01/17/2025 6:20 PM | DeSchuytner Brian (Reporting) Mersana Therapeutics (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/17/2025 6:21 PM | Huber Martin H. Jr. (Reporting) Mersana Therapeutics (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/17/2025 6:25 PM | Lowinger Timothy B (Reporting) Mersana Therapeutics (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/17/2025 6:26 PM | Mersana Therapeutics (Issuer) Protopapas Anna (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/17/2025 6:27 PM | Mandelia Ashish (Reporting) Mersana Therapeutics (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/17/2025 6:02 PM | Bala Mohan (Reporting) Mersana Therapeutics (Subject)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
01/17/2025 6:04 PM | Mersana Therapeutics (Subject) Protopapas Anna (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
01/17/2025 6:04 PM | Bala Mohan (Reporting) Mersana Therapeutics (Subject)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
01/17/2025 6:05 PM | Carvajal Alejandra (Reporting) Mersana Therapeutics (Subject)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
01/17/2025 6:05 PM | DeSchuytner Brian (Reporting) Mersana Therapeutics (Subject)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
01/17/2025 6:05 PM | Lowinger Timothy B (Reporting) Mersana Therapeutics (Subject)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
|
01/17/2025 6:18 PM | Bala Mohan (Reporting) Mersana Therapeutics (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/17/2025 6:18 PM | Carvajal Alejandra (Reporting) Mersana Therapeutics (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/16/2025 4:19 PM | DeSchuytner Brian (Reporting) Mersana Therapeutics (Subject)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
01/16/2025 4:20 PM | Lowinger Timothy B (Reporting) Mersana Therapeutics (Subject)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
01/16/2025 4:21 PM | Mersana Therapeutics (Subject) Protopapas Anna (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
01/16/2025 4:23 PM | Carvajal Alejandra (Reporting) Mersana Therapeutics (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/16/2025 4:23 PM | DeSchuytner Brian (Reporting) Mersana Therapeutics (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/16/2025 4:24 PM | Lowinger Timothy B (Reporting) Mersana Therapeutics (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/16/2025 4:25 PM | Mandelia Ashish (Reporting) Mersana Therapeutics (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/16/2025 4:25 PM | Mersana Therapeutics (Issuer) Protopapas Anna (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/15/2025 8:16 PM | Bala Mohan (Reporting) Mersana Therapeutics (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/15/2025 8:17 PM | Carvajal Alejandra (Reporting) Mersana Therapeutics (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/15/2025 8:17 PM | DeSchuytner Brian (Reporting) Mersana Therapeutics (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/15/2025 8:18 PM | Lowinger Timothy B (Reporting) Mersana Therapeutics (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/15/2025 8:19 PM | Mandelia Ashish (Reporting) Mersana Therapeutics (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/15/2025 8:20 PM | Mersana Therapeutics (Issuer) Protopapas Anna (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/15/2025 8:15 PM | Mersana Therapeutics (Subject) Protopapas Anna (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
01/14/2025 3:10 PM | Mersana Therapeutics (Filer)
| Form S-8 Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans | |
01/10/2025 7:32 AM | Mersana Therapeutics (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
12/30/2024 3:12 PM | Charoub Ian (Reporting) Constantinides Costas (Reporting) Mersana Therapeutics (Issuer) Nextech Crossover I GP S.a r.l. (Reporting) NEXTECH CROSSOVER I SCSP (Reporting) Sgobbo Rocco (Reporting)
| Form 3 Initial statement of beneficial ownership of securities | |
12/26/2024 3:29 PM | Mersana Therapeutics (Subject) Nextech Crossover I GP S.a r.l. (Filed by)
| Form SCHEDULE 13G/A | |
12/23/2024 6:50 PM | EcoR1 Capital, LLC (Filed by) Mersana Therapeutics (Subject)
| Form SCHEDULE 13G/A | |
12/23/2024 6:42 PM | EcoR1 Capital, LLC (Reporting) Mersana Therapeutics (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
12/19/2024 4:01 PM | Mersana Therapeutics (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
11/14/2024 4:45 PM | Mersana Therapeutics (Subject) Nextech Crossover I GP S.a r.l. (Filed by)
| Form SC 13G/A | |
11/14/2024 5:01 AM | BALYASNY ASSET MANAGEMENT L.P. (Filed by) Mersana Therapeutics (Subject)
| Form SC 13G/A | |
11/13/2024 7:50 AM | Mersana Therapeutics (Filer)
| Form 10-Q General form for quarterly reports under Section 13 or 15(d) | |
11/13/2024 6:27 AM | Mersana Therapeutics (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
