Activist 13D/13G Filings - Rock Springs Capital Management LP

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
What is insider trading>>
Time period
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Reported
DateTime
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportFiling
2024-04-05
2:51 pm
Purchase
13GXILIO THERAPEUTICS INC
XLO
Rock Springs Capital Management LP3,003,259
8.71%
1,562,500increase
(+108.45%)
View
2024-02-14
2:12 pm
Purchase
13GXILIO THERAPEUTICS INC
XLO
Rock Springs Capital Management LP1,440,759
5.23%
1,440,759increase
(New Position)
View
2024-02-14
2:12 pm
Sale
13GTEMPEST THERAPEUTICS INC
TPST
Rock Springs Capital Management LP0
0%
-823,654decrease
(Position Closed)
View
2024-02-14
2:11 pm
Purchase
13GSPRUCE BIOSCIENCES INC
SPRB
Rock Springs Capital Management LP2,609,125
6.41%
986,436increase
(+60.79%)
View
2024-02-14
2:11 pm
Unchanged
13GMEREO BIOPHARMA GROUP PLC ADR
MREO
Rock Springs Capital Management LP39,919,255
5.69%
0
(Unchanged)
View
2024-02-14
2:10 pm
Purchase
13GMEREO BIOPHARMA GROUP PLC ADR
MREO
Rock Springs Capital Management LP39,919,255
6.38%
8,694,770increase
(+27.85%)
View
2024-02-14
2:10 pm
Purchase
13GINOZYME PHARMA INC
INZY
Rock Springs Capital Management LP3,681,174
5.96%
595,147increase
(+19.29%)
View
2024-02-14
2:09 pm
Sale
13GIMMUNOCORE HLDGS PLC ADS
IMCR
Rock Springs Capital Management LP2,661,507
5.38%
-659,559decrease
(-19.86%)
View
2024-02-14
2:08 pm
Unchanged
13GGAMIDA CELL LTD
GMDA
Rock Springs Capital Management LP0
0%
0
(Unchanged)
View
2024-02-14
2:07 pm
Unchanged
13GSPYRE THERAPEUTICS, INC
SYRE
Rock Springs Capital Management LP0
0%
0
(Unchanged)
View
2024-02-14
2:06 pm
Sale
13GAGIOS PHARMACEUTICALS INC
AGIO
Rock Springs Capital Management LP2,152,173
3.85%
-844,419decrease
(-28.18%)
View
2024-02-14
2:06 pm
Sale
13GACLARIS THERAPEUTICS INC
ACRS
Rock Springs Capital Management LP2,998,495
4.23%
-962,754decrease
(-24.30%)
View
2023-02-14
3:01 pm
Sale
13GSIERRA ONCOLOGY INC
SRRA
Rock Springs Capital Management LP0
0%
-1,184,793decrease
(Position Closed)
View
2023-02-14
3:01 pm
Sale
13GPHASEBIO PHARMACEUTICALS INC C
PHAS
Rock Springs Capital Management LP0
0%
-2,581,299decrease
(Position Closed)
View
2023-02-14
3:00 pm
Purchase
13GMIRUM PHARMACEUTICALS INC
MIRM
Rock Springs Capital Management LP1,795,733
4.87%
256,919increase
(+16.70%)
View
2023-02-14
2:58 pm
Purchase
13GCOMPASS THERAPEUTICS INC
CMPX
Rock Springs Capital Management LP5,333,188
4.22%
5,100increase
(+0.10%)
View
2023-02-14
2:57 pm
Unchanged
13GTEMPEST THERAPEUTICS INC
TPST
Rock Springs Capital Management LP823,654
7.83%
0
(Unchanged)
View
2023-02-14
2:56 pm
Unchanged
13GSPRUCE BIOSCIENCES INC
SPRB
Rock Springs Capital Management LP1,622,689
6.89%
0
(Unchanged)
View
2023-02-14
2:55 pm
Purchase
13GMEREO BIOPHARMA GROUP PLC ADR
MREO
Rock Springs Capital Management LP31,224,485
5.34%
25,638,864increase
(+459.02%)
View
2023-02-14
2:54 pm
Purchase
13GINOZYME PHARMA INC
INZY
Rock Springs Capital Management LP3,086,027
7.64%
633,390increase
(+25.82%)
View
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