02/14/2025
5:15 PM | Mersana Therapeutics (Subject)
Venrock Healthcare Capital Partners III, L.P. (Filed by)
| Form SCHEDULE 13G/A | |
02/05/2025
12:23 PM | BlackRock, Inc. (Filed by)
Mersana Therapeutics (Subject)
| Form SCHEDULE 13G/A | |
02/05/2025
7:08 AM | Mersana Therapeutics (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
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 | |
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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) | |
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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 | |
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) | |
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