10/29/2024 3:43 PM | Bala Mohan (Reporting) Mersana Therapeutics (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
10/29/2024 3:26 PM | Bala Mohan (Reporting) Mersana Therapeutics (Subject)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
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10/15/2024 5:55 AM | Mersana Therapeutics (Subject) SILVERARC CAPITAL MANAGEMENT, LLC (Filed by)
| Form SC 13G/A | |
10/07/2024 4:46 PM | Lowinger Timothy B (Reporting) Mersana Therapeutics (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
10/07/2024 4:47 PM | Mandelia Ashish (Reporting) Mersana Therapeutics (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
10/07/2024 4:47 PM | Bala Mohan (Reporting) Mersana Therapeutics (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
10/07/2024 4:48 PM | Carvajal Alejandra (Reporting) Mersana Therapeutics (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
10/07/2024 4:48 PM | DeSchuytner Brian (Reporting) Mersana Therapeutics (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
10/07/2024 4:18 PM | Lowinger Timothy B (Reporting) Mersana Therapeutics (Subject)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
10/07/2024 4:18 PM | DeSchuytner Brian (Reporting) Mersana Therapeutics (Subject)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
10/07/2024 4:19 PM | Carvajal Alejandra (Reporting) Mersana Therapeutics (Subject)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
10/07/2024 4:20 PM | Bala Mohan (Reporting) Mersana Therapeutics (Subject)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
10/03/2024 7:08 PM | Alleva Lawrence M (Reporting) Mersana Therapeutics (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
09/13/2024 4:06 PM | Huber Martin H. Jr. (Reporting) Mersana Therapeutics (Subject)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
09/13/2024 4:08 PM | Huber Martin H. Jr. (Reporting) Mersana Therapeutics (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
08/13/2024 7:59 AM | Mersana Therapeutics (Filer)
| Form 10-Q General form for quarterly reports under Section 13 or 15(d) | |
08/13/2024 6:18 AM | Mersana Therapeutics (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
06/12/2024 4:31 PM | Hack Andrew A. F. (Reporting) Mersana Therapeutics (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/12/2024 3:49 PM | Alleva Lawrence M (Reporting) Mersana Therapeutics (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/12/2024 3:51 PM | Dere Willard H (Reporting) Mersana Therapeutics (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/12/2024 3:51 PM | Diaz Allene M. (Reporting) Mersana Therapeutics (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/12/2024 3:52 PM | Hege Kristen (Reporting) Mersana Therapeutics (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/12/2024 3:53 PM | Mersana Therapeutics (Issuer) MOTT DAVID M (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/12/2024 3:54 PM | Mersana Therapeutics (Issuer) Protopapas Anna (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/17/2024 7:26 AM | Mersana Therapeutics (Subject) Nextech Crossover I GP S.a r.l. (Filed by)
| Form SC 13G | |
05/09/2024 11:15 PM | Mersana Therapeutics (Filer)
| Form EFFECT | |
05/09/2024 4:06 PM | Mersana Therapeutics (Filer)
| Form 424B5 | |
05/09/2024 8:00 AM | Mersana Therapeutics (Filer)
| Form 10-Q General form for quarterly reports under Section 13 or 15(d) | |
05/09/2024 6:10 AM | Mersana Therapeutics (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
04/26/2024 5:25 AM | Mersana Therapeutics (Filer)
| Form ARS | |
04/26/2024 5:02 AM | Mersana Therapeutics (Filer)
| Form DEF 14A | |
04/26/2024 5:04 AM | Mersana Therapeutics (Filer)
| Form DEFA14A | |
04/03/2024 7:14 PM | Alleva Lawrence M (Reporting) Mersana Therapeutics (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
02/28/2024 3:05 PM | Mersana Therapeutics (Filer)
| Form POS AM | |
02/28/2024 7:49 AM | Mersana Therapeutics (Filer)
| Form 10-K Annual report pursuant to Section 13 or 15(d) | |
02/28/2024 7:43 AM | Mersana Therapeutics (Filer)
| Form POSASR | |
02/28/2024 6:07 AM | Mersana Therapeutics (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
02/14/2024 7:56 PM | Mersana Therapeutics (Subject) Venrock Healthcare Capital Partners III, L.P. (Filed by)
| Form SC 13G/A | |
02/14/2024 7:43 PM | Mersana Therapeutics (Subject) SILVERARC CAPITAL MANAGEMENT, LLC (Filed by)
| Form SC 13G | |
02/14/2024 5:55 PM | Mersana Therapeutics (Subject) ORBIMED ADVISORS LLC (Filed by)
| Form SC 13G/A | |
02/14/2024 8:20 AM | Avoro Capital Advisors LLC (Filed by) Mersana Therapeutics (Subject)
| Form SC 13G/A | |
02/14/2024 6:22 AM | BALYASNY ASSET MANAGEMENT L.P. (Filed by) Mersana Therapeutics (Subject)
| Form SC 13G | |
01/22/2024 12:36 PM | Mersana Therapeutics (Subject) STATE STREET CORP (Filed by)
| Form SC 13G/A | |