S&P 500   4,594.62
DOW   34,899.34
QQQ   391.20
S&P 500   4,594.62
DOW   34,899.34
QQQ   391.20
S&P 500   4,594.62
DOW   34,899.34
QQQ   391.20
S&P 500   4,594.62
DOW   34,899.34
QQQ   391.20
NASDAQ:MRSN

Mersana Therapeutics SEC Filings & 10K Form

$6.95
-0.82 (-10.55%)
(As of 11/26/2021 12:00 AM ET)
Add
Compare
Today's Range
$6.86
$7.75
50-Day Range
$6.95
$9.86
52-Week Range
$6.86
$29.09
Volume
510,003 shs
Average Volume
789,054 shs
Market Capitalization
$499.79 million
P/E Ratio
N/A
Dividend Yield
N/A
Beta
2.44

Mersana Therapeutics (NASDAQ:MRSN) SEC Filings

DateFilerForm TypeView
09/10/2021
6:50 AM
Mersana Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
08/24/2021
3:31 PM
Lowinger Timothy B (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
08/06/2021
8:11 AM
Mersana Therapeutics (Filer)
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
08/06/2021
5:30 AM
Mersana Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
07/22/2021
3:32 PM
Lowinger Timothy B (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
07/19/2021
7:50 PM
Lowinger Timothy B (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
07/19/2021
7:50 PM
Kaufman Michael J. (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
07/19/2021
7:49 PM
Mersana Therapeutics (Issuer)
Protopapas Anna (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
07/09/2021
4:25 PM
Lowinger Timothy B (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/23/2021
3:30 PM
Lowinger Timothy B (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/17/2021
5:30 AM
Mersana Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
06/15/2021
5:35 PM
Hack Andrew A. F. (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/15/2021
5:03 PM
Alleva Lawrence M (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/15/2021
5:03 PM
Dere Willard H (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/15/2021
5:02 PM
Hege Kristen (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/15/2021
5:02 PM
Mersana Therapeutics (Issuer)
MOTT DAVID M (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
06/15/2021
5:01 PM
Huber Martin H. Jr. (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/03/2021
5:58 PM
Alleva Lawrence M (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
05/24/2021
3:30 PM
Lowinger Timothy B (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
05/10/2021
4:20 PM
Mersana Therapeutics (Filer)
Form S-8
Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans  
05/10/2021
3:42 PM
Mersana Therapeutics (Filer)
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
04/28/2021
3:32 PM
Carvajal Alejandra (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
04/28/2021
3:30 PM
Carvajal Alejandra (Reporting)
Mersana Therapeutics (Issuer)
Form 3
Initial statement of beneficial ownership of securities  
04/27/2021
4:19 PM
Mersana Therapeutics (Filer)
Form DEFA14A
04/27/2021
4:18 PM
Mersana Therapeutics (Filer)
Form DEF 14A
04/22/2021
3:16 PM
Lowinger Timothy B (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
04/09/2021
3:19 PM
Mersana Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
03/24/2021
4:00 PM
Lowinger Timothy B (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
03/11/2021
8:17 AM
Mersana Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
02/26/2021
7:57 AM
Mersana Therapeutics (Filer)
Form 10-K
Annual report pursuant to Section 13 or 15(d)  
02/26/2021
5:29 AM
Mersana Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
02/24/2021
4:00 PM
Lowinger Timothy B (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/12/2021
7:04 AM
Avoro Capital Advisors LLC (Filed by)
Mersana Therapeutics (Subject)
Form SC 13G
02/11/2021
4:08 PM
BIOTECHNOLOGY VALUE FUND L P (Filed by)
Mersana Therapeutics (Subject)
Form SC 13G/A
02/04/2021
8:51 AM
Mersana Therapeutics (Subject)
WELLINGTON MANAGEMENT GROUP LLP (Filed by)
Form SC 13G
01/25/2021
3:42 PM
Mersana Therapeutics (Subject)
Sarissa Capital Management LP (Filed by)
Form SC 13G
01/20/2021
6:05 PM
Hack Andrew A. F. (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
01/20/2021
6:05 PM
Lowinger Timothy B (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
01/20/2021
6:04 PM
Kaufman Michael J. (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
01/20/2021
6:04 PM
DeSchuytner Brian (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
01/20/2021
6:04 PM
Mersana Therapeutics (Issuer)
Protopapas Anna (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
01/20/2021
6:03 PM
Mandelia Ashish (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
01/20/2021
6:03 PM
Mersana Therapeutics (Issuer)
MOTT DAVID M (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
01/20/2021
6:02 PM
Huber Martin H. Jr. (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
01/20/2021
6:02 PM
Hege Kristen (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
01/20/2021
6:01 PM
Dere Willard H (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
01/20/2021
6:00 PM
Alleva Lawrence M (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
01/12/2021
6:29 PM
Hack Andrew A. F. (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
