Open Insider Trading Activity for Karyopharm Therapeutics Inc. EVP, Chief Development Officer Poulton Stuart
31-day price and insider activity (up to 2 years)
Daily candles with triangles for the buy and sale transactions shown below. Scroll left or zoom out to load earlier candles (up to 2 years).
▲ Insider buy
▼ Insider sale
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| Ticker | Filing Date | Transaction Date | Company | Insider | Title | Transaction | Trade Count | Shares | Avg. Price | Total Value | Position Size Change | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tax liability coverage transfers: shares are often sold to offset the tax liability from shares vesting KPTI | 2026-03-03 | 2026-03-02 | Karyopharm Therapeutics Inc. | Poulton Stuart | EVP, Chief Development Officer | Sell | 1 | 5,101 | $9.41 | $48,000.41 | 5.13% | View Filing |
| Tax liability coverage transfers: shares are often sold to offset the tax liability from shares vesting KPTI | 2026-02-19 | 2026-02-17 | Karyopharm Therapeutics Inc. | Poulton Stuart | EVP, Chief Development Officer | Sell | 1 | 378 | $8.63 | $3,262.14 | 0.38% | View Filing |