United States Automobiles & Auto Parts

Gentex Corp (GNTX)

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Over the last 90 days, Gentex Corp. has seen significant insider selling, with a net value of -$904,382. Notable transactions include multiple large sell-offs by executives and directors in February and May. No insider purchases were recorded during this period. The company's stock has shown a 13.9% increase over the past 90 days.
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Ticker: GNTX Exchange: NSM
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
WALKER BRIAN C
2 sales — total 272,899 USD
Sale 15 May 2026
Value US$1,131,657.32 | Price 480.11 | Shares 56,624
Sale 15 May 2026
Value US$4,090,731.69 | Price 337.79 | Shares 54,909
Sale 15 May 2026
Value US$4,352,123.31 | Price 77.19 | Shares 34,208
Sale 15 May 2026
Value US$4,662,592.86 | Price 360.10 | Shares 67,953
Proposed sale 5 May 2026
Value US$246,340.67 | Price 22.85 | Shares 10,782
Sale 5 May 2026
Value US$246,336.35 | Price 22.85 | Shares 10,782
Proposed sale 30 Apr 2026
Value US$112,249.21 | Price 23.31 | Shares 4,815
Sale 30 Apr 2026
Value US$112,247.28 | Price 23.31 | Shares 4,815
Sale 17 Feb 2026
Value US$46,468.05 | Price 24.73 | Shares 1,879
Sale 17 Feb 2026
Value US$176,697.28 | Price 24.73 | Shares 7,145
Sale 17 Feb 2026
Value US$57,880.24 | Price 24.82 | Shares 2,332
Sale 17 Feb 2026
Value US$221,295.12 | Price 24.82 | Shares 8,916
Sale 17 Feb 2026
Value US$139,070.27 | Price 24.98 | Shares 5,568
Sale 17 Feb 2026
Value US$157,777.81 | Price 24.98 | Shares 6,317
Sale 17 Feb 2026
Value US$866,099.50 | Price 24.75 | Shares 35,000
Sale 17 Feb 2026
Value US$103,153.05 | Price 25.03 | Shares 4,122
Sale 17 Feb 2026
Value US$393,017.62 | Price 25.03 | Shares 15,705
Proposed sale 17 Feb 2026
Value US$866,099.50 | Price 24.75 | Shares 35,000
Proposed sale 17 Feb 2026
Value US$496,170.68 | Price 25.03 | Shares 19,827
Proposed sale 17 Feb 2026
Value US$296,848.08 | Price 24.98 | Shares 11,885
Proposed sale 17 Feb 2026
Value US$223,165.32 | Price 24.73 | Shares 9,024
Proposed sale 17 Feb 2026
Value US$279,175.36 | Price 24.82 | Shares 11,248
Sale 16 May 2025
Value US$86,076.28 | Price 22.87 | Shares 3,764
Sale 20 May 2024
Value US$162,502.98 | Price 34.46 | Shares 4,716
Sale 20 May 2024
Value US$162,502.98 | Price 34.46 | Shares 4,716
Sale 20 Feb 2024
Value US$437,450.00 | Price 35.00 | Shares 12,500
Sale 20 Feb 2024
Value US$446,087.25 | Price 33.04 | Shares 13,500
Proposed sale 20 Feb 2024
Value US$473,085.90 | Price 35.04 | Shares 13,500
Proposed sale 20 Feb 2024
Value US$437,448.75 | Price 35.00 | Shares 12,500
Proposed sale 9 Feb 2024
Value US$245,138.60 | Price 35.02 | Shares 7,000
Sale 9 Feb 2024
Value US$245,138.60 | Price 35.02 | Shares 7,000
Sale 2 Feb 2024
Value US$238,792.40 | Price 34.11 | Shares 7,000
Proposed sale 2 Feb 2024
Value US$238,792.40 | Price 34.11 | Shares 7,000
Sale 1 Feb 2024
Value US$204,333.69 | Price 33.93 | Shares 6,022
Proposed sale 1 Feb 2024
Value US$204,333.69 | Price 33.93 | Shares 6,022
Sale 31 Jul 2023
Value US$148,043.31 | Price 33.52 | Shares 4,416
Proposed sale 31 Jul 2023
Value US$145,242.24 | Price 32.89 | Shares 4,416
Sale 31 Jul 2023
Value US$147,094.16 | Price 33.20 | Shares 4,430
Proposed sale 31 Jul 2023
Value US$147,094.16 | Price 33.20 | Shares 4,430
Sale 19 May 2023
Value US$124,837.23 | Price 28.27 | Shares 4,416
Proposed sale 19 May 2023
Value US$124,266.24 | Price 28.14 | Shares 4,416
Sale 19 May 2023
Value US$124,837.23 | Price 28.27 | Shares 4,416
Proposed sale 19 May 2023
Value US$124,266.24 | Price 28.14 | Shares 4,416
Sale 1 May 2023
Value US$151,263.97 | Price 27.89 | Shares 5,424
Proposed sale 1 May 2023
Value US$151,263.97 | Price 27.89 | Shares 5,424
Sale 6 Mar 2023
Value US$35,285.22 | Price 28.41 | Shares 1,242
Planned sale 21 Feb 2023
Value US$122,362.47 | Price 28.29 | Shares 4,325
Planned sale 21 Feb 2023
Value US$157,585.88 | Price 28.29 | Shares 5,570
Planned sale 2 Feb 2023
Value US$535,587.84 | Price 30.21 | Shares 17,730
Planned sale 1 Feb 2023
Value US$199,372.28 | Price 29.42 | Shares 6,776
Planned sale 4 Jan 2023
Value US$128,240.00 | Price 28.00 | Shares 4,580
Sale 31 Oct 2022
Value US$364,547.40 | Price 26.04 | Shares 14,000
Planned buy 31 Oct 2022
Value US$257,400.00 | Price 25.74 | Shares 10,000
Sale 20 May 2022
Value US$85,838.49 | Price 30.17 | Shares 2,845
Planned sale 31 Mar 2022
Value US$166,667.43 | Price 29.24 | Shares 5,700
Planned sale 31 Mar 2022
Value US$131,579.55 | Price 29.24 | Shares 4,500
Planned sale 22 Feb 2022
Value US$310,546