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Insider Trading - Mersana Therapeutics Inc. (MRSN)

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"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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MRSN Insider Trading Transactions for Mersana Therapeutics Inc.
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Common stock purchase or sale:
Transaction
Date
Reported
DateTime
Company Symbol Insider
Relationship
Shares
Traded
Average
Price
Total
Amount
Shares
Owned
Filing
2020-04-07
Purchase
2020-04-09
3:31 pm
Mersana Therapeutics Inc. MRSN MOTT DAVID M
Director
538,599 $5.59 $3,010,768 538,599
(Direct)
View
2020-04-07
Purchase
2020-04-09
4:11 pm
Mersana Therapeutics Inc. MRSN Hack Andrew A. F.
Director
3,445,667 $5.9929 $20,649,463 3,445,667
(Indirect)
View
2019-08-28
Sale
2020-04-13
8:39 pm
Mersana Therapeutics Inc. MRSN New Enterprise Associates 14 L.P.
Sonsini Peter W.
BASKETT FOREST
Florence Anthony A. Jr.
KERINS PATRICK J
NEA 14 GP LTD
NEA Partners 14 L.P.
SANDELL SCOTT D
10% Owner
1,211 $2.91 $3,524 11,959,520
(Direct)
View
2020-04-09
Sale
2020-04-13
9:06 pm
Mersana Therapeutics Inc. MRSN BASKETT FOREST
10% Owner
20,914 $8.5003 $177,775 0
(Indirect)
View
2020-04-09
Sale
2020-04-13
9:06 pm
Mersana Therapeutics Inc. MRSN Florence Anthony A. Jr.
10% Owner
20,914 $8.5003 $177,775 0
(Indirect
Direct)
View
2020-04-09
Sale
2020-04-13
9:10 pm
Mersana Therapeutics Inc. MRSN SANDELL SCOTT D
10% Owner
20,914 $8.5003 $177,775 0
(Indirect)
View
2020-04-13
Sale
2020-04-14
5:54 pm
Mersana Therapeutics Inc. MRSN BASKETT FOREST
10% Owner
3,190 $8.5761 $27,358 0
(Indirect)
View
2020-04-13
Sale
2020-04-14
5:54 pm
Mersana Therapeutics Inc. MRSN SANDELL SCOTT D
10% Owner
2,198 $9.0376 $19,865 0
(Indirect)
View
2020-06-01
Purchase
2020-06-03
5:30 pm
Mersana Therapeutics Inc. MRSN Alleva Lawrence M
Director
1,085 $22.95 $24,901 1,085
(Direct)
View
2020-07-02
Purchase
2020-07-06
4:15 pm
Mersana Therapeutics Inc. MRSN Mandelia Ashish
VP
3,383 $4.87 $16,475 0
(Direct)
View
2020-07-02
Sale
2020-07-06
4:15 pm
Mersana Therapeutics Inc. MRSN Mandelia Ashish
VP
3,383 $22.49 $76,084 0
(Direct)
View
2020-09-14
Sale
2020-09-16
6:31 pm
Mersana Therapeutics Inc. MRSN Jack Eva M.
Chief Bus. Officer Tres Sec.
35,248 $22 $775,456 0
(Direct)
View
2020-09-21
Sale
2020-09-23
4:30 pm
Mersana Therapeutics Inc. MRSN Lowinger Timothy B
CTO
20,614 $20.66 $425,832 0
(Direct)
View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
Company Symnbol Insider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing
2020-01-02
Option Award
2020-01-03
4:38 pm
N/A
2030-01-02
Mersana Therapeutics Inc. MRSN Dere Willard H
Director
11,264 $5.36 11,264
(Direct)
View
2020-01-02
Option Award
2020-01-03
4:38 pm
N/A
2030-01-02
Mersana Therapeutics Inc. MRSN Hege Kristen
Director
11,264 $5.36 11,264
(Direct)
View
2020-01-02
Option Award
2020-01-03
4:43 pm
N/A
2030-01-02
Mersana Therapeutics Inc. MRSN MOTT DAVID M
Director
10% Owner
19,713 $5.36 19,713
(Direct)
View
2020-01-15
Option Award
2020-01-16
4:31 pm
N/A
2030-01-15
Mersana Therapeutics Inc. MRSN Jack Eva M.
