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General | Insiders | Insider Transactions | Monthly Overview | Weekly Overview

Overview of all insider trading transactions in GENTEX CORP. Get notifications about new insider transactions in GENTEX CORP for free.

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Date	Ticker	Company	Owner	Relationship	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
Aug 11 2010	GNTX	GENTEX CORP	BAUER FRED	Chairman of the Boa ...	Buy	M	16.71	180,000	3,007,800	4,646,496	4.5 M to 4.6 M (+4.03 %)
May 14 2010	GNTX	GENTEX CORP	Wallace James H	Director	Option Exercise	A	21.12	6,000	126,720	6,000
May 14 2010	GNTX	GENTEX CORP	SOTOK FREDERICK A	Director	Option Exercise	A	21.12	6,000	126,720	6,000
May 14 2010	GNTX	GENTEX CORP	TSUHA WALLACE K JR	Director	Option Exercise	A	21.12	6,000	126,720	6,000
May 14 2010	GNTX	GENTEX CORP	SOMMA RANDE S	Director	Option Exercise	A	21.12	6,000	126,720	6,000
May 14 2010	GNTX	GENTEX CORP	MULDER JOHN A	Director	Option Exercise	A	21.12	6,000	126,720	6,000
May 14 2010	GNTX	GENTEX CORP	GOODE GARY F	Director	Option Exercise	A	21.12	6,000	126,720	6,000
May 14 2010	GNTX	GENTEX CORP	LANTING ARLYN J	Director	Option Exercise	A	21.12	6,000	126,720	6,000
May 14 2010	GNTX	GENTEX CORP	LA GRAND KENNETH L	Director	Option Exercise	A	21.12	6,000	126,720	6,000
May 12 2010	GNTX	GENTEX CORP	LANTING ARLYN J	Director	Option Exercise	M	15.41	10,000	154,065	0
May 12 2010	GNTX	GENTEX CORP	LANTING ARLYN J	Director	Gift	G	20.58	10,000	205,800	313,250	303.3 K to 313.3 K (+3.30 %)
May 12 2010	GNTX	GENTEX CORP	LANTING ARLYN J	Director	Gift	G	20.58	10,000	205,800	0	10 K to 0 (-100.00 %)
May 12 2010	GNTX	GENTEX CORP	LANTING ARLYN J	Director	Buy	M	15.41	10,000	154,065	10,000	0 to 10 K
May 05 2010	GNTX	GENTEX CORP	MULDER JOHN A	Director	Option Exercise	M	15.93	12,000	191,100	0
May 05 2010	GNTX	GENTEX CORP	MULDER JOHN A	Director	Option Exercise	M	15.05	11,212	168,741	0
May 05 2010	GNTX	GENTEX CORP	MULDER JOHN A	Director	Sell	S	21.95	23,212	509,601	73,308	96.5 K to 73.3 K (-24.05 %)
May 05 2010	GNTX	GENTEX CORP	MULDER JOHN A	Director	Buy	M	15.93	12,000	191,100	96,520	84.5 K to 96.5 K (+14.20 %)
May 05 2010	GNTX	GENTEX CORP	MULDER JOHN A	Director	Buy	M	15.05	11,212	168,741	84,520	73.3 K to 84.5 K (+15.29 %)
May 03 2010	GNTX	GENTEX CORP	SOTOK FREDERICK A	Director	Option Exercise	M	17.71	6,000	106,260	0
May 03 2010	GNTX	GENTEX CORP	SOTOK FREDERICK A	Director	Option Exercise	M	18.04	6,000	108,210	6,000
