Insider Trading activities of Gentex Corp insiders. , Part 2

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Gentex Corp since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Gentex Corp since year 2005. (See page 1 of this report.) 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 $0.
The total value of stock sales since 2005 is $162,628,342.
The total value of stock option exercises since 2005 is $41,347,360.


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Table 2. Detailed insider stock purchases, sales, and option exercises of Gentex Corp insiders (GNTX) , Part 2
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2011-12-02 Dykman Steven A (VP Finance & Treasurer) Sale 5,040 30.72 154,833
2011-12-02 Dykman Steven A (VP Finance & Treasurer) Option Ex 5,040 18.12 91,324
2011-12-02 Jen Enoch C (Senior Vice President) Sale 10,000 30.80 308,000
2011-12-02 Jen Enoch C (Senior Vice President) Option Ex 10,000 14.00 140,000
2011-10-27 Goode Gary F (Director) Sale 12,000 30.73 368,820
2011-10-27 Goode Gary F (Director) Option Ex 12,000 15.93 191,100
2011-05-13 Lanting Arlyn J (Director) Sale 41,100 31.45 1,292,800
2011-05-11 Dykman Steven A (VP Finance & Treasurer) Sale 2,640 32.00 84,480
2011-05-11 Dykman Steven A (VP Finance & Treasurer) Option Ex 2,640 8.30 21,912
2011-05-03 Jen Enoch C (Senior Vice President) Sale 14,475 31.50 455,948
2011-05-03 Jen Enoch C (Senior Vice President) Option Ex 14,475 9.96 144,171
2011-05-02 Tsuha Wallace K Jr (Director) Sale 12,000 31.04 372,480
2011-05-02 Tsuha Wallace K Jr (Director) Option Ex 12,000 16.23 194,820
2011-02-11 Jen Enoch C (Senior Vice President) Sale 15,750 31.84 501,464
2011-02-11 Jen Enoch C (Senior Vice President) Option Ex 15,750 16.25 255,937
2011-02-10 Dykman Steven A (VP Finance & Treasurer) Sale 7,200 31.41 226,116
2011-02-10 Dykman Steven A (VP Finance & Treasurer) Option Ex 7,200 15.85 114,120
2011-02-07 La Grand Kenneth L (Director) Sale 60,000 31.20 1,871,820
2011-02-07 La Grand Kenneth L (Director) Option Ex 60,000 17.05 1,022,940
2011-02-01 Goode Gary F (Director) Sale 4,176 32.28 134,805
2011-02-01 Goode Gary F (Director) Option Ex 4,176 15.79 65,959
2011-02-01 Sotok Frederick A (Director) Sale 6,000 32.15 192,876
2011-02-01 Sotok Frederick A (Director) Option Ex 6,000 18.04 108,210
2011-01-31 Lanting Arlyn J (Director) Sale 13,150 31.77 417,828
2010-12-29 Arnold John W (VP of Operations Auto Products) Sale 13,256 29.63 392,815
2010-12-29 Arnold John W (VP of Operations Auto Products) Option Ex 13,256 15.96 211,565
2010-12-28 Arnold John W (VP of Operations Auto Products) Sale 4,800 29.41 141,148
2010-12-15 Newton Mark W (VP Purchasing & Advanced Techn) Sale 11,792 29.13 343,477
2010-12-15 Newton Mark W (VP Purchasing & Advanced Techn) Option Ex 11,792 14.30 168,660
2010-12-14 Bauer Fred (Chairman of the Board & CEO) Sale 100,000 29.15 2,914,800
2010-12-13 Tsuha Wallace K Jr (Director) Sale 17,852 29.01 517,886
2010-12-13 Tsuha Wallace K Jr (Director) Option Ex 17,852 19.19 342,544
2010-12-13 Bauer Fred (Chairman of the Board & CEO) Sale 200,000 29.04 5,808,400
2010-12-10 Lanting Arlyn J (Director) Sale 46,000 28.76 1,322,914
2010-12-10 Lanting Arlyn J (Director) Option Ex 46,000 15.90 731,538
