Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Gentex Corp (GNTX) since 2005 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Gentex Corp. Table 2 shows the detailed insider transactions. This company's CIK number is 355811.
Total stock buying since 2005: $540,964.
Total stock sales since 2005: $211,969,808.
Total stock option exercises since 2005: $62,494,419.
| Insider Buying | Insider Sales | Option Exercises | ||||
|---|---|---|---|---|---|---|
| Year | Shares | Value | Shares | Value | Shares | Value |
| 2025 | 0 | $0 | 3,764 | $86,075 | 7,000 | $122,220 |
| 2024 | 0 | $0 | 55,454 | $1,896,812 | 54,000 | $1,097,010 |
| 2023 | 0 | $0 | 58,745 | $1,746,259 | 42,178 | $623,171 |
| 2022 | 10,000 | $257,399 | 222,389 | $6,763,709 | 14,000 | $300,370 |
| 2021 | 0 | $0 | 130,486 | $4,569,068 | 103,580 | $1,658,732 |
| 2020 | 3,519 | $66,304 | 143,816 | $4,312,848 | 108,872 | $1,680,047 |
| 2019 | 3,743 | $71,258 | 174,126 | $4,358,149 | 128,494 | $1,812,953 |
| 2018 | 6,619 | $146,003 | 1,099,354 | $25,608,546 | 1,063,354 | $13,852,556 |
| 2017 | 0 | $0 | 334,050 | $6,087,672 | 301,730 | $3,022,840 |
| 2016 | 0 | $0 | 1,400,958 | $24,230,417 | 294,552 | $2,375,657 |
| 2015 | 0 | $0 | 942,248 | $15,588,942 | 389,468 | $3,684,971 |
| 2014 | 0 | $0 | 677,301 | $21,734,235 | 228,045 | $4,606,409 |
| 2013 | 0 | $0 | 493,672 | $12,204,061 | 172,104 | $2,570,952 |
| 2012 | 0 | $0 | 26,037 | $581,789 | 8,837 | $95,056 |
| 2011 | 0 | $0 | 216,927 | $6,775,814 | 160,177 | $2,515,553 |
| 2010 | 0 | $0 | 2,318,806 | $52,151,707 | 595,365 | $9,976,474 |
| 2009 | 0 | $0 | 22,360 | $392,393 | 17,860 | $316,211 |
| 2008 | 0 | $0 | 14,000 | $238,124 | 180,000 | $2,495,480 |
| 2007 | 0 | $0 | 910,572 | $16,557,191 | 440,370 | $6,063,610 |
| 2006 | 0 | $0 | 194,516 | $3,017,690 | 289,804 | $2,808,565 |
| 2005 | 0 | $0 | 168,040 | $3,068,307 | 55,040 | $815,582 |
| Trading Period | Insider Buying | Insider Sales | Option Exercises | |||
|---|---|---|---|---|---|---|
| year-month | Shares | Value | Shares | Value | Shares | Value |
| 2025-05 | 0 | $0 | 3,764 | $86,075 | 7,000 | $122,220 |
| 2024-05 | 0 | $0 | 9,432 | $325,006 | 0 | $0 |
| 2024-02 | 0 | $0 | 46,022 | $1,571,806 | 54,000 | $1,097,010 |
| 2023-07 | 0 | $0 | 8,846 | $295,134 | 4,430 | $95,067 |
| 2023-05 | 0 | $0 | 14,256 | $400,934 | 12,000 | $148,380 |
| 2023-03 | 0 | $0 | 1,242 | $35,285 | 1,242 | $19,486 |
| 2023-02 | 0 | $0 | 34,401 | $1,014,906 | 24,506 | $360,238 |
| 2022-10 | 10,000 | $257,399 | 14,000 | $364,546 | 14,000 | $300,370 |
| 2022-05 | 0 | $0 | 2,845 | $85,839 | 0 | $0 |
| 2022-03 | 0 | $0 | 10,200 | $298,248 | 0 | $0 |
| 2022-02 | 0 | $0 | 195,344 | $6,015,076 | 0 | $0 |
| 2021-11 | 0 | $0 | 13,200 | $474,854 | 13,200 | $207,768 |
| 2021-10 | 0 | $0 | 24,024 | $840,970 | 31,380 | $459,365 |
| 2021-07 | 0 | $0 | 7,000 | $228,550 | 7,000 | $169,470 |
| 2021-06 | 0 | $0 | 10,000 | $343,400 | 0 | $0 |
| 2021-04 | 0 | $0 | 5,440 | $194,175 | 12,000 | $190,260 |
| 2021-03 | 0 | $0 | 8,904 | $317,552 | 0 | $0 |
| 2021-02 | 0 | $0 | 61,918 | $2,169,567 | 40,000 | $631,869 |
