Mersana Therapeutics Inc (MRSN)

Healthcare Pharmaceuticals & Medical Research Biotechnology & Medical Research

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Ticker: MRSN Exchange: NSM


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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale
Past 90 days
 
Value bought
 
Value sold
 
Net insiders buying
 
Trades (buy and sell)
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PS: Planned sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Total value Details
2024-01-17 2024-01-16 PS Planned sale

Carvajal Alejandra

SVP, Chief Legal Officer

Officer
4,381 -13.8%
2.71
11,873 USD 		4,381 -13.8% 2.71 11,873 USD
2024-01-17 2024-01-16 PS Planned sale

Lowinger Timothy B

SVP, Chief Sci.&Tech. Officer

Officer
10,409 -5.0%
2.71
28,208 USD 		10,409 -5.0% 2.71 28,208 USD
2024-01-17 2024-01-16 PS Planned sale

MISRA TUSHAR

SVP, Chief Manuf. Officer

Officer
3,357 -15.7%
2.71
9,097 USD 		3,357 -15.7% 2.71 9,097 USD
2024-01-17 2024-01-16 PS Planned sale

Protopapas Anna

Non-Executive Director
29,399 -19.0%
2.71
79,671 USD 		29,399 -19.0% 2.71 79,671 USD
2024-01-17 2024-01-16 PS Planned sale

DeSchuytner Brian

SVP, COO & CFO

Officer
9,327 -14.6%
2.71
25,276 USD 		9,327 -14.6% 2.71 25,276 USD
2024-01-17 2024-01-16 PS Planned sale

Bala Mohan

SVP, Chief Development Officer

Officer
3,431 -19.6%
2.71
9,298 USD 		3,431 -19.6% 2.71 9,298 USD
2024-01-17 2024-01-16 PS Planned sale

Mandelia Ashish

VP, Chief Accounting Officer

Officer
5,025 -17.7%
2.71
13,618 USD 		5,025 -17.7% 2.71 13,618 USD
2023-10-27 2023-10-26 PS Planned sale

Bala Mohan

SVP, Chief Development Officer

Officer
1,912 -18.0%
1.13
2,161 USD 		1,912 -18.0% 1.13 2,161 USD
2023-08-18 2023-08-17 PS Planned sale

MISRA TUSHAR

SVP, Chief Manuf. Officer

Officer
1,908 -14.2%
1.18
2,251 USD 		1,908 -14.2% 1.18 2,251 USD
2023-04-28 2023-04-27 PS Planned sale

Carvajal Alejandra

SVP, Chief Legal Officer

Officer
3,944 -16.3%
3.89
15,342 USD 		3,944 -16.3% 3.89 15,342 USD
2023-01-18 2023-01-17 S Sale

Mandelia Ashish

VP, Controller

Officer
3,575 -20.8%
5.74
20,521 USD 		3,575 -20.8% 5.74 20,521 USD
2023-01-18 2023-01-17 S Sale

Carvajal Alejandra

SVP, Chief Legal Officer

Officer
782 -6.6%
5.74
4,489 USD 		782 -6.6% 5.74 4,489 USD
2023-01-18 2023-01-17 S Sale

Yang Arvin

SVP, Chief Medical Officer

Officer
2,209 -6.7%
5.74
12,680 USD 		2,209 -6.7% 5.74 12,680 USD
2023-01-18 2023-01-17 S Sale

Protopapas Anna

President & CEO

Executive Director
17,346 -26.3%
5.74
99,566 USD 		17,346 -26.3% 5.74 99,566 USD
2023-01-18 2023-01-17 S Sale

DeSchuytner Brian

SVP, Chief Financial Officer

Officer
5,131 -13.5%
5.74
29,452 USD 		5,131 -13.5% 5.74 29,452 USD
2023-01-18 2023-01-17 S Sale

Lowinger Timothy B

SVP, Chief Sci.&Tech. Off.

Officer
6,233 -3.3%
5.74
35,777 USD 		6,233 -3.3% 5.74 35,777 USD
2023-01-18 2023-01-17 S Sale

MISRA TUSHAR

SVP, CMO

Officer
458 -7.2%
5.74
2,629 USD 		458 -7.2% 5.74 2,629 USD
2022-12-02 2022-12-01 S Sale

Yang Arvin

Chief Medical Officer

Officer
5,527 -17.6%
6.59
36,423 USD 		5,527 -17.6% 6.59 36,423 USD
2022-08-18 2022-08-17 S Sale

MISRA TUSHAR

Chief Manufacturing Officer

Officer
1,879 -30.1%
7.10
13,341 USD 		1,879 -30.1% 7.10 13,341 USD
2022-06-02 2022-06-02 B Purchase

Hack Andrew A. F.