Chief Bus. Officer Tres Sec.
82,500 $6.16 18,333
(Direct)
View
2020-01-15
Option Award
2020-01-16
4:31 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Jack Eva M.
Chief Bus. Officer Tres Sec.
18,333 $0 18,333
(Direct)
View
2020-01-15
Option Award
2020-01-16
4:31 pm
N/A
2030-01-15
Mersana Therapeutics Inc. MRSN Kaufman Michael J.
VP
120,000 $6.16 26,667
(Direct)
View
2020-01-15
Option Award
2020-01-16
4:31 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Kaufman Michael J.
VP
26,667 $0 26,667
(Direct)
View
2020-01-15
Option Award
2020-01-16
4:32 pm
N/A
2030-01-15
Mersana Therapeutics Inc. MRSN Lowinger Timothy B
CTO
142,500 $6.16 31,667
(Direct)
View
2020-01-15
Option Award
2020-01-16
4:32 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Lowinger Timothy B
CTO
31,667 $0 31,667
(Direct)
View
2020-01-15
Option Award
2020-01-16
4:33 pm
N/A
2030-01-15
Mersana Therapeutics Inc. MRSN Mandelia Ashish
VP
15,000 $6.16 3,333
(Direct)
View
2020-01-15
Option Award
2020-01-16
4:33 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Mandelia Ashish
VP
3,333 $0 3,333
(Direct)
View
2020-01-15
Option Award
2020-01-16
4:33 pm
N/A
2030-01-15
Mersana Therapeutics Inc. MRSN Protopapas Anna
CEO
318,750 $6.16 70,833
(Direct)
View
2020-01-15
Option Award
2020-01-16
4:33 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Protopapas Anna
CEO
70,833 $0 70,833
(Direct)
View
2020-01-15
Option Award
2020-01-16
4:34 pm
N/A
2030-01-15
Mersana Therapeutics Inc. MRSN DeSchuytner Brian
VP
71,250 $6.16 15,833
(Direct)
View
2020-01-15
Option Award
2020-01-16
4:34 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN DeSchuytner Brian
VP
15,833 $0 15,833
(Direct)
View
2020-01-15
Option Award
2020-01-16
4:34 pm
N/A
2030-01-15
Mersana Therapeutics Inc. MRSN Huebner Dirk
Chief Medical Officer
82,500 $6.16 18,333
(Direct)
View
2020-01-15
Option Award
2020-01-16
4:34 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Huebner Dirk
Chief Medical Officer
18,333 $0 18,333
(Direct)
View
2019-08-28
Exercise
2020-04-13
8:39 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN New Enterprise Associates 14 L.P.
Sonsini Peter W.
BASKETT FOREST
Florence Anthony A. Jr.
KERINS PATRICK J
NEA 14 GP LTD
NEA Partners 14 L.P.
SANDELL SCOTT D
10% Owner
70,593 $0.05 11,959,520
(Direct)
View
2019-08-28
Exercise
2020-04-13
8:39 pm
2013-09-27
2023-09-27
Mersana Therapeutics Inc. MRSN New Enterprise Associates 14 L.P.
Sonsini Peter W.
BASKETT FOREST
Florence Anthony A. Jr.
KERINS PATRICK J
NEA 14 GP LTD
NEA Partners 14 L.P.
SANDELL SCOTT D
10% Owner
70,593 $0.05 11,959,520
(Direct)
View
2020-04-09
Other
2020-04-13
9:06 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN BASKETT FOREST
10% Owner
4,000,000 $0 0
(Indirect)
View
2020-04-09
Other
2020-04-13
9:06 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN BASKETT FOREST
10% Owner
40,000 $0 0
(Indirect)
View
2020-04-09
Other
2020-04-13
9:06 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN BASKETT FOREST
10% Owner
40,000 $0 0
(Indirect)
View
2020-04-09
Other
2020-04-13
9:06 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN BASKETT FOREST
10% Owner
20,000 $0 0
(Indirect)
View
2020-04-09
Other
2020-04-13
9:06 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN BASKETT FOREST
10% Owner
20,000 $0 0
(Indirect)
View
2020-04-09
Other
2020-04-13
9:06 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN BASKETT FOREST
10% Owner
77 $0 0
(Indirect)
View
2020-04-09
Other
2020-04-13
9:06 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN BASKETT FOREST
10% Owner
12,054 $0 0
(Indirect)
View
2020-04-09
Other
2020-04-13
9:06 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN BASKETT FOREST
10% Owner
2,197 $0 0
(Indirect)
View
2020-04-09
Other
2020-04-13
9:06 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN BASKETT FOREST
10% Owner
8,783 $0 0
(Indirect)
View
2020-04-09
Other
2020-04-13
9:06 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN BASKETT FOREST
10% Owner
993 $0 0
(Indirect)
View
2020-04-09
Other
2020-04-13
9:06 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Florence Anthony A. Jr.