| 2020-12 | 0 | $0 | 1,650 | $55,989 | 0 | $0 |
| 2020-11 | 0 | $0 | 77,257 | $2,481,196 | 66,172 | $1,051,964 |
| 2020-09 | 0 | $0 | 32,700 | $897,030 | 23,700 | $310,233 |
| 2020-06 | 381 | $8,160 | 0 | $0 | 0 | $0 |
| 2020-05 | 0 | $0 | 20,209 | $517,949 | 7,000 | $169,470 |
| 2020-03 | 3,138 | $58,144 | 0 | $0 | 0 | $0 |
| Trade Date | Insider Name | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-05-16 | Anderson Joseph B Jr | Sale | 3,764 | 22.87 | 86,075 |
| 2025-05-01 | Schaum Richard O | Option Ex | 7,000 | 17.46 | 122,220 |
| 2024-05-20 | Goode Gary F | Sale | 4,716 | 34.46 | 162,503 |
| 2024-05-20 | Anderson Joseph B Jr | Sale | 4,716 | 34.46 | 162,503 |
| 2024-02-20 | Ryan Scott P (General Counsel) | Sale | 12,500 | 35.00 | 437,450 |
| 2024-02-20 | Ryan Scott P (General Counsel) | Option Ex | 12,500 | 22.94 | 286,750 |
| 2024-02-20 | Nash Kevin C (Chief Financial Officer) | Sale | 13,500 | 33.04 | 446,093 |
| 2024-02-20 | Nash Kevin C (Chief Financial Officer) | Option Ex | 13,500 | 22.94 | 309,690 |
| 2024-02-09 | Goode Gary F | Sale | 7,000 | 35.02 | 245,140 |
| 2024-02-09 | Goode Gary F | Option Ex | 7,000 | 24.21 | 169,470 |
| 2024-02-02 | Goode Gary F | Sale | 7,000 | 34.11 | 238,791 |
| 2024-02-02 | Goode Gary F | Option Ex | 7,000 | 18.70 | 130,900 |
| 2024-02-01 | Schaum Richard O | Sale | 6,022 | 33.93 | 204,332 |
| 2024-02-01 | Schaum Richard O | Option Ex | 14,000 | 14.30 | 200,200 |
| 2023-07-31 | Starkoff Kathleen | Sale | 4,430 | 33.20 | 147,093 |
| 2023-07-31 | Starkoff Kathleen | Option Ex | 4,430 | 21.46 | 95,067 |
| 2023-07-31 | Anderson Joseph B Jr | Sale | 4,416 | 33.52 | 148,041 |
| 2023-05-19 | Hollars James A | Sale | 4,416 | 28.27 | 124,835 |
| 2023-05-19 | Goode Gary F | Sale | 4,416 | 28.27 | 124,835 |
| 2023-05-01 | Schaum Richard O | Sale | 5,424 | 27.89 | 151,264 |
| 2023-05-01 | Schaum Richard O | Option Ex | 12,000 | 12.37 | 148,380 |
| 2023-03-06 | Boehm Neil (Chief Technology Officer) | Sale | 1,242 | 28.41 | 35,285 |
| 2023-03-06 | Boehm Neil (Chief Technology Officer) | Option Ex | 1,242 | 15.69 | 19,486 |
| 2023-02-21 | Ryan Scott P (General Counsel) | Sale | 9,895 | 28.29 | 279,949 |
| 2023-02-02 | Downing Steven R (President and CEO) | Sale | 17,730 | 30.21 | 535,587 |
| 2023-02-02 | Downing Steven R (President and CEO) | Option Ex | 17,730 | 14.70 | 260,631 |
| 2023-02-01 | Nash Kevin C (Chief Financial Officer) | Sale | 6,776 | 29.42 | 199,370 |
| 2023-02-01 | Nash Kevin C (Chief Financial Officer) | Option Ex | 6,776 | 14.70 | 99,607 |
| 2022-10-31 | Downing Steven R (President and CEO) | Buy | 10,000 | 25.74 | 257,399 |
| 2022-10-31 | Wallace James H | Sale | 14,000 | 26.04 | 364,546 |
| 2022-10-31 | Wallace James H | Option Ex | 14,000 | 21.45 | 300,370 |
| 2022-05-20 | Goode Gary F | Sale | 2,845 | 30.17 | 85,839 |
| 2022-03-31 | Boehm Neil (Chief Technology Officer) | Sale | 4,500 | 29.24 | 131,580 |
| 2022-03-31 | Chiodo Matthew (Vice President of Sales) | Sale | 5,700 | 29.24 | 166,668 |
| 2022-02-22 | Boehm Neil (Chief Technology Officer) | Sale | 15,993 | 30.36 | 485,579 |
