GNTX GENTEX CORP
Nasdaq · SEC CIK 355811 · EDGAR
- Bought, last 12 months
- $0 0 purchases by 0 insiders
- Sold, last 12 months
- $2.79M 9 sales by 9 insiders
- Filings on record
- 128 since 2021-07-28, latest 2026-05-22 15:09
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| Downing Steven R | Pres, CEO | — | $866.2K |
| Chiodo Matthew | VP of Sales | — | $496.3K |
| Nash Kevin C | CFO | — | $296.9K |
| Boehm Neil | CTO | — | $279.2K |
| BROWN LESLIE L | Dir | — | $246.3K |
| Ryan Scott P | GC | — | $223.2K |
| ANDERSON JOSEPH B JR | Dir | — | $136.4K |
| WALKER BRIAN C | Dir | — | $136.4K |
| Schaum Richard O | Dir | — | $112.2K |
| Pink Billy | Dir | — | — |
Transactions 183
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023-05-22 | 2023-05-18 | GNTX | BROWN LESLIE L | Dir | A - Grant | $0.00 | +4,716 | 23.4K | +25% | $0 | |
| 2023-05-22 | 2023-05-18 | GNTX | Zang Ling | Dir | A - Grant | $0.00 | +4,716 | 20.3K | +30% | $0 | |
| 2023-05-22 | 2023-05-19 | GNTX | GOODE GARY F | Dir | S - Sale | $28.27 | -4,416 | 29.2K | -13% | -$124.8K | |
| 2023-05-22 | 2023-05-18 | GNTX | GOODE GARY F | Dir | A - Grant | $0.00 | +4,716 | 33.6K | +16% | $0 | |
| 2023-05-22 | 2023-05-18 | GNTX | DEUR GARTH | Dir | A - Grant | $0.00 | +4,716 | 4,716 | New | $0 | |
| 2023-05-22 | 2023-05-18 | GNTX | WALKER BRIAN C | Dir | A - Grant | $0.00 | +4,716 | 20.4K | +30% | $0 | |
| 2023-05-19 | 2023-05-18 | GNTX | ANDERSON JOSEPH B JR | Dir | A - Grant | $0.00 | +4,716 | 9,132 | +107% | $0 | |
| D | 2023-05-02 | 2023-05-01 | GNTX | Schaum Richard O | Dir | S - Sale+OE | $27.89 | -5,424 | 49.9K | -10% | -$151.3K |
| D | 2023-05-02 | 2023-05-01 | GNTX | Schaum Richard O | Dir | M - OptEx | $12.37 | +12.0K | 55.3K | +28% | +$148.4K |
| D | 2023-03-07 | 2023-03-06 | GNTX | Boehm Neil | CTO | S - Sale+OE | $28.41 | -1,242 | 36.2K | -3% | -$35.3K |
| D | 2023-03-07 | 2023-03-06 | GNTX | Boehm Neil | CTO | M - OptEx | $15.69 | +1,242 | 37.4K | +3% | +$19.5K |
| M | 2023-02-21 | 2023-02-16+ | GNTX | Ryan Scott P | GC | A - Grant | $0.00 | +12.2K | 30.5K | +67% | $0 |
| M | 2023-02-21 | 2023-02-21 | GNTX | Ryan Scott P | GC | S - Sale | $28.29 | -9,895 | 25.0K | -28% | -$279.9K |
| M | 2023-02-21 | 2023-02-21 | GNTX | Boehm Neil | CTO | F - Tax | $28.65 | -6,159 | 36.2K | -15% | -$176.5K |
| M | 2023-02-21 | 2023-02-16+ | GNTX | Boehm Neil | CTO | A - Grant | $0.00 | +16.0K | 34.6K | +87% | $0 |
| M | 2023-02-21 | 2023-02-16+ | GNTX | Downing Steven R | Pres, CEO | A - Grant | $0.00 | +55.1K | 161.2K | +52% | $0 |
