Stephen Mitchener
Insider
First SEC filing: Jan. 5, 2021 · Latest: Jan. 5, 2021
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
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 |
|---|---|---|---|---|---|---|---|---|---|
| March 1, 2023 | KPTI | S | 6,357 | $3.03 | $19,262 | 128,313 Direct | -4.72% | Disposed | -98.2% (price as of 2026-10-02) |
| Feb. 28, 2023 | KPTI | A | 60,000 | · | · | 134,670 Direct | +80.35% | Acquired | (price as of 2026-10-02) |
| Aug. 31, 2022 | KPTI | A | 30,000 | · | · | 30,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 31, 2022 | KPTI | A | 20,000 | · | · | 70,546 Direct | +39.57% | Acquired | (price as of 2026-10-02) |
| Feb. 28, 2022 | KPTI | A | 47,250 | · | · | 50,546 Direct | +1433.56% | Acquired | (price as of 2026-10-02) |
| Feb. 28, 2022 | KPTI | A | 59,400 | · | · | 59,400 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 2, 2021 | KPTI | S | 499 | $6.69 | $3,338 | 3,296 Direct | -13.15% | Disposed | -99.2% (price as of 2026-10-02) |
| June 2, 2021 | KPTI | S | 528 | $9.29 | $4,905 | 2,472 Direct | -17.60% | Disposed | -99.4% (price as of 2026-10-02) |
| May 30, 2021 | KPTI | M | 1,500 | · | · | 1,500 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| May 30, 2021 | KPTI | M | 1,500 | · | · | 3,000 Direct | +100.00% | Acquired | (price as of 2026-10-02) |
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 |
|---|---|---|---|---|---|---|---|
| Aug. 31, 2022 | KPTI | Stock Option (right to buy) | Common Stock | $5.06 | Aug. 30, 2032 | 30,000 | Acquired |
| Feb. 28, 2022 | KPTI | Stock Option (right to buy) | Common Stock | $10.33 | Feb. 27, 2032 | 59,400 | Acquired |
| May 30, 2021 | KPTI | Restricted Stock Units | Common Stock | · | · | 1,500 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 2 holdings
Securities held when first becoming an insider, per SEC Form 3.