Insider Trading activities of Gentex Corp (GNTX)

Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Gentex Corp (GNTX) since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Gentex Corp since year 2005. Table 2 shows the detailed insider transactions of Gentex Corp since 2005. The reporting company's ticker symbol is GNTX. The reporting company's CIK number is 355811.
The total value of stock buying since 2005 is $201,641.
The total value of stock sales since 2005 is $191,324,275.
The total value of stock option exercises since 2005 is $56,786,285.


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Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Gentex Corp (GNTX).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2019-08 0 $0 2,586 $71,381 2,586 $31,975
2019-07 0 $0 67,808 $1,763,596 67,808 $1,015,454
2019-06 374 $7,822 4,712 $117,800 0 $0
2019-04 0 $0 12,000 $278,406 12,000 $126,719
2019-03 2,720 $47,816 16,606 $342,700 5,686 $87,621
2019-01 0 $0 24,000 $513,504 24,000 $324,600
2018-12 464 $7,822 3,000 $59,640 0 $0
2018-10 1,000 $20,406 0 $0 0 $0
2018-09 155 $2,826 28,000 $602,000 0 $0
2018-08 5,000 $114,949 0 $0 0 $0
2018-06 0 $0 5,000 $125,015 0 $0
2018-05 0 $0 4,000 $91,664 4,000 $62,960
2018-03 0 $0 947,260 $22,096,362 947,260 $12,237,888
2018-01 0 $0 112,094 $2,633,865 112,094 $1,551,708
2017-09 0 $0 12,320 $242,679 0 $0
2017-08 0 $0 239,400 $4,148,562 239,400 $2,182,131
2017-06 0 $0 10,000 $192,160 0 $0
2017-04 0 $0 35,610 $734,271 35,610 $533,779
2017-03 0 $0 10,000 $212,760 0 $0
2017-01 0 $0 26,720 $557,240 26,720 $306,930
2016-11 0 $0 2,244 $40,396 2,244 $22,698
2016-10 0 $0 18,210 $304,930 18,210 $182,580
2016-08 0 $0 716,000 $12,910,936 0 $0
2016-07 0 $0 44,364 $780,878 43,958 $491,218
2016-06 0 $0 620,140 $10,193,277 230,140 $1,679,161
2015-12 0 $0 2,000 $32,624 0 $0
2015-11 0 $0 806,184 $13,255,057 38,184 $435,755
2015-10 0 $0 29,420 $478,541 29,420 $295,738
2015-07 0 $0 0 $0 216,000 $1,738,800
2015-05 0 $0 6,300 $110,054 11,520 $132,398
2015-04 0 $0 15,140 $274,185 15,140 $200,135
2015-03 0 $0 4,000 $73,412 0 $0
2015-02 0 $0 79,204 $1,365,069 79,204 $882,145
2014-11 0 $0 112,500 $3,680,837 0 $0
2014-10 0 $0 457,100 $14,934,221 35,600 $711,437
2014-09 0 $0 23,382 $635,612 9,382 $172,957
2014-08 0 $0 4,256 $125,837 0 $0
2014-07 0 $0 14,848 $431,643 117,848 $2,466,759
2014-06 0 $0 4,563 $134,530 4,563 $75,226
2014-05 0 $0 8,478 $251,817 8,478 $163,143
2014-04 0 $0 34,674 $994,380 34,674 $626,247
2014-02 0 $0 17,500 $545,358 17,500 $390,640
2013-12 0 $0 4,130 $124,498 4,130 $65,460
2013-11 0 $0 2,000 $59,640 2,000 $31,700
2013-10 0 $0 20,500 $617,016 21,000 $400,020
2013-09 0 $0 648 $16,240 648 $9,266
2013-08 0 $0 0 $0 12,000 $226,500
2013-07 0 $0 10,986 $244,306 98,000 $1,324,960
2013-06 0 $0 2,600 $59,800 0 $0