Non-Executive Director
14,760 +0.2%
3.20
47,182 USD 		14,760 +0.2% 3.20 47,182 USD
2022-06-02 2022-05-31 B Purchase

Hack Andrew A. F.

Non-Executive Director
80,759 +0.9%
3.28
264,776 USD 		80,759 +0.9% 3.28 264,776 USD
2022-05-26 2022-05-26 B Purchase

Hack Andrew A. F.

Non-Executive Director
75,000 +0.9%
3.19
238,943 USD 		75,000 +0.9% 3.19 238,943 USD
2022-05-26 2022-05-25 B Purchase

Hack Andrew A. F.

Non-Executive Director
90,155 +1.1%
3.18
286,242 USD 		90,155 +1.1% 3.18 286,242 USD
2022-05-26 2022-05-24 B Purchase

Hack Andrew A. F.

Non-Executive Director
100,000 +1.2%
3.29
328,990 USD 		100,000 +1.2% 3.29 328,990 USD
2022-05-23 2022-05-23 B Purchase

Hack Andrew A. F.

Non-Executive Director
15,599 +0.2%
3.35
52,247 USD 		15,599 +0.2% 3.35 52,247 USD
2022-05-23 2022-05-20 B Purchase

Hack Andrew A. F.

Non-Executive Director
100,000 +1.2%
3.46
345,570 USD 		100,000 +1.2% 3.46 345,570 USD
2022-05-23 2022-05-19 B Purchase

Hack Andrew A. F.

Non-Executive Director
100,000 +1.2%
3.49
348,620 USD 		100,000 +1.2% 3.49 348,620 USD
2022-05-18 2022-05-18 B Purchase

Hack Andrew A. F.

Non-Executive Director
211,268 +2.7%
3.35
707,262 USD 		211,268 +2.7% 3.35 707,262 USD
2022-05-18 2022-05-17 B Purchase

Hack Andrew A. F.

Non-Executive Director
3,440 +0.0%
3.18
10,952 USD 		3,440 +0.0% 3.18 10,952 USD
2022-05-18 2022-05-16 B Purchase

Hack Andrew A. F.

Non-Executive Director
135,292 +1.7%
3.10
419,446 USD 		135,292 +1.7% 3.10 419,446 USD
2022-04-28 2022-04-26 S Sale

Carvajal Alejandra

Chief Legal Officer

Officer
3,948 -29.8%
3.69
14,568 USD 		3,948 -29.8% 3.69 14,568 USD
2022-04-14 2022-04-13 B Purchase

Hack Andrew A. F.

Non-Executive Director
617,284 +8.7%
4.05
2,500,000 USD 		617,284 +8.7% 4.05 2,500,000 USD
2022-04-13 2022-04-12 B Purchase

Hack Andrew A. F.

Non-Executive Director
598,086 +9.2%
4.18
2,499,880 USD 		598,086 +9.2% 4.18 2,499,880 USD
2022-02-08 2022-02-07 B Purchase

Hack Andrew A. F.

Non-Executive Director
1,136,363 +21.1%
4.42
5,022,724 USD 		1,136,363 +21.1% 4.42 5,022,724 USD
2022-01-19 2022-01-18 S Sale

Mandelia Ashish

VP, Controller

Officer
1,982 -37.0%
5.92
11,733 USD 		1,982 -37.0% 5.92 11,733 USD
2022-01-19 2022-01-18 S Sale

Lowinger Timothy B

Chief Science & Tech Off.

Officer
4,741 -3.5%
5.92
28,067 USD 		4,741 -3.5% 5.92 28,067 USD
2022-01-04 2021-12-30 B Purchase

Hack Andrew A. F.

Non-Executive Director
815,000 +17.8%
6.15
5,012,250 USD 		815,000 +17.8% 6.15 5,012,250 USD
2022-01-03 2021-12-29 B Purchase

Hack Andrew A. F.

