Leslie L Brown
Insider
First SEC filing: May 23, 2016 · Latest: May 23, 2016
Insider at
Insider transactions
0 buys (P)
1 sells (S)
Net: $-246,369
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 | · | · | 41,988 Direct | +15.47% | Acquired | (price as of 2026-10-02) |
| May 5, 2026 | GNTX | M | 7,000 | $15.74 | $110,180 | 40,144 Direct | +21.12% | Acquired | 40.3% (price as of 2026-10-02) |
| May 5, 2026 | GNTX | M | 7,000 | $18.70 | $130,900 | 47,144 Direct | +17.44% | Acquired | 18.1% (price as of 2026-10-02) |
| May 5, 2026 | GNTX | S | 10,782 | $22.85 | $246,369 | 36,362 Direct | -22.87% | Disposed | -3.4% (price as of 2026-10-02) |
| May 5, 2026 | GNTX | M | 7,000 | · | · | 14,000 Direct | +100.00% | Acquired | (price as of 2026-10-02) |
| May 5, 2026 | GNTX | M | 7,000 | · | · | 7,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 15, 2025 | GNTX | A | 5,939 | · | · | 33,144 Direct | +21.83% | Acquired | (price as of 2026-10-02) |
| May 16, 2024 | GNTX | A | 3,764 | · | · | 27,205 Direct | +16.06% | Acquired | (price as of 2026-10-02) |
| May 18, 2023 | GNTX | A | 4,716 | · | · | 23,441 Direct | +25.19% | Acquired | (price as of 2026-10-02) |
| May 19, 2022 | GNTX | A | 4,416 | · | · | 18,725 Direct | +30.86% | Acquired | (price as of 2026-10-02) |
| May 19, 2022 | GNTX | A | 3,397 | · | · | 17,706 Direct | +23.74% | Acquired | (price as of 2026-10-02) |
| May 20, 2021 | GNTX | A | 2,845 | · | · | 14,309 Direct | +24.82% | Acquired | (price as of 2026-10-02) |
| May 21, 2020 | GNTX | A | 4,061 | · | · | 11,464 Direct | +54.86% | Acquired | (price as of 2026-10-02) |
| May 16, 2019 | GNTX | A | 4,403 | · | · | 7,403 Direct | +146.77% | Acquired | (price as of 2026-10-02) |
| May 17, 2018 | GNTX | A | 7,000 | $24.21 | $169,470 | 7,000 Direct | · | Acquired | -8.8% (price as of 2026-10-02) |
| May 18, 2017 | GNTX | A | 7,000 | $18.70 | $130,900 | 7,000 Direct | · | Acquired | 18.1% (price as of 2026-10-02) |
| May 19, 2016 | GNTX | A | 7,000 | · | · | 7,000 Direct | · | 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 |
|---|---|---|---|---|---|---|---|
| May 5, 2026 | GNTX | Non-Employee Director Stock Option Grant | Common Stock | $18.70 | May 18, 2027 | 7,000 | Acquired |
| May 5, 2026 | GNTX | Non-Employee Director Stock Option Grant | Common Stock | $15.74 | May 19, 2026 | 7,000 | Acquired |
| May 17, 2018 | GNTX | Non-Employee Director Stock Option Grant | Common Stock | $24.21 | May 17, 2028 | 7,000 | Acquired |
| May 18, 2017 | GNTX | Non-Employee Director Stock Option Grant | Common Stock | $18.70 | May 18, 2027 | 7,000 | Acquired |
| May 19, 2016 | GNTX | Non-Employee Director Stock Option Grant | Common Stock | $15.74 | May 19, 2026 | 7,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| May 23, 2016 | GNTX | Common Stock | 3,000 | Direct |