| 2022-02-22 | Chiodo Matthew (Vice President of Sales) | Sale | 14,931 | 30.36 | 453,335 |
| 2022-02-22 | Ryan Scott P (General Counsel) | Sale | 13,755 | 30.36 | 417,629 |
| 2022-02-22 | Downing Steven R (President and CEO) | Sale | 58,937 | 30.36 | 1,789,445 |
| 2022-02-22 | Nash Kevin C (Chief Financial Officer) | Sale | 15,718 | 30.36 | 477,229 |
| 2022-02-16 | Ryan Scott P (General Counsel) | Sale | 1,820 | 31.32 | 57,004 |
| 2022-02-16 | Downing Steven R (President and CEO) | Sale | 7,560 | 31.32 | 236,786 |
| 2022-02-16 | Nash Kevin C (Chief Financial Officer) | Sale | 3,630 | 31.32 | 113,695 |
| 2022-02-15 | Boehm Neil (Chief Technology Officer) | Sale | 8,000 | 31.50 | 251,984 |
| 2022-02-15 | Chiodo Matthew (Vice President of Sales) | Sale | 8,000 | 31.50 | 251,984 |
| 2022-02-15 | Ryan Scott P (General Counsel) | Sale | 8,000 | 31.50 | 251,984 |
| 2022-02-15 | Downing Steven R (President and CEO) | Sale | 31,000 | 31.50 | 976,438 |
| 2022-02-15 | Nash Kevin C (Chief Financial Officer) | Sale | 8,000 | 31.50 | 251,984 |
| 2021-11-03 | Wallace James H | Sale | 7,000 | 36.23 | 253,645 |
| 2021-11-03 | Wallace James H | Option Ex | 7,000 | 15.74 | 110,180 |
| 2021-11-01 | Goode Gary F | Sale | 6,200 | 35.68 | 221,209 |
| 2021-11-01 | Goode Gary F | Option Ex | 6,200 | 15.74 | 97,588 |
| 2021-10-29 | Wallace James H | Sale | 7,000 | 35.19 | 246,295 |
| 2021-10-29 | Wallace James H | Option Ex | 7,000 | 17.46 | 122,220 |
| 2021-10-29 | Schaum Richard O | Option Ex | 12,000 | 11.20 | 134,340 |
| 2021-10-28 | Goode Gary F | Sale | 7,800 | 35.71 | 278,569 |
| 2021-10-28 | Goode Gary F | Option Ex | 7,800 | 16.60 | 129,480 |
| 2021-10-25 | Ryan Scott P (General Counsel) | Sale | 9,224 | 34.27 | 316,106 |
| 2021-10-25 | Ryan Scott P (General Counsel) | Option Ex | 4,580 | 16.01 | 73,325 |
| 2021-07-27 | Mulder John A | Sale | 7,000 | 32.65 | 228,550 |
| 2021-07-27 | Mulder John A | Option Ex | 7,000 | 24.21 | 169,470 |
| 2021-06-08 | Zang Ling | Sale | 10,000 | 34.34 | 343,400 |
| 2021-04-28 | Schaum Richard O | Sale | 5,440 | 35.69 | 194,175 |
| 2021-04-28 | Schaum Richard O | Option Ex | 12,000 | 15.86 | 190,260 |
| 2021-03-31 | Boehm Neil (Chief Technology Officer) | Sale | 2,053 | 35.66 | 73,218 |
| 2021-03-31 | Chiodo Matthew (Vice President of Sales) | Sale | 6,851 | 35.66 | 244,334 |
| 2021-02-22 | Ryan Scott P (General Counsel) | Sale | 1,650 | 35.57 | 58,688 |
| 2021-02-22 | Downing Steven R (President and CEO) | Sale | 6,300 | 35.57 | 224,084 |
| 2021-02-22 | Nash Kevin C (Chief Financial Officer) | Sale | 3,150 | 35.57 | 112,042 |
| 2021-02-16 | Ryan Scott P (General Counsel) | Sale | 1,512 | 35.73 | 54,028 |
| 2021-02-16 | Downing Steven R (President and CEO) | Sale | 6,384 | 35.73 | 228,119 |
| 2021-02-16 | Nash Kevin C (Chief Financial Officer) | Sale | 2,922 | 35.73 | 104,411 |
| 2021-02-12 | Goode Gary F | Sale | 14,000 | 35.59 | 498,218 |
| 2021-02-12 | Goode Gary F | Option Ex | 14,000 | 14.30 | 200,200 |
| 2021-02-05 | Mulder John A | Sale | 6,133 | 34.80 | 213,459 |
