Poulton Stuart
SEC insider (Form 3/4/5 filer). CIK 0001942597. EVP, Chief Development Officer at Karyopharm Therapeutics Inc. (KPTI). 14 reported Form 4/5 transactions since Sep 2024; latest on Jul 28, 2026. Located in NEWTON, MA.
Companies Poulton Stuart has filed insider reports for
- Karyopharm Therapeutics Inc. (KPTI): Officer, EVP, Chief Development Officer
Poulton Stuart
CIK: 0001942597
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
Karyopharm Therapeutics Inc.
Discretionary Trading P&L
Holdings
Transaction History (14 total)
- Jul 28, 2026KPTI
Karyopharm Therapeutics Inc.
SaleDirect189 shares at avg. $7.10$1K - May 14, 2026KPTI
Karyopharm Therapeutics Inc.
SaleDirect403 shares at avg. $9.50$4K - May 13, 2026KPTI
Karyopharm Therapeutics Inc.
AwardDirect896 shares- - Mar 2, 2026KPTI
Karyopharm Therapeutics Inc.
SaleDirect5.1K shares at avg. $9.41$48K - Feb 17, 2026KPTI
Karyopharm Therapeutics Inc.
SaleDirect378 shares at avg. $8.63$3K - Jan 31, 2026KPTI
Karyopharm Therapeutics Inc.
AwardDirect32.4K shares- - Oct 15, 2025KPTI
Karyopharm Therapeutics Inc.
AwardDirect39.7K shares- - Sep 15, 2025KPTI
Karyopharm Therapeutics Inc.
SaleDirect401 shares at avg. $6.43$3K - Sep 12, 2025KPTI
Karyopharm Therapeutics Inc.
AwardDirect888 shares- - Jul 29, 2025KPTI
Karyopharm Therapeutics Inc.
SaleDirect191 shares at avg. $4.37$834.67
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jul 28, 2026 | KPTI Karyopharm Therapeutics Inc. | Sale | 189 | $7.10 | $1,342 | Direct |
| May 14, 2026 | KPTI Karyopharm Therapeutics Inc. | Sale | 403 | $9.50 | $3,829 | Direct |
| May 13, 2026 | KPTI Karyopharm Therapeutics Inc. | Award | 896 | - | $0 | Direct |
| Mar 2, 2026 | KPTI Karyopharm Therapeutics Inc. | Sale | 5,101 | $9.41 | $47,998 | Direct |
| Feb 17, 2026 | KPTI Karyopharm Therapeutics Inc. | Sale | 378 | $8.63 | $3,262 | Direct |
| Jan 31, 2026 | KPTI Karyopharm Therapeutics Inc. | Award | 32,415 | - | $0 | Direct |
| Oct 15, 2025 | KPTI Karyopharm Therapeutics Inc. | Award | 39,682 | - | - | Direct |
| Sep 15, 2025 | KPTI Karyopharm Therapeutics Inc. | Sale | 401 | $6.43 | $2,578 | Direct |
| Sep 12, 2025 | KPTI Karyopharm Therapeutics Inc. | Award | 888 | - | - | Direct |
| Jul 29, 2025 | KPTI Karyopharm Therapeutics Inc. | Sale | 191 | $4.37 | $835 | Direct |
1-10 of 14 transactions