Date Filed | Type | Description |
08/08/2023 |
10-Q
| Quarterly Report for the period ended June 30, 2023 |
08/08/2023 |
8-K
| Quarterly results |
08/07/2023 |
SC 13G
| Venrock Healthcare Capital Partners III, L.P. reports a 8.5% stake in Mersana Therapeutics, Inc. |
07/27/2023 |
SC 13G
| EcoR1 Capital, LLC reports a 16.9% stake in Mersana Therapeutics, Inc. |
07/27/2023 |
8-K
| Results of Operations and Financial Condition, Cost Associated with Exit or Disposal Activities, Regulation FD Disclosure, Ot... |
06/09/2023 |
8-K
| Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Submission of Matters to a Vote of Security Holders... |
05/09/2023 |
S-3ASR
| Form S-3ASR - Automatic shelf registration statement of securities of well-known seasoned issuers: |
05/09/2023 |
10-Q
| Quarterly Report for the period ended March 31, 2023 |
05/09/2023 |
8-K
| Quarterly results |
04/28/2023 |
ARS
| Form ARS - Annual Report to Security Holders: |
04/28/2023 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material: |
04/28/2023 |
DEF 14A
| Form DEF 14A - Other definitive proxy statements: |
04/14/2023 |
PRE 14A
| Form PRE 14A - Other preliminary proxy statements: |
03/31/2023 |
8-K
| Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits ... |
03/24/2023 |
8-K
| Entry into a Material Definitive Agreement Interactive Data |
03/13/2023 |
8-K
| Regulation FD Disclosure, Other Events, Financial Statements and Exhibits Interactive Data |
02/28/2023 |
10-K
| Annual Report for the period ended December 31, 2022 |
02/28/2023 |
8-K
| Quarterly results |
02/14/2023 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
02/09/2023 |
SC 13G/A
| VANGUARD GROUP INC reports a 4.5% stake in Mersana Therapeutics Inc. |
02/06/2023 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
02/03/2023 |
SC 13G/A
| STATE STREET CORP reports a 5.9% stake in AMENDED FILING MERSANA THERAPEUTICS INC |
02/01/2023 |
8-K
| Quarterly results |
01/25/2023 |
8-K
| Regulation FD Disclosure, Other Events, Financial Statements and Exhibits Interactive Data |
01/19/2023 |
SC 13G/A
| MILLENNIUM MANAGEMENT LLC reports a 3.7% stake in MERSANA THERAPEUTICS, INC. |
01/06/2023 |
8-K
| Results of Operations and Financial Condition, Regulation FD Disclosure, Other Events, Financial Statements and Exhibits ... |
12/27/2022 |
8-K
| Entry into a Material Definitive Agreement, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance S... |
12/22/2022 |
8-K
| Entry into a Material Definitive Agreement, Regulation FD Disclosure, Financial Statements and Exhibits Inte... |
11/07/2022 |
8-K
| Entry into a Material Definitive Agreement, Financial Statements and Exhibits Interactive Data |
11/07/2022 |
424B5
| Form 424B5 - Prospectus [Rule 424(b)(5)]: |
11/07/2022 |
10-Q
| Quarterly Report for the period ended September 30, 2022 |
11/07/2022 |
8-K
| Quarterly results |
10/06/2022 |
8-K
| Quarterly results |
08/16/2022 |
8-K
| Quarterly results |
|