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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
2019-03-05
Purchase
2019-03-06
4:39 pm
Mersana Therapeutics Inc. MRSN MOTT DAVID M
Director
10% Owner
3,750,000 $4 $15,000,000 11,890,138
(Indirect)
View
2019-03-05
Purchase
2019-03-06
4:38 pm
Mersana Therapeutics Inc. MRSN New Enterprise Associates 14 L.P.
Sonsini Peter W.
NEA 14 GP LTD
NEA Partners 14 L.P.
BARRIS PETER J
BASKETT FOREST
Florence Anthony A. Jr.
KERINS PATRICK J
SANDELL SCOTT D
10% Owner
3,750,000 $4 $15,000,000 11,890,138
(Direct)
View
2018-09-24
Sale
2018-09-25
5:07 pm
Mersana Therapeutics Inc. MRSN Lowinger Timothy B
Chief Scientific Officer
3,500 $11.63 $40,705 89,833
(Direct)
View
2018-08-27
Sale
2018-08-29
4:24 pm
Mersana Therapeutics Inc. MRSN Lowinger Timothy B
Chief Scientific Officer
3,500 $13.15 $46,025 15,991
(Direct)
View
2018-07-23
Sale
2018-07-25
4:04 pm
Mersana Therapeutics Inc. MRSN Lowinger Timothy B
Chief Scientific Officer
3,500 $11.06 $38,710 12,491
(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
2019-07-17
Option Award
2019-07-19
4:03 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Lowinger Timothy B
Chief Scientific Officer
40,000 $0 40,000
(Direct)
View
2019-07-17
Option Award
2019-07-19
4:02 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Kaufman Michael J.
VP
40,000 $0 40,000
(Direct)
View
2019-07-17
Option Award
2019-07-19
4:02 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Jack Eva M.
CBO Treasurer & Secretary
40,000 $0 40,000
(Direct)
View
2019-07-17
Option Award
2019-07-19
4:02 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Huebner Dirk
Chief Medical Officer
40,000 $0 40,000
(Direct)
View
2019-07-17
Option Award
2019-07-19
4:01 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Protopapas Anna
CEO
100,000 $0 100,000
(Direct)
View
2019-07-10
Option Award
2019-07-12
4:07 pm
N/A
2029-07-10
Mersana Therapeutics Inc. MRSN DeSchuytner Brian
VP
240,000 $3.99 240,000
(Direct)
View
2019-06-07
Option Award
2019-06-11
4:49 pm
N/A
2029-06-07
Mersana Therapeutics Inc. MRSN MOTT DAVID M
Director
10% Owner
25,000 $4.31 25,000
(Direct)
View
2019-06-07
Option Award
2019-06-11
4:36 pm
N/A
2029-06-07
Mersana Therapeutics Inc. MRSN Alleva Lawrence M
Director
25,000 $4.31 25,000
(Direct)
View
2019-06-07
Option Award
2019-06-11
4:35 pm
N/A
2029-06-07
Mersana Therapeutics Inc. MRSN Hege Kristen
Director
25,000 $4.31 25,000
(Direct)
View
2019-06-07
Option Award
2019-06-11
4:14 pm
N/A
2029-06-07
Mersana Therapeutics Inc. MRSN Dere Willard H
Director
25,000 $4.31 25,000
(Direct)
View
2019-06-07
Option Award
2019-06-11
4:14 pm
N/A
2029-06-07
Mersana Therapeutics Inc. MRSN Hack Andrew A. F.
Director
25,000 $4.31 25,000
(Direct)
View
2019-01-23
Option Award
2019-01-25
4:07 pm
N/A
2029-01-23
Mersana Therapeutics Inc. MRSN Jack Eva M.
CBO Treasurer & Secretary
60,000 $3.51 60,000
(Direct)
View
2019-01-23
Option Award
2019-01-25
4:07 pm
N/A
2029-01-23
Mersana Therapeutics Inc. MRSN Spellman David A
CFO
100,000 $3.51 100,000
(Direct)
View
2019-01-23
Option Award
2019-01-25
4:06 pm
N/A
2029-01-23
Mersana Therapeutics Inc. MRSN Kaufman Michael J.