May 03 2010	GNTX	GENTEX CORP	SOTOK FREDERICK A	Director	Sell	S	22.01	12,000	264,118	13,668	25.7 K to 13.7 K (-46.75 %)
May 03 2010	GNTX	GENTEX CORP	SOTOK FREDERICK A	Director	Buy	M	17.71	6,000	106,260	25,668	19.7 K to 25.7 K (+30.51 %)
May 03 2010	GNTX	GENTEX CORP	SOTOK FREDERICK A	Director	Buy	M	18.04	6,000	108,210	19,668	13.7 K to 19.7 K (+43.90 %)
May 03 2010	GNTX	GENTEX CORP	TSUHA WALLACE K JR	Director	Option Exercise	M	11.09	6,000	66,540	0
May 03 2010	GNTX	GENTEX CORP	TSUHA WALLACE K JR	Director	Sell	S	21.97	6,000	131,839	5,000	11 K to 5 K (-54.55 %)
May 03 2010	GNTX	GENTEX CORP	TSUHA WALLACE K JR	Director	Buy	M	11.09	6,000	66,540	11,000	5 K to 11 K (+120.00 %)
Apr 28 2010	GNTX	GENTEX CORP	LA GRAND KENNETH L	Director	Sell	S	21.98	144,567	3,177,178	64,185	208.8 K to 64.2 K (-69.25 %)
Apr 28 2010	GNTX	GENTEX CORP	LA GRAND KENNETH L	Director	Sell	S	22.06	30,000	661,725	10,500	40.5 K to 10.5 K (-74.07 %)
Apr 28 2010	GNTX	GENTEX CORP	JEN ENOCH C	Senior Vice Preside ...	Option Exercise	M	15.93	27,462	437,470	0
Apr 28 2010	GNTX	GENTEX CORP	JEN ENOCH C	Senior Vice Preside ...	Gift	G	22.04	2,000	44,080	75,018	77 K to 75 K (-2.60 %)
Apr 28 2010	GNTX	GENTEX CORP	JEN ENOCH C	Senior Vice Preside ...	Sell	S	22.01	27,462	604,353	77,018	104.5 K to 77 K (-26.28 %)
Apr 28 2010	GNTX	GENTEX CORP	JEN ENOCH C	Senior Vice Preside ...	Buy	M	15.93	27,462	437,470	104,480	77 K to 104.5 K (+35.66 %)
Apr 28 2010	GNTX	GENTEX CORP	Newton Mark W	VP Purchasing & Adv ...	Option Exercise	M	17.13	4,013	68,743	0
Apr 28 2010	GNTX	GENTEX CORP	Newton Mark W	VP Purchasing & Adv ...	Sell	S	22.20	4,013	89,081	21,200	25.2 K to 21.2 K (-15.92 %)
Apr 28 2010	GNTX	GENTEX CORP	Newton Mark W	VP Purchasing & Adv ...	Buy	M	17.13	4,013	68,743	25,213	21.2 K to 25.2 K (+18.93 %)
Apr 01 2010	GNTX	GENTEX CORP	JEN ENOCH C	Senior Vice Preside ...	Option Exercise	A	19.42	30,400	590,368	30,400
Apr 01 2010	GNTX	GENTEX CORP	JEN ENOCH C	Senior Vice Preside ...	Grant	A	0.00	12,960	0	77,018	64.1 K to 77 K (+20.23 %)
Mar 24 2010	GNTX	GENTEX CORP	LA GRAND KENNETH L	Director	Sell	S	20.80	3,300	68,640	208,752	212.1 K to 208.8 K (-1.56 %)
Mar 24 2010	GNTX	GENTEX CORP	LA GRAND KENNETH L	Director	Sell	S	20.80	23,502	488,877	212,052	235.6 K to 212.1 K (-9.98 %)
Mar 22 2010	GNTX	GENTEX CORP	LA GRAND KENNETH L	Director	Sell	S	20.80	631	13,125	235,554	236.2 K to 235.6 K (-0.27 %)
Mar 10 2010	GNTX	GENTEX CORP	LANTING ARLYN J	Director	Sell	S	20.32	50,000	1,016,005	303,250	353.3 K to 303.3 K (-14.15 %)