| M | 2023-02-21 | 2023-02-21 | GNTX | Downing Steven R | Pres, CEO | F - Tax | $28.65 | -17.7K | 151.2K | -11% | -$508.5K |
| M | 2023-02-21 | 2023-02-16+ | GNTX | Chiodo Matthew | VP of Sales | A - Grant | $0.00 | +13.6K | 28.9K | +89% | $0 |
| M | 2023-02-21 | 2023-02-21 | GNTX | Chiodo Matthew | VP of Sales | F - Tax | $28.65 | -5,028 | 30.1K | -14% | -$144.1K |
| M | 2023-02-21 | 2023-02-21 | GNTX | Nash Kevin C | CFO | F - Tax | $28.65 | -5,516 | 36.5K | -13% | -$158.0K |
| M | 2023-02-21 | 2023-02-16+ | GNTX | Nash Kevin C | CFO | A - Grant | $0.00 | +17.0K | 39.6K | +75% | $0 |
| 2023-02-16 | 2023-02-15 | GNTX | Downing Steven R | Pres, CEO | F - Tax | $28.39 | -12.4K | 106.1K | -10% | -$351.6K | |
| D | 2023-02-03 | 2023-02-02 | GNTX | Downing Steven R | Pres, CEO | S - Sale+OE | $30.21 | -17.7K | 118.5K | -13% | -$535.6K |
| D | 2023-02-03 | 2023-02-02 | GNTX | Downing Steven R | Pres, CEO | M - OptEx | $14.70 | +17.7K | 136.2K | +15% | +$260.6K |
| D | 2023-02-02 | 2023-02-01 | GNTX | Nash Kevin C | CFO | M - OptEx | $14.70 | +6,776 | 28.5K | +31% | +$99.6K |
| D | 2023-02-02 | 2023-02-01 | GNTX | Nash Kevin C | CFO | S - Sale+OE | $29.42 | -6,776 | 22.6K | -23% | -$199.3K |
| D | 2023-01-04 | 2023-01-04 | GNTX | Ryan Scott P | GC | M - OptEx | $14.70 | +4,580 | 22.0K | +26% | +$67.3K |
| D | 2023-01-04 | 2023-01-04 | GNTX | Ryan Scott P | GC | S - Sale+OE | $28.00 | -4,580 | 18.3K | -20% | -$128.2K |
| D | 2022-11-01 | 2022-10-31 | GNTX | Wallace James H | Dir | S - Sale+OE | $26.04 | -14.0K | 14.7K | -49% | -$364.6K |
| DM | 2022-11-01 | 2022-10-31 | GNTX | Wallace James H | Dir | M - OptEx | $21.45 | +14.0K | 21.7K | +182% | +$300.4K |
| 2022-10-31 | 2022-10-31 | GNTX | Downing Steven R | Pres, CEO | P - Purchase | $25.74 | +10.0K | 118.5K | +9% | +$257.4K | |
| A | 2022-05-26 | 2022-05-19 | GNTX | Schaum Richard O | Dir | A - Grant | $0.00 | +4,416 | 43.3K | +11% | $0 |
| A | 2022-05-26 | 2022-05-19 | GNTX | BROWN LESLIE L | Dir | A - Grant | $0.00 | +4,416 | 18.7K | +31% | $0 |
| A | 2022-05-26 | 2022-05-19 | GNTX | ANDERSON JOSEPH B JR | Dir | A - Grant | $0.00 | +4,416 | 4,416 | New | $0 |
| A | 2022-05-26 | 2022-05-19 | GNTX | Starkoff Kathleen | Dir | A - Grant | $0.00 | +4,416 | 16.7K | +36% | $0 |
| A | 2022-05-26 | 2022-05-19 | GNTX | Hollars James A | Dir | A - Grant | $0.00 | +4,416 | 40.6K | +12% | $0 |
| A | 2022-05-26 | 2022-05-19 | GNTX | Zang Ling | Dir | A - Grant | $0.00 | +4,416 | 15.6K | +40% | $0 |
| A | 2022-05-26 | 2022-05-19 | GNTX | GOODE GARY F | Dir | A - Grant | $0.00 | +4,416 | 28.9K | +18% | $0 |