2010-12-10 Bauer Fred (Chairman of the Board & CEO) Sale 200,000 28.86 5,772,600
2010-12-08 Jen Enoch C (Senior Vice President) Sale 38,400 29.82 1,145,049
2010-12-08 Jen Enoch C (Senior Vice President) Option Ex 38,400 21.10 810,240
2010-12-07 Mulder John A (Director) Sale 30,000 27.15 814,500
2010-12-07 Mulder John A (Director) Option Ex 30,000 18.37 551,220
2010-12-03 Dykman Steven A (VP Finance & Treasurer) Sale 2,400 26.25 62,992
2010-12-03 Dykman Steven A (VP Finance & Treasurer) Option Ex 2,400 15.85 38,040
2010-12-03 Somma Rande S (Director) Sale 42,013 25.06 1,052,971
2010-12-03 Somma Rande S (Director) Option Ex 36,000 17.07 614,592
2010-12-01 Arnold John W (VP of Operations Auto Products) Sale 30,440 21.90 666,666
2010-12-01 Arnold John W (VP of Operations Auto Products) Option Ex 30,440 20.50 624,020
2010-11-09 Newton Mark W (VP Purchasing & Advanced Techn) Sale 5,760 22.07 127,105
2010-11-09 Newton Mark W (VP Purchasing & Advanced Techn) Option Ex 5,760 19.59 112,838
2010-11-08 Mulder John A (Director) Sale 20,000 22.00 440,020
2010-11-05 Jen Enoch C (Senior Vice President) Sale 20,950 21.76 455,913
2010-11-05 Jen Enoch C (Senior Vice President) Option Ex 12,938 15.93 206,102
2010-11-04 Dykman Steven A (VP Finance & Treasurer) Sale 9,380 21.15 198,387
2010-11-04 Dykman Steven A (VP Finance & Treasurer) Option Ex 9,380 19.50 182,910
2010-10-29 Newton Mark W (VP Purchasing & Advanced Techn) Option Ex 2,000 14.25 28,500
2010-08-09 Bauer Fred (Chairman of the Board & CEO) Option Ex 180,000 16.71 3,007,800
2010-05-10 Lanting Arlyn J (Director) Option Ex 10,000 15.41 154,060
2010-05-03 Mulder John A (Director) Sale 23,212 21.95 509,596
2010-05-03 Mulder John A (Director) Option Ex 23,212 15.49 359,507
2010-04-29 Tsuha Wallace K Jr (Director) Sale 6,000 21.97 131,838
2010-04-29 Tsuha Wallace K Jr (Director) Option Ex 6,000 11.09 66,540
2010-04-29 Sotok Frederick A (Director) Sale 12,000 22.01 264,120
2010-04-29 Sotok Frederick A (Director) Option Ex 12,000 17.87 214,476
2010-04-26 Newton Mark W (VP Purchasing & Advanced Techn) Sale 4,013 22.20 89,080
2010-04-26 Newton Mark W (VP Purchasing & Advanced Techn) Option Ex 4,013 17.13 68,742
2010-04-26 La Grand Kenneth L (Director) Sale 174,567 22.02 3,843,441
2010-04-26 Jen Enoch C (Senior Vice President) Sale 27,462 22.01 604,356
2010-04-26 Jen Enoch C (Senior Vice President) Option Ex 27,462 15.93 437,469
2010-03-23 La Grand Kenneth L (Director) Sale 3,300 20.80 68,640
2010-03-22 La Grand Kenneth L (Director) Sale 23,502 20.80 488,888
2010-03-18 La Grand Kenneth L (Director) Sale 631 20.80 13,124
2010-03-08 La Grand Kenneth L (Director) Sale 26,000 20.91 543,660
2010-03-08 Lanting Arlyn J (Director) Sale 50,000 20.32 1,016,000
2010-03-08 Jen Enoch C (Senior Vice President) Sale 23,012 20.39 469,214
2010-03-08 Jen Enoch C (Senior Vice President) Option Ex 15,000 14.00 210,000
2010-03-05 La Grand Kenneth L (Director) Sale 76,000 20.30 1,542,800
2010-02-17 Bauer Fred (Chairman of the Board & CEO) Sale 127,200 19.28 2,452,797
2010-02-16 Bauer Fred (Chairman of the Board & CEO) Sale 372,800 19.07 7,111,160
2010-02-12 Bauer Fred (Chairman of the Board & CEO) Sale 223,715 18.75 4,195,327