2013-05 0 $0 449,453 $11,008,569 30,821 $459,050
2013-04 0 $0 3,355 $73,992 3,505 $53,996
2012-12 0 $0 8,000 $148,792 0 $0
2012-09 0 $0 0 $0 1,600 $22,976
2012-05 0 $0 7,237 $166,993 7,237 $72,080
2012-03 0 $0 10,800 $266,004 0 $0
2011-12 0 $0 28,436 $856,377 25,936 $396,384
2011-10 0 $0 12,000 $368,820 12,000 $191,100
2011-05 0 $0 70,215 $2,205,708 29,115 $360,903
2011-02 0 $0 93,126 $2,927,081 93,126 $1,567,166
2011-01 0 $0 13,150 $417,828 0 $0
2010-12 0 $0 736,953 $20,956,218 226,140 $4,092,419
2010-11 0 $0 56,090 $1,221,425 28,078 $501,850
2010-10 0 $0 0 $0 2,000 $28,500
2010-08 0 $0 0 $0 180,000 $3,007,800
2010-05 0 $0 23,212 $509,596 33,212 $513,567
2010-04 0 $0 224,042 $4,932,835 49,475 $787,227
2010-03 0 $0 202,445 $4,142,326 15,000 $210,000
2010-02 0 $0 1,076,064 $20,389,307 61,460 $835,111
2009-12 0 $0 19,360 $351,743 17,860 $316,211
2009-06 0 $0 3,000 $40,650 0 $0
2008-08 0 $0 10,000 $161,900 160,000 $2,320,800
2008-05 0 $0 4,000 $76,224 20,000 $174,680
2007-10 0 $0 29,280 $626,299 29,280 $375,369
2007-07 0 $0 13,625 $287,442 160,352 $2,115,479
2007-06 0 $0 119,331 $2,367,158 107,706 $1,777,392
2007-05 0 $0 79,870 $1,488,235 65,870 $865,223
2007-04 0 $0 61,520 $1,104,680 61,520 $728,272
2007-02 0 $0 591,304 $10,414,961 0 $0
2007-01 0 $0 15,642 $268,416 15,642 $201,875
2006-12 0 $0 10,000 $160,460 0 $0
2006-09 0 $0 5,800 $86,443 0 $0
2006-08 0 $0 47,064 $628,457 177,064 $1,797,088
2006-05 0 $0 45,800 $684,632 40,000 $183,720
2006-03 0 $0 85,852 $1,457,698 72,740 $827,757
2005-12 0 $0 84,040 $1,634,036 55,040 $815,582
2005-09 0 $0 50,000 $852,327 0 $0
2005-08 0 $0 34,000 $581,944 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Gentex Corp insiders (GNTX)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
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
2019-06-28 Downing Steven R (President and CEO) Buy 119 20.92 2,489
2019-06-28 Downing Steven R (President and CEO) Sale 1,190 25.00 29,750
2019-04-30 Goode Gary F Sale 6,955 23.20 161,362
2019-04-30 Goode Gary F Option Ex 6,955 10.56 73,444
2019-04-29 Goode Gary F Sale 5,045 23.20 117,044
2019-04-29 Goode Gary F Option Ex 5,045 10.56 53,275
2019-03-29 Boehm Neil (Chief Technology Officer) Buy 588 17.58 10,337
2019-03-29 Chiodo Matthew (Vice President of Sales) Buy 142 17.58 2,496
2019-03-29 Ryan Scott P (General Counsel) Buy 711 17.58 12,499
2019-03-29 Downing Steven R (President and CEO) Buy 711 17.58 12,499
2019-03-29 Nash Kevin C (Chief Financial Officer) Buy 568 17.58 9,985
2019-03-28 Boehm Neil (Chief Technology Officer) Sale 6,920 20.54 142,150
2019-03-28 Chiodo Matthew (Vice President of Sales) Sale 4,000 20.54 82,168
2019-03-18 Boehm Neil (Chief Technology Officer) Sale 2,686 20.82 55,922
2019-03-18 Boehm Neil (Chief Technology Officer) Option Ex 2,686 15.41 41,391