Mar 10 2010	GNTX	GENTEX CORP	JEN ENOCH C	Senior Vice Preside ...	Option Exercise	M	14.00	15,000	210,000	10,000
Mar 10 2010	GNTX	GENTEX CORP	JEN ENOCH C	Senior Vice Preside ...	Gift	G	20.61	2,000	41,220	64,058	66.1 K to 64.1 K (-3.03 %)
Mar 10 2010	GNTX	GENTEX CORP	JEN ENOCH C	Senior Vice Preside ...	Sell	S	20.40	8,012	163,409	66,058	74.1 K to 66.1 K (-10.82 %)
Mar 10 2010	GNTX	GENTEX CORP	JEN ENOCH C	Senior Vice Preside ...	Sell	S	20.38	15,000	305,763	74,070	89.1 K to 74.1 K (-16.84 %)
Mar 10 2010	GNTX	GENTEX CORP	JEN ENOCH C	Senior Vice Preside ...	Buy	M	14.00	15,000	210,000	89,070	74.1 K to 89.1 K (+20.25 %)
Mar 09 2010	GNTX	GENTEX CORP	LA GRAND KENNETH L	Director	Sell	S	20.91	26,000	543,660	236,185	262.2 K to 236.2 K (-9.92 %)
Mar 09 2010	GNTX	GENTEX CORP	LA GRAND KENNETH L	Director	Sell	S	20.30	66,000	1,339,800	262,185	328.2 K to 262.2 K (-20.11 %)
Mar 09 2010	GNTX	GENTEX CORP	LA GRAND KENNETH L	Director	Sell	S	20.30	10,000	203,000	40,500	50.5 K to 40.5 K (-19.80 %)
Feb 18 2010	GNTX	GENTEX CORP	BAUER FRED	Chairman of the Boa ...	Sell	S	19.28	127,200	2,452,785	4,466,496	4.6 M to 4.5 M (-2.77 %)
Feb 18 2010	GNTX	GENTEX CORP	BAUER FRED	Chairman of the Boa ...	Sell	S	19.07	372,800	7,110,974	4,593,696	5 M to 4.6 M (-7.51 %)
Feb 16 2010	GNTX	GENTEX CORP	BAUER FRED	Chairman of the Boa ...	Sell	S	18.75	223,715	4,195,216	4,966,496	5.2 M to 5 M (-4.31 %)
Feb 16 2010	GNTX	GENTEX CORP	BAUER FRED	Chairman of the Boa ...	Sell	S	18.77	138,785	2,604,412	5,190,211	5.3 M to 5.2 M (-2.60 %)
Feb 12 2010	GNTX	GENTEX CORP	JEN ENOCH C	Senior Vice Preside ...	Sell	S	18.71	8,002	149,705	74,070	82.1 K to 74.1 K (-9.75 %)
Feb 12 2010	GNTX	GENTEX CORP	MULDER JOHN A	Director	Option Exercise	M	11.09	6,000	66,540	0
Feb 12 2010	GNTX	GENTEX CORP	MULDER JOHN A	Director	Option Exercise	M	14.76	6,000	88,560	0
Feb 12 2010	GNTX	GENTEX CORP	MULDER JOHN A	Director	Sell	S	18.71	12,000	224,572	73,308	85.3 K to 73.3 K (-14.07 %)
Feb 12 2010	GNTX	GENTEX CORP	MULDER JOHN A	Director	Buy	M	11.09	6,000	66,540	85,308	79.3 K to 85.3 K (+7.57 %)
Feb 12 2010	GNTX	GENTEX CORP	MULDER JOHN A	Director	Buy	M	14.76	6,000	88,560	79,308	73.3 K to 79.3 K (+8.18 %)
Feb 11 2010	GNTX	GENTEX CORP	JEN ENOCH C	Senior Vice Preside ...	Option Exercise	M	12.82	7,320	93,842	0
Feb 11 2010	GNTX	GENTEX CORP	JEN ENOCH C	Senior Vice Preside ...	Gift	G	18.69	2,000	37,370	82,072	84.1 K to 82.1 K (-2.38 %)
Feb 11 2010	GNTX	GENTEX CORP	JEN ENOCH C	Senior Vice Preside ...	Sell	S	18.64	6,602	123,065	84,072	90.7 K to 84.1 K (-7.28 %)
