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Insider Trading: Gentex Corp
Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Gentex Corp in the last 24 months are illustrated in figures 1 and 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 $0.
The total value of stock sales is $22,881,727.
The total value of stock exercises is $12,183,455.
1 year stock price chart,
1 day stock price chart
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Figure 1. Monthly insider transaction values at Gentex Corp (GNTX) in the past 24 months.
The trade values of insider stock buys, sales, and option exercises are in logarithmic scale
as shown on the right axis labels.
The detailed monthly and daily insider transactions are listed in the 2 tables below.
09 10 11 12 01 2007 02 03 04 05 06 07 08 09 10 11 12 01 2008 02 03 04 05 06 07 08 -
Figure 2. Average prices of insider buys, sales, and option exercises at Gentex Corp (GNTX) in the past 24 months. See table 2 for insider transaction details.
09 10 11 12 01 2007 02 03 04 05 06 07 08 09 10 11 12 01 2008 02 03 04 05 06 07 08 -
Table 1. Monthly summaries of insider stock purchases, sales, and option exercises
for Gentex Corp (GNTX).
Trading Period
year-month |
Insider Buying
Shares Value ($) |
Insider Sales
Shares Value ($) |
Option Exercises
Shares Value ($) |
| 2008-08 | 0 | 0 | 10,000 | 161,900 | 160,000 | 2,320,800 |
| 2008-05 | 0 | 0 | 4,000 | 76,224 | 20,000 | 174,688 |
| 2007-10 | 0 | 0 | 29,280 | 626,299 | 29,280 | 375,369 |
| 2007-07 | 0 | 0 | 13,625 | 287,442 | 160,352 | 2,115,484 |
| 2007-06 | 0 | 0 | 119,331 | 2,367,211 | 107,706 | 1,777,437 |
| 2007-05 | 0 | 0 | 79,870 | 1,488,235 | 65,870 | 865,226 |
| 2007-04 | 0 | 0 | 61,520 | 1,104,680 | 61,520 | 728,301 |
| 2007-02 | 0 | 0 | 591,304 | 10,415,267 | 0 | 0 |
| 2007-01 | 0 | 0 | 15,642 | 268,416 | 15,642 | 201,883 |
| 2006-12 | 0 | 0 | 10,000 | 160,467 | 0 | 0 |
| 2006-09 | 0 | 0 | 5,800 | 86,447 | 0 | 0 |
| 2006-08 | 0 | 0 | 47,064 | 628,468 | 177,064 | 1,797,167 |
| 2006-05 | 0 | 0 | 45,800 | 684,644 | 40,000 | 183,752 |
| 2006-03 | 0 | 0 | 85,852 | 1,457,720 | 72,740 | 827,766 |
| 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
for Gentex Corp (GNTX)
| Trade Date |
Insider Name |
Trade Type |
Shares |
Price ($) |
Value ($) |
| 2008-08-14 | Bauer Fred (Chairman of the Board & CEO) | Option Exercise | 160,000 | 14.50 | 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 Exercise | 20,000 | 8.73 | 174,688 |
| 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 Exercise | 29,280 | 12.82 | 375,369 |
| 2007-07-30 | Bauer Fred (Chairman of the Board & CEO) | Option Exercise | 144,000 | 13.12 | 1,890,000 |
| 2007-07-26 | Jen Enoch C (Senior Vice President) | Option Exercise | 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 Exercise | 9,750 | 14.66 | 142,959 |
| 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 Exercise | 5,880 | 13.74 | 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 Exercise | 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 Exercise | 26,836 | 14.75 | 395,831 |
| 2007-06-19 | Alexejun Dennis E (V.P. Automotive Marketing) | Sale | 66,900 | 19.73 | 1,319,990 |
| 2007-06-19 | Alexejun Dennis E (V.P. Automotive Marketing) | Option Exercise | 66,900 | 17.49 | 1,170,192 |
| 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 Exercise | 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 Exercise | 10,000 | 4.66 | 46,563 |
| 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 Exercise | 23,712 | 14.28 | 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 Exercise | 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 Exercise | 5,540 | 11.80 | 65,344 |
| 2007-04-30 | Lanting Arlyn J (Director) | Option Exercise | 10,000 | 4.66 | 46,563 |
| 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 Exercise | 51,520 | 13.23 | 681,738 |
| 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 | 17.47 | 785,938 |
| 2007-02-15 | Bauer Fred (Chairman of the Board & CEO) | Sale | 107,200 | 17.46 | 1,871,540 |
| 2007-02-14 | Carter John W (V.P. Engineering) | Sale | 27,988 | 17.53 | 490,565 |
| 2007-02-14 | Bauer Fred (Chairman of the Board & CEO) | Sale | 5,863 | 17.59 | 103,121 |
| 2007-02-09 | Bauer Fred (Chairman of the Board & CEO) | Sale | 127,500 | 17.79 | 2,268,416 |
| 2007-02-08 | Bauer Fred (Chairman of the Board & CEO) | Sale | 233,000 | 17.67 | 4,116,108 |
| 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 Exercise | 15,642 | 12.91 | 201,883 |
| 2006-12-27 | Mulder John A (Director) | Sale | 10,000 | 16.05 | 160,467 |
| 2006-09-13 | Deur Garth D (Other) | Sale | 5,800 | 14.90 | 86,447 |
| 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 Exercise | 7,064 | 13.48 | 95,258 |
| 2006-08-07 | Bauer Fred (Chairman of the Board & CEO) | Option Exercise | 130,000 | 11.03 | 1,434,095 |
| 2006-08-01 | Weber Leo L (Director) | Sale | 40,000 | 13.01 | 520,531 |
| 2006-08-01 | Weber Leo L (Director) | Option Exercise | 40,000 | 6.70 | 267,814 |
| 2006-05-23 | Lanting Arlyn J (Director) | Sale | 40,000 | 14.91 | 596,252 |
| 2006-05-08 | Deur Garth D (Executive Vice President) | Sale | 5,800 | 15.24 | 88,392 |
| 2006-05-01 | Lanting Arlyn J (Director) | Option Exercise | 40,000 | 4.59 | 183,752 |
| 2006-03-29 | Carter John W (V.P. Engineering) | Sale | 17,852 | 17.23 | 307,564 |
| 2006-03-29 | Carter John W (V.P. Engineering) | Option Exercise | 17,852 | 12.56 | 224,265 |
| 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 Exercise | 24,000 | 10.38 | 249,000 |
| 2006-03-14 | Lanting Arlyn J (Director) | Sale | 40,000 | 16.93 | 677,132 |
| 2006-03-06 | Deur Garth D (Executive Vice President) | Option Exercise | 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 Exercise | 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 |
Insider trading activities including stock purchases, stock sales, and option exercises
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.
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