2010-02-11 Mulder John A (Director) Sale 12,000 18.71 224,567
2010-02-11 Mulder John A (Director) Option Ex 12,000 12.93 155,100
2010-02-11 Jen Enoch C (Senior Vice President) Sale 8,002 18.71 149,701
2010-02-11 Bauer Fred (Chairman of the Board & CEO) Sale 138,785 18.77 2,604,439
2010-02-10 Bauer Fred (Chairman of the Board & CEO) Sale 77,500 18.69 1,448,165
2010-02-09 Jen Enoch C (Senior Vice President) Sale 13,922 18.62 259,241
2010-02-09 Jen Enoch C (Senior Vice President) Option Ex 7,320 12.82 93,842
2010-02-09 Bauer Fred (Chairman of the Board & CEO) Sale 60,000 18.63 1,117,740
2010-02-03 Dykman Steven A (VP Finance & Treasurer) Sale 2,640 20.00 52,800
2010-02-03 Dykman Steven A (VP Finance & Treasurer) Option Ex 2,640 8.30 21,912
2010-02-01 Sotok Frederick A (Director) Sale 39,500 19.58 773,370
2010-02-01 Sotok Frederick A (Director) Option Ex 39,500 14.29 564,257
2009-12-08 Sotok Frederick A (Director) Sale 1,500 17.79 26,691
2009-12-07 Dykman Steven A (VP Finance & Treasurer) Sale 17,860 18.20 325,052
2009-12-07 Dykman Steven A (VP Finance & Treasurer) Option Ex 17,860 17.70 316,211
2009-06-11 Mulder John A (Director) Sale 3,000 13.55 40,650
2008-08-14 Bauer Fred (Chairman of the Board & CEO) Option Ex 160,000 14.51 2,320,800
2008-08-12 Mulder John A (Director) Sale 10,000 16.19 161,900
2008-05-05 Lanting Arlyn J (Director) Option Ex 20,000 8.73 174,680
2008-05-02 Mulder John A (Director) Sale 4,000 19.06 76,224
2007-10-26 Jen Enoch C (Senior Vice President) Sale 29,280 21.39 626,299
2007-10-26 Jen Enoch C (Senior Vice President) Option Ex 29,280 12.82 375,369
2007-07-30 Bauer Fred (Chairman of the Board & CEO) Option Ex 144,000 13.12 1,890,000
2007-07-26 Jen Enoch C (Senior Vice President) Option Ex 6,602 12.50 82,525
2007-07-25 La Grand Kenneth L (Director) Sale 3,875 21.34 82,692
2007-07-25 Carter John W (V.P. Engineering) Sale 9,750 21.00 204,750
2007-07-25 Carter John W (V.P. Engineering) Option Ex 9,750 14.66 142,954
2007-06-28 Carter John W (V.P. Engineering) Sale 5,880 19.52 114,771
2007-06-28 Carter John W (V.P. Engineering) Option Ex 5,880 13.73 80,761
2007-06-19 Dykman Steven A (VP Finance & Treasurer) Sale 8,090 20.00 161,800
2007-06-19 Dykman Steven A (VP Finance & Treasurer) Option Ex 8,090 16.15 130,653
2007-06-19 La Grand Kenneth L (Director) Sale 11,625 20.10 233,662
2007-06-19 Jen Enoch C (Senior Vice President) Sale 26,836 20.01 536,988
2007-06-19 Jen Enoch C (Senior Vice President) Option Ex 26,836 14.75 395,831
2007-06-19 Alexejun Dennis E (V.P. Automotive Marketing) Sale 66,900 19.73 1,319,937
2007-06-19 Alexejun Dennis E (V.P. Automotive Marketing) Option Ex 66,900 17.49 1,170,147
2007-05-23 Carter John W (V.P. Engineering) Sale 18,528 18.56 343,879
2007-05-23 Carter John W (V.P. Engineering) Option Ex 18,528 15.32 283,941
2007-05-23 Mulder John A (Director) Sale 9,000 18.29 164,610
2007-05-09 Lanting Arlyn J (Director) Option Ex 10,000 4.66 46,560
2007-05-09 Alexejun Dennis E (V.P. Automotive Marketing) Sale 23,712 18.71 443,604
2007-05-09 Alexejun Dennis E (V.P. Automotive Marketing) Option Ex 23,712 14.29 338,725
2007-05-08 Jen Enoch C (Senior Vice President) Sale 3,300 18.85 62,205
2007-05-07 Jen Enoch C (Senior Vice President) Sale 11,700 18.90 221,129
