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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
What is insider trading>>
MRSN Insider Trading Transactions for Mersana Therapeutics  Inc.

Common stock purchase or sale:
Transaction
Date
Reported
DateTime
Company Symbol Insider
Relationship
Shares
Traded
Average
Price
Total
Amount
Shares
Owned
Filing
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
2017-07-03
Purchase
2017-07-06
5:20 pm
Mersana Therapeutics Inc. MRSN Viswanathan Ravi
10% Owner
1,000,000 $15 $15,000,000 8,140,138
(Indirect)
View
2017-07-03
Purchase
2017-07-06
5:19 pm
Mersana Therapeutics Inc. MRSN Sonsini Peter W.
10% Owner
1,000,000 $15 $15,000,000 8,140,138
(Indirect)
View
2017-07-03
Purchase
2017-07-06
5:19 pm
Mersana Therapeutics Inc. MRSN SANDELL SCOTT D
10% Owner
1,000,000 $15 $15,000,000 8,140,138
(Indirect)
View
2017-07-03
Purchase
2017-07-06
5:18 pm
Mersana Therapeutics Inc. MRSN MOTT DAVID M
Director, 10% Owner
1,000,000 $15 $15,000,000 8,140,138
(Indirect)
View
2017-07-03
Purchase
2017-07-06
5:18 pm
Mersana Therapeutics Inc. MRSN KERINS PATRICK J
10% Owner
1,000,000 $15 $15,000,000 8,140,138
(Indirect)
View
2017-07-03
Purchase
2017-07-06
5:17 pm
Mersana Therapeutics Inc. MRSN Florence Anthony A. Jr.
10% Owner
1,000,000 $15 $15,000,000 8,140,138
(Indirect)
View
2017-07-03
Purchase
2017-07-06
5:17 pm
Mersana Therapeutics Inc. MRSN BASKETT FOREST
10% Owner
1,000,000 $15 $15,000,000 8,140,138
(Indirect)
View
2017-07-03
Purchase
2017-07-06
5:16 pm
Mersana Therapeutics Inc. MRSN BARRIS PETER J
10% Owner
1,000,000 $15 $15,000,000 8,140,138
(Indirect)
View
2017-07-03
Purchase
2017-07-06
5:16 pm
Mersana Therapeutics Inc. MRSN BARRETT M JAMES
10% Owner
1,000,000 $15 $15,000,000 8,140,138
(Indirect)
View
2017-07-03
Purchase
2017-07-06
5:16 pm
Mersana Therapeutics Inc. MRSN New Enterprise Associates 14 L.P.
NEA Partners 14 L.P.
NEA 14 GP LTD
10% Owner
1,000,000 $15 $15,000,000 8,140,138
(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
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
2018-01-30
Exercise
2018-02-01
4:01 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Foster Wayne
VP
889 $1.62 71,083
(Direct)
View
2018-01-30
Exercise
2018-02-01
4:01 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Foster Wayne
VP
8,055 $1.53 71,083
(Direct)
View
2018-01-30
Exercise
2018-02-01
4:01 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Foster Wayne
VP
3,262 $4.1 71,083
(Direct)
View
2018-01-30
Exercise
2018-02-01
4:01 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Foster Wayne
VP
2,499 $6.98 71,083
(Direct)
View
2018-01-30
Exercise
2018-02-01
4:01 pm
N/A
2024-12-15
Mersana Therapeutics Inc. MRSN Foster Wayne
VP
889 $1.62 71,083
(Direct)
View
2018-01-30
Exercise
2018-02-01
4:01 pm
N/A
2025-06-11
Mersana Therapeutics Inc. MRSN Foster Wayne
VP
8,055 $1.53 71,083
(Direct)
View
2018-01-30
Exercise
2018-02-01
4:01 pm
N/A
2026-08-29
Mersana Therapeutics Inc. MRSN Foster Wayne
VP
3,262 $4.1 71,083
(Direct)
View
2018-01-30
Exercise
2018-02-01
4:01 pm
N/A
2027-03-13
Mersana Therapeutics Inc. MRSN Foster Wayne
VP
2,499 $6.98 71,083
(Direct)
View
2018-01-02
Option Award
2018-01-04
4:31 pm
N/A
2028-01-02
Mersana Therapeutics Inc. MRSN Nayeem Sara M.
