Activist 13D/13G Filings - MARINUS PHARMACEUTICALS INC. (MRNS)

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares are not adjusted for stock split.
"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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Time period
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Reported
DateTime
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportFiling
2024-04-25
5:51 pm
Purchase
13GMARINUS PHARMACEUTICALS INC.
MRNS
CITADEL ADVISORS LLC222,335
0.4%
222,335increase
(New Position)
View
2024-04-19
06:04 am
Purchase
13GMARINUS PHARMACEUTICALS INC.
MRNS
TANG CAPITAL PARTNERS LP4,502,857
8.2%
4,502,857increase
(New Position)
View
2024-02-14
4:18 pm
Sale
13GMARINUS PHARMACEUTICALS INC.
MRNS
Lion Point Capital LP2,134,337
3.9%
-2,645,311decrease
(-55.35%)
View
2024-02-14
3:07 pm
Purchase
13GMARINUS PHARMACEUTICALS INC.
MRNS
Cormorant Asset Management LP3,250,000
5.96%
450,000increase
(+16.07%)
View
2024-02-14
12:18 pm
Purchase
13GMARINUS PHARMACEUTICALS INC.
MRNS
EVENTIDE ASSET MANAGEMENT LLC4,529,997
8.3%
1,379,997increase
(+43.81%)
View
2024-02-14
10:35 am
Purchase
13GMARINUS PHARMACEUTICALS INC.
MRNS
PRUDENTIAL FINANCIAL INC
PRU
3,309,991
6.07%
3,309,991increase
(New Position)
View
2024-02-14
10:06 am
Sale
13GMARINUS PHARMACEUTICALS INC.
MRNS
Point72 Asset Management L.P.493,400
0.9%
-3,021,956decrease
(-85.96%)
View
2024-02-14
09:04 am
Unchanged
13GMARINUS PHARMACEUTICALS INC.
MRNS
Avoro Capital Advisors LLC3,150,000
5.8%
0
(Unchanged)
View
2024-02-13
12:13 pm
Purchase
13GMARINUS PHARMACEUTICALS INC.
MRNS
SUVRETTA CAPITAL MANAGEMENT LLC5,463,641
9.99%
491,981increase
(+9.90%)
View
2024-02-08
1:56 pm
Purchase
13GMARINUS PHARMACEUTICALS INC.
MRNS
JENNISON ASSOCIATES LLC2,959,161
5.4%
2,959,161increase
(New Position)
View
2024-02-07
07:25 am
Sale
13GMARINUS PHARMACEUTICALS INC.
MRNS
ADAGE CAPITAL PARTNERS GP L.L.C.2,581,250
4.73%
-175,000decrease
(-6.35%)
View
2024-02-06
11:58 am
Purchase
13GMARINUS PHARMACEUTICALS INC.
MRNS
FRANKLIN RESOURCES INC
BEN
3,833,955
7%
3,833,955increase
(New Position)
View
2024-01-25
4:59 pm
Purchase
13GMARINUS PHARMACEUTICALS INC.
MRNS
BlackRock Inc.
BLK
4,599,278
8.4%
3,657,967increase
(+388.60%)
View
2023-10-10
4:01 pm
Purchase
13GMARINUS PHARMACEUTICALS INC.
MRNS
Cormorant Asset Management LP2,800,000
5.53%
2,800,000increase
(New Position)
View
2023-07-06
4:20 pm
Purchase
13GMARINUS PHARMACEUTICALS INC.
MRNS
ADAGE CAPITAL PARTNERS GP L.L.C.2,756,250
5.45%
1,293,750increase
(+88.46%)
View
2023-02-14
4:25 pm
Purchase
13GMARINUS PHARMACEUTICALS INC.
MRNS
Point72 Asset Management L.P.3,515,356
7.1%
116,695increase
(+3.43%)
View
2023-02-14
4:15 pm
Purchase
13GMARINUS PHARMACEUTICALS INC.
MRNS
Lion Point Capital LP4,779,648
9.9%
1,150,026increase
(+31.68%)
View
2023-02-14
4:07 pm
Sale
13GMARINUS PHARMACEUTICALS INC.
MRNS
Venrock Healthcare Capital Partners II L.P.1,770,705
3.7%
-1,109,391decrease
(-38.52%)
View
2023-02-14
2:35 pm
Sale
13GMARINUS PHARMACEUTICALS INC.
MRNS
683 Capital Management LLC90,000
0.2%
-1,842,829decrease
(-95.34%)
View
2023-02-14
1:32 pm
Purchase
13GMARINUS PHARMACEUTICALS INC.
MRNS
EVENTIDE ASSET MANAGEMENT LLC3,150,000
6.6%
3,150,000increase
(New Position)
View
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