Stock chart
Ticker: MRNS Exchange: NMS


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Purchase Sale Planned purchase Planned sale Net purchase Net sale Earnings
Earnings
 
Value bought

Past 90 days

 
Value sold

Past 90 days

 
Net insiders buying

Past 90 days

 
Trades (buy and sell)

Past 90 days

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 Value Details
2025-01-23 2025-01-21 PS Planned sale

Ezickson Elan

Non-Executive Director
1,600 -12.8%
0.54
USD 864
1,600 -12.8% 0.54 USD 864
2025-01-23 2025-01-21 PS Planned sale

Johnson Marvin

Non-Executive Director
1,610 -11.4%
0.54
USD 869
1,610 -11.4% 0.54 USD 869
2025-02-11 2024-08-14 PP Planned purchase

Braunstein Scott

CHAIRMAN AND CEO

Executive Director
5,933 +2.0%
1.10
USD 6,526
5,933 +2.0% 1.10 USD 6,526
2024-08-07 2024-08-05 PS Planned sale

Braunstein Scott

CHAIRMAN AND CEO

Executive Director
12,145 -3.9%
1.13
USD 13,724
12,145 -3.9% 1.13 USD 13,724
2024-08-07 2024-08-05 PS Planned sale

Hulihan Joseph

CHIEF MEDICAL OFFICER

Officer
4,828 -6.2%
1.13
USD 5,456
4,828 -6.2% 1.13 USD 5,456
2024-08-07 2024-08-05 PS Planned sale

MANNING MARTHA E

SVP, GEN. COUNSEL & CORP. SEC.

Officer
3,621 -5.7%
1.13
USD 4,092
3,621 -5.7% 1.13 USD 4,092
2024-08-07 2024-08-05 PS Planned sale

Shafer Christina

CHIEF COMMERCIAL OFFICER

Officer
3,820 -5.4%
1.14
USD 4,355
3,820 -5.4% 1.14 USD 4,355
2024-08-07 2024-08-05 PS Planned sale

Pfanstiel Steven

CFO AND COO

Officer
4,657 -5.5%
1.13
USD 5,262
4,657 -5.5% 1.13 USD 5,262
2024-02-22 2024-02-20 PS Planned sale

MANNING MARTHA E

SVP, GEN. COUNSEL & CORP. SEC.

Officer
1,894 -3.5%
9.57
USD 18,126
1,894 -3.5% 9.57 USD 18,126
2024-02-22 2024-02-20 PS Planned sale

Shafer Christina

CHIEF COMMERCIAL OFFICER

Officer
2,153 -3.4%
9.56
USD 20,583
2,153 -3.4% 9.56 USD 20,583
2024-02-21 2024-02-16 PS Planned sale

Pfanstiel Steven

CFO AND COO

Officer
3,092 -4.1%
9.97
USD 30,827
3,092 -4.1% 9.97 USD 30,827
2024-02-21 2024-02-16 PS Planned sale

Hulihan Joseph

CHIEF MEDICAL OFFICER

Officer
2,814 -4.1%
9.98
USD 28,084
2,814 -4.1% 9.98 USD 28,084
2024-02-21 2024-02-16 PS Planned sale

Braunstein Scott

CHAIRMAN AND CEO

Executive Director
11,850 -5.0%
9.94
USD 117,789
11,850 -5.0% 9.94 USD 117,789
2023-08-08 2023-08-08 PS Planned sale

Shafer Christina

CHIEF COMMERCIAL OFFICER

Officer
11 -0.0%
8.93
USD 98
11 -0.0% 8.93 USD 98
2023-08-08 2023-08-08 PS Planned sale

Braunstein Scott

CHAIRMAN AND CEO

Executive Director
30 -0.0%
8.94
USD 268
30 -0.0% 8.94 USD 268
2023-08-08 2023-08-08 PS Planned sale

Pfanstiel Steven

CFO AND COO

Officer
14 -0.0%
8.93
USD 125
14 -0.0% 8.93 USD 125
2023-08-08 2023-08-08 PS Planned sale

Hulihan Joseph

CHIEF MEDICAL OFFICER

Officer
13 -0.0%
8.93
USD 116
13 -0.0% 8.93 USD 116
2023-08-08 2023-08-08 PS Planned sale

MANNING MARTHA E

SVP, GEN. COUNSEL & CORP. SEC.

