Karyopharm Therapeutics's three largest insider shareholders as of May 04, 2026 are Michael Kauffman (Chief Executive Officer, 1.61Mn shares), Michael Kauffman (Chief Executive Officer, 1.61Mn shares), Richard A. Paulson (President And Ceo, 1.16Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Michael Kauffman | Chief Executive Officer | 713,757 | 898,131 | 02 Mar, 2022 |
| Michael Kauffman | Chief Executive Officer | 713,757 | 898,131 | 02 Mar, 2022 |
| Richard A. Paulson | President And Ceo | 1,164,409 | 0 | 04 Mar, 2024 |
| Richard A. Paulson | President And Ceo | 1,164,409 | 0 | 04 Mar, 2024 |
| Sharon Shacham | Chief Scientific Officer | 958,131 | 0 | 31 Mar, 2022 |
| Sharon Shacham | Chief Scientific Officer | 958,131 | 0 | 31 Mar, 2022 |
| Sharon Shacham | Chief Scientific Officer | 0 | 713,757 | 02 Mar, 2022 |
| Sharon Shacham | Chief Scientific Officer | 0 | 713,757 | 02 Mar, 2022 |
| Michael Mason | Evp, Cfo Treasurer | 398,756 | 0 | 04 Mar, 2024 |
| Michael Mason | Evp, Cfo Treasurer | 398,756 | 0 | 04 Mar, 2024 |
| Sohanya Roshan Cheng | Evp Chief Commercial Officer | 393,509 | 0 | 04 Mar, 2024 |
| Michael Mason | Evp, Cfo Treasurer | 391,054 | 0 | 05 Sep, 2024 |
| Michael Mason | Evp, Cfo Treasurer | 391,054 | 0 | 05 Sep, 2024 |
| Reshma Rangwala | Evp Chief Medical Officer | 349,720 | 0 | 04 Mar, 2024 |
| Reshma Rangwala | Evp Chief Medical Officer | 349,720 | 0 | 04 Mar, 2024 |
| Stuart Poulton | Evp, Chief Development Officer | 329,511 | 0 | 04 Mar, 2024 |
| Stuart Poulton | Evp, Chief Development Officer | 329,511 | 0 | 04 Mar, 2024 |
| Michael Mano | Svp, General Counselsecretary | 277,852 | 0 | 04 Mar, 2024 |
| Michael Mano | Svp, General Counselsecretary | 277,852 | 0 | 04 Mar, 2024 |
| Richard A. Paulson | President And Ceo | 267,030 | 0 | 03 Mar, 2026 |
| Richard A. Paulson | President And Ceo | 267,030 | 0 | 03 Mar, 2026 |
| Ran Frenkel | Evp, Chief Dev. Officer | 168,290 | 0 | 02 Mar, 2022 |
| Jatin Shah | Evp, Chief Medical Officer | 129,450 | 0 | 22 Feb, 2022 |
| Jatin Shah | Evp, Chief Medical Officer | 129,450 | 0 | 22 Feb, 2022 |
| Stephen Mitchener | Svp, Chief Business Officer | 128,313 | 0 | 02 Mar, 2023 |
| Stephen Mitchener | Svp, Chief Business Officer | 128,313 | 0 | 02 Mar, 2023 |
| Sohanya Roshan Cheng | Evp Chief Commercial Officer | 107,317 | 0 | 03 Mar, 2026 |
| Stuart Poulton | Evp, Chief Development Officer | 94,328 | 0 | 03 Mar, 2026 |
| Stuart Poulton | Evp, Chief Development Officer | 94,328 | 0 | 03 Mar, 2026 |
| Michael Mano | Evp, Closecretary | 93,964 | 0 | 03 Mar, 2026 |
| Michael Mano | Evp, Closecretary | 93,964 | 0 | 03 Mar, 2026 |
| Lori Macomber | Evp, Cfo Treasurer | 85,105 | 0 | 04 Feb, 2026 |
| Lori Macomber | Evp, Cfo Treasurer | 85,105 | 0 | 04 Feb, 2026 |
| Reshma Rangwala | Evp Chief Medical Officer | 56,739 | 0 | 03 Mar, 2026 |
| Reshma Rangwala | Evp Chief Medical Officer | 56,290 | 0 | 22 Apr, 2026 |
| Garen G Bohlin | - | 45,140 | 0 | 12 Sep, 2023 |
| Kristin Abate | Chief Accounting Officer | 22,063 | 0 | 03 Mar, 2026 |
| Barry E Greene | - | 13,606 | 0 | 15 Aug, 2022 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 21 Apr, 2026 | Reshma Rangwala | Common Stock | D | 449 | $8.94 | 56,290 | D | S |
| 21 Apr, 2026 | Reshma Rangwala | Common Stock | D | 449 | $8.94 | 56,290 | D | S |
| 21 Apr, 2026 | Reshma Rangwala | Common Stock | D | 449 | $8.94 | 56,290 | D | S |
| 21 Apr, 2026 | Reshma Rangwala | Common Stock | D | 449 | $8.94 | 56,290 | D | S |
| 21 Apr, 2026 | Reshma Rangwala | Common Stock | D | 449 | $8.94 | 56,290 | D | S |
| 02 Mar, 2026 | Richard A. Paulson | Common Stock | D | 12,361 | $9.41 | 267,030 | D | S |
| 02 Mar, 2026 | Reshma Rangwala | Common Stock | D | 5,066 | $9.41 | 56,739 | D | S |
| 02 Mar, 2026 | Stuart Poulton | Common Stock | D | 5,101 | $9.41 | 94,328 | D | S |
| 02 Mar, 2026 | Kristin Abate | Common Stock | D | 559 | $9.41 | 22,063 | D | S |
| 02 Mar, 2026 | Sohanya Roshan Cheng | Common Stock | D | 4,604 | $9.41 | 107,317 | D | S |
| 02 Mar, 2026 | Michael Mano | Common Stock | D | 3,526 | $9.41 | 93,964 | D | S |
| 17 Feb, 2026 | Stuart Poulton | Common Stock | D | 378 | $8.63 | 99,429 | D | S |
| 05 Feb, 2026 | Richard A. Paulson | Common Stock | A | 81,060 | $0.00 | 279,391 | D | A |
| 03 Feb, 2026 | Lori Macomber | Common Stock | D | 1,626 | $6.30 | 85,105 | D | S |
| 31 Jan, 2026 | Sohanya Roshan Cheng | Common Stock | A | 32,415 | $0.00 | 111,921 | D | A |
| 31 Jan, 2026 | Michael Mano | Common Stock | A | 32,415 | $0.00 | 97,490 | D | A |
| 31 Jan, 2026 | Stuart Poulton | Common Stock | A | 32,415 | $0.00 | 99,807 | D | A |
| 31 Jan, 2026 | Lori Macomber | Common Stock | A | 32,415 | $0.00 | 86,731 | D | A |
| 31 Jan, 2026 | Reshma Rangwala | Common Stock | A | 32,415 | $0.00 | 61,805 | D | A |
| 27 Jan, 2026 | Kristin Abate | Common Stock | A | 92 | $0.00 | 22,672 | D | A |