| 2021-02-05 | Mulder John A | Option Ex | 6,133 | 17.46 | 107,082 |
| 2021-02-04 | Mulder John A | Sale | 7,000 | 34.90 | 244,279 |
| 2021-02-04 | Mulder John A | Option Ex | 7,000 | 18.70 | 130,900 |
| 2021-02-01 | Chiodo Matthew (Vice President of Sales) | Sale | 5,000 | 33.06 | 165,315 |
| 2021-02-01 | Chiodo Matthew (Vice President of Sales) | Option Ex | 5,000 | 15.69 | 78,450 |
| 2021-02-01 | Wallace James H | Sale | 7,000 | 33.90 | 237,286 |
| 2021-02-01 | Wallace James H | Option Ex | 7,000 | 14.30 | 100,100 |
| 2021-02-01 | Mulder John A | Sale | 867 | 34.19 | 29,638 |
| 2021-02-01 | Mulder John A | Option Ex | 867 | 17.46 | 15,137 |
| 2020-12-31 | Ryan Scott P (General Counsel) | Sale | 1,650 | 33.93 | 55,989 |
| 2020-11-18 | Boehm Neil (Chief Technology Officer) | Sale | 19,968 | 33.22 | 663,416 |
| 2020-11-18 | Boehm Neil (Chief Technology Officer) | Option Ex | 19,968 | 19.32 | 385,681 |
| 2020-11-18 | Downing Steven R (President and CEO) | Sale | 28,504 | 33.19 | 946,047 |
| 2020-11-18 | Downing Steven R (President and CEO) | Option Ex | 28,504 | 14.44 | 411,654 |
| 2020-11-18 | Nash Kevin C (Chief Financial Officer) | Sale | 10,700 | 33.18 | 355,036 |
| 2020-11-18 | Nash Kevin C (Chief Financial Officer) | Option Ex | 10,700 | 14.44 | 154,529 |
| 2020-11-05 | Ryan Scott P (General Counsel) | Sale | 1,085 | 30.00 | 32,550 |
| 2020-11-04 | Mulder John A | Sale | 5,000 | 29.45 | 147,255 |
| 2020-11-02 | Wallace James H | Sale | 7,000 | 28.06 | 196,392 |
| 2020-11-02 | Wallace James H | Option Ex | 7,000 | 14.30 | 100,100 |
| 2020-11-02 | Mulder John A | Sale | 5,000 | 28.10 | 140,500 |
| 2020-09-30 | Downing Steven R (President and CEO) | Sale | 6,000 | 25.81 | 154,878 |
| 2020-09-30 | Nash Kevin C (Chief Financial Officer) | Sale | 3,000 | 25.81 | 77,439 |
| 2020-09-02 | Downing Steven R (President and CEO) | Sale | 23,700 | 28.05 | 664,713 |
| 2020-09-02 | Downing Steven R (President and CEO) | Option Ex | 23,700 | 13.09 | 310,233 |
| 2020-06-26 | Boehm Neil (Chief Technology Officer) | Buy | 30 | 21.42 | 642 |
| 2020-06-26 | Chiodo Matthew (Vice President of Sales) | Buy | 117 | 21.42 | 2,506 |
| 2020-06-26 | Ryan Scott P (General Counsel) | Buy | 117 | 21.42 | 2,506 |
| 2020-06-26 | Downing Steven R (President and CEO) | Buy | 117 | 21.42 | 2,506 |
| 2020-05-18 | Hollars James A | Sale | 4,403 | 25.46 | 112,095 |
| 2020-05-18 | Mulder John A | Sale | 4,403 | 25.46 | 112,095 |
| 2020-05-18 | Sotok Frederick A | Sale | 4,403 | 25.46 | 112,095 |
| 2020-05-08 | Sotok Frederick A | Sale | 7,000 | 25.95 | 181,664 |
| 2020-05-08 | Sotok Frederick A | Option Ex | 7,000 | 24.21 | 169,470 |
| 2020-03-27 | Boehm Neil (Chief Technology Officer) | Buy | 575 | 18.53 | 10,654 |
| 2020-03-27 | Chiodo Matthew (Vice President of Sales) | Buy | 675 | 18.53 | 12,507 |
| 2020-03-27 | Ryan Scott P (General Counsel) | Buy | 675 | 18.53 | 12,507 |
| 2020-03-27 | Downing Steven R (President and CEO) | Buy | 674 | 18.53 | 12,489 |
| 2020-03-27 | Nash Kevin C (Chief Financial Officer) | Buy | 539 | 18.53 | 9,987 |
| 2020-02-03 | Wallace James H | Sale | 12,000 | 30.06 | 360,684 |