Director
3,560 $17.39 3,560
(Direct)
View
2018-01-02
Option Award
2018-01-04
4:30 pm
N/A
2028-01-02
Mersana Therapeutics Inc. MRSN MOTT DAVID M
Director, 10% Owner
6,611 $17.39 6,611
(Direct)
View
2018-01-02
Option Award
2018-01-04
4:03 pm
N/A
2028-01-02
Mersana Therapeutics Inc. MRSN Hege Kristen
Director
3,560 $17.39 3,560
(Direct)
View
2018-01-02
Option Award
2018-01-04
4:03 pm
N/A
2028-01-02
Mersana Therapeutics Inc. MRSN Alleva Lawrence M
Director
3,560 $17.39 3,560
(Direct)
View
2017-12-20
Exercise
2017-12-21
4:06 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Protopapas Anna
CEO
10,417 $1.53 748,366
(Direct)
View
2017-12-20
Exercise
2017-12-21
4:06 pm
N/A
2025-05-07
Mersana Therapeutics Inc. MRSN Protopapas Anna
CEO
10,417 $1.53 748,366
(Direct)
View
2017-09-05
Option Award
2017-09-07
4:43 pm
N/A
2020-09-05
Mersana Therapeutics Inc. MRSN Alleva Lawrence M
Director
20,000 $17.5 20,000
(Direct)
View
2017-07-03
Conversion
2017-07-06
5:20 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Viswanathan Ravi
10% Owner
7,140,138 $0 8,140,138
(Indirect)
View
2017-07-03
Conversion
2017-07-06
5:20 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Viswanathan Ravi
10% Owner
11,931,173 $0 8,140,138
(Indirect)
View
2017-07-03
Conversion
2017-07-06
5:20 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Viswanathan Ravi
10% Owner
18,001,420 $0 8,140,138
(Indirect)
View
2017-07-03
Conversion
2017-07-06
5:20 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Viswanathan Ravi
10% Owner
2,216,626 $0 8,140,138
(Indirect)
View
2017-07-03
Conversion
2017-07-06
5:19 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Sonsini Peter W.
10% Owner
7,140,138 $0 8,140,138
(Indirect)
View
2017-07-03
Conversion
2017-07-06
5:19 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Sonsini Peter W.
10% Owner
11,931,173 $0 8,140,138
(Indirect)
View
2017-07-03
Conversion
2017-07-06
5:19 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Sonsini Peter W.
10% Owner
18,001,420 $0 8,140,138
(Indirect)
View
2017-07-03
Conversion
2017-07-06
5:19 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Sonsini Peter W.
10% Owner
2,216,626 $0 8,140,138
(Indirect)
View
2017-07-03
Conversion
2017-07-06
5:19 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN SANDELL SCOTT D
10% Owner
7,140,138 $0 8,140,138
(Indirect)
View
2017-07-03
Conversion
2017-07-06
5:19 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN SANDELL SCOTT D
10% Owner
11,931,173 $0 8,140,138
(Indirect)
View
2017-07-03
Conversion
2017-07-06
5:19 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN SANDELL SCOTT D
10% Owner
18,001,420 $0 8,140,138
(Indirect)
View
2017-07-03
Conversion
2017-07-06
5:19 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN SANDELL SCOTT D
10% Owner
2,216,626 $0 8,140,138
(Indirect)
View
2017-07-03
Conversion
2017-07-06
5:18 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN MOTT DAVID M
Director, 10% Owner
7,140,138 $0 8,140,138
(Indirect)
View
2017-07-03
Conversion
2017-07-06
5:18 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN MOTT DAVID M
Director, 10% Owner
11,931,173 $0 8,140,138
(Indirect)
View
2017-07-03
Conversion
2017-07-06
5:18 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN MOTT DAVID M
Director, 10% Owner
18,001,420 $0 8,140,138
(Indirect)
View
2017-07-03
Conversion
2017-07-06
5:18 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN MOTT DAVID M
Director, 10% Owner
2,216,626 $0 8,140,138
(Indirect)
View
2017-07-03
Conversion
2017-07-06
5:18 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Protopapas Anna
CEO
72,263 $0 192,565
(Indirect)
View
2017-07-03
Conversion
2017-07-06
5:18 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Protopapas Anna
CEO
325,189 $0 192,565
(Indirect)
View
2017-07-03
Conversion
2017-07-06
5:18 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN KERINS PATRICK J
10% Owner
7,140,138 $0 8,140,138
(Indirect)
View
2017-07-03
Conversion
2017-07-06
5:18 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN KERINS PATRICK J
10% Owner
11,931,173 $0 8,140,138
(Indirect)
View
2017-07-03
Conversion
2017-07-06
5:18 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN KERINS PATRICK J
10% Owner
18,001,420 $0 8,140,138
(Indirect)
View
2017-07-03
Conversion
2017-07-06
5:18 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN KERINS PATRICK J
10% Owner
2,216,626 $0 8,140,138
(Indirect)
View
2017-07-03
Conversion
2017-07-06
5:17 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Florence Anthony A. Jr.
