Peter Hoekstra
Insider
First SEC filing: May 17, 2013 · Latest: May 17, 2013
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 |
|---|---|---|---|---|---|---|---|---|---|
| Jan. 29, 2018 | GNTX | M | 14,000 | $14.30 | $200,200 | 14,000 Direct | · | Acquired | 54.4% (price as of 2026-10-02) |
| Jan. 29, 2018 | GNTX | M | 12,000 | $12.36 | $148,320 | 26,000 Direct | +85.71% | Acquired | 78.6% (price as of 2026-10-02) |
| Jan. 29, 2018 | GNTX | M | 7,000 | $17.46 | $122,220 | 33,000 Direct | +26.92% | Acquired | 26.5% (price as of 2026-10-02) |
| Jan. 29, 2018 | GNTX | M | 7,000 | $15.74 | $110,180 | 40,000 Direct | +21.21% | Acquired | 40.3% (price as of 2026-10-02) |
| Jan. 29, 2018 | GNTX | M | 7,000 | $18.70 | $130,900 | 47,000 Direct | +17.50% | Acquired | 18.1% (price as of 2026-10-02) |
| Jan. 29, 2018 | GNTX | S | 47,000 | $23.52 | $1,105,440 | 0 Direct | -100.00% | Disposed | -6.1% (price as of 2026-10-02) |
| Jan. 29, 2018 | GNTX | M | 7,000 | $18.70 | $130,900 | 0 Direct | -100.00% | Disposed | 18.1% (price as of 2026-10-02) |
| Jan. 29, 2018 | GNTX | M | 7,000 | $17.46 | $122,220 | 0 Direct | -100.00% | Disposed | 26.5% (price as of 2026-10-02) |
| Jan. 29, 2018 | GNTX | M | 7,000 | $15.74 | $110,180 | 0 Direct | -100.00% | Disposed | 40.3% (price as of 2026-10-02) |
| Jan. 29, 2018 | GNTX | M | 14,000 | $14.30 | $200,200 | 0 Direct | -100.00% | Disposed | 54.4% (price as of 2026-10-02) |
| Jan. 29, 2018 | GNTX | M | 12,000 | $12.36 | $148,320 | 0 Direct | -100.00% | Disposed | 78.6% (price as of 2026-10-02) |
| Jan. 29, 2018 | GNTX | M | 14,000 | $14.30 | $200,200 | 21,000 Direct | +200.00% | Acquired | 54.4% (price as of 2026-10-02) |
| Jan. 29, 2018 | GNTX | M | 12,000 | $12.36 | $148,320 | 33,000 Direct | +57.14% | Acquired | 78.6% (price as of 2026-10-02) |
| Jan. 29, 2018 | GNTX | M | 7,000 | $17.46 | $122,220 | 40,000 Direct | +21.21% | Acquired | 26.5% (price as of 2026-10-02) |
| Jan. 29, 2018 | GNTX | M | 7,000 | $15.74 | $110,180 | 47,000 Direct | +17.50% | Acquired | 40.3% (price as of 2026-10-02) |
| Jan. 29, 2018 | GNTX | M | 7,000 | $18.70 | $130,900 | 54,000 Direct | +14.89% | Acquired | 18.1% (price as of 2026-10-02) |
| Jan. 29, 2018 | GNTX | S | 47,000 | $23.52 | $1,105,440 | 7,000 Direct | -87.04% | Disposed | -6.1% (price as of 2026-10-02) |
| Jan. 29, 2018 | GNTX | S | 6,500 | $23.49 | $152,685 | 500 Direct | -92.86% | Disposed | -6.0% (price as of 2026-10-02) |
| Jan. 29, 2018 | GNTX | S | 500 | $23.37 | $11,685 | 0 Direct | -100.00% | Disposed | -5.5% (price as of 2026-10-02) |
| Jan. 29, 2018 | GNTX | M | 7,000 | $18.70 | $130,900 | 0 Direct | -100.00% | Disposed | 18.1% (price as of 2026-10-02) |
| Jan. 29, 2018 | GNTX | M | 7,000 | $17.46 | $122,220 | 0 Direct | -100.00% | Disposed | 26.5% (price as of 2026-10-02) |