10% Owner
4,000,000 $0 0
(Indirect)
View
2020-04-09
Other
2020-04-13
9:06 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Florence Anthony A. Jr.
10% Owner
40,000 $0 0
(Indirect)
View
2020-04-09
Other
2020-04-13
9:06 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Florence Anthony A. Jr.
10% Owner
40,000 $0 0
(Indirect)
View
2020-04-09
Other
2020-04-13
9:06 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Florence Anthony A. Jr.
10% Owner
20,000 $0 0
(Indirect)
View
2020-04-09
Other
2020-04-13
9:06 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Florence Anthony A. Jr.
10% Owner
20,000 $0 0
(Indirect)
View
2020-04-09
Other
2020-04-13
9:06 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Florence Anthony A. Jr.
10% Owner
77 $0 0
(Indirect)
View
2020-04-09
Other
2020-04-13
9:06 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Florence Anthony A. Jr.
10% Owner
12,054 $0 0
(Indirect)
View
2020-04-09
Other
2020-04-13
9:06 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Florence Anthony A. Jr.
10% Owner
2,135 $0 0
(Direct)
View
2020-04-09
Other
2020-04-13
9:06 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Florence Anthony A. Jr.
10% Owner
8,783 $0 0
(Indirect)
View
2020-04-09
Other
2020-04-13
9:07 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN KERINS PATRICK J
10% Owner
4,000,000 $0 2,392
(Indirect)
View
2020-04-09
Other
2020-04-13
9:07 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN KERINS PATRICK J
10% Owner
40,000 $0 2,392
(Indirect)
View
2020-04-09
Other
2020-04-13
9:07 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN KERINS PATRICK J
10% Owner
40,000 $0 2,392
(Indirect)
View
2020-04-09
Other
2020-04-13
9:07 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN KERINS PATRICK J
10% Owner
20,000 $0 2,392
(Indirect)
View
2020-04-09
Other
2020-04-13
9:07 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN KERINS PATRICK J
10% Owner
20,000 $0 2,392
(Indirect)
View
2020-04-09
Other
2020-04-13
9:07 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN KERINS PATRICK J
10% Owner
1,647 $0 2,392
(Direct)
View
2020-04-09
Other
2020-04-13
9:07 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN KERINS PATRICK J
10% Owner
745 $0 2,392
(Direct)
View
2020-04-09
Other
2020-04-13
9:08 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN MOTT DAVID M
Director
2,197 $0 3,190
(Indirect)
View
2020-04-09
Other
2020-04-13
9:08 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN MOTT DAVID M
Director
993 $0 3,190
(Indirect)
View
2020-04-09
Other
2020-04-13
9:08 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN New Enterprise Associates 14 L.P.
10% Owner
4,000,000 $0 7,959,520
(Direct)
View
2020-04-09
Other
2020-04-13
9:09 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN NEA Partners 14 L.P.
NEA 14 GP LTD
10% Owner
4,000,000 $0 0
(Indirect)
View
2020-04-09
Other
2020-04-13
9:09 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN NEA Partners 14 L.P.
NEA 14 GP LTD
10% Owner
40,000 $0 0
(Direct)
View
2020-04-09
Other
2020-04-13
9:09 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN NEA Partners 14 L.P.
