Insider Trading & Ownership - Rock Springs Capital Master Fund LP

Real time insider trading transaction history:

  • Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
  • 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
Insider Trading Transactions for Rock Springs Capital Master Fund LP
Common stock purchase or sale:
Transaction
Date
Reported
DateTime
CompanySymbolInsider
Relationship
Shares
Traded
Average
Price
Total
Amount
Shares
Owned
Filing
2021-10-26
Purchase
2021-10-26
5:04 pm
Xilio Therapeutics Inc.XLORock Springs Capital Management LP
Rock Springs Capital LLC
Rock Springs Capital Master Fund LP
Four Pines Master Fund LP
10% Owner
500,000$16$8,000,0001,256,472
(Indirect)
View
2021-10-12
Purchase
2021-10-14
5:00 pm
Theseus Pharmaceuticals Inc.THRXRock Springs Capital Management LP
Rock Springs Capital Master Fund LP
Rock Springs Capital LLC
10% Owner
250,000$16$4,000,000599,320
(Indirect)
View
2021-06-21
Purchase
2021-06-22
5:20 pm
Verve Therapeutics Inc.VERVRock Springs Capital Management LP
Rock Springs Capital Master Fund LP
Rock Springs Capital LLC
10% Owner
370,000$19$7,030,000152,926
(Indirect)
View
2020-11-03
Purchase
2020-11-04
4:05 pm
Atea Pharmaceuticals Inc.AVIRRock Springs Capital Management LP
Rock Springs Capital Master Fund LP
Rock Springs Capital LLC
10% Owner
250,000$24$6,000,000289,695
(Indirect)
View
2020-07-28
Purchase
2020-07-28
8:53 pm
Inozyme Pharma Inc.INZYRock Springs Capital Management LP
Rock Springs Capital Master Fund LP
Rock Springs Capital LLC
10% Owner
600,000$16$9,600,0001,067,884
(Indirect)
View
2020-03-16
Purchase
2020-03-16
5:04 pm
IMARA Inc.IMRARock Springs Capital Management LP
Rock Springs Capital Master Fund LP
Rock Springs Capital LLC
10% Owner
250,000$16$4,000,000523,411
(Indirect)
View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
CompanySymnbolInsider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing

Ownership
2022-01-10
5:15 pm
N/A
N/A
Tempest Therapeutics Inc.TPSTRock Springs Capital Management LP
Rock Springs Capital LLC
Rock Springs Capital Master Fund LP
10% Owner
0$0823,654
(Indirect)
View
2021-10-26
Conversion
2021-10-26
5:04 pm
N/A
N/A
Xilio Therapeutics Inc.XLORock Springs Capital Management LP
Rock Springs Capital LLC
Rock Springs Capital Master Fund LP
Four Pines Master Fund LP
10% Owner
9,531,553$01,256,472
(Indirect)
View

Ownership
2021-10-21
8:51 pm
N/A
N/A
Xilio Therapeutics Inc.XLORock Springs Capital Management LP
Rock Springs Capital LLC
Rock Springs Capital Master Fund LP
Four Pines Master Fund LP
10% Owner
0$0907,766
(Indirect)
View
2021-10-12
Conversion
2021-10-14
5:00 pm
N/A
N/A
Theseus Pharmaceuticals Inc.THRXRock Springs Capital Management LP
Rock Springs Capital Master Fund LP
Rock Springs Capital LLC
10% Owner
436,649$0599,320
(Indirect)
View

Ownership
2021-10-06
7:01 pm
N/A
N/A
Theseus Pharmaceuticals Inc.THRXRock Springs Capital Management LP
Rock Springs Capital Master Fund LP
Rock Springs Capital LLC
10% Owner
0$0436,649
(Indirect)
View
2021-06-21
Conversion
2021-06-22
5:20 pm
N/A
N/A
Verve Therapeutics Inc.VERVRock Springs Capital Management LP
Rock Springs Capital Master Fund LP
Rock Springs Capital LLC
10% Owner
7,276,290$0152,926
(Indirect)
View

Ownership
2021-06-16
7:15 pm
N/A
N/A
Verve Therapeutics Inc.VERVRock Springs Capital Management LP
Rock Springs Capital Master Fund LP
Rock Springs Capital LLC
10% Owner
0$0709,224
(Indirect)
View
2020-11-03
Conversion
2020-11-04
4:05 pm
N/A
N/A
Atea Pharmaceuticals Inc.AVIRRock Springs Capital Management LP
Rock Springs Capital Master Fund LP
Rock Springs Capital LLC
10% Owner
3,388,838$0289,695
(Indirect)
View

Ownership
2020-10-29
8:50 pm
N/A
N/A
Atea Pharmaceuticals Inc.AVIRRock Springs Capital Management LP
Rock Springs Capital Master Fund LP
Rock Springs Capital LLC
10% Owner
0$01,694,419
(Indirect)
View
2020-07-28
Conversion
2020-07-28
8:53 pm
N/A
N/A
Inozyme Pharma Inc.INZYRock Springs Capital Management LP
Rock Springs Capital Master Fund LP
Rock Springs Capital LLC
10% Owner
3,964,388$01,067,884
(Indirect)
View

Ownership
2020-07-23
9:31 pm
N/A
N/A
Inozyme Pharma Inc.INZYRock Springs Capital Management LP
Rock Springs Capital Master Fund LP
Rock Springs Capital LLC
10% Owner
0$0467,884
(Indirect)
View
2020-03-16
Conversion
2020-03-16
5:04 pm
N/A
N/A
IMARA Inc.IMRARock Springs Capital Management LP
Rock Springs Capital Master Fund LP
Rock Springs Capital LLC
10% Owner
1,995,633$0523,411
(Indirect)
View

Ownership
2020-03-11
6:37 pm
N/A
N/A
IMARA Inc.IMRARock Springs Capital Management LP
Rock Springs Capital Master Fund LP
Rock Springs Capital LLC
10% Owner
0$0273,411
(Indirect)
View