10% Owner
7,140,138 $0 8,140,138
(Indirect)
View
2017-07-03
Conversion
2017-07-06
5:17 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Florence Anthony A. Jr.
10% Owner
11,931,173 $0 8,140,138
(Indirect)
View
2017-07-03
Conversion
2017-07-06
5:17 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Florence Anthony A. Jr.
10% Owner
18,001,420 $0 8,140,138
(Indirect)
View
2017-07-03
Conversion
2017-07-06
5:17 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN Florence Anthony A. Jr.
10% Owner
2,216,626 $0 8,140,138
(Indirect)
View
2017-07-03
Conversion
2017-07-06
5:17 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN BASKETT FOREST
10% Owner
7,140,138 $0 8,140,138
(Indirect)
View
2017-07-03
Conversion
2017-07-06
5:17 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN BASKETT FOREST
10% Owner
11,931,173 $0 8,140,138
(Indirect)
View
2017-07-03
Conversion
2017-07-06
5:17 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN BASKETT FOREST
10% Owner
18,001,420 $0 8,140,138
(Indirect)
View
2017-07-03
Conversion
2017-07-06
5:17 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN BASKETT FOREST
10% Owner
2,216,626 $0 8,140,138
(Indirect)
View
2017-07-03
Conversion
2017-07-06
5:16 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN BARRIS PETER J
10% Owner
7,140,138 $0 8,140,138
(Indirect)
View
2017-07-03
Conversion
2017-07-06
5:16 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN BARRIS PETER J
10% Owner
11,931,173 $0 8,140,138
(Indirect)
View
2017-07-03
Conversion
2017-07-06
5:16 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN BARRIS PETER J
10% Owner
18,001,420 $0 8,140,138
(Indirect)
View
2017-07-03
Conversion
2017-07-06
5:16 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN BARRIS PETER J
10% Owner
2,216,626 $0 8,140,138
(Indirect)
View
2017-07-03
Conversion
2017-07-06
5:16 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN BARRETT M JAMES
10% Owner
7,140,138 $0 8,140,138
(Indirect)
View
2017-07-03
Conversion
2017-07-06
5:16 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN BARRETT M JAMES
10% Owner
11,931,173 $0 8,140,138
(Indirect)
View
2017-07-03
Conversion
2017-07-06
5:16 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN BARRETT M JAMES
10% Owner
18,001,420 $0 8,140,138
(Indirect)
View
2017-07-03
Conversion
2017-07-06
5:16 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN BARRETT M JAMES
10% Owner
2,216,626 $0 8,140,138
(Indirect)
View
2017-07-03
Conversion
2017-07-06
5:16 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN New Enterprise Associates 14 L.P.
NEA Partners 14 L.P.
NEA 14 GP LTD
10% Owner
7,140,138 $0 8,140,138
(Direct)
View
2017-07-03
Conversion
2017-07-06
5:16 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN New Enterprise Associates 14 L.P.
NEA Partners 14 L.P.
NEA 14 GP LTD
10% Owner
11,931,173 $0 8,140,138
(Direct)
View
2017-07-03
Conversion
2017-07-06
5:16 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN New Enterprise Associates 14 L.P.
NEA Partners 14 L.P.
NEA 14 GP LTD
10% Owner
18,001,420 $0 8,140,138
(Direct)
View
2017-07-03
Conversion
2017-07-06
5:16 pm
N/A
N/A
Mersana Therapeutics Inc. MRSN New Enterprise Associates 14 L.P.
NEA Partners 14 L.P.
NEA 14 GP LTD
10% Owner
2,216,626 $0 8,140,138
(Direct)
View
2017-07-03
Conversion
2017-07-06
10:41 am
N/A
N/A
Mersana Therapeutics Inc. MRSN FMR LLC
See Remark 1
718,375 $0 1,329,981
(Indirect)
View
2017-07-03
Conversion
2017-07-06
10:41 am
N/A
N/A
Mersana Therapeutics Inc. MRSN FMR LLC
See Remark 1
611,606 $0 1,329,981
(Indirect)
View
2017-07-03
Conversion
2017-07-06
10:41 am
N/A
N/A
Mersana Therapeutics Inc. MRSN FMR LLC
See Remark 1
718,375 $0 1,329,981
(Indirect)
View
2017-07-03
Conversion
2017-07-06
10:41 am
N/A
N/A
Mersana Therapeutics Inc. MRSN FMR LLC
See Remark 1
611,606 $0 1,329,981
(Indirect)
View