01/12/2021
4:19 PM
Bain Capital Life Sciences Fund II, L.P. (Filed by)
Mersana Therapeutics (Subject)
Form SC 13D/A
01/06/2021
6:00 PM
Mandelia Ashish (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
01/05/2021
8:58 AM
Mersana Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
12/30/2020
4:00 PM
Lowinger Timothy B (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
12/22/2020
3:34 PM
Lowinger Timothy B (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
12/15/2020
3:15 PM
Mersana Therapeutics (Issuer)
MOTT DAVID M (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
12/10/2020
12:17 PM
Mersana Therapeutics (Subject)
New Enterprise Associates 14, L.P. (Filed by)
Form SC 13D/A
12/03/2020
6:01 AM
Mersana Therapeutics (Issuer)
MOTT DAVID M (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
11/30/2020
7:15 AM
Mersana Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
11/19/2020
12:29 PM
Mersana Therapeutics (Subject)
New Enterprise Associates 14, L.P. (Filed by)
Form SC 13D/A
11/12/2020
3:30 PM
Mersana Therapeutics (Issuer)
MOTT DAVID M (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
11/09/2020
8:00 AM
Mersana Therapeutics (Filer)
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
11/09/2020
5:30 AM
Mersana Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
10/22/2020
3:31 PM
Lowinger Timothy B (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
09/23/2020
3:30 PM
Lowinger Timothy B (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
09/17/2020
5:30 AM
Mersana Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
09/16/2020
5:31 PM
Jack Eva M. (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
09/16/2020
3:48 PM
Mersana Therapeutics (Issuer)
Sonsini Peter W. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
09/16/2020
3:47 PM
Mersana Therapeutics (Issuer)
SANDELL SCOTT D (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
09/16/2020
3:46 PM
KERINS PATRICK J (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
09/16/2020
3:45 PM
Florence Anthony A. Jr. (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
09/16/2020
3:44 PM
BASKETT FOREST (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
09/16/2020
3:43 PM
Mersana Therapeutics (Issuer)
NEA 14 GP, LTD (Reporting)
NEA Partners 14, L.P. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
09/16/2020
3:41 PM
Mersana Therapeutics (Issuer)
New Enterprise Associates 14, L.P. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
09/03/2020
5:36 AM
Mersana Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
08/07/2020
7:50 AM
Mersana Therapeutics (Filer)
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
08/07/2020
5:30 AM
Mersana Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
07/10/2020
9:39 AM
BlackRock Inc. (Filed by)
Mersana Therapeutics (Subject)
Form SC 13G/A
07/06/2020
3:15 PM
Mandelia Ashish (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/29/2020
7:36 PM
Hack Andrew A. F. (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/29/2020
7:11 PM
Alleva Lawrence M (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/29/2020
7:09 PM
Dere Willard H (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/24/2020
4:07 PM
Huber Martin H. Jr. (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/24/2020
4:01 PM
Huber Martin H. Jr. (Reporting)
Mersana Therapeutics (Issuer)
Form 3
Initial statement of beneficial ownership of securities  
06/16/2020
4:20 PM
Mersana Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
06/03/2020
4:30 PM
Alleva Lawrence M (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/01/2020
4:22 PM
Mersana Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/28/2020
8:41 PM
Mersana Therapeutics (Filer)
Form S-3MEF
05/28/2020
5:08 AM
Mersana Therapeutics (Filer)
Form 424B5
05/27/2020
5:30 AM
Mersana Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/17/2020
11:15 PM
Mersana Therapeutics (Filer)
Form EFFECT
05/08/2020
8:06 AM
Mersana Therapeutics (Filer)
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
05/08/2020
5:31 AM
Mersana Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
04/24/2020
1:17 PM
Mersana Therapeutics (Subject)
New Enterprise Associates 14, L.P. (Filed by)
Form SC 13D/A
04/20/2020
5:09 AM
Mersana Therapeutics (Filer)
Form DEFA14A
04/20/2020
5:07 AM
Mersana Therapeutics (Filer)
Form DEF 14A
04/17/2020
4:26 PM
Bain Capital Life Sciences Fund II, L.P. (Filed by)
Mersana Therapeutics (Subject)
Form SC 13D
04/15/2020
7:15 AM
Mersana Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
04/14/2020
4:54 PM
Mersana Therapeutics (Issuer)
SANDELL SCOTT D (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
04/14/2020
4:54 PM
BASKETT FOREST (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
04/13/2020
8:10 PM
Mersana Therapeutics (Issuer)
Sonsini Peter W. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
04/13/2020
8:10 PM
Mersana Therapeutics (Issuer)
SANDELL SCOTT D (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
This page was last updated on 11/27/2021 by MarketBeat.com Staff

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