| 2020-02-03 | Wallace James H | Option Ex | 12,000 | 12.37 | 148,380 |
| 2019-12-27 | Boehm Neil (Chief Technology Officer) | Buy | 13 | 24.65 | 320 |
| 2019-12-27 | Chiodo Matthew (Vice President of Sales) | Buy | 101 | 24.65 | 2,489 |
| 2019-12-27 | Ryan Scott P (General Counsel) | Buy | 101 | 24.65 | 2,489 |
| 2019-12-27 | Downing Steven R (President and CEO) | Buy | 102 | 24.65 | 2,514 |
| 2019-10-28 | Goode Gary F | Sale | 9,414 | 28.10 | 264,542 |
| 2019-10-28 | Goode Gary F | Option Ex | 9,414 | 12.37 | 116,404 |
| 2019-10-23 | Mulder John A | Sale | 7,000 | 28.00 | 196,000 |
| 2019-10-23 | Mulder John A | Option Ex | 7,000 | 15.74 | 110,180 |
| 2019-10-01 | Boehm Neil (Chief Technology Officer) | Sale | 8,000 | 27.49 | 219,920 |
| 2019-10-01 | Nash Kevin C (Chief Financial Officer) | Sale | 12,000 | 27.49 | 329,880 |
| 2019-09-27 | Boehm Neil (Chief Technology Officer) | Buy | 14 | 23.52 | 329 |
| 2019-09-27 | Chiodo Matthew (Vice President of Sales) | Buy | 106 | 23.52 | 2,493 |
| 2019-09-27 | Ryan Scott P (General Counsel) | Buy | 106 | 23.52 | 2,493 |
| 2019-09-27 | Downing Steven R (President and CEO) | Buy | 106 | 23.52 | 2,493 |
| 2019-09-12 | Mulder John A | Sale | 5,000 | 28.08 | 140,420 |
| 2019-08-01 | Goode Gary F | Sale | 2,586 | 27.60 | 71,381 |
| 2019-08-01 | Goode Gary F | Option Ex | 2,586 | 12.37 | 31,975 |
| 2019-07-24 | Chiodo Matthew (Vice President of Sales) | Sale | 5,560 | 27.07 | 150,498 |
| 2019-07-24 | Chiodo Matthew (Vice President of Sales) | Option Ex | 5,560 | 17.00 | 94,492 |
| 2019-07-22 | Boehm Neil (Chief Technology Officer) | Sale | 5,640 | 25.32 | 142,804 |
| 2019-07-22 | Boehm Neil (Chief Technology Officer) | Option Ex | 5,640 | 18.30 | 103,212 |
| 2019-07-22 | Ryan Scott P (General Counsel) | Sale | 4,798 | 25.32 | 121,485 |
| 2019-07-22 | Ryan Scott P (General Counsel) | Option Ex | 4,798 | 18.31 | 87,851 |
| 2019-07-22 | Hollars James A | Sale | 14,000 | 25.32 | 354,480 |
| 2019-07-22 | Hollars James A | Option Ex | 14,000 | 14.30 | 200,200 |
| 2019-07-22 | Downing Steven R (President and CEO) | Sale | 3,810 | 25.32 | 96,469 |
| 2019-07-22 | Downing Steven R (President and CEO) | Option Ex | 3,810 | 8.63 | 32,899 |
| 2019-07-22 | Goode Gary F | Sale | 24,000 | 26.43 | 634,320 |
| 2019-07-22 | Goode Gary F | Option Ex | 24,000 | 13.53 | 324,600 |
| 2019-07-22 | Sotok Frederick A | Sale | 10,000 | 26.35 | 263,540 |
| 2019-07-22 | Sotok Frederick A | Option Ex | 10,000 | 17.22 | 172,200 |
| 2019-06-28 | Boehm Neil (Chief Technology Officer) | Buy | 15 | 20.92 | 313 |
| 2019-06-28 | Chiodo Matthew (Vice President of Sales) | Buy | 120 | 20.92 | 2,510 |
| 2019-06-28 | Ryan Scott P (General Counsel) | Buy | 120 | 20.92 | 2,510 |
| 2019-06-28 | Ryan Scott P (General Counsel) | Sale | 3,522 | 25.00 | 88,050 |
Insider trading activities including stock purchases, stock sales, and option exercises of GNTX listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Gentex Corp (symbol GNTX, CIK number 355811) see the Securities and Exchange Commission (SEC) website.