2019-03-18 Chiodo Matthew (Vice President of Sales) Sale 3,000 20.82 62,460
2019-03-18 Chiodo Matthew (Vice President of Sales) Option Ex 3,000 15.41 46,230
2019-01-31 Wallace James H Sale 24,000 21.40 513,504
2019-01-31 Wallace James H Option Ex 24,000 13.53 324,600
2018-12-30 Ryan Scott P (General Counsel) Sale 3,000 19.88 59,640
2018-12-28 Boehm Neil (Chief Technology Officer) Buy 19 16.86 320
2018-12-28 Chiodo Matthew (Vice President of Sales) Buy 148 16.86 2,495
2018-12-28 Ryan Scott P (General Counsel) Buy 148 16.86 2,495
2018-12-28 Downing Steven R (President and CEO) Buy 149 16.86 2,512
2018-10-22 Starkoff Kathleen Buy 1,000 20.41 20,406
2018-09-28 Boehm Neil (Chief Technology Officer) Buy 18 18.24 328
2018-09-28 Downing Steven R (President and CEO) Buy 137 18.24 2,498
2018-09-27 Boehm Neil (Chief Technology Officer) Sale 4,000 21.50 86,000
2018-09-27 Downing Steven R (President and CEO) Sale 18,000 21.50 387,000
2018-09-27 Nash Kevin C (Chief Financial Officer) Sale 6,000 21.50 129,000
2018-08-02 Schaum Richard O Buy 5,000 22.99 114,949
2018-06-19 Mulder John A Sale 5,000 25.00 125,015
2018-05-02 Sotok Frederick A Sale 4,000 22.92 91,664
2018-05-02 Sotok Frederick A Option Ex 4,000 15.74 62,960
2018-03-12 Bauer Fred (Chairman of the Board & CEO) Sale 231,573 23.36 5,409,545
2018-03-12 Bauer Fred (Chairman of the Board & CEO) Option Ex 231,573 16.18 3,747,545
2018-03-09 Bauer Fred (Chairman of the Board & CEO) Sale 714,627 23.32 16,662,957
2018-03-09 Bauer Fred (Chairman of the Board & CEO) Option Ex 714,627 11.86 8,474,761
2018-03-01 Matthews Joseph E Iv (Vice President Purchasing) Sale 1,060 22.51 23,860
2018-03-01 Matthews Joseph E Iv (Vice President Purchasing) Option Ex 1,060 14.70 15,582
2018-01-31 Ryan Scott P (General Counsel) Sale 7,220 23.66 170,825
2018-01-31 Ryan Scott P (General Counsel) Option Ex 7,220 16.41 118,516
2018-01-30 Nash Kevin C (Chief Accounting Officer) Sale 7,874 23.40 184,283
2018-01-30 Nash Kevin C (Chief Accounting Officer) Option Ex 7,874 13.89 109,393
2018-01-30 Wallace James H Sale 12,000 23.40 280,776
2018-01-30 Wallace James H Option Ex 12,000 10.56 126,720
2018-01-29 Hoekstra Peter Sale 47,000 23.52 1,105,675
2018-01-29 Hoekstra Peter Option Ex 47,000 15.71 738,511
2018-01-29 Mulder John A Sale 26,000 23.51 611,338
2018-01-29 Mulder John A Option Ex 26,000 15.08 392,028
2018-01-29 Goode Gary F Sale 12,000 23.41 280,968
2018-01-29 Goode Gary F Option Ex 12,000 5.54 66,540
2017-09-27 Downing Steven R (Chief Financial Officer) Sale 8,000 19.70 157,584
2017-09-27 Nash Kevin C (Chief Accounting Officer) Sale 4,320 19.70 85,095
2017-08-07 Bauer Fred (Chairman of the Board & CEO) Sale 239,400 17.33 4,148,562
2017-08-07 Bauer Fred (Chairman of the Board & CEO) Option Ex 239,400 9.12 2,182,131
