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
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
2023-02-14
2:53 pm
Purchase
13GIMMUNOCORE HLDGS PLC ADS
IMCR
Rock Springs Capital Management LP3,321,066
7.33%
849,511increase
(+34.37%)
View
2023-02-14
2:51 pm
Purchase
13GAEGLEA BIOTHERAPEUTICS, INC. C
AGLE
Rock Springs Capital Management LP3,413,906
5.55%
3,413,906increase
(New Position)
View
2023-02-14
2:50 pm
Purchase
13GAGIOS PHARMACEUTICALS INC
AGIO
Rock Springs Capital Management LP2,996,592
5.45%
2,996,592increase
(New Position)
View
2023-02-14
2:49 pm
Purchase
13GACLARIS THERAPEUTICS INC
ACRS
Rock Springs Capital Management LP3,961,249
5.94%
99,902increase
(+2.59%)
View
2022-04-25
3:05 pm
Purchase
13GINOZYME PHARMA INC
INZY
Rock Springs Capital Management LP2,452,637
6.12%
2,452,637increase
(New Position)
View
2022-02-15
12:44 pm
Purchase
13GMEREO BIOPHARMA GROUP PLC ADR
MREO
Rock Springs Capital Management LP5,585,621
5.13%
5,585,621increase
(New Position)
View
2022-02-14
6:27 pm
Sale
13GPROTARA THERAPEUTICS INC
TARA
Rock Springs Capital Management LP0
0%
-643,200decrease
(Position Closed)
View
2022-02-14
6:27 pm
Sale
13GF-STAR THERAPEUTICS INC
FSTX
Rock Springs Capital Management LP751,889
3.65%
-302,343decrease
(-28.68%)
View
2022-02-14
6:26 pm
Sale
13GFIVE PRIME THERAPEUTICS INC
FPRX
Rock Springs Capital Management LP0
0%
-3,041,559decrease
(Position Closed)
View
2022-02-14
6:26 pm
Sale
13GCHIASMA INC
CHMA
Rock Springs Capital Management LP0
0%
-3,243,600decrease
(Position Closed)
View
2022-02-14
6:26 pm
Sale
13GARDELYX INC
ARDX
Rock Springs Capital Management LP0
0%
-5,148,112decrease
(Position Closed)
View
2022-02-14
6:25 pm
Purchase
13GSIERRA ONCOLOGY INC
SRRA
Rock Springs Capital Management LP1,184,793
7.87%
617,435increase
(+108.83%)
View
2022-02-14
6:24 pm
Sale
13GSPRUCE BIOSCIENCES INC
SPRB
Rock Springs Capital Management LP1,622,689
6.92%
-8,311decrease
(-0.51%)
View
2022-02-14
6:24 pm
Purchase
13GPHASEBIO PHARMACEUTICALS INC C
PHAS
Rock Springs Capital Management LP2,581,299
5.37%
1,266,925increase
(+96.39%)
View
2022-02-14
6:23 pm
Purchase
13GMIRUM PHARMACEUTICALS INC
MIRM
Rock Springs Capital Management LP1,538,814
5.02%
42,289increase
(+2.83%)
View
2022-02-14
6:23 pm
Purchase
13GIMMUNOCORE HLDGS PLC ADS
IMCR
Rock Springs Capital Management LP2,471,555
5.64%
141,770increase
(+6.09%)
View
2022-02-14
6:22 pm
Purchase
13GCOMPASS THERAPEUTICS INC
CMPX
Rock Springs Capital Management LP5,328,088
5.44%
4,071increase
(+0.08%)
View
2022-02-14
6:22 pm
Purchase
13GACLARIS THERAPEUTICS INC
ACRS
Rock Springs Capital Management LP3,861,347
6.31%
1,185,247increase
(+44.29%)
View
2022-01-03
4:15 pm
Purchase
13GTEMPEST THERAPEUTICS INC
TPST
Rock Springs Capital Management LP823,654
11.48%
513,493increase
(+165.56%)
View
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