Feb 11 2010	GNTX	GENTEX CORP	JEN ENOCH C	Senior Vice Preside ...	Sell	S	18.60	7,320	136,163	90,674	98 K to 90.7 K (-7.47 %)
Feb 11 2010	GNTX	GENTEX CORP	JEN ENOCH C	Senior Vice Preside ...	Buy	M	12.82	7,320	93,842	97,994	90.7 K to 98 K (+8.07 %)
Feb 11 2010	GNTX	GENTEX CORP	BAUER FRED	Chairman of the Boa ...	Sell	S	18.69	77,500	1,448,150	5,328,996	5.4 M to 5.3 M (-1.43 %)
Feb 11 2010	GNTX	GENTEX CORP	BAUER FRED	Chairman of the Boa ...	Sell	S	18.63	60,000	1,117,740	5,406,496	5.5 M to 5.4 M (-1.10 %)
Feb 05 2010	GNTX	GENTEX CORP	Dykman Steven A	VP Finance & Treasu ...	Option Exercise	M	8.30	2,640	21,912	10,560
Feb 05 2010	GNTX	GENTEX CORP	Dykman Steven A	VP Finance & Treasu ...	Sell	S	20.00	2,640	52,800	19,486	22.1 K to 19.5 K (-11.93 %)
Feb 05 2010	GNTX	GENTEX CORP	Dykman Steven A	VP Finance & Treasu ...	Buy	M	8.30	2,640	21,912	22,126	19.5 K to 22.1 K (+13.55 %)
Feb 03 2010	GNTX	GENTEX CORP	SOTOK FREDERICK A	Director	Option Exercise	M	11.09	6,000	66,540	0
Feb 03 2010	GNTX	GENTEX CORP	SOTOK FREDERICK A	Director	Option Exercise	M	14.76	6,000	88,560	0
Feb 03 2010	GNTX	GENTEX CORP	SOTOK FREDERICK A	Director	Option Exercise	M	15.93	12,000	191,100	0
Feb 03 2010	GNTX	GENTEX CORP	SOTOK FREDERICK A	Director	Option Exercise	M	15.95	5,500	87,698	0
Feb 03 2010	GNTX	GENTEX CORP	SOTOK FREDERICK A	Director	Option Exercise	M	13.71	10,000	137,050	0
Feb 03 2010	GNTX	GENTEX CORP	SOTOK FREDERICK A	Director	Sell	S	19.58	39,500	773,382	13,668	53.2 K to 13.7 K (-74.29 %)
Feb 03 2010	GNTX	GENTEX CORP	SOTOK FREDERICK A	Director	Buy	M	11.09	6,000	66,540	53,168	47.2 K to 53.2 K (+12.72 %)
Feb 03 2010	GNTX	GENTEX CORP	SOTOK FREDERICK A	Director	Buy	M	14.76	6,000	88,560	47,168	41.2 K to 47.2 K (+14.57 %)
Feb 03 2010	GNTX	GENTEX CORP	SOTOK FREDERICK A	Director	Buy	M	15.93	12,000	191,100	41,168	29.2 K to 41.2 K (+41.14 %)
Feb 03 2010	GNTX	GENTEX CORP	SOTOK FREDERICK A	Director	Buy	M	15.95	5,500	87,698	29,168	23.7 K to 29.2 K (+23.24 %)
Feb 03 2010	GNTX	GENTEX CORP	SOTOK FREDERICK A	Director	Buy	M	13.71	10,000	137,050	23,668	13.7 K to 23.7 K (+73.16 %)
Dec 31 2009	GNTX	GENTEX CORP	Dykman Steven A	VP Finance & Treasu ...	Option Exercise	A	18.03	13,860	249,896	13,860
Dec 31 2009	GNTX	GENTEX CORP	Dykman Steven A	VP Finance & Treasu ...	Grant	A	0.00	6,000	0	19,486	13.5 K to 19.5 K (+44.49 %)
Dec 23 2009	GNTX	GENTEX CORP	Wallace James H	Director	Grant	A	18.00	1,000	17,996	7,500	6.5 K to 7.5 K (+15.38 %)
