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
What is insider trading>>
- Peter Lynch
What is insider trading>>
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2026-06-05 11:43 am Sale | 2026-05-31 | 13G | KARYOPHARM THERAPEUTICS INC CO KPTI | T. Rowe Price Investment Management, Inc. | 1,539,147 6.600% | -705,274 (-31.42%) | Filing History |
| 2026-05-15 4:59 pm Unchanged | 2026-03-31 | 13G | KARYOPHARM THERAPEUTICS INC CO KPTI | Ikarian Capital, LLC | 0 0.000% | 0 (Unchanged) | Filing History |
| 2026-05-15 2:58 pm Purchase | 2026-05-13 | 13G | KARYOPHARM THERAPEUTICS INC CO KPTI | ACORN BIOVENTURES, L.P. | 1,518,113 6.700% | 1,518,113 (New Position) | Filing History |
| 2026-05-14 4:05 pm Purchase | 2026-03-31 | 13G | KARYOPHARM THERAPEUTICS INC CO KPTI | Affinity Asset Advisors, LLC | 2,073,517 8.600% | 360,425 (+21.04%) | Filing History |
| 2026-05-13 09:23 am Purchase | 2026-03-31 | 13G | KARYOPHARM THERAPEUTICS INC CO KPTI | Adage Capital Management, L.P. | 1,821,736 8.080% | 1,385,000 (+317.13%) | Filing History |
| 2026-05-12 3:57 pm Purchase | 2026-03-31 | 13G | KARYOPHARM THERAPEUTICS INC CO KPTI | GOLDMAN SACHS GROUP INC GS | 991,364 5.100% | 991,364 (New Position) | Filing History |
| 2026-05-11 4:23 pm Sale | 2026-03-31 | 13G | KARYOPHARM THERAPEUTICS INC CO KPTI | Opaleye Management Inc. | 619,089 2.670% | -949,913 (-60.54%) | Filing History |
| 2026-04-13 5:28 pm Sale | 2026-03-31 | 13G | KARYOPHARM THERAPEUTICS INC CO KPTI | Integrated Core Strategies (US) LLC | 511,571 2.300% | -497,091 (-49.28%) | Filing History |
| 2026-04-02 4:47 pm Purchase | 2026-03-26 | 13G | KARYOPHARM THERAPEUTICS INC CO KPTI | RA CAPITAL MANAGEMENT L.P. | 2,078,913 9.900% | 2,078,913 (New Position) | Filing History |
| 2026-04-02 4:26 pm Purchase | 2026-03-26 | 13G | KARYOPHARM THERAPEUTICS INC CO KPTI | Commodore Capital LP | 1,950,000 9.900% | 1,820,959 (+1411.15%) | Filing History |
| 2026-02-17 10:28 am Sale | 2025-12-31 | 13G | KARYOPHARM THERAPEUTICS INC CO KPTI | T. Rowe Price Investment Management, Inc. | 2,244,421 11.800% | -59,821 (-2.60%) | Filing History |
| 2026-02-12 09:03 am Sale | 2025-12-31 | 13G | KARYOPHARM THERAPEUTICS INC CO KPTI | Adage Capital Management, L.P. | 436,736 2.380% | -1 (-0.00%) | Filing History |
| 2026-02-10 4:48 pm Purchase | 2026-02-04 | 13G | KARYOPHARM THERAPEUTICS INC CO KPTI | Integrated Core Strategies (US) LLC | 1,008,662 5.500% | 1,007,762 (+111973.56%) | Filing History |
| 2026-01-29 9:32 pm Purchase | 2026-01-22 | 13G | KARYOPHARM THERAPEUTICS INC CO KPTI | Affinity Asset Advisors, LLC | 1,713,092 8.600% | 1,048,868 (+157.91%) | Filing History |
| 2025-11-14 10:45 am Purchase | 2025-09-30 | 13G | KARYOPHARM THERAPEUTICS INC CO KPTI | Highbridge Capital Management, LLC | 649,984 4.900% | 325 (+0.05%) | Filing History |
| 2025-11-07 1:02 pm Purchase | 2025-10-31 | 13G | KARYOPHARM THERAPEUTICS INC CO KPTI | T. Rowe Price Investment Management, Inc. | 2,304,242 13.800% | 1,575,476 (+216.18%) | Filing History |
| 2025-11-03 4:30 pm Purchase | 2025-10-14 | 13G | KARYOPHARM THERAPEUTICS INC CO KPTI | J. Wood Capital Advisors LLC | 1,000,708 4.990% | 542,573 (+118.43%) | Filing History |
| 2025-10-30 3:18 pm Sale | 2025-09-30 | 13G | KARYOPHARM THERAPEUTICS INC CO KPTI | VANGUARD GROUP INC | 408,222 4.700% | -102,077 (-20.00%) | Filing History |
| 2025-10-17 4:05 pm Purchase | 2025-10-10 | 13G | KARYOPHARM THERAPEUTICS INC CO KPTI | Opaleye Management Inc. | 1,569,002 9.480% | 1,569,002 (New Position) | Filing History |
| 2025-10-17 1:55 pm Sale | 2025-09-30 | 13G | KARYOPHARM THERAPEUTICS INC CO KPTI | JPMorgan Chase & Co. JPM | 427,624 4.900% | -22,812 (-5.06%) | Filing History |