SEC Form 4 · Updated Daily
KPTI
— KARYOPHARM THERAPEUTICS INC. OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| Hadjimichael Amalia | 10%+ Owner | 9,355,815 | 2014-11-26 | S |
| Hadjimichael Andreas | 10%+ Owner | 6,000,000 | 2019-02-28 | S |
| Czernik Marcin | 10%+ Owner | 6,000,000 | 2019-02-28 | S |
| Chione Ltd | 10%+ Owner | 6,000,000 | 2019-02-28 | S |
| Smolokowski Wiaczeslaw | 10%+ Owner | 6,000,000 | 2019-02-28 | S |
| Hadjimichael George | 10%+ Owner | 6,000,000 | 2019-02-28 | S |
| Plio Ltd | 10%+ Owner | 3,143,473 | 2014-07-23 | S |
| Jankilevitsch Gregory | Reporting Owner | 3,143,473 | 2014-07-23 | S |
| Shacham Sharon | Officer | 958,131 | 2022-03-29 | A |
| Kauffman Michael | Director | 898,131 | 2022-02-28 | S |
| Mason Michael | Officer | 391,054 | 2024-09-04 | S |
| Paulson Richard A. | Director · Officer | 271,950 | 2026-05-13 | A |
| Frenkel Ran | Officer | 169,953 | 2022-02-28 | A |
| Mitchener Stephen | Officer | 134,670 | 2023-02-28 | A |
| Shah Jatin | Officer | 129,450 | 2022-02-17 | S |
| Cheng Sohanya Roshan | Officer | 108,264 | 2026-05-13 | A |
| Mano Michael | Officer | 94,664 | 2026-05-13 | A |
| Poulton Stuart | Officer | 94,632 | 2026-07-28 | S |
| Macomber Lori | Officer | 85,105 | 2026-02-03 | S |
| Primiano Christopher Brett | Officer | 82,647 | 2020-12-01 | M |
| Brannelly Paul | Officer | 66,136 | 2014-05-15 | P |
| Rangwala Reshma | Officer | 57,237 | 2026-05-13 | A |
| Lewis Tanya | Officer | 45,401 | 2021-02-25 | A |
| DEMAREE JOHN | Officer | 23,995 | 2021-02-25 | A |
| Renz Justin A | Officer | 19,173 | 2016-11-09 | S |
| Abate Kristin | Officer | 18,616 | 2026-10-16 | S |
| BOHLIN GAREN G | Director | 18,517 | 2026-05-21 | A |
| Greene Barry E | Director | 16,415 | 2026-05-21 | A |
| Su Zhen | Director | 15,508 | 2026-05-21 | A |
| Schor Chen | Director | 15,508 | 2026-05-21 | A |
| PAKIANATHAN DEEPIKA | Director | 15,508 | 2026-05-21 | A |
| Oliger Christy J. | Director | 15,508 | 2026-05-21 | A |
| Mirza Mansoor Raza | Director | 5,000 | 2020-12-18 | M |
| WEG KENNETH E | Director | 5,000 | 2015-04-02 | A |
| Peters Cameron | Officer | 861 | 2019-01-18 | — |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-10-16 | Abate Kristin | Open-market sale | 4,788 | $0.34 | 18,616 |
| 2026-10-01 | Abate Kristin | Open-market sale | 378 | $1.19 | 23,404 |
| 2026-09-01 | Abate Kristin | Open-market sale | 19 | $2.02 | 23,782 |
| 2026-07-28 | Poulton Stuart | Open-market sale | 189 | $7.10 | 94,632 |
| 2026-05-21 | Greene Barry E | Grant / award | 15,508 | $0.00 | 16,415 |
| 2026-05-21 | BOHLIN GAREN G | Grant / award | 15,508 | $0.00 | 18,517 |
| 2026-05-21 | Su Zhen | Grant / award | 15,508 | $0.00 | 15,508 |
| 2026-05-21 | Schor Chen | Grant / award | 15,508 | $0.00 | 15,508 |
| 2026-05-21 | PAKIANATHAN DEEPIKA | Grant / award | 15,508 | $0.00 | 15,508 |
| 2026-05-21 | Oliger Christy J. | Grant / award | 15,508 | $0.00 | 15,508 |
| 2026-05-14 | Mano Michael | Open-market sale | 266 | $9.50 | 94,398 |
| 2026-05-14 | Paulson Richard A. | Open-market sale | 2,203 | $9.50 | 269,747 |
| 2026-05-14 | Abate Kristin | Open-market sale | 53 | $9.50 | 23,801 |
| 2026-05-14 | Cheng Sohanya Roshan | Open-market sale | 324 | $9.50 | 107,940 |
| 2026-05-14 | Rangwala Reshma | Open-market sale | 408 | $9.50 | 56,829 |
| 2026-05-14 | Poulton Stuart | Open-market sale | 403 | $9.50 | 94,821 |
| 2026-05-13 | Mano Michael | Grant / award | 700 | $0.00 | 94,664 |
| 2026-05-13 | Paulson Richard A. | Grant / award | 4,920 | $0.00 | 271,950 |
| 2026-05-13 | Abate Kristin | Grant / award | 121 | $0.00 | 23,854 |
| 2026-05-13 | Cheng Sohanya Roshan | Grant / award | 947 | $0.00 | 108,264 |
| 2026-05-13 | Rangwala Reshma | Grant / award | 947 | $0.00 | 57,237 |
| 2026-05-13 | Poulton Stuart | Grant / award | 896 | $0.00 | 95,224 |
| 2026-04-21 | Rangwala Reshma | Open-market sale | 449 | $8.94 | 56,290 |
| 2026-03-02 | Poulton Stuart | Open-market sale | 5,101 | $9.41 | 94,328 |
| 2026-03-02 | Paulson Richard A. | Open-market sale | 12,361 | $9.41 | 267,030 |
| 2026-03-02 | Rangwala Reshma | Open-market sale | 5,066 | $9.41 | 56,739 |
| 2026-03-02 | Cheng Sohanya Roshan | Open-market sale | 4,604 | $9.41 | 107,317 |
| 2026-03-02 | Mano Michael | Open-market sale | 3,526 | $9.41 | 93,964 |
| 2026-03-02 | Abate Kristin | Open-market sale | 559 | $9.41 | 22,063 |
| 2026-02-17 | Poulton Stuart | Open-market sale | 378 | $8.63 | 99,429 |
| 2026-02-05 | Paulson Richard A. | Grant / award | 81,060 | $0.00 | 279,391 |
| 2026-02-03 | Macomber Lori | Open-market sale | 1,626 | $6.30 | 85,105 |
| 2026-01-31 | Poulton Stuart | Grant / award | 32,415 | $0.00 | 99,807 |
| 2026-01-31 | Mano Michael | Grant / award | 32,415 | $0.00 | 97,490 |
| 2026-01-31 | Macomber Lori | Grant / award | 32,415 | $0.00 | 86,731 |
| 2026-01-31 | Rangwala Reshma | Grant / award | 32,415 | $0.00 | 61,805 |
| 2026-01-31 | Cheng Sohanya Roshan | Grant / award | 32,415 | $0.00 | 111,921 |
| 2026-01-28 | Abate Kristin | Open-market sale | 50 | $7.03 | 22,622 |
| 2026-01-27 | Abate Kristin | Grant / award | 92 | $0.00 | 22,672 |
| 2026-01-21 | Abate Kristin | Open-market sale | 265 | $5.96 | 22,580 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.