| Jan. 29, 2018 | GNTX | M | 7,000 | $15.74 | $110,180 | 0 Direct | -100.00% | Disposed | 40.3% (price as of 2026-10-02) |
| Jan. 29, 2018 | GNTX | M | 14,000 | $14.30 | $200,200 | 0 Direct | -100.00% | Disposed | 54.4% (price as of 2026-10-02) |
| Jan. 29, 2018 | GNTX | M | 12,000 | $12.36 | $148,320 | 0 Direct | -100.00% | Disposed | 78.6% (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) |
| May 21, 2015 | GNTX | A | 7,000 | $17.46 | $122,220 | 7,000 Direct | · | Acquired | 26.5% (price as of 2026-10-02) |
| May 15, 2014 | GNTX | A | 7,000 | $28.60 | $200,200 | 7,000 Direct | · | Acquired | 54.4% (price as of 2026-10-02) |
| July 26, 2013 | GNTX | A | 650 | $21.80 | $14,170 | 4,000 Direct | +19.40% | Acquired | 102.6% (price as of 2026-10-02) |
| May 16, 2013 | GNTX | A | 6,000 | $24.73 | $148,380 | 6,000 Direct | · | Acquired | 78.6% (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 |
|---|---|---|---|---|---|---|---|
| Jan. 29, 2018 | GNTX | Employee Stock Option (Right to buy) | Common Stock | $18.70 | May 18, 2027 | 7,000 | Disposed |
| Jan. 29, 2018 | GNTX | Employee Stock Option (Right to buy) | Common Stock | $17.46 | May 21, 2025 | 7,000 | Disposed |
| Jan. 29, 2018 | GNTX | Employee Stock Option (Right to buy) | Common Stock | $15.74 | May 19, 2026 | 7,000 | Disposed |
| Jan. 29, 2018 | GNTX | Employee Stock Option (Right to buy) | Common Stock | $14.30 | May 15, 2024 | 14,000 | Disposed |
| Jan. 29, 2018 | GNTX | Employee Stock Option (Right to buy) | Common Stock | $12.36 | May 16, 2023 | 12,000 | Disposed |
| Jan. 29, 2018 | GNTX | Employee Stock Option (Right to buy) | Common Stock | $18.70 | May 18, 2027 | 7,000 | Disposed |
| Jan. 29, 2018 | GNTX | Employee Stock Option (Right to buy) | Common Stock | $17.46 | May 21, 2025 | 7,000 | Disposed |
| Jan. 29, 2018 | GNTX | Employee Stock Option (Right to buy) | Common Stock | $15.74 | May 19, 2026 | 7,000 | Disposed |
| Jan. 29, 2018 | GNTX | Employee Stock Option (Right to buy) | Common Stock | $14.30 | May 15, 2024 | 14,000 | Disposed |
| Jan. 29, 2018 | GNTX | Employee Stock Option (Right to buy) | Common Stock | $12.36 | May 16, 2023 | 12,000 | Disposed |
| 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 Plan | Common Stock | $15.74 | May 19, 2026 | 7,000 | Acquired |
| May 21, 2015 | GNTX | Non-Employee Director Stock Option Grant | Common Stock | $17.46 | May 21, 2025 | 7,000 | Acquired |
| May 15, 2014 | GNTX | Non-Employee Director Stock Option Grant | Common Stock | $28.60 | May 15, 2024 | 7,000 | Acquired |
| May 16, 2013 | GNTX | Non-Employee Director Stock Option Grant | Common Stock | $24.73 | May 16, 2023 | 6,000 | Acquired |
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.