 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2021-01-20 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2021-01-20 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2021-01-12 | 4 | FORM 4 SUBMISSION | View Document |
| 2021-01-12 | SC 13D/A | SC 13D/A | View Document |
| 2021-01-06 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2021-01-05 | 8-K | FORM 8-K | View Document |
| 2020-12-30 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2020-12-22 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2020-12-15 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2020-12-10 | SC 13D/A | NEW ENTERPRISE ASSOCIATES 14, L.P. -- MERSANA THERAPEUTICS. 13DA5 | View Document |
| 2020-12-03 | 4 | 4 | View Document |
| 2020-12-02 | 4 | 4 | View Document |
| 2020-12-02 | 3 | 3 | View Document |
| 2020-11-30 | 8-K | FORM 8-K | View Document |
| 2020-11-24 | 4 | 4 | View Document |
| 2020-11-19 | SC 13D/A | NEW ENTERPRISE ASSOCIATES 14, L.P. -- MERSANA THERAPEUTICS. 13DA4 | View Document |
| 2020-11-12 | 4 | 4 | View Document |
| 2020-11-09 | 10-Q | 10-Q | View Document |
| 2020-11-09 | 8-K | FORM 8-K | View Document |
| 2020-10-22 | 4 | 4 | View Document |
| 2020-09-23 | 4 | 4 | View Document |
| 2020-09-22 | SC 13D/A | NEW ENTERPRISE ASSOCIATES 14, L.P. -- MERSANA THERAPEUTICS. 13DA3 | View Document |
| 2020-09-17 | 8-K | FORM 8-K | View Document |
| 2020-09-16 | 4 | 4 | View Document |
| 2020-09-16 | 4 | FORM 4 SUBMISSION | View Document |
| 2020-09-16 | 4 | FORM 4 SUBMISSION | View Document |
| 2020-09-16 | 4 | FORM 4 SUBMISSION | View Document |
| 2020-09-16 | 4 | FORM 4 SUBMISSION | View Document |
| 2020-09-16 | 4 | FORM 4 SUBMISSION | View Document |
| 2020-09-16 | 4 | FORM 4 SUBMISSION | View Document |
| 2020-09-16 | 4 | FORM 4 SUBMISSION | View Document |
| 2020-09-03 | 8-K | FORM 8-K | View Document |
| 2020-08-07 | 10-Q | 10-Q | View Document |
| 2020-08-07 | 8-K | FORM 8-K | View Document |
| 2020-07-10 | SC 13G/A | View Document | |
| 2020-07-06 | 4 | 4 | View Document |
| 2020-06-29 | 4 | FORM 4 SUBMISSION | View Document |
| 2020-06-29 | 4 | 4 | View Document |
| 2020-06-29 | 4 | 4 | View Document |
| 2020-06-29 | 4 | 4 | View Document |
| 2020-06-29 | 4 | 4 | View Document |
| 2020-06-24 | 4 | 4 | View Document |
| 2020-06-24 | 3 | 3 | View Document |
| 2020-06-16 | 8-K | FORM 8-K | View Document |
| 2020-06-03 | 4 | 4 | View Document |
| 2020-06-01 | 8-K | FORM 8-K | View Document |
| 2020-05-29 | 424B5 | 424B5 | View Document |
| 2020-05-28 | S-3MEF | S-3MEF | View Document |
| 2020-05-28 | 424B5 | 424B5 | View Document |
| 2020-05-27 | 8-K | FORM 8-K | View Document |
| 2020-05-15 | EFFECT | View Document | |
| 2020-05-14 | 8-K | FORM 8-K | View Document |
| 2020-05-13 | CORRESP | View Document | |
| 2020-05-13 | UPLOAD | View Document | |
| 2020-05-08 | S-3 | S-3 | View Document |
| 2020-05-08 | 10-Q | 10-Q | View Document |
| 2020-05-08 | 8-K | FORM 8-K | View Document |
| 2020-04-24 | SC 13D/A | NEW ENTERPRISE ASSOCIATES 14, L.P. -- MERSANA THERAPEUTICS. 13DA2 | View Document |
| 2020-04-20 | DEFA14A | DEFA14A | View Document |
| 2020-04-20 | DEF 14A | DEF 14A | View Document |
| 2020-04-17 | SC 13D | SC 13D | View Document |
| 2020-04-15 | 8-K | FORM 8-K | View Document |
| 2020-04-14 | 4 | FORM 4 SUBMISSION | View Document |
| 2020-04-14 | 4 | FORM 4 SUBMISSION | View Document |
| 2020-04-13 | 4 | FORM 4 SUBMISSION | View Document |
| 2020-04-13 | 4 | FORM 4 SUBMISSION | View Document |
| 2020-04-13 | 4 | FORM 4 SUBMISSION | View Document |
| 2020-04-13 | 4 | FORM 4 SUBMISSION | View Document |
| 2020-04-13 | 4 | FORM 4 SUBMISSION | View Document |
| 2020-04-13 | 4 | FORM 4 SUBMISSION | View Document |
| 2020-04-13 | 4 | FORM 4 SUBMISSION | View Document |
| 2020-04-13 | 4 | FORM 4 SUBMISSION | View Document |
| 2020-04-13 | 4 | FORM 4 SUBMISSION | View Document |
| 2020-04-09 | 4 | FORM 4 SUBMISSION | View Document |
| 2020-04-09 | 424B5 | 424B5 | View Document |
| 2020-04-09 | 4 | 4 | View Document |
| 2020-04-08 | 8-K | FORM 8-K | View Document |
| 2020-03-30 | 8-K | FORM 8-K | View Document |
| 2020-03-20 | 8-K | FORM 8-K | View Document |
| 2020-03-17 | CT ORDER | View Document | |
| 2020-03-16 | 8-K | FORM 8-K | View Document |
| 2020-02-28 | S-8 | FORM S-8 | View Document |
| 2020-02-28 | 10-K | 10-K | View Document |
| 2020-02-28 | 8-K | FORM 8-K | View Document |
| 2020-02-14 | SC 13G/A | SCHEDULE 13G HOLDINGS REPORT AMENDMENT | View Document |
| 2020-02-14 | SC 13G/A | AMENDMENT NO. 2 TO THE SCHEDULE 13G | View Document |
| 2020-02-07 | SC 13G | View Document | |
| 2020-01-16 | 4 | 4 | View Document |
| 2020-01-16 | 4 | 4 | View Document |
| 2020-01-16 | 4 | 4 | View Document |
| 2020-01-16 | 4 | 4 | View Document |
| 2020-01-16 | 4 | 4 | View Document |
| 2020-01-16 | 4 | 4 | View Document |
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