Officer
11 -0.0%
8.93
USD 98
11 -0.0% 8.93 USD 98
2023-08-08 2023-08-07 PS Planned sale

Shafer Christina

CHIEF COMMERCIAL OFFICER

Officer
2,385 -5.5%
9.52
USD 22,705
2,385 -5.5% 9.52 USD 22,705
2023-08-08 2023-08-07 PS Planned sale

Braunstein Scott

CHAIRMAN AND CEO

Executive Director
6,413 -3.8%
9.55
USD 61,244
6,413 -3.8% 9.55 USD 61,244
2023-08-08 2023-08-07 PS Planned sale

Pfanstiel Steven

CFO AND COO

Officer
2,790 -5.4%
9.54
USD 26,617
2,790 -5.4% 9.54 USD 26,617
2023-08-08 2023-08-07 PS Planned sale

Hulihan Joseph

CHIEF MEDICAL OFFICER

Officer
2,889 -5.7%
9.55
USD 27,590
2,889 -5.7% 9.55 USD 27,590
2023-08-08 2023-08-07 PS Planned sale

MANNING MARTHA E

SVP, GEN. COUNSEL & CORP. SEC.

Officer
2,169 -6.2%
9.54
USD 20,692
2,169 -6.2% 9.54 USD 20,692
2023-02-08 2023-02-06 PS Planned sale

Fischer Seth H. Z.

Non-Executive Director
1,018 -14.5%
6.54
USD 6,658
1,018 -14.5% 6.54 USD 6,658
2023-02-08 2023-02-06 PS Planned sale

Ezickson Elan

Non-Executive Director
750 -11.8%
6.56
USD 4,920
750 -11.8% 6.56 USD 4,920
2023-02-08 2023-02-06 PS Planned sale

Austin Charles

Non-Executive Director
1,073 -16.9%
6.49
USD 6,964
1,073 -16.9% 6.49 USD 6,964
2021-03-16 2021-03-15 S Sale

VITULLO NICOLE

Non-Executive Director
4,250 -100.0%
15.87
USD 67,448
4,250 -100.0% 15.87 USD 67,448
2021-03-11 2021-03-09 PS Planned sale

Smith Edward F

Former VP, CFO & Treasurer

Officer
40,356 -75.2%
17.80
USD 718,337
40,356 -75.2% 17.80 USD 718,337
2020-02-03 2020-01-30 S Sale

Smith Edward F

CFO

2,380 -11.8%
2.05
USD 4,879
2,380 -11.8% 2.05 USD 4,879
2019-12-13 2019-12-13 B Purchase

Braunstein Scott

Chief Executive Officer

Executive Director
100,000 +inf%
1.25
USD 125,000
100,000 +inf% 1.25 USD 125,000
2019-05-20 2019-05-16 PS Planned sale

Smith Edward F

CFO

Officer
24,211 -54.6%
5.03
USD 121,781
24,211 -54.6% 5.03 USD 121,781
2019-01-30 2019-01-29 S Sale

Smith Edward F

CFO

Officer
2,492 -5.3%
3.06
USD 7,626
2,492 -5.3% 3.06 USD 7,626
2019-01-30 2019-01-28 S Sale

Cashman Christopher Michael

CEO

Executive Director
8,142 -3.3%
3.13
USD 25,484
8,142 -3.3% 3.13 USD 25,484
2018-01-29 2018-01-29 S Sale

Smith Edward F

CFO

Officer
3,000 -5.7%
7.91
USD 23,730
3,000 -5.7% 7.91 USD 23,730
2018-01-22 2018-01-18 S Sale

Cashman Christopher Michael

CEO

Executive Director
9,566 -3.7%
6.28
USD 60,074
9,566 -3.7% 6.28 USD 60,074
2017-12-19 2017-12-19 S Sale

Bain Capital Life Sciences Investors, LLC

Large shareholder
55,229 -1.4%
7.11
USD 392,430
55,229 -1.4% 7.11 USD 392,430
2017-12-19 2017-12-19 S Sale

Bain Capital Life Sciences Investors, LLC

Large shareholder
94,771 -2.3%
7.62
USD 722,240
94,771 -2.3% 7.62 USD 722,240
2017-12-19 2017-12-18 S Sale

Bain Capital Life Sciences Investors, LLC

Large shareholder
300,000 -6.8%
7.50
USD 2,251,440
300,000 -6.8% 7.50 USD 2,251,440
2017-12-19 2017-12-15 S Sale