Dec 09 2009	GNTX	GENTEX CORP	SOTOK FREDERICK A	Director	Sell	S	17.79	1,500	26,691	13,668	15.2 K to 13.7 K (-9.89 %)
Nov 09 2009	GNTX	GENTEX CORP	MULDER JOHN A	Director	Gift	G	16.70	30,000	501,000	30,000	0 to 30 K
Nov 09 2009	GNTX	GENTEX CORP	MULDER JOHN A	Director	Gift	G	16.70	30,000	501,000	73,308	103.3 K to 73.3 K (-29.04 %)
Dec 09 2009	GNTX	GENTEX CORP	Dykman Steven A	VP Finance & Treasu ...	Option Exercise	M	17.71	17,860	316,211	0
Dec 09 2009	GNTX	GENTEX CORP	Dykman Steven A	VP Finance & Treasu ...	Sell	S	18.20	17,860	325,052	13,486	31.3 K to 13.5 K (-56.98 %)
Dec 09 2009	GNTX	GENTEX CORP	Dykman Steven A	VP Finance & Treasu ...	Buy	M	17.71	17,860	316,211	31,346	13.5 K to 31.3 K (+132.43 %)
Sep 30 2009	GNTX	GENTEX CORP	Newton Mark W	VP Purchasing & Adv ...	Option Exercise	A	14.25	13,920	198,360	13,920
Sep 30 2009	GNTX	GENTEX CORP	Newton Mark W	VP Purchasing & Adv ...	Grant	A	0.00	10,200	0	21,200	11 K to 21.2 K (+92.73 %)
Aug 19 2009	GNTX	GENTEX CORP	BAUER FRED	Chairman of the Boa ...	Option Exercise	A	14.50	114,000	1,653,000	114,000
Jun 23 2009	GNTX	GENTEX CORP	Wallace James H	Director	Grant	A	10.98	1,000	10,979	6,500	5.5 K to 6.5 K (+18.18 %)
Jun 12 2009	GNTX	GENTEX CORP	MULDER JOHN A	Director	Sell	S	13.55	3,000	40,650	103,308	106.3 K to 103.3 K (-2.82 %)
May 15 2009	GNTX	GENTEX CORP	Wallace James H	Director	Option Exercise	A	11.09	6,000	66,540	6,000
May 15 2009	GNTX	GENTEX CORP	TSUHA WALLACE K JR	Director	Option Exercise	A	11.09	6,000	66,540	6,000
May 15 2009	GNTX	GENTEX CORP	SOTOK FREDERICK A	Director	Option Exercise	A	11.09	6,000	66,540	6,000
May 15 2009	GNTX	GENTEX CORP	SOMMA RANDE S	Director	Option Exercise	A	11.09	6,000	66,540	6,000
May 15 2009	GNTX	GENTEX CORP	MULDER JOHN A	Director	Option Exercise	A	11.09	6,000	66,540	6,000
May 15 2009	GNTX	GENTEX CORP	LANTING ARLYN J	Director	Option Exercise	A	11.09	6,000	66,540	6,000
May 15 2009	GNTX	GENTEX CORP	LA GRAND KENNETH L	Director	Option Exercise	A	11.09	6,000	66,540	6,000
May 15 2009	GNTX	GENTEX CORP	GOODE GARY F	Director	Option Exercise	A	11.09	6,000	66,540	6,000
Apr 01 2009	GNTX	GENTEX CORP	JEN ENOCH C	Senior Vice Preside ...	Option Exercise	A	9.96	28,950	288,342	28,950
Mar 04 2009	GNTX	GENTEX CORP	Wallace James H	Director	Grant	A	7.71	1,500	11,565	5,500	4 K to 5.5 K (+37.50 %)
Nov 21 2008	GNTX	GENTEX CORP	BAUER FRED	Chairman of the Boa ...	Grant	A	7.01	15,000	105,150	5,466,496	5.5 M to 5.5 M (+0.28 %)
Dec 24 2008	GNTX	GENTEX CORP	Dykman Steven A	VP Finance & Treasu ...	Option Exercise	A	8.30	13,200	109,560	13,200