VP
60,000 $3.51 60,000
(Direct)
View
2019-01-23
Option Award
2019-01-25
4:06 pm
N/A
2029-01-23
Mersana Therapeutics Inc. MRSN Lowinger Timothy B
Chief Scientific Officer
60,000 $3.51 60,000
(Direct)
View
2019-01-23
Option Award
2019-01-25
4:05 pm
N/A
2029-01-23
Mersana Therapeutics Inc. MRSN Protopapas Anna
CEO
217,500 $3.51 217,500
(Direct)
View
2019-01-23
Option Award
2019-01-25
4:05 pm
N/A
2029-01-23
Mersana Therapeutics Inc. MRSN Foster Wayne
VP
30,750 $3.51 30,750
(Direct)
View
2019-01-02
Option Award
2019-01-04
4:34 pm
N/A
2029-01-02
Mersana Therapeutics Inc. MRSN MOTT DAVID M
Director
10% Owner
25,292 $4.31 25,292
(Direct)
View
2019-01-02
Option Award
2019-01-04
4:01 pm
N/A
2019-01-02
Mersana Therapeutics Inc. MRSN Dere Willard H
Director
13,619 $4.31 13,619
(Direct)
View
2019-01-02
Option Award
2019-01-04
4:00 pm
N/A
2029-01-02
Mersana Therapeutics Inc. MRSN Alleva Lawrence M
Director
13,619 $4.31 13,619
(Direct)
View
2018-11-30
Option Award
2018-12-03
4:16 pm
N/A
2028-11-30
Mersana Therapeutics Inc. MRSN Huebner Dirk
Chief Medical Officer
100,000 $5.3 100,000
(Direct)
View
2018-09-24
Exercise
2018-09-25
5:07 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Lowinger Timothy B
Chief Scientific Officer
3,500 $1.4 89,833
(Direct)
View
2018-09-24
Exercise
2018-09-25
5:07 pm
N/A
2022-10-01
Mersana Therapeutics Inc. MRSN Lowinger Timothy B
Chief Scientific Officer
3,500 $1.4 89,833
(Direct)
View
2018-09-20
Option Award
2018-09-21
4:50 pm
N/A
2028-09-20
Mersana Therapeutics Inc. MRSN MOTT DAVID M
Director
10% Owner
10,000 $12.27 10,000
(Direct)
View
2018-09-20
Option Award
2018-09-21
4:01 pm
N/A
2028-09-20
Mersana Therapeutics Inc. MRSN Alleva Lawrence M
Director
10,000 $12.27 10,000
(Direct)
View
2018-09-20
Option Award
2018-09-21
4:01 pm
N/A
2028-09-20
Mersana Therapeutics Inc. MRSN Hege Kristen
Director
10,000 $12.27 10,000
(Direct)
View
2018-09-20
Option Award
2018-09-21
4:00 pm
N/A
2028-09-20
Mersana Therapeutics Inc. MRSN Hack Andrew A. F.
Director
10,000 $12.27 10,000
(Direct)
View
2018-08-27
Exercise
2018-08-29
4:24 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Lowinger Timothy B
Chief Scientific Officer
3,500 $7.43 15,991
(Direct)
View
2018-08-27
Exercise
2018-08-29
4:24 pm
N/A
2021-05-11
Mersana Therapeutics Inc. MRSN Lowinger Timothy B
Chief Scientific Officer
3,500 $7.43 15,991
(Direct)
View
2018-07-03
Exercise
2018-07-05
6:59 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Lowinger Timothy B
Chief Scientific Officer
10,000 $1.4 93,333
(Direct)
View
2018-07-03
Exercise
2018-07-05
6:59 pm
N/A
2022-10-01
Mersana Therapeutics Inc. MRSN Lowinger Timothy B
Chief Scientific Officer
10,000 $1.4 93,333
(Direct)
View
2018-03-19
Option Award
2018-03-21
5:19 pm
N/A
2021-03-19
Mersana Therapeutics Inc. MRSN Dere Willard H
Director
20,000 $17.38 20,000
(Direct)
View
2018-03-12
Option Award
2018-03-14
4:49 pm
N/A
2021-03-12
Mersana Therapeutics Inc. MRSN Spellman David A
CFO
150,000 $13.97 150,000
(Direct)
View
2018-02-21
Exercise
2018-02-23
4:01 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Lowinger Timothy B
Chief Scientific Officer
5,911 $6.98 5,911
(Direct)
View
2018-02-21
Exercise
2018-02-23
4:01 pm
N/A
2018-03-03
Mersana Therapeutics Inc. MRSN Lowinger Timothy B
Chief Scientific Officer
5,911 $6.98 5,911
(Direct)
View
2018-02-02
Option Award
2018-02-06
4:28 pm
N/A
2028-02-01
Mersana Therapeutics Inc. MRSN Lowinger Timothy B
Chief Scientific Officer
56,884 $14.23 56,884
(Direct)
View
2018-02-02
Option Award
2018-02-06
4:27 pm
N/A
2028-02-01
Mersana Therapeutics Inc. MRSN Protopapas Anna
CEO
200,000 $14.23 200,000
(Direct)
View
2018-02-02
Option Award
2018-02-06
4:27 pm
N/A
2028-02-01
Mersana Therapeutics Inc. MRSN Jack Eva M.
CBO Treasurer & Secretary
50,057 $14.23 50,057
(Direct)
View
2018-02-02
Option Award
2018-02-06
4:26 pm
N/A
2028-02-01
Mersana Therapeutics Inc. MRSN Foster Wayne
VP
20,250 $14.23 20,250
(Direct)
View
2018-02-02
Option Award
2018-02-06
4:25 pm
N/A
2028-02-01
Mersana Therapeutics Inc. MRSN Kaufman Michael J.
VP
50,057 $14.23 50,057
(Direct)
View
2018-02-02
Option Award
2018-02-06
4:24 pm
N/A
2028-02-01
Mersana Therapeutics Inc. MRSN Bergstrom Donald A
Chief Medical Officer
56,884 $14.23 56,884
(Direct)
View
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