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

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 have beem 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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Reported
DateTime
Transaction
Date
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportView
2025-11-14
10:45 am
Purchase
2025-09-3013GKaryopharm Therapeutics Inc.
KPTI
HIGHBRIDGE CAPITAL MANAGEMENT LLC649,984
4.900%
649,984increase
(New Position)
Filing
History
2025-11-07
1:02 pm
Purchase
2025-10-3113GKaryopharm Therapeutics Inc.
KPTI
T. Rowe Price Investment Management, Inc.2,304,242
13.800%
1,575,476increase
(+216.18%)
Filing
History
2025-11-03
4:30 pm
Purchase
2025-10-1413GKaryopharm Therapeutics Inc.
KPTI
J. Wood Capital Advisors LLC1,000,708
4.990%
1,000,708increase
(New Position)
Filing
History
2025-10-30
3:18 pm
Purchase
2025-09-3013GKaryopharm Therapeutics Inc.
KPTI
The Vanguard Group408,222
4.700%
408,222increase
(New Position)
Filing
History
2025-10-17
4:05 pm
Purchase
2025-10-1013GKaryopharm Therapeutics Inc.
KPTI
Opaleye Management Inc.1,569,002
9.480%
1,569,002increase
(New Position)
Filing
History
2025-10-17
1:55 pm
Sale
2025-09-3013GKaryopharm Therapeutics Inc.
KPTI
JPMORGAN CHASE & CO
JPM
0
0.000%
-450,436decrease
(Position Closed)
Filing
2025-08-14
12:12 pm
Purchase
2025-06-3013GKaryopharm Therapeutics Inc.
KPTI
T. Rowe Price Investment Management, Inc.728,766
8.400%
728,766increase
(New Position)
Filing
History
2025-07-16
09:34 am
Purchase
2025-06-3013GKaryopharm Therapeutics Inc.
KPTI
JPMORGAN CHASE & CO
JPM
450,436
5.200%
450,436increase
(New Position)
Filing
History
2025-04-10
5:23 pm
Purchase
2025-04-0313GKaryopharm Therapeutics Inc.
KPTI
Affinity Asset Advisors, LLC664,224
7.830%
664,224increase
(New Position)
Filing
History
2025-02-12
09:36 am
Purchase
2024-12-3113GKaryopharm Therapeutics Inc.
KPTI
Adage Capital Management, L.P.436,737
5.180%
436,737increase
(New Position)
Filing
History
2024-11-14
4:22 pm
Sale
2024-09-3013GKaryopharm Therapeutics Inc.
KPTI
Avidity Partners Management LP316,071
3.700%
-429,846decrease
(-57.63%)
Filing
History
2024-11-12
3:50 pm
Unchanged
2024-09-3013GKaryopharm Therapeutics Inc.
KPTI
The Vanguard Group510,299
6.130%
0
(Unchanged)
Filing
History
2024-11-04
11:49 am
Sale
2024-09-3013GKaryopharm Therapeutics Inc.
KPTI
The Vanguard Group510,299
6.130%
-70,378decrease
(-12.12%)
Filing
History
2024-10-25
09:30 am
Purchase
2024-09-3013GKaryopharm Therapeutics Inc.
KPTI
HIGHBRIDGE CAPITAL MANAGEMENT LLC649,659
7.200%
649,659increase
(New Position)
Filing
History
2024-07-08
4:32 pm
Sale
2024-06-3013GKaryopharm Therapeutics Inc.
KPTI
BlackRock Inc.
BLK
277,986
3.500%
-393,459decrease
(-58.60%)
Filing
History
2024-05-23
4:30 pm
Purchase
2024-05-1313GKaryopharm Therapeutics Inc.
KPTI
J. Wood Capital Advisors LLC458,135
5.500%
458,135increase
(New Position)
Filing
History
2024-02-14
4:52 pm
Sale
2023-12-3113GKaryopharm Therapeutics Inc.
KPTI
Palo Alto Investors LP340,146
4.450%
-24,551decrease
(-6.73%)
Filing
History
2024-02-14
10:33 am
Sale
2023-12-3113GKaryopharm Therapeutics Inc.
KPTI
Avidity Partners Management LP745,916
9.500%
-12,822decrease
(-1.69%)
Filing
History
2024-02-13
5:07 pm
Purchase
2023-12-2913GKaryopharm Therapeutics Inc.
KPTI
The Vanguard Group580,677
7.600%
580,677increase
(New Position)
Filing
History
2024-02-12
06:06 am
Sale
2023-12-3113GKaryopharm Therapeutics Inc.
KPTI
Rubric Capital Management LP0
0.000%
-552,975decrease
(Position Closed)
Filing
History
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