NEA 14 GP LTD
10% Owner
40,000 $0 0
(Direct)
View
2020-04-09
Other
2020-04-13
9:10 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN SANDELL SCOTT D
10% Owner
4,000,000 $0 0
(Indirect)
View
2020-04-09
Other
2020-04-13
9:10 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN SANDELL SCOTT D
10% Owner
40,000 $0 0
(Indirect)
View
2020-04-09
Other
2020-04-13
9:10 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN SANDELL SCOTT D
10% Owner
40,000 $0 0
(Indirect)
View
2020-04-09
Other
2020-04-13
9:10 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN SANDELL SCOTT D
10% Owner
20,000 $0 0
(Indirect)
View
2020-04-09
Other
2020-04-13
9:10 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN SANDELL SCOTT D
10% Owner
20,000 $0 0
(Indirect)
View
2020-04-09
Other
2020-04-13
9:10 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN SANDELL SCOTT D
10% Owner
77 $0 0
(Indirect)
View
2020-04-09
Other
2020-04-13
9:10 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN SANDELL SCOTT D
10% Owner
12,054 $0 0
(Indirect)
View
2020-04-09
Other
2020-04-13
9:10 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN SANDELL SCOTT D
10% Owner
274 $0 0
(Indirect)
View
2020-04-09
Other
2020-04-13
9:10 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN SANDELL SCOTT D
10% Owner
274 $0 0
(Indirect)
View
2020-04-09
Other
2020-04-13
9:10 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN SANDELL SCOTT D
10% Owner
965 $0 0
(Indirect)
View
2020-04-09
Other
2020-04-13
9:10 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN SANDELL SCOTT D
10% Owner
8,783 $0 0
(Indirect)
View
2020-04-09
Other
2020-04-13
9:10 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN SANDELL SCOTT D
10% Owner
685 $0 0
(Indirect)
View
2020-04-09
Other
2020-04-13
9:10 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Sonsini Peter W.
10% Owner
4,000,000 $0 497
(Indirect)
View
2020-04-09
Other
2020-04-13
9:10 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Sonsini Peter W.
10% Owner
40,000 $0 497
(Indirect)
View
2020-04-09
Other
2020-04-13
9:10 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Sonsini Peter W.
10% Owner
40,000 $0 497
(Indirect)
View
2020-04-09
Other
2020-04-13
9:10 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Sonsini Peter W.
10% Owner
20,000 $0 497
(Indirect)
View
2020-04-09
Other
2020-04-13
9:10 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Sonsini Peter W.
10% Owner
20,000 $0 497
(Indirect)
View
2020-04-09
Other
2020-04-13
9:10 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Sonsini Peter W.
10% Owner
1,146 $0 497
(Indirect)
View
2020-04-09
Other
2020-04-13
9:10 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Sonsini Peter W.
10% Owner
497 $0 497
(Direct)
View
2020-04-13
Option Award
2020-06-24
5:07 pm
N/A
2030-04-13
Mersana Therapeutics Inc. MRSN Huber Martin H. Jr.
Director
48,096 $8.57 48,096
(Direct)
View
2020-06-25
Option Award
2020-06-29
8:09 pm
N/A
2030-06-25
Mersana Therapeutics Inc. MRSN Dere Willard H
Director
9,200 $22.9 9,200
(Direct)
View
2020-06-25
Option Award
2020-06-29
8:11 pm
N/A
2030-06-25
Mersana Therapeutics Inc. MRSN Hege Kristen
Director
9,200 $22.9 9,200
(Direct)
View
2020-06-25
Option Award
2020-06-29
8:11 pm
N/A
2030-06-25
Mersana Therapeutics Inc. MRSN MOTT DAVID M
Director
9,200 $22.9 9,200
(Direct)
View
2020-06-25
Option Award
2020-06-29
8:11 pm
N/A
2030-06-25
Mersana Therapeutics Inc. MRSN Alleva Lawrence M
Director
9,200 $22.9 9,200
(Direct)
View
2020-06-25
Option Award
2020-06-29
8:36 pm
N/A
2030-06-25
Mersana Therapeutics Inc. MRSN Hack Andrew A. F.
Director
9,200 $22.9 9,200
(Direct)
View
2020-09-14
Other
2020-09-16
4:41 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN New Enterprise Associates 14 L.P.
10% Owner
2,000,000 $0 5,959,520
(Direct)
View
2020-09-14
Other
2020-09-16
4:43 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN NEA Partners 14 L.P.
