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NASDAQ:MRSN

Mersana Therapeutics SEC Filings & 10K Form

$19.60
+0.15 (+0.77 %)
(As of 09/28/2020 12:00 AM ET)
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Today's Range
$18.93
Now: $19.60
$19.91
50-Day Range
$16.20
MA: $19.13
$25.70
52-Week Range
$1.32
Now: $19.60
$26.64
Volume581,156 shs
Average Volume1.26 million shs
Market Capitalization$1.34 billion
P/E RatioN/A
Dividend YieldN/A
Beta2.47

SEC Filings

Mersana Therapeutics (NASDAQ:MRSN) SEC Filings

DateFilerForm TypeView
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  
04/13/2020
8:09 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  
04/13/2020
8:08 PM
Mersana Therapeutics (Issuer)
New Enterprise Associates 14, L.P. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
04/13/2020
8:08 PM
Mersana Therapeutics (Issuer)
MOTT DAVID M (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
04/13/2020
8:07 PM
KERINS PATRICK J (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
04/13/2020
8:06 PM
Florence Anthony A. Jr. (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
04/13/2020
8:06 PM
BASKETT FOREST (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
04/13/2020
7:39 PM
BASKETT FOREST (Reporting)
Florence Anthony A. Jr. (Reporting)
KERINS PATRICK J (Reporting)
Mersana Therapeutics (Issuer)
NEA 14 GP, LTD (Reporting)
NEA Partners 14, L.P. (Reporting)
New Enterprise Associates 14, L.P. (Reporting)
SANDELL SCOTT D (Reporting)
Sonsini Peter W. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
04/09/2020
3:11 PM
Hack Andrew A. F. (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
04/09/2020
3:10 PM
Mersana Therapeutics (Filer)
Form 424B5
04/09/2020
2:31 PM
Mersana Therapeutics (Issuer)
MOTT DAVID M (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
04/08/2020
7:30 AM
Mersana Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
03/20/2020
8:38 AM
Mersana Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
03/17/2020
8:23 AM
Mersana Therapeutics (Filer)
Form CT ORDER
03/16/2020
7:00 AM
Mersana Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
02/28/2020
8:01 AM
Mersana Therapeutics (Filer)
Form 10-K
Annual report pursuant to Section 13 or 15(d)  
02/28/2020
5:15 AM
Mersana Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
01/16/2020
3:34 PM
Huebner Dirk (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
01/16/2020
3:34 PM
DeSchuytner Brian (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
01/16/2020
3:33 PM
Mersana Therapeutics (Issuer)
Protopapas Anna (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
01/16/2020
3:33 PM
Mandelia Ashish (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
01/16/2020
3:32 PM
Lowinger Timothy B (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
01/16/2020
3:31 PM
Kaufman Michael J. (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
01/16/2020
3:31 PM
Jack Eva M. (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
01/10/2020
7:05 AM
Mersana Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
01/03/2020
3:38 PM
Hege Kristen (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
01/03/2020
3:38 PM
Dere Willard H (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
12/20/2019
7:22 PM
Mersana Therapeutics (Subject)
Venrock Healthcare Capital Partners II, L.P. (Filed by)
Form SC 13G
11/06/2019
8:01 AM
Mersana Therapeutics (Filer)
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
11/06/2019
5:11 AM
Mersana Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
10/09/2019
4:30 PM
BIOTECHNOLOGY VALUE FUND L P (Filed by)
Mersana Therapeutics (Subject)
Form SC 13G/A
08/21/2019
5:01 AM
Mersana Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
08/08/2019
8:01 AM
Mersana Therapeutics (Filer)
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
08/08/2019
5:16 AM
Mersana Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
07/26/2019
3:01 PM
Mersana Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
07/19/2019
3:03 PM
Lowinger Timothy B (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
07/19/2019
3:02 PM
Kaufman Michael J. (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
07/19/2019
3:02 PM
Jack Eva M. (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
07/19/2019
3:02 PM
Huebner Dirk (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
07/19/2019
3:01 PM
Mersana Therapeutics (Issuer)
Protopapas Anna (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
07/12/2019
3:07 PM
DeSchuytner Brian (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
07/12/2019
3:06 PM
DeSchuytner Brian (Reporting)
Mersana Therapeutics (Issuer)
Form 3
Initial statement of beneficial ownership of securities  
06/12/2019
3:17 PM
Mersana Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
06/11/2019
3:49 PM
Mersana Therapeutics (Issuer)
MOTT DAVID M (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
06/11/2019
3:36 PM
Alleva Lawrence M (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/11/2019
3:35 PM
Hege Kristen (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/11/2019
3:14 PM
Dere Willard H (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/11/2019
3:14 PM
Hack Andrew A. F. (Reporting)
Mersana Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/07/2019
3:02 PM
Mersana Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
06/05/2019
3:02 PM
Mersana Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/09/2019
3:06 PM
Mersana Therapeutics (Filer)
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
05/09/2019
5:10 AM
Mersana Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
04/23/2019
3:12 PM
Mersana Therapeutics (Filer)
Form DEFA14A
04/23/2019
3:05 PM
Mersana Therapeutics (Filer)
Form DEF 14A
04/08/2019
3:09 PM
Mersana Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
03/11/2019
4:21 PM
BIOTECHNOLOGY VALUE FUND L P (Filed by)
Mersana Therapeutics (Subject)
Form SC 13G
03/11/2019
3:18 PM
Mersana Therapeutics (Subject)
Sarissa Capital Management LP (Filed by)
Form SC 13G
03/08/2019
3:23 PM
Mersana Therapeutics (Filer)
Form S-8
Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans  
03/08/2019
3:09 PM
Mersana Therapeutics (Filer)
Form 10-K
Annual report pursuant to Section 13 or 15(d)  
03/08/2019
5:05 AM
Mersana Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
03/06/2019
3:39 PM
Mersana Therapeutics (Issuer)
MOTT DAVID M (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/06/2019
3:38 PM
BARRIS PETER J (Reporting)
BASKETT FOREST (Reporting)
Florence Anthony A. Jr. (Reporting)
KERINS PATRICK J (Reporting)
Mersana Therapeutics (Issuer)
NEA 14 GP, LTD (Reporting)
NEA Partners 14, L.P. (Reporting)
New Enterprise Associates 14, L.P. (Reporting)
SANDELL SCOTT D (Reporting)
Sonsini Peter W. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/04/2019
4:27 PM
Mersana Therapeutics (Filer)
Form 424B5
This page was last updated on 9/29/2020 by MarketBeat.com Staff

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