Stuart Poulton
CIK 1942597 · View on SEC EDGAR ↗
First SEC filing: Aug. 19, 2022 · Latest: Aug. 19, 2022
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| July 28, 2026 | KPTI | S | 189 | $7.10 | $1,342 | 94,632 Direct | -0.20% | Disposed | -73.0% (price as of 2026-08-20) |
| May 14, 2026 | KPTI | S | 403 | $9.50 | $3,828 | 94,821 Direct | -0.42% | Disposed | -79.8% (price as of 2026-08-20) |
| Feb. 17, 2026 | KPTI | S | 378 | $8.63 | $3,262 | 99,429 Direct | -0.38% | Disposed | -77.8% (price as of 2026-08-20) |
| Sept. 15, 2025 | KPTI | S | 401 | $6.43 | $2,578 | 27,710 Direct | -1.43% | Disposed | -70.1% (price as of 2026-08-20) |
| July 29, 2025 | KPTI | S | 191 | $4.37 | $835 | 27,223 Direct | -0.70% | Disposed | -56.1% (price as of 2026-08-20) |
| March 4, 2025 | KPTI | S | 3,548 | $6.29 | $22,317 | 27,414 Direct | -11.46% | Disposed | -69.5% (price as of 2026-08-20) |
| Feb. 18, 2025 | KPTI | S | 5,914 | $0.63 | $3,726 | 320,714 Direct | -1.81% | Disposed | -79.7% (price as of 2026-08-20) |
| July 30, 2024 | KPTI | S | 2,883 | $1.06 | $3,056 | 326,628 Direct | -0.87% | Disposed | -87.9% (price as of 2026-08-20) |
| March 1, 2024 | KPTI | S | 6,155 | $1.20 | $7,386 | 329,511 Direct | -1.83% | Disposed | -89.3% (price as of 2026-08-20) |
| Feb. 29, 2024 | KPTI | S | 16,311 | $1.17 | $19,084 | 335,666 Direct | -4.63% | Disposed | -89.1% (price as of 2026-08-20) |
| Feb. 15, 2024 | KPTI | S | 99 | $1.40 | $139 | 163,772 Direct | -0.06% | Disposed | -90.9% (price as of 2026-08-20) |
| Feb. 15, 2024 | KPTI | S | 5,748 | $1.33 | $7,645 | 163,871 Direct | -3.39% | Disposed | -90.4% (price as of 2026-08-20) |
| July 28, 2023 | KPTI | S | 2,845 | $1.70 | $4,836 | 156,286 Direct | -1.79% | Disposed | -92.5% (price as of 2026-08-20) |
| Feb. 15, 2023 | KPTI | S | 196 | $3.16 | $619 | 64,131 Direct | -0.30% | Disposed | -95.9% (price as of 2026-08-20) |
| Feb. 15, 2023 | KPTI | S | 8 | $3.23 | $26 | 64,327 Direct | -0.01% | Disposed | -96.0% (price as of 2026-08-20) |
| Feb. 15, 2023 | KPTI | S | 5,665 | $3.19 | $18,071 | 64,335 Direct | -8.09% | Disposed | -96.0% (price as of 2026-08-20) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Feb. 28, 2025 | KPTI | Stock Option (right to buy) | Common Stock | — | Feb. 27, 2035 | 9,166 | Acquired |
| Feb. 28, 2025 | KPTI | Stock Option (right to buy) | Common Stock | — | Feb. 27, 2035 | 10,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 3 holdings
Securities held when first becoming an insider, per SEC Form 3.
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $500,135 | $295,012 | $312,293 | $115,736 | $157,543 | — | $18,861 | $1,399,580 |
| 2023 | $477,000 | — | $426,632 | — | $184,122 | — | $21,361 | $1,109,115 |
| 2022 | $373,910 | $50,000 | $580,100 | $609,956 | $153,314 | — | $12,568 | $1,779,848 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.