Nov 13 2008	GNTX	GENTEX CORP	TSUHA WALLACE K JR	Director	Grant	A	8.00	1,000	8,000	5,000	4 K to 5 K (+25.00 %)
Nov 13 2008	GNTX	GENTEX CORP	TSUHA WALLACE K JR	Director	Grant	A	9.00	1,000	9,000	4,000	3 K to 4 K (+33.33 %)
Nov 07 2008	GNTX	GENTEX CORP	Wallace James H	Director	Grant	A	9.09	1,900	17,267	4,000	2.1 K to 4 K (+90.48 %)
Oct 29 2008	GNTX	GENTEX CORP	Newton Mark W	VP Purchasing & Adv ...	Grant	A	8.73	3,000	26,190	11,000	8 K to 11 K (+37.50 %)
Oct 02 2008	GNTX	GENTEX CORP	Newton Mark W	VP Purchasing & Adv ...	Option Exercise	A	14.30	11,520	164,736	11,520
Oct 02 2008	GNTX	GENTEX CORP	ALEXEJUN DENNIS E	V.P. Automotive Mar ...	Option Exercise	A	14.30	19,690	281,567	19,690
Aug 15 2008	GNTX	GENTEX CORP	BAUER FRED	Chairman of the Boa ...	Option Exercise	A	16.10	108,000	1,738,800	108,000
Aug 15 2008	GNTX	GENTEX CORP	BAUER FRED	Chairman of the Boa ...	Option Exercise	M	14.51	160,000	2,320,800	0
Aug 15 2008	GNTX	GENTEX CORP	BAUER FRED	Chairman of the Boa ...	Buy	M	14.51	160,000	2,320,800	5,451,496	5.3 M to 5.5 M (+3.02 %)
Aug 13 2008	GNTX	GENTEX CORP	MULDER JOHN A	Director	Sell	S	16.19	10,000	161,900	106,308	116.3 K to 106.3 K (-8.60 %)
May 16 2008	GNTX	GENTEX CORP	Wallace James H	Director	Option Exercise	A	19.34	6,000	116,040	6,000
Jun 18 2008	GNTX	GENTEX CORP	Wallace James H	Director	Grant	A	16.29	1,000	16,288	2,100	1.1 K to 2.1 K (+90.91 %)
May 16 2008	GNTX	GENTEX CORP	TSUHA WALLACE K JR	Director	Option Exercise	A	19.34	6,000	116,040	6,000
May 16 2008	GNTX	GENTEX CORP	SOTOK FREDERICK A	Director	Option Exercise	A	19.34	6,000	116,040	6,000
May 16 2008	GNTX	GENTEX CORP	SOMMA RANDE S	Director	Option Exercise	A	19.34	6,000	116,040	6,000
May 16 2008	GNTX	GENTEX CORP	MULDER JOHN A	Director	Option Exercise	A	19.34	6,000	116,040	6,000
May 16 2008	GNTX	GENTEX CORP	LANTING ARLYN J	Director	Option Exercise	A	19.34	6,000	116,040	6,000
May 06 2008	GNTX	GENTEX CORP	LANTING ARLYN J	Director	Option Exercise	M	8.73	20,000	174,688	0
May 06 2008	GNTX	GENTEX CORP	LANTING ARLYN J	Director	Gift	G	18.41	20,000	368,200	353,250	333.3 K to 353.3 K (+6.00 %)
May 06 2008	GNTX	GENTEX CORP	LANTING ARLYN J	Director	Gift	G	18.41	20,000	368,200	0	20 K to 0 (-100.00 %)
May 06 2008	GNTX	GENTEX CORP	LANTING ARLYN J	Director	Buy	M	8.73	20,000	174,688	20,000	0 to 20 K
May 16 2008	GNTX	GENTEX CORP	LA GRAND KENNETH L	Director	Option Exercise	A	19.34	6,000	116,040	6,000
May 16 2008	GNTX	GENTEX CORP	GOODE GARY F	Director	Option Exercise	A	19.34	6,000	116,040	6,000