NEA 14 GP LTD
10% Owner
2,000,000 $0 0
(Indirect)
View
2020-09-14
Other
2020-09-16
4:43 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN NEA Partners 14 L.P.
NEA 14 GP LTD
10% Owner
20,000 $0 0
(Direct)
View
2020-09-14
Other
2020-09-16
4:43 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN NEA Partners 14 L.P.
NEA 14 GP LTD
10% Owner
20,000 $0 0
(Direct)
View
2020-09-14
Other
2020-09-16
4:44 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN BASKETT FOREST
10% Owner
2,000,000 $0 1,602
(Indirect)
View
2020-09-14
Other
2020-09-16
4:44 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN BASKETT FOREST
10% Owner
20,000 $0 1,602
(Indirect)
View
2020-09-14
Other
2020-09-16
4:44 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN BASKETT FOREST
10% Owner
20,000 $0 1,602
(Indirect)
View
2020-09-14
Other
2020-09-16
4:44 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN BASKETT FOREST
10% Owner
10,000 $0 1,602
(Indirect)
View
2020-09-14
Other
2020-09-16
4:44 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN BASKETT FOREST
10% Owner
10,000 $0 1,602
(Indirect)
View
2020-09-14
Other
2020-09-16
4:44 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN BASKETT FOREST
10% Owner
39 $0 1,602
(Indirect)
View
2020-09-14
Other
2020-09-16
4:44 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN BASKETT FOREST
10% Owner
5,830 $0 1,602
(Indirect)
View
2020-09-14
Other
2020-09-16
4:44 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN BASKETT FOREST
10% Owner
4,391 $0 1,602
(Indirect)
View
2020-09-14
Other
2020-09-16
4:44 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN BASKETT FOREST
10% Owner
1,106 $0 1,602
(Indirect)
View
2020-09-14
Other
2020-09-16
4:44 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN BASKETT FOREST
10% Owner
496 $0 1,602
(Indirect)
View
2020-09-14
Other
2020-09-16
4:45 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Florence Anthony A. Jr.
10% Owner
2,000,000 $0 3,210
(Indirect)
View
2020-09-14
Other
2020-09-16
4:45 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Florence Anthony A. Jr.
10% Owner
20,000 $0 3,210
(Indirect)
View
2020-09-14
Other
2020-09-16
4:45 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Florence Anthony A. Jr.
10% Owner
20,000 $0 3,210
(Indirect)
View
2020-09-14
Other
2020-09-16
4:45 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Florence Anthony A. Jr.
10% Owner
10,000 $0 3,210
(Indirect)
View
2020-09-14
Other
2020-09-16
4:45 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Florence Anthony A. Jr.
10% Owner
10,000 $0 3,210
(Indirect)
View
2020-09-14
Other
2020-09-16
4:45 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Florence Anthony A. Jr.
10% Owner
39 $0 3,210
(Indirect)
View
2020-09-14
Other
2020-09-16
4:45 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Florence Anthony A. Jr.
10% Owner
5,830 $0 3,210
(Indirect)
View
2020-09-14
Other
2020-09-16
4:45 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Florence Anthony A. Jr.
10% Owner
4,391 $0 3,210
(Indirect)
View
2020-09-14
Other
2020-09-16
4:45 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Florence Anthony A. Jr.