2007-05-04 Dykman Steven A (VP Finance & Treasurer) Sale 8,090 18.75 151,703
2007-05-04 Dykman Steven A (VP Finance & Treasurer) Option Ex 8,090 16.15 130,653
2007-05-04 Alexejun Dennis E (V.P. Automotive Marketing) Sale 5,540 18.25 101,105
2007-05-04 Alexejun Dennis E (V.P. Automotive Marketing) Option Ex 5,540 11.79 65,344
2007-04-30 Lanting Arlyn J (Director) Option Ex 10,000 4.66 46,560
2007-04-26 Alexejun Dennis E (V.P. Automotive Marketing) Sale 10,000 18.00 180,000
2007-04-25 Carter John W (V.P. Engineering) Sale 51,520 17.95 924,680
2007-04-25 Carter John W (V.P. Engineering) Option Ex 51,520 13.23 681,712
2007-02-26 Bauer Fred (Chairman of the Board & CEO) Sale 20 17.36 347
2007-02-23 Bauer Fred (Chairman of the Board & CEO) Sale 44,033 17.42 767,010
2007-02-22 Bauer Fred (Chairman of the Board & CEO) Sale 700 17.46 12,222
2007-02-21 Bauer Fred (Chairman of the Board & CEO) Sale 45,000 17.46 785,925
2007-02-15 Bauer Fred (Chairman of the Board & CEO) Sale 107,200 17.46 1,871,497
2007-02-14 Carter John W (V.P. Engineering) Sale 27,988 17.53 490,545
2007-02-14 Bauer Fred (Chairman of the Board & CEO) Sale 5,863 17.59 103,118
2007-02-09 Bauer Fred (Chairman of the Board & CEO) Sale 127,500 17.79 2,268,352
2007-02-08 Bauer Fred (Chairman of the Board & CEO) Sale 233,000 17.66 4,115,945
2007-01-31 Alexejun Dennis E (V.P. Automotive Marketing) Sale 15,642 17.16 268,416
2007-01-31 Alexejun Dennis E (V.P. Automotive Marketing) Option Ex 15,642 12.91 201,875
2006-12-27 Mulder John A (Director) Sale 10,000 16.05 160,460
2006-09-13 Deur Garth D (Other) Sale 5,800 14.90 86,443
2006-08-17 Deur Garth D (Executive Vice President) Sale 7,064 15.28 107,937
2006-08-17 Deur Garth D (Executive Vice President) Option Ex 7,064 13.48 95,258
2006-08-07 Bauer Fred (Chairman of the Board & CEO) Option Ex 130,000 11.03 1,434,030
2006-08-01 Weber Leo L (Director) Sale 40,000 13.01 520,520
2006-08-01 Weber Leo L (Director) Option Ex 40,000 6.70 267,800
2006-05-23 Lanting Arlyn J (Director) Sale 40,000 14.91 596,240
2006-05-08 Deur Garth D (Executive Vice President) Sale 5,800 15.24 88,392
2006-05-01 Lanting Arlyn J (Director) Option Ex 40,000 4.59 183,720
2006-03-29 Carter John W (V.P. Engineering) Sale 17,852 17.23 307,554
2006-03-29 Carter John W (V.P. Engineering) Option Ex 17,852 12.56 224,256
2006-03-28 Weber Leo L (Director) Sale 4,000 17.22 68,864
2006-03-20 Alexejun Dennis E (V.P. Automotive Marketing) Sale 24,000 16.84 404,160
2006-03-20 Alexejun Dennis E (V.P. Automotive Marketing) Option Ex 24,000 10.38 249,000
2006-03-14 Lanting Arlyn J (Director) Sale 40,000 16.93 677,120
2006-03-06 Deur Garth D (Executive Vice President) Option Ex 20,592 11.48 236,334
2005-12-27 Deur Garth D (Executive Vice Presi) Sale 73,040 19.59 1,430,999
2005-12-27 Deur Garth D (Executive Vice Presi) Option Ex 55,040 14.82 815,582
2005-12-13 La Grand Kenneth L (Director) Sale 11,000 18.46 203,037
2005-09-23 Mulder John A (Director) Sale 38,000 17.04 647,368
2005-09-21 Mulder John A (Director) Sale 12,000 17.08 204,959
2005-08-30 La Grand Kenneth L (Director) Sale 34,000 17.12 581,944
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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.