Matthew Chiodo
Insider
First SEC filing: Feb. 20, 2018 · Latest: Jan. 16, 2019
Insider at
Insider transactions
0 buys (P)
2 sells (S)
Net: $-496,071
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 |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 19, 2026 | GNTX | A | 12,047 | · | · | 47,148 Direct | +34.32% | Acquired | (price as of 2026-10-02) |
| Feb. 17, 2026 | GNTX | A | 28,269 | · | · | 70,679 Direct | +66.66% | Acquired | (price as of 2026-10-02) |
| Feb. 17, 2026 | GNTX | F | 12,564 | $24.89 | $312,718 | 58,115 Direct | -17.78% | Disposed | -11.3% (price as of 2026-10-02) |
| Feb. 17, 2026 | GNTX | F | 3,187 | $24.89 | $79,324 | 54,928 Direct | -5.48% | Disposed | -11.3% (price as of 2026-10-02) |
| Feb. 17, 2026 | GNTX | S | 15,705 | $25.02 | $392,939 | 39,223 Direct | -28.59% | Disposed | -11.8% (price as of 2026-10-02) |
| Feb. 17, 2026 | GNTX | S | 4,122 | $25.02 | $103,132 | 35,101 Direct | -10.51% | Disposed | -11.8% (price as of 2026-10-02) |
| Feb. 20, 2025 | GNTX | A | 9,130 | · | · | 41,342 Direct | +28.34% | Acquired | (price as of 2026-10-02) |
| Feb. 18, 2025 | GNTX | A | 11,433 | · | · | 43,889 Direct | +35.23% | Acquired | (price as of 2026-10-02) |
| Feb. 18, 2025 | GNTX | F | 5,539 | $24.62 | $136,370 | 38,350 Direct | -12.62% | Disposed | -10.3% (price as of 2026-10-02) |
| Feb. 18, 2025 | GNTX | F | 6,138 | $24.62 | $151,118 | 32,212 Direct | -16.01% | Disposed | -10.3% (price as of 2026-10-02) |
| Feb. 20, 2024 | GNTX | A | 8,290 | · | · | 45,956 Direct | +22.01% | Acquired | (price as of 2026-10-02) |
| Feb. 20, 2024 | GNTX | F | 8,290 | $35.01 | $290,233 | 37,666 Direct | -18.04% | Disposed | -36.9% (price as of 2026-10-02) |
| Feb. 20, 2024 | GNTX | F | 6,027 | $35.01 | $211,005 | 31,639 Direct | -16.00% | Disposed | -36.9% (price as of 2026-10-02) |
| Feb. 15, 2024 | GNTX | A | 6,628 | · | · | 37,666 Direct | +21.35% | Acquired | (price as of 2026-10-02) |
| Feb. 21, 2023 | GNTX | A | 6,289 | · | · | 35,175 Direct | +21.77% | Acquired | (price as of 2026-10-02) |
| Feb. 21, 2023 | GNTX | F | 2,899 | $28.65 | $83,056 | 32,276 Direct | -8.24% | Disposed | -22.9% (price as of 2026-10-02) |
| Feb. 21, 2023 | GNTX | F | 2,129 | $28.65 | $60,996 | 30,147 Direct | -6.60% | Disposed | -22.9% (price as of 2026-10-02) |
| Feb. 16, 2023 | GNTX | A | 7,309 | · | · | 28,886 Direct | +33.87% | Acquired | (price as of 2026-10-02) |
| March 31, 2022 | GNTX | S 10b5-1 | 5,700 | $29.24 | $166,668 | 21,577 Direct | -20.90% | Disposed | -24.5% (price as of 2026-10-02) |
| Feb. 22, 2022 | GNTX | S 10b5-1 | 5,382 | $30.36 | $163,398 | 26,412 Direct | -16.93% | Disposed | -27.3% (price as of 2026-10-02) |
| Feb. 22, 2022 | GNTX | A | 9,549 | · | · | 35,961 Direct | +36.15% | Acquired | (price as of 2026-10-02) |
| Feb. 22, 2022 | GNTX | S 10b5-1 | 9,549 | $30.36 | $289,908 | 26,412 Direct | -26.55% | Disposed | -27.3% (price as of 2026-10-02) |
| Feb. 17, 2022 | GNTX | A | 6,138 | · | · | 31,794 Direct | +23.92% | Acquired | (price as of 2026-10-02) |
| Feb. 15, 2022 | GNTX | S 10b5-1 | 8,000 | $31.50 | $252,000 | 25,656 Direct | -23.77% | Disposed | -29.9% (price as of 2026-10-02) |
| March 31, 2021 | GNTX | S 10b5-1 | 6,851 | $35.66 | $244,307 | 33,389 Direct | -17.03% | Disposed | -38.1% (price as of 2026-10-02) |
| Feb. 18, 2021 | GNTX | A | 6,027 | · | · | 39,834 Direct | +17.83% | Acquired | (price as of 2026-10-02) |
| Feb. 1, 2021 | GNTX | M | 5,000 | $15.69 | $78,450 | 38,807 Direct | +14.79% | Acquired | 40.7% (price as of 2026-10-02) |
| Feb. 1, 2021 | GNTX | S 10b5-1 | 5,000 | $33.06 | $165,300 | 33,807 Direct | -12.88% | Disposed | -33.2% (price as of 2026-10-02) |
| Feb. 1, 2021 | GNTX | M | 5,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 26, 2020 | GNTX | P | 117 | $21.42 | $2,506 | 33,598 Direct | +0.35% | Acquired | 3.1% (price as of 2026-10-02) |