May 05 2008	GNTX	GENTEX CORP	MULDER JOHN A	Director	Sell	S	19.06	4,000	76,224	116,308	120.3 K to 116.3 K (-3.32 %)
May 05 2008	GNTX	GENTEX CORP	MULDER JOHN A	Director	Gift	G	15.71	10,000	157,050	120,308	130.3 K to 120.3 K (-7.67 %)
Apr 01 2008	GNTX	GENTEX CORP	JEN ENOCH C	Senior Vice Preside ...	Option Exercise	A	17.00	27,570	468,690	27,570
Feb 04 2008	GNTX	GENTEX CORP	LANTING ARLYN J	Director	Gift	G	15.91	333,250	5,302,008	333,250	0 to 333.3 K
Feb 04 2008	GNTX	GENTEX CORP	LANTING ARLYN J	Director	Gift	G	15.91	333,250	5,302,008	0	333.3 K to 0 (-100.00 %)
Mar 03 2008	GNTX	GENTEX CORP	SOMMA RANDE S	Director	Grant	A	16.27	3,000	48,810	6,013	3 K to 6 K (+99.57 %)
Dec 28 2007	GNTX	GENTEX CORP	Dykman Steven A	VP Finance & Treasu ...	Option Exercise	A	18.12	12,600	228,312	12,600
Oct 30 2007	GNTX	GENTEX CORP	JEN ENOCH C	Senior Vice Preside ...	Option Exercise	M	12.82	29,280	375,370	7,320
Oct 30 2007	GNTX	GENTEX CORP	JEN ENOCH C	Senior Vice Preside ...	Sell	S	21.39	29,280	626,299	98,774	128.1 K to 98.8 K (-22.87 %)
Oct 30 2007	GNTX	GENTEX CORP	JEN ENOCH C	Senior Vice Preside ...	Buy	M	12.82	29,280	375,370	128,054	98.8 K to 128.1 K (+29.64 %)
Dec 28 2007	GNTX	GENTEX CORP	LANTING ARLYN J	Director	Buy	J	0.00	81,250	0	333,250	252 K to 333.3 K (+32.24 %)
Sep 26 2007	GNTX	GENTEX CORP	ALEXEJUN DENNIS E	V.P. Automotive Mar ...	Option Exercise	A	19.59	18,930	370,839	18,930
Sep 26 2007	GNTX	GENTEX CORP	ALEXEJUN DENNIS E	V.P. Automotive Mar ...	Grant	A	0.00	6,600	0	28,240	21.6 K to 28.2 K (+30.50 %)
Aug 13 2007	GNTX	GENTEX CORP	BAUER FRED	Chairman of the Boa ...	Option Exercise	A	21.17	103,000	2,180,510	103,000
Aug 07 2007	GNTX	GENTEX CORP	Wallace James H	Director	Grant	A	19.76	200	3,952	1,100	900 to 1.1 K (+22.22 %)
Aug 07 2007	GNTX	GENTEX CORP	Wallace James H	Director	Grant	A	19.85	900	17,865	900	0 to 900
Jul 31 2007	GNTX	GENTEX CORP	BAUER FRED	Chairman of the Boa ...	Option Exercise	M	13.13	144,000	1,890,000	0
Jul 31 2007	GNTX	GENTEX CORP	BAUER FRED	Chairman of the Boa ...	Buy	M	13.13	144,000	1,890,000	5,291,496	5.1 M to 5.3 M (+2.80 %)
Jul 27 2007	GNTX	GENTEX CORP	JEN ENOCH C	Senior Vice Preside ...	Option Exercise	M	12.50	6,602	82,525	0
Jul 27 2007	GNTX	GENTEX CORP	JEN ENOCH C	Senior Vice Preside ...	Buy	M	12.50	6,602	82,525	98,774	92.2 K to 98.8 K (+7.16 %)
Jul 26 2007	GNTX	GENTEX CORP	CARTER JOHN W	V.P. Engineering	Option Exercise	M	14.00	3,574	50,036	14,296

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