Non-Executive Director
875,000 +23.7%
5.75
5,031,250 USD 		875,000 +23.7% 5.75 5,031,250 USD
2021-12-02 2021-12-01 S Sale

Yang Arvin

Chief Medical Officer

Officer
5,527 -29.9%
6.81
37,639 USD 		5,527 -29.9% 6.81 37,639 USD
2021-07-19 2021-07-19 S Sale

Lowinger Timothy B

Chief Science & Tech. Officer

Officer
8,496 -10.2%
12.02
102,122 USD 		8,496 -10.2% 12.02 102,122 USD
2021-07-19 2021-07-16 S Sale

Lowinger Timothy B

Chief Science & Tech. Officer

Officer
7,775 -8.5%
12.47
96,954 USD 		7,775 -8.5% 12.47 96,954 USD
2021-06-23 2021-06-21 PS Planned sale

Lowinger Timothy B

Chief Science & Tech. Officer

Officer
2,218 -6.6%
13.78
30,564 USD 		2,218 -6.6% 13.78 30,564 USD
2021-06-23 2021-06-21 PS Planned sale

Lowinger Timothy B

Chief Science & Tech. Officer

Officer
2 -0.0%
13.78
28 USD 		2 -0.0% 13.78 28 USD
2021-05-24 2021-05-20 PS Planned sale

Lowinger Timothy B

Chief Science & Tech. Officer

Officer
2,227 -6.6%
14.10
31,401 USD 		2,227 -6.6% 14.10 31,401 USD
2021-05-24 2021-05-20 PS Planned sale

Lowinger Timothy B

Chief Science & Tech. Officer

Officer
1,875 -5.6%
14.10
26,438 USD 		1,875 -5.6% 14.10 26,438 USD
2021-04-22 2021-04-20 PS Planned sale

Lowinger Timothy B

Chief Science & Tech. Officer

Officer
2,227 -6.6%
15.91
35,432 USD 		2,227 -6.6% 15.91 35,432 USD
2021-04-22 2021-04-20 PS Planned sale

Lowinger Timothy B

Chief Science & Tech. Officer

Officer
1,875 -5.6%
15.91
29,831 USD 		1,875 -5.6% 15.91 29,831 USD
2021-03-24 2021-03-22 PS Planned sale

Lowinger Timothy B

Chief Science & Tech. Officer

Officer
2,227 -6.6%
17.50
38,973 USD 		2,227 -6.6% 17.50 38,973 USD
2021-03-24 2021-03-22 PS Planned sale

Lowinger Timothy B

Chief Science & Tech. Officer

Officer
1,875 -5.6%
17.50
32,813 USD 		1,875 -5.6% 17.50 32,813 USD
2021-03-24 2021-03-22 PS Planned sale

Lowinger Timothy B

Chief Science & Tech. Officer

Officer
2,227 -6.6%
17.50
38,973 USD 		2,227 -6.6% 17.50 38,973 USD
2021-03-24 2021-03-22 PS Planned sale

Lowinger Timothy B

Chief Science & Tech. Officer

Officer
1,874 -5.6%
17.50
32,795 USD 		1,874 -5.6% 17.50 32,795 USD
2021-02-24 2021-02-22 PS Planned sale

Lowinger Timothy B

Chief Science & Tech. Officer

Officer
2,227 -6.6%
20.01
44,562 USD 		2,227 -6.6% 20.01 44,562 USD
2021-02-24 2021-02-22 PS Planned sale

Lowinger Timothy B

Chief Science & Tech. Officer

Officer
1,875 -5.6%
20.01
37,519 USD 		1,875 -5.6% 20.01 37,519 USD
2021-02-24 2021-02-22 PS Planned sale

Lowinger Timothy B

Chief Science & Tech. Officer

Officer
2,227 -6.6%
20.01
44,562 USD 		2,227 -6.6% 20.01 44,562 USD
2021-02-24 2021-02-22 PS Planned sale

Lowinger Timothy B

Chief Science & Tech. Officer

Officer
1,874 -5.6%
20.01
37,499 USD 		1,874 -5.6% 20.01 37,499 USD
2021-01-22 2021-01-20 PS Planned sale

Lowinger Timothy B

Chief Science & Tech. Officer

Officer
2,227 -6.6%
21.54
47,970 USD 		2,227 -6.6% 21.54 47,970 USD
2021-01-22 2021-01-20 PS Planned sale

