Form 4 for KPTI Karyopharm Therapeutics Inc.
Accepted 2026-07-30 16:42:16 ET · period of report 2026-07-28 · accession 0001193125-26-326290 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-07-30 16:42 | 2026-07-28 | KPTI | Poulton Stuart | EVP, Chief Development Off | S - Sale | $7.10 | -189 | 94.6K | -0.2% | -$1,342 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-07-28 | S | D | 189 | $7.10 | 94,632 | D | — | — | (F1) This transaction was effected pursuant to a durable automatic sale instruction plan adopted by the reporting person on May 18, 2022, and represents a broker-assisted sale of shares to satisfy the payment of withholding tax liability incurred upon the vesting of restricted stock units. The sale does not represent a discretionary trade by the reporting person. |