| March 27, 2020 | GNTX | P | 675 | $18.53 | $12,508 | 33,481 Direct | +2.06% | Acquired | 19.2% (price as of 2026-10-02) |
| Feb. 20, 2020 | GNTX | A | 4,883 | · | · | 32,806 Direct | +17.49% | Acquired | (price as of 2026-10-02) |
| Dec. 27, 2019 | GNTX | P | 101 | $24.65 | $2,490 | 27,923 Direct | +0.36% | Acquired | -10.4% (price as of 2026-10-02) |
| Sept. 27, 2019 | GNTX | P | 106 | $23.52 | $2,493 | 27,822 Direct | +0.38% | Acquired | -6.1% (price as of 2026-10-02) |
| July 24, 2019 | GNTX | M | 3,060 | $18.30 | $55,998 | 30,776 Direct | +11.04% | Acquired | 20.7% (price as of 2026-10-02) |
| July 24, 2019 | GNTX | M | 2,500 | $15.69 | $39,225 | 33,276 Direct | +8.12% | Acquired | 40.7% (price as of 2026-10-02) |
| July 24, 2019 | GNTX | S | 5,560 | $27.07 | $150,509 | 27,716 Direct | -16.71% | Disposed | -18.4% (price as of 2026-10-02) |
| July 24, 2019 | GNTX | M | 3,060 | $18.30 | $55,998 | 0 Direct | -100.00% | Disposed | 20.7% (price as of 2026-10-02) |
| July 24, 2019 | GNTX | M | 2,500 | $15.69 | $39,225 | 5,000 Direct | -33.33% | Disposed | 40.7% (price as of 2026-10-02) |
| June 28, 2019 | GNTX | P | 120 | $20.92 | $2,510 | 27,716 Direct | +0.43% | Acquired | 5.5% (price as of 2026-10-02) |
| March 29, 2019 | GNTX | P | 142 | $17.58 | $2,496 | 27,596 Direct | +0.52% | Acquired | 25.6% (price as of 2026-10-02) |
| March 28, 2019 | GNTX | S 10b5-1 | 4,000 | $20.54 | $82,160 | 27,454 Direct | -12.72% | Disposed | 7.5% (price as of 2026-10-02) |
| March 18, 2019 | GNTX | M | 3,000 | $15.41 | $46,230 | 34,454 Direct | +9.54% | Acquired | 43.3% (price as of 2026-10-02) |
| March 18, 2019 | GNTX | S 10b5-1 | 3,000 | $20.82 | $62,460 | 31,454 Direct | -8.71% | Disposed | 6.1% (price as of 2026-10-02) |
| March 18, 2019 | GNTX | M | 3,000 | $15.41 | $46,230 | 0 Direct | -100.00% | Disposed | 43.3% (price as of 2026-10-02) |
| Feb. 20, 2019 | GNTX | A | 5,382 | · | · | 31,454 Direct | +20.64% | Acquired | (price as of 2026-10-02) |
| Dec. 28, 2018 | GNTX | P | 148 | $16.86 | $2,495 | 25,934 Direct | +0.57% | Acquired | 31.0% (price as of 2026-10-02) |
| June 29, 2018 | GNTX | A | 127 | $19.57 | $2,485 | 25,786 Direct | +0.49% | Acquired | 12.8% (price as of 2026-10-02) |
| March 29, 2018 | GNTX | A | 128 | $19.57 | $2,505 | 25,659 Direct | +0.50% | Acquired | 12.8% (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 |
|---|---|---|---|---|---|---|---|
| Feb. 1, 2021 | GNTX | Employee Stock Option (Right to buy) | Common Stock | $15.69 | March 31, 2021 | 5,000 | Disposed |
| July 24, 2019 | GNTX | Employee Stock Option (Right to buy) | Common Stock | $18.30 | March 31, 2020 | 3,060 | Disposed |
| July 24, 2019 | GNTX | Employee Stock Option (Right to buy) | Common Stock | $15.69 | March 31, 2021 | 2,500 | Disposed |
| March 18, 2019 | GNTX | Employee Stock Option (Right to buy) | Common Stock | $15.41 | March 28, 2019 | 3,000 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 5 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Feb. 20, 2018 | GNTX | Common Stock | 25,531 | Direct |
| Feb. 20, 2018 | GNTX | Employee Stock Option (Right to Buy) | 30,000 | Direct |
| Feb. 20, 2018 | GNTX | Employee Stock Option (Right to Buy) | 3,060 | Direct |
| Feb. 20, 2018 | GNTX | Employee Stock Option (Right to Buy) | 7,500 | Direct |
| Feb. 20, 2018 | GNTX | Employee Stock Option (Right to Buy) | 3,000 | Direct |
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 | $480,000 | · | $905,532 | · | $378,072 | · | $202,712 | $1,966,316 |
| 2024 | $476,346 | · | $666,492 | · | $244,188 | · | $186,506 | $1,573,532 |
| 2023 | $449,154 | · | $1,424,529 | · | $632,916 | · | $138,524 | $2,645,123 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.