Lowinger Timothy B

Chief Science & Tech. Officer

Officer
1,875 -5.6%
21.54
40,388 USD 		1,875 -5.6% 21.54 40,388 USD
2021-01-22 2021-01-20 PS Planned sale

Lowinger Timothy B

Chief Science & Tech. Officer

Officer
2,227 -6.6%
21.54
47,970 USD 		2,227 -6.6% 21.54 47,970 USD
2021-01-22 2021-01-20 PS Planned sale

Lowinger Timothy B

Chief Science & Tech. Officer

Officer
1,874 -5.6%
21.54
40,366 USD 		1,874 -5.6% 21.54 40,366 USD
2021-01-20 2021-01-19 PS Planned sale

Mandelia Ashish

VP, Controller

Officer
545 -100.0%
21.28
11,598 USD 		545 -100.0% 21.28 11,598 USD
2021-01-12 2021-01-12 B Purchase

Hack Andrew A. F.

Non-Executive Director
75,000 +2.1%
18.16
1,362,000 USD 		75,000 +2.1% 18.16 1,362,000 USD
2021-01-12 2021-01-11 B Purchase

Hack Andrew A. F.

Non-Executive Director
75,000 +2.1%
18.52
1,389,000 USD 		75,000 +2.1% 18.52 1,389,000 USD
2021-01-12 2021-01-08 B Purchase

Hack Andrew A. F.

Non-Executive Director
100,000 +2.9%
18.39
1,839,000 USD 		100,000 +2.9% 18.39 1,839,000 USD
2021-01-06 2021-01-04 PS Planned sale

Mandelia Ashish

VP, Controller

Officer
247 -100.0%
26.76
6,610 USD 		247 -100.0% 26.76 6,610 USD
2020-12-22 2020-12-21 PS Planned sale

Lowinger Timothy B

Chief Science & Tech. Officer

Officer
2,227 -100.0%
25.60
57,011 USD 		2,227 -100.0% 25.60 57,011 USD
2020-12-22 2020-12-21 PS Planned sale

Lowinger Timothy B

Chief Science & Tech. Officer

Officer
1,875 -100.0%
25.60
48,000 USD 		1,875 -100.0% 25.60 48,000 USD
2020-12-22 2020-12-21 PS Planned sale

Lowinger Timothy B

Chief Science & Tech. Officer

Officer
2,227 -100.0%
25.59
56,989 USD 		2,227 -100.0% 25.59 56,989 USD
2020-12-22 2020-12-21 PS Planned sale

Lowinger Timothy B

Chief Science & Tech. Officer

Officer
1,874 -100.0%
25.59
47,956 USD 		1,874 -100.0% 25.59 47,956 USD
2020-11-24 2020-11-20 PS Planned sale

Lowinger Timothy B

Chief Science & Tech. Officer

Officer
2,227 -100.0%
23.04
51,310 USD 		2,227 -100.0% 23.04 51,310 USD
2020-11-24 2020-11-20 PS Planned sale

Lowinger Timothy B

Chief Science & Tech. Officer

Officer
1,875 -100.0%
23.04
43,200 USD 		1,875 -100.0% 23.04 43,200 USD
2020-11-24 2020-11-20 PS Planned sale

Lowinger Timothy B

Chief Science & Tech. Officer

Officer
2,227 -100.0%
23.06
51,355 USD 		2,227 -100.0% 23.06 51,355 USD
2020-11-24 2020-11-20 PS Planned sale

Lowinger Timothy B

Chief Science & Tech. Officer

Officer
1,874 -100.0%
23.06
43,214 USD 		1,874 -100.0% 23.06 43,214 USD
2020-10-22 2020-10-21 PS Planned sale

Lowinger Timothy B

Chief Science & Tech. Officer

Officer
2,227 -11.7%
17.50
38,973 USD 		2,227 -11.7% 17.50 38,973 USD
2020-10-22 2020-10-21 PS Planned sale

Lowinger Timothy B

Chief Science & Tech. Officer

Officer
1,874 -10.0%
17.50
32,795 USD 		1,874 -10.0% 17.50 32,795 USD
2020-10-22 2020-10-20 PS Planned sale

Lowinger Timothy B

Chief Science & Tech. Officer

Officer
2,227 -100.0%
16.74
37,280 USD 		2,227 -100.0% 16.74 37,280 USD