Activist 13D/13G Filings - Karyopharm Therapeutics Inc. (KPTI)

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
2024-11-04
11:49 am
Sale
13GKARYOPHARM THERAPEUTICS INC
KPTI
VANGUARD GROUP INC7,654,482
6.130%
-1,055,676decrease
(-12.12%)
View
2024-10-25
09:30 am
Purchase
13GKARYOPHARM THERAPEUTICS INC
KPTI
HIGHBRIDGE CAPITAL MANAGEMENT LLC9,744,885
7.200%
9,744,885increase
(New Position)
View
2024-07-08
4:32 pm
Sale
13GKARYOPHARM THERAPEUTICS INC
KPTI
BlackRock Inc.
BLK
4,169,788
3.500%
-5,901,889decrease
(-58.60%)
View
2024-05-23
4:30 pm
Purchase
13GKARYOPHARM THERAPEUTICS INC
KPTI
J. WOOD CAPITAL ADVISORS LLC6,872,027
5.500%
6,872,027increase
(New Position)
View
2024-02-14
4:52 pm
Sale
13GKARYOPHARM THERAPEUTICS INC
KPTI
Palo Alto Investors LP5,102,193
4.450%
-553,483decrease
(-9.79%)
View
2024-02-14
10:33 am
Sale
13GKARYOPHARM THERAPEUTICS INC
KPTI
Avidity Partners Management LP11,188,743
9.500%
-192,330decrease
(-1.69%)
View
2024-02-13
5:07 pm
Purchase
13GKARYOPHARM THERAPEUTICS INC
KPTI
VANGUARD GROUP INC8,710,158
7.600%
8,710,158increase
(New Position)
View
2024-02-12
06:06 am
Sale
13GKARYOPHARM THERAPEUTICS INC
KPTI
Rubric Capital Management LP0
0.000%
-8,294,621decrease
(Position Closed)
View
2024-01-25
1:48 pm
Purchase
13GKARYOPHARM THERAPEUTICS INC
KPTI
BlackRock Inc.
BLK
10,071,677
8.800%
1,563,440increase
(+18.38%)
View
2024-01-22
1:50 pm
Sale
13GKARYOPHARM THERAPEUTICS INC
KPTI
STATE STREET CORP
STT
2,053,773
1.790%
-158,594decrease
(-7.17%)
View
2023-07-10
2:26 pm
Sale
13GKARYOPHARM THERAPEUTICS INC
KPTI
STATE STREET CORP
STT
2,212,367
1.940%
-6,074,669decrease
(-73.30%)
View
2023-02-14
4:21 pm
Purchase
13GKARYOPHARM THERAPEUTICS INC
KPTI
Palo Alto Investors LP5,655,676
5.000%
185,224increase
(+3.39%)
View
2023-02-14
4:06 pm
Sale
13GKARYOPHARM THERAPEUTICS INC
KPTI
COMMODORE CAPITAL LP1,935,609
1.700%
-2,075,443decrease
(-51.74%)
View
2023-02-14
3:41 pm
Sale
13GKARYOPHARM THERAPEUTICS INC
KPTI
Chione Ltd4,400,000
3.900%
-600,000decrease
(-12.00%)
View
2023-02-14
3:31 pm
Purchase
13GKARYOPHARM THERAPEUTICS INC
KPTI
Avidity Partners Management LP11,381,073
9.900%
29,254increase
(+0.26%)
View
2023-02-10
4:00 pm
Purchase
13GKARYOPHARM THERAPEUTICS INC
KPTI
Rubric Capital Management LP8,294,621
7.330%
8,294,621increase
(New Position)
View
2023-02-02
12:38 pm
Purchase
13GKARYOPHARM THERAPEUTICS INC
KPTI
STATE STREET CORP
STT
8,287,036
7.320%
2,773,356increase
(+50.30%)
View
2023-01-26
08:52 am
Unchanged
13GKARYOPHARM THERAPEUTICS INC
KPTI
BlackRock Inc.
BLK
8,508,237
10.500%
0
(Unchanged)
View
2023-01-20
5:17 pm
Sale
13GKARYOPHARM THERAPEUTICS INC
KPTI
BlackRock Inc.
BLK
8,508,237
10.500%
-409,969decrease
(-4.60%)
View
2022-12-08
10:22 am
Purchase
13GKARYOPHARM THERAPEUTICS INC
KPTI
Avidity Partners Management LP11,351,819
9.900%
11,351,819increase
(New Position)
View
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