2017-06-01 Mulder John A Sale 10,000 19.22 192,160
2017-04-27 Sotok Frederick A Sale 19,000 20.84 396,017
2017-04-27 Sotok Frederick A Option Ex 19,000 16.66 316,502
2017-04-25 Nash Kevin C (Chief Accounting Officer) Sale 1,694 20.65 34,987
2017-04-25 Nash Kevin C (Chief Accounting Officer) Option Ex 1,694 14.70 24,901
2017-04-24 Ryan Scott P (General Counsel) Sale 4,920 20.38 100,259
2017-04-24 Ryan Scott P (General Counsel) Option Ex 4,920 9.38 46,125
2017-04-24 Matthews Joseph E Iv (Vice President Purchasing) Sale 9,996 20.31 203,008
2017-04-24 Matthews Joseph E Iv (Vice President Purchasing) Option Ex 9,996 14.63 146,251
2017-03-30 Mulder John A Sale 10,000 21.28 212,760
2017-01-31 Downing Steven R (Chief Financial Officer) Sale 10,176 20.75 211,111
2017-01-31 Downing Steven R (Chief Financial Officer) Option Ex 10,176 12.31 125,266
2017-01-30 Nash Kevin C (Chief Accounting Officer) Sale 4,544 20.90 94,969
2017-01-30 Nash Kevin C (Chief Accounting Officer) Option Ex 4,544 14.44 65,624
2017-01-30 Sotok Frederick A Sale 12,000 20.93 251,160
2017-01-30 Sotok Frederick A Option Ex 12,000 9.67 116,040
2016-11-18 Matthews Joseph E Iv (Vice President Purchasing) Sale 2,244 18.00 40,396
2016-11-18 Matthews Joseph E Iv (Vice President Purchasing) Option Ex 2,244 10.12 22,698
2016-10-25 Nash Kevin C (Chief Accounting Officer) Sale 6,210 16.68 103,582
2016-10-25 Nash Kevin C (Chief Accounting Officer) Option Ex 6,210 10.71 66,540
2016-10-25 Wallace James H Sale 12,000 16.78 201,348
2016-10-25 Wallace James H Option Ex 12,000 9.67 116,040
2016-08-22 Bauer Fred (Chairman of the Board & CEO) Sale 45,039 18.02 811,827
2016-08-19 Bauer Fred (Chairman of the Board & CEO) Sale 434,961 18.04 7,848,001
2016-08-18 Bauer Fred (Chairman of the Board & CEO) Sale 216,000 18.01 3,889,728
2016-08-10 Mulder John A Sale 20,000 18.07 361,380
2016-07-26 Ryan Scott P (General Counsel) Sale 5,132 17.68 90,713
2016-07-26 Ryan Scott P (General Counsel) Option Ex 4,726 14.96 70,700
2016-07-25 Downing Steven R (Chief Financial Officer) Sale 8,820 17.62 155,381
2016-07-25 Downing Steven R (Chief Financial Officer) Option Ex 8,820 12.48 110,073
2016-07-25 Nash Kevin C (Chief Accounting Officer) Sale 6,412 17.63 113,056
2016-07-25 Nash Kevin C (Chief Accounting Officer) Option Ex 6,412 13.09 83,933
2016-07-25 Goode Gary F Sale 24,000 17.57 421,728
2016-07-25 Goode Gary F Option Ex 24,000 9.44 226,512
2016-06-24 Bauer Fred (Chairman of the Board & CEO) Option Ex 228,000 7.25 1,653,000
2016-06-08 Bauer Fred (Chairman of the Board & CEO) Sale 75,000 16.44 1,233,150
2016-06-07 Bauer Fred (Chairman of the Board & CEO) Sale 276,700 16.45 4,553,098
2016-06-06 Bauer Fred (Chairman of the Board & CEO) Sale 238,200 16.42 3,910,767