10% Owner
1,075 $0 3,210
(Direct)
View
2020-09-14
Other
2020-09-16
4:46 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN KERINS PATRICK J
10% Owner
2,000,000 $0 3,594
(Indirect)
View
2020-09-14
Other
2020-09-16
4:46 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN KERINS PATRICK J
10% Owner
20,000 $0 3,594
(Indirect)
View
2020-09-14
Other
2020-09-16
4:46 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN KERINS PATRICK J
10% Owner
20,000 $0 3,594
(Indirect)
View
2020-09-14
Other
2020-09-16
4:46 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN KERINS PATRICK J
10% Owner
10,000 $0 3,594
(Indirect)
View
2020-09-14
Other
2020-09-16
4:46 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN KERINS PATRICK J
10% Owner
10,000 $0 3,594
(Indirect)
View
2020-09-14
Other
2020-09-16
4:46 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN KERINS PATRICK J
10% Owner
830 $0 3,594
(Direct)
View
2020-09-14
Other
2020-09-16
4:46 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN KERINS PATRICK J
10% Owner
372 $0 3,594
(Direct)
View
2020-09-14
Other
2020-09-16
4:47 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN SANDELL SCOTT D
10% Owner
2,000,000 $0 829
(Indirect)
View
2020-09-14
Other
2020-09-16
4:47 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN SANDELL SCOTT D
10% Owner
20,000 $0 829
(Indirect)
View
2020-09-14
Other
2020-09-16
4:47 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN SANDELL SCOTT D
10% Owner
20,000 $0 829
(Indirect)
View
2020-09-14
Other
2020-09-16
4:47 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN SANDELL SCOTT D
10% Owner
10,000 $0 829
(Indirect)
View
2020-09-14
Other
2020-09-16
4:47 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN SANDELL SCOTT D
10% Owner
10,000 $0 829
(Indirect)
View
2020-09-14
Other
2020-09-16
4:47 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN SANDELL SCOTT D
10% Owner
39 $0 829
(Indirect)
View
2020-09-14
Other
2020-09-16
4:47 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN SANDELL SCOTT D
10% Owner
5,830 $0 829
(Indirect)
View
2020-09-14
Other
2020-09-16
4:47 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN SANDELL SCOTT D
10% Owner
4,391 $0 829
(Indirect)
View
2020-09-14
Other
2020-09-16
4:47 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN SANDELL SCOTT D
10% Owner
138 $0 829
(Indirect)
View
2020-09-14
Other
2020-09-16
4:47 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN SANDELL SCOTT D
10% Owner
138 $0 829
(Indirect)
View
2020-09-14
Other
2020-09-16
4:47 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN SANDELL SCOTT D
10% Owner
486 $0 829
(Indirect)
View
2020-09-14
Other
2020-09-16
4:47 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN SANDELL SCOTT D
10% Owner
343 $0 829
(Indirect)
View
2020-09-14
Gift
2020-09-16
4:48 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Sonsini Peter W.
10% Owner
1,146 $0 745
(Indirect)
View
2020-09-14
Other
2020-09-16
4:48 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Sonsini Peter W.
10% Owner
2,000,000 $0 745
(Indirect)
View
2020-09-14
Other
2020-09-16
4:48 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Sonsini Peter W.
10% Owner
20,000 $0 745
(Indirect)
View
2020-09-14
Other
2020-09-16
4:48 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Sonsini Peter W.
10% Owner
20,000 $0 745
(Indirect)
View
2020-09-14
Other
2020-09-16
4:48 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Sonsini Peter W.
10% Owner
10,000 $0 745
(Indirect)
View
2020-09-14
Other
2020-09-16
4:48 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Sonsini Peter W.
10% Owner
10,000 $0 745
(Indirect)
View
2020-09-14
Other
2020-09-16
4:48 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Sonsini Peter W.
10% Owner
596 $0 745
(Indirect)
View
2020-09-14
Other
2020-09-16
4:48 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Sonsini Peter W.
10% Owner
248 $0 745
(Direct)
View
2020-09-14
Exercise
2020-09-16
6:31 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Jack Eva M.
Chief Bus. Officer Tres Sec.
35,248 $1.53 0
(Direct)
View
2020-09-14
Exercise
2020-09-16
6:31 pm
N/A
2025-11-06
Mersana Therapeutics Inc. MRSN Jack Eva M.
Chief Bus. Officer Tres Sec.
35,248 $1.53 0
(Direct)
View
2020-09-21
Exercise
2020-09-23
4:30 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Lowinger Timothy B
CTO
3,749 $3.51 0
(Direct)
View
2020-09-21
Exercise
2020-09-23
4:30 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Lowinger Timothy B
CTO
4,454 $6.16 0
(Direct)
View
2020-09-21
Exercise
2020-09-23
4:30 pm
N/A
2029-01-23
Mersana Therapeutics Inc. MRSN Lowinger Timothy B
CTO
3,749 $3.51 0
(Direct)
View
2020-09-21
Exercise
2020-09-23
4:30 pm
N/A
2030-01-15
Mersana Therapeutics Inc. MRSN Lowinger Timothy B
CTO
4,454 $6.16 0
(Direct)
View
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