| A | 2022-05-26 | 2022-05-19 | GNTX | WALKER BRIAN C | Dir | A - Grant | $0.00 | +4,416 | 15.7K | +39% | $0 |
| 2022-05-23 | 2022-05-19 | GNTX | ANDERSON JOSEPH B JR | Dir | A - Grant | $0.00 | +3,397 | 3,397 | New | $0 | |
| 2022-05-23 | 2022-05-19 | GNTX | WALKER BRIAN C | Dir | A - Grant | $0.00 | +3,397 | 14.7K | +30% | $0 | |
| 2022-05-23 | 2022-05-19 | GNTX | GOODE GARY F | Dir | A - Grant | $0.00 | +3,397 | 30.7K | +12% | $0 | |
| 2022-05-23 | 2022-05-20 | GNTX | GOODE GARY F | Dir | S - Sale | $30.17 | -2,845 | 27.9K | -9% | -$85.8K | |
| 2022-05-23 | 2022-05-19 | GNTX | Starkoff Kathleen | Dir | A - Grant | $0.00 | +3,397 | 15.7K | +28% | $0 | |
| 2022-05-23 | 2022-05-19 | GNTX | BROWN LESLIE L | Dir | A - Grant | $0.00 | +3,397 | 17.7K | +24% | $0 | |
| 2022-05-23 | 2022-05-19 | GNTX | Schaum Richard O | Dir | A - Grant | $0.00 | +3,397 | 42.3K | +9% | $0 | |
| 2022-05-23 | 2022-05-19 | GNTX | Hollars James A | Dir | A - Grant | $0.00 | +3,397 | 39.5K | +9% | $0 | |
| 2022-05-23 | 2022-05-19 | GNTX | Zang Ling | Dir | A - Grant | $0.00 | +3,397 | 14.5K | +30% | $0 | |
| 2022-04-01 | 2022-03-31 | GNTX | Chiodo Matthew | VP of Sales | S - Sale | $29.24 | -5,700 | 21.6K | -21% | -$166.7K | |
| 2022-04-01 | 2022-03-31 | GNTX | Boehm Neil | CTO | S - Sale | $29.24 | -4,500 | 26.0K | -15% | -$131.6K | |
| 2022-02-23 | 2022-02-22 | GNTX | Chiodo Matthew | VP of Sales | A - Grant | $0.00 | +9,549 | 36.0K | +36% | $0 | |
| M | 2022-02-23 | 2022-02-22 | GNTX | Chiodo Matthew | VP of Sales | S - Sale | $30.36 | -14.9K | 26.4K | -36% | -$453.3K |
| 2022-02-23 | 2022-02-22 | GNTX | Ryan Scott P | GC | A - Grant | $0.00 | +8,797 | 26.2K | +50% | $0 | |
| M | 2022-02-23 | 2022-02-22 | GNTX | Ryan Scott P | GC | S - Sale | $30.36 | -13.8K | 17.4K | -44% | -$417.6K |
| 2022-02-23 | 2022-02-22 | GNTX | Nash Kevin C | CFO | A - Grant | $0.00 | +10.1K | 31.8K | +46% | $0 | |
| M | 2022-02-23 | 2022-02-22 | GNTX | Nash Kevin C | CFO | S - Sale | $30.36 | -15.7K | 21.7K | -42% | -$477.2K |
| M | 2022-02-23 | 2022-02-22 | GNTX | Boehm Neil | CTO | S - Sale | $30.36 | -16.0K | 30.4K | -34% | -$485.5K |
| 2022-02-23 | 2022-02-22 | GNTX | Boehm Neil | CTO | A - Grant | $0.00 | +10.2K | 40.7K | +34% | $0 | |
| M | 2022-02-23 | 2022-02-22 | GNTX | Downing Steven R | Pres, CEO | S - Sale | $30.36 | -58.9K | 107.6K | -35% | -$1.79M |
| 2022-02-23 | 2022-02-22 | GNTX | Downing Steven R | Pres, CEO | A - Grant | $0.00 | +37.7K | 145.3K | +35% | $0 | |
| 2022-02-22 | 2022-02-17 | GNTX | Downing Steven R | Pres, CEO | A - Grant | $0.00 | +27.9K | 128.9K | +28% | $0 | |
