Poulton Stuart
SEC CIK 1942597 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| KPTI | Karyopharm Therapeutics Inc. | EVP, Chief Development Off | 94.6K | — | $146.8K | 21 | 2023-02-15 | 2026-07-28 |
Most active insiders at KPTI, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Paulson Richard A. | Pres, CEO, Dir | — | $137.2K |
| 2 | Poulton Stuart | EVP, Chief Development Off | — | $56.4K |
| 3 | Rangwala Reshma | EVP, Chief Medical Off | — | $55.6K |
| 4 | Cheng Sohanya Roshan | EVP, Chief Commercial Off | — | $46.4K |
| 5 | Mano Michael | SVP, GC, Sec | — | $35.7K |
| 6 | Macomber Lori | EVP, CFO, Treas | — | $10.2K |
| 7 | Abate Kristin | CAO | — | $10.0K |
| 8 | Su Zhen | Dir | — | — |
| 9 | Oliger Christy J. | Dir | — | — |
| 10 | Schor Chen | Dir | — | — |
Transactions 21
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-07-30 16:42 | 2026-07-28 | KPTI | Karyopharm Therapeutics Inc. | Poulton Stuart | EVP, Chief Development Off | S - Sale | $7.10 | -189 | 94.6K | -0.2% | -$1,342 | |
| 2026-05-15 16:08 | 2026-05-13 | KPTI | Karyopharm Therapeutics Inc. | Poulton Stuart | EVP, Chief Development Off | A - Grant | $0.00 | +896 | 95.2K | +0.9% | $0 | |
| 2026-05-15 16:08 | 2026-05-14 | KPTI | Karyopharm Therapeutics Inc. | Poulton Stuart | EVP, Chief Development Off | S - Sale | $9.50 | -403 | 94.8K | -0.4% | -$3,828 | |
| 2026-03-03 | 2026-03-02 | KPTI | Karyopharm Therapeutics Inc. | Poulton Stuart | EVP, Chief Development Off | S - Sale | $9.41 | -5,101 | 94.3K | -5% | -$48.0K | |
| 2026-02-19 | 2026-02-17 | KPTI | Karyopharm Therapeutics Inc. | Poulton Stuart | EVP, Chief Development Off | S - Sale | $8.63 | -378 | 99.4K | -0.4% | -$3,262 | |
| 2026-02-03 | 2026-01-31 | KPTI | Karyopharm Therapeutics Inc. | Poulton Stuart | EVP, Chief Development Off | A - Grant | $0.00 | +32.4K | 99.8K | +48% | $0 | |
| 2025-10-16 | 2025-10-15 | KPTI | Karyopharm Therapeutics Inc. | Poulton Stuart | EVP, Chief Development Off | A - Grant | $0.00 | +39.7K | 67.4K | +143% | $0 | |
| 2025-09-16 | 2025-09-12 | KPTI | Karyopharm Therapeutics Inc. | Poulton Stuart | EVP, Chief Development Off | A - Grant | $0.00 | +888 | 28.1K | +3% | $0 | |
| 2025-09-16 | 2025-09-15 | KPTI | Karyopharm Therapeutics Inc. | Poulton Stuart | EVP, Chief Development Off | S - Sale | $6.43 | -401 | 27.7K | -1% | -$2,578 | |
| 2025-07-30 | 2025-07-29 | KPTI | Karyopharm Therapeutics Inc. | Poulton Stuart | EVP, Chief Development Off | S - Sale | $4.37 | -191 | 27.2K | -0.7% | -$834.67 | |
| 2025-03-06 | 2025-03-04 | KPTI | Karyopharm Therapeutics Inc. | Poulton Stuart | EVP, Chief Development Off | S - Sale | $6.29 | -3,548 | 27.4K | -11% | -$22.3K | |
| DM | 2025-03-04 | 2025-02-28 | KPTI | Karyopharm Therapeutics Inc. | Poulton Stuart | EVP, Chief Development Off | A - Grant | $0.00 | +9,583 | 31.0K | +45% | $0 |
| 2025-02-19 | 2025-02-18 | KPTI | Karyopharm Therapeutics Inc. | Poulton Stuart | EVP, Chief Development Off | S - Sale | $0.63 | -5,914 | 320.7K | -2% | -$3,726 | |
| 2024-07-31 | 2024-07-30 | KPTI | Karyopharm Therapeutics Inc. | Poulton Stuart | EVP, Chief Development Off | S - Sale | $1.06 | -2,883 | 326.6K | -0.9% | -$3,056 | |
| M | 2024-03-04 | 2024-02-29+ | KPTI | Karyopharm Therapeutics Inc. | Poulton Stuart | EVP, Chief Development Off | S - Sale | $1.18 | -22.5K | 335.7K | -6% | -$26.5K |
| 2024-02-29 | 2024-02-28 | KPTI | Karyopharm Therapeutics Inc. | Poulton Stuart | EVP, Chief Development Off | A - Grant | $0.00 | +188.2K | 352.0K | +115% | $0 | |
| M | 2024-02-20 | 2024-02-15 | KPTI | Karyopharm Therapeutics Inc. | Poulton Stuart | EVP, Chief Development Off | S - Sale | $1.33 | -5,847 | 163.8K | -3% | -$7,783 |
| 2024-01-25 | 2024-01-24 | KPTI | Karyopharm Therapeutics Inc. | Poulton Stuart | EVP, Chief Development Off | A - Grant | $0.00 | +13.3K | 169.6K | +9% | $0 | |
| 2023-08-01 | 2023-07-28 | KPTI | Karyopharm Therapeutics Inc. | Poulton Stuart | EVP, Chief Development Off | S - Sale | $1.70 | -2,845 | 156.3K | -2% | -$4,836 | |
| 2023-03-02 | 2023-02-28 | KPTI | Karyopharm Therapeutics Inc. | Poulton Stuart | EVP, Chief Development Off | A - Grant | $0.00 | +95.0K | 159.1K | +148% | $0 | |
| M | 2023-02-17 | 2023-02-15 | KPTI | Karyopharm Therapeutics Inc. | Poulton Stuart | EVP, Chief Development Off | S - Sale | $3.19 | -5,869 | 64.3K | -8% | -$18.7K |
Purchase Sale Sale after option exercise All abbreviations