Kathleen Starkoff
Insider
First SEC filing: Oct. 22, 2018 · Latest: Oct. 22, 2018
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 |
|---|---|---|---|---|---|---|---|---|---|
| May 21, 2026 | GNTX | A | 5,626 | · | · | 36,770 Direct | +18.06% | Acquired | (price as of 2026-10-02) |
| May 15, 2025 | GNTX | A | 5,939 | · | · | 31,144 Direct | +23.56% | Acquired | (price as of 2026-10-02) |
| May 16, 2024 | GNTX | A | 3,764 | · | · | 25,205 Direct | +17.56% | Acquired | (price as of 2026-10-02) |
| July 31, 2023 | GNTX | M | 4,430 | $21.46 | $95,068 | 25,871 Direct | +20.66% | Acquired | 2.9% (price as of 2026-10-02) |
| July 31, 2023 | GNTX | S | 4,430 | $33.20 | $147,076 | 21,441 Direct | -17.12% | Disposed | -33.5% (price as of 2026-10-02) |
| July 31, 2023 | GNTX | M | 4,430 | $21.46 | $95,068 | 0 Direct | -100.00% | Disposed | 2.9% (price as of 2026-10-02) |
| May 18, 2023 | GNTX | A | 4,716 | · | · | 21,441 Direct | +28.20% | Acquired | (price as of 2026-10-02) |
| May 19, 2022 | GNTX | A | 4,416 | · | · | 16,725 Direct | +35.88% | Acquired | (price as of 2026-10-02) |
| May 19, 2022 | GNTX | A | 3,397 | · | · | 15,706 Direct | +27.60% | Acquired | (price as of 2026-10-02) |
| May 20, 2021 | GNTX | A | 2,845 | · | · | 12,309 Direct | +30.06% | Acquired | (price as of 2026-10-02) |
| May 21, 2020 | GNTX | A | 4,061 | · | · | 9,464 Direct | +75.16% | Acquired | (price as of 2026-10-02) |
| May 16, 2019 | GNTX | A | 4,403 | · | · | 5,403 Direct | +440.30% | Acquired | (price as of 2026-10-02) |
| Oct. 22, 2018 | GNTX | P | 1,000 | $20.41 | $20,410 | 1,000 Direct | · | Acquired | 8.2% (price as of 2026-10-02) |
| Sept. 28, 2018 | GNTX | A | 4,430 | $21.46 | $95,068 | 4,430 Direct | · | Acquired | 2.9% (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 |
|---|---|---|---|---|---|---|---|
| July 31, 2023 | GNTX | Non-Employee Director Stock Option Grant | Common Stock | $21.46 | Sept. 28, 2028 | 4,430 | Disposed |
| Sept. 28, 2018 | GNTX | Non-Employee Director Stock Option Grant | Common Stock | $21.46 | Sept. 28, 2028 | 4,430 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).