Karyopharm Therapeutics, Inc. is a commercial-stage pharmaceutical company, which engages in the discovery, development, and commercialization of drugs directed against nuclear export for the treatment of cancer and other diseases. The company was founded by Joseph Araujo, Ronald A. DePinho, Pamela A. Silver, Giulio Draetta, Michael G. Kauffman, and Sharon Shacham on December 22, 2008 and is headquartered in Newton, MA.
| Insider Trading | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|
| Poulton Stuart | EVP, Chief Development Officer | Jul 28 '26 | Sale | 7.10 | 189 | 1,342 | 94,632 | Jul 30 04:42 PM |
| Poulton Stuart | EVP, Chief Development Officer | May 14 '26 | Sale | 9.50 | 403 | 3,828 | 94,821 | May 15 04:08 PM |
| Rangwala Reshma | EVP & Chief Medical Officer | May 14 '26 | Sale | 9.50 | 408 | 3,876 | 56,829 | May 15 04:07 PM |
| Cheng Sohanya Roshan | EVP & Chief Commercial Officer | May 14 '26 | Sale | 9.50 | 324 | 3,078 | 107,940 | May 15 04:05 PM |
| Abate Kristin | Chief Accounting Officer | May 14 '26 | Sale | 9.50 | 53 | 504 | 23,801 | May 15 04:04 PM |
| Paulson Richard A. | President and CEO | May 14 '26 | Sale | 9.50 | 2,203 | 20,928 | 269,747 | May 15 04:03 PM |
| Mano Michael | EVP, CLO&Secretary | May 14 '26 | Sale | 9.50 | 266 | 2,527 | 94,398 | May 15 04:02 PM |
| Rangwala Reshma | EVP & Chief Medical Officer | Apr 21 '26 | Sale | 8.94 | 449 | 4,014 | 56,290 | Apr 22 04:03 PM |
| Mano Michael | EVP, CLO&Secretary | Mar 02 '26 | Sale | 9.41 | 3,526 | 33,178 | 93,964 | Mar 03 04:28 PM |
| Rangwala Reshma | EVP & Chief Medical Officer | Mar 02 '26 | Sale | 9.41 | 5,066 | 47,669 | 56,739 | Mar 03 04:25 PM |
| Paulson Richard A. | President and CEO | Mar 02 '26 | Sale | 9.41 | 12,361 | 116,311 | 267,030 | Mar 03 04:21 PM |
| Poulton Stuart | EVP, Chief Development Officer | Feb 17 '26 | Sale | 8.63 | 378 | 3,262 | 99,429 | Feb 19 04:02 PM |
| Macomber Lori | EVP, CFO & Treasurer | Feb 03 '26 | Sale | 6.30 | 1,626 | 10,244 | 85,105 | Feb 04 04:11 PM |
| Abate Kristin | Chief Accounting Officer | Jan 28 '26 | Sale | 7.03 | 50 | 352 | 22,622 | Jan 29 04:57 PM |
| Abate Kristin | Chief Accounting Officer | Jan 21 '26 | Sale | 5.96 | 265 | 1,579 | 22,580 | Jan 22 04:09 PM |
| Abate Kristin | Chief Accounting Officer | Oct 01 '25 | Sale | 6.30 | 362 | 2,279 | 10,046 | Oct 03 04:56 PM |
| Paulson Richard A. | President and CEO | Sep 15 '25 | Sale | 6.43 | 1,257 | 8,083 | 84,046 | Sep 16 04:35 PM |
| Mano Michael | SVP, General Counsel&Secretary | Sep 15 '25 | Sale | 6.43 | 234 | 1,505 | 21,425 | Sep 16 04:34 PM |
| Poulton Stuart | EVP, Chief Development Officer | Sep 15 '25 | Sale | 6.43 | 401 | 2,578 | 27,710 | Sep 16 04:33 PM |
| Rangwala Reshma | EVP & Chief Medical Officer | Sep 15 '25 | Sale | 6.43 | 408 | 2,623 | 29,390 | Sep 16 04:32 PM |
| Cheng Sohanya Roshan | EVP & Chief Commercial Officer | Sep 15 '25 | Sale | 6.43 | 325 | 2,090 | 35,856 | Sep 16 04:31 PM |
| Abate Kristin | Chief Accounting Officer | Sep 15 '25 | Sale | 6.43 | 23 | 148 | 10,408 | Sep 16 04:30 PM |
| Abate Kristin | Chief Accounting Officer | Sep 03 '25 | Sale | 6.78 | 12 | 81 | 9,463 | Sep 04 04:53 PM |