| 2022-02-22 | 2022-02-17 | GNTX | Chiodo Matthew | VP of Sales | A - Grant | $0.00 | +6,138 | 31.8K | +24% | $0 | |
| 2022-02-22 | 2022-02-17 | GNTX | Ryan Scott P | GC | A - Grant | $0.00 | +5,547 | 22.4K | +33% | $0 | |
| 2022-02-22 | 2022-02-17 | GNTX | Boehm Neil | CTO | A - Grant | $0.00 | +7,026 | 36.2K | +24% | $0 | |
| 2022-02-22 | 2022-02-17 | GNTX | Nash Kevin C | CFO | A - Grant | $0.00 | +8,386 | 27.4K | +44% | $0 | |
| M | 2022-02-17 | 2022-02-15+ | GNTX | Ryan Scott P | GC | S - Sale | $31.47 | -9,820 | 18.7K | -34% | -$309.0K |
| M | 2022-02-17 | 2022-02-15+ | GNTX | Downing Steven R | Pres, CEO | S - Sale | $31.46 | -38.6K | 108.6K | -26% | -$1.21M |
| 2022-02-17 | 2022-02-15 | GNTX | Boehm Neil | CTO | S - Sale | $31.50 | -8,000 | 29.2K | -22% | -$252.0K | |
| 2022-02-17 | 2022-02-15 | GNTX | Chiodo Matthew | VP of Sales | S - Sale | $31.50 | -8,000 | 25.7K | -24% | -$252.0K | |
| M | 2022-02-17 | 2022-02-15+ | GNTX | Nash Kevin C | CFO | S - Sale | $31.44 | -11.6K | 22.6K | -34% | -$365.7K |
| D | 2021-11-03 | 2021-11-03 | GNTX | Wallace James H | Dir | M - OptEx | $15.74 | +7,000 | 35.7K | +24% | +$110.2K |
| D | 2021-11-03 | 2021-11-03 | GNTX | Wallace James H | Dir | S - Sale+OE | $36.23 | -7,000 | 28.7K | -20% | -$253.6K |
| D | 2021-11-02 | 2021-11-01 | GNTX | GOODE GARY F | Dir | M - OptEx | $15.74 | +6,200 | 33.5K | +23% | +$97.6K |
| D | 2021-11-02 | 2021-11-01 | GNTX | GOODE GARY F | Dir | S - Sale+OE | $35.68 | -6,200 | 27.3K | -19% | -$221.2K |
| D | 2021-10-29 | 2021-10-29 | GNTX | Schaum Richard O | Dir | M - OptEx | $11.20 | +12.0K | 38.9K | +45% | +$134.4K |
| D | 2021-10-29 | 2021-10-28 | GNTX | GOODE GARY F | Dir | S - Sale+OE | $35.71 | -7,800 | 27.3K | -22% | -$278.5K |
| DM | 2021-10-29 | 2021-10-28 | GNTX | GOODE GARY F | Dir | M - OptEx | $17.28 | +7,800 | 34.3K | +29% | +$134.8K |
| D | 2021-10-29 | 2021-10-29 | GNTX | Wallace James H | Dir | M - OptEx | $17.46 | +7,000 | 35.7K | +24% | +$122.2K |
| D | 2021-10-29 | 2021-10-29 | GNTX | Wallace James H | Dir | S - Sale+OE | $35.19 | -7,000 | 28.7K | -20% | -$246.3K |
| D | 2021-10-25 | 2021-10-25 | GNTX | Ryan Scott P | GC | M - OptEx | $16.01 | +4,580 | 35.8K | +15% | +$73.3K |
| D | 2021-10-25 | 2021-10-25 | GNTX | Ryan Scott P | GC | S - Sale+OE | $34.27 | -9,224 | 26.6K | -26% | -$316.1K |
| D | 2021-07-28 | 2021-07-27 | GNTX | MULDER JOHN A | Dir | S - Sale+OE | $32.65 | -7,000 | 34.4K | -17% | -$228.6K |
| D | 2021-07-28 | 2021-07-27 | GNTX | MULDER JOHN A | Dir | M - OptEx | $24.21 | +7,000 | 41.4K | +20% | +$169.5K |
Purchase Sale Sale after option exercise All abbreviations