2016-06-03 Bauer Fred (Chairman of the Board & CEO) Sale 28,100 16.40 460,952
2016-06-01 Matthews Joseph E Iv (Vice President Purchasing) Sale 2,140 16.50 35,310
2016-06-01 Matthews Joseph E Iv (Vice President Purchasing) Option Ex 2,140 12.22 26,161
2015-12-28 Ryan Scott P (General Counsel) Sale 2,000 16.31 32,624
2015-11-10 Bauer Fred (Chairman of the Board & CEO) Sale 762,000 16.43 12,520,422
2015-11-05 Mulder John A (Director) Sale 4,600 16.60 76,360
2015-11-04 Mulder John A (Director) Sale 1,400 16.63 23,276
2015-11-02 Newton Mark W (Senior Vice President) Sale 38,184 16.63 634,999
2015-11-02 Newton Mark W (Senior Vice President) Option Ex 38,184 11.41 435,755
2015-10-28 Ryan Scott P (General Counsel) Sale 3,000 16.36 49,074
2015-10-28 Ryan Scott P (General Counsel) Option Ex 3,000 14.73 44,190
2015-10-27 Nash Kevin C (Chief Accounting Officer) Sale 7,620 16.23 123,680
2015-10-27 Nash Kevin C (Chief Accounting Officer) Option Ex 7,620 11.30 86,128
2015-10-26 Nash Kevin C (Chief Accounting Officer) Sale 6,800 16.40 111,519
2015-10-26 Nash Kevin C (Chief Accounting Officer) Option Ex 6,800 11.30 76,860
2015-10-23 Goode Gary F (Director) Sale 12,000 16.19 194,268
2015-10-23 Goode Gary F (Director) Option Ex 12,000 7.38 88,560
2015-07-31 Bauer Fred (Chairman of the Board & CEO) Option Ex 216,000 8.05 1,738,800
2015-05-12 Downing Steven R (Chief Financial Officer) Sale 6,300 17.47 110,054
2015-05-12 Downing Steven R (Chief Financial Officer) Option Ex 6,300 9.76 61,506
2015-05-06 Nash Kevin C (Chief Accounting Officer) Option Ex 5,220 13.58 70,892
2015-04-23 Matthews Joseph E Iv (VIce President Purchasing) Sale 15,140 18.11 274,185
2015-04-23 Matthews Joseph E Iv (VIce President Purchasing) Option Ex 15,140 13.22 200,135
2015-03-31 Matthews Joseph E Iv (VIce President Purchasing) Sale 4,000 18.35 73,412
2015-02-06 Mulder John A (Director) Sale 12,000 17.25 207,048
2015-02-06 Mulder John A (Director) Option Ex 12,000 12.37 148,380
2015-02-03 Newton Mark W (Senior Vice President) Sale 34,204 17.36 593,815
2015-02-03 Newton Mark W (Senior Vice President) Option Ex 34,204 10.16 347,512
2015-02-03 Sotok Frederick A (Director) Sale 21,000 17.28 362,943
2015-02-03 Sotok Frederick A (Director) Option Ex 21,000 13.33 279,993
2015-02-02 Goode Gary F (Director) Sale 12,000 16.77 201,263
2015-02-02 Goode Gary F (Director) Option Ex 12,000 8.86 106,260
2014-11-04 Bauer Fred (Chairman of the Board & CEO) Sale 50,000 32.60 1,629,900
2014-11-03 Bauer Fred (Chairman of the Board & CEO) Sale 62,500 32.81 2,050,937
2014-10-31 Bauer Fred (Chairman of the Board & CEO) Sale 421,500 32.80 13,826,464
2014-10-24 Matthews Joseph E Iv (VIce President Purchasing) Sale 1,070 31.72 33,940
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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.