Bain Capital Life Sciences Investors, LLC

Large shareholder
102,882 -2.3%
8.64
USD 888,489
102,882 -2.3% 8.64 USD 888,489
2017-12-19 2017-12-15 S Sale

Bain Capital Life Sciences Investors, LLC

Large shareholder
719,665 -13.7%
8.02
USD 5,770,202
719,665 -13.7% 8.02 USD 5,770,202
2016-10-24 2016-10-20 S Sale

Mehra Anand

Large shareholder
12,528 -44.7%
1.39
USD 17,401
12,528 -44.7% 1.39 USD 17,401
2016-10-24 2016-10-20 S Sale

Mehra Anand

Large shareholder
13,367 -5.6%
1.39
USD 18,567
13,367 -5.6% 1.39 USD 18,567
2016-10-24 2016-10-20 S Sale

Mehra Anand

Large shareholder
724,788 -39.0%
1.39
USD 1,006,731
724,788 -39.0% 1.39 USD 1,006,731
2016-08-09 2016-08-08 S Sale

Canaan VII LP

Large shareholder
19,950 -1.1%
1.50
USD 29,925
19,950 -1.1% 1.50 USD 29,925
2016-08-09 2016-08-05 S Sale

Canaan VII LP

Large shareholder
129,204 -6.5%
1.50
USD 193,806
129,204 -6.5% 1.50 USD 193,806
2016-08-05 2016-08-04 S Sale

Canaan VII LP

Large shareholder
3,329 -0.2%
1.50
USD 4,994
3,329 -0.2% 1.50 USD 4,994
2016-08-05 2016-08-03 S Sale

Canaan VII LP

Large shareholder
142,254 -6.6%
1.50
USD 213,381
142,254 -6.6% 1.50 USD 213,381
2016-08-02 2016-07-29 S Sale

Canaan VII LP

Large shareholder
24,540 -1.1%
1.71
USD 41,963
24,540 -1.1% 1.71 USD 41,963
2016-07-27 2016-07-27 S Sale

Canaan VII LP

Large shareholder
209 -0.0%
1.80
USD 376
209 -0.0% 1.80 USD 376
2016-07-27 2016-07-26 S Sale

Canaan VII LP

Large shareholder
20,380 -0.9%
1.81
USD 36,888
20,380 -0.9% 1.81 USD 36,888
2016-07-26 2016-07-25 S Sale

Canaan VII LP

Large shareholder
137,617 -5.9%
1.86
USD 255,968
137,617 -5.9% 1.86 USD 255,968
2016-07-26 2016-07-22 S Sale

Canaan VII LP

Large shareholder
133,133 -5.4%
1.94
USD 258,278
133,133 -5.4% 1.94 USD 258,278
2016-02-11 2015-11-06 B Purchase

Cashman Christopher Michael

President and CEO

Executive Director
3,561 +3.2%
5.61
USD 19,977
3,561 +3.2% 5.61 USD 19,977
2015-04-23 2015-04-21 PS Planned sale

Farfel Gail M

Chief Clinical Dev & Reg Offic

Officer
30,000 -100.0%
9.48
USD 284,511
30,000 -100.0% 9.48 USD 284,511
2014-08-07 2014-08-05 B Purchase

Mehra Anand

Non-Executive Director Large shareholder
12,528 +81.0%
8.00
USD 100,224
12,528 +81.0% 8.00 USD 100,224
2014-08-07 2014-08-05 B Purchase

Mehra Anand

Non-Executive Director Large shareholder
13,367 +5.9%
8.00
USD 106,936
13,367 +5.9% 8.00 USD 106,936
2014-08-07 2014-08-05 B Purchase

Mehra Anand

Non-Executive Director Large shareholder
724,788 +63.9%
8.00
USD 5,798,304
724,788 +63.9% 8.00 USD 5,798,304
2014-08-07 2014-08-05 B Purchase

Domain Partners VI, L.P.

Large shareholder
419,744 +20.4%
8.00
USD 3,357,952
419,744 +20.4% 8.00 USD 3,357,952
2014-08-06 2014-08-05 B Purchase

Bloch Stephen M

Non-Executive Director
625,000 +34.0%
8.00
USD 5,000,000
625,000 +34.0% 8.00 USD 5,000,000
2014-08-06 2014-08-05 B Purchase

Canaan VII L P

Non-Executive Director Large shareholder
625,000 +34.0%
8.00
USD 5,000,000
625,000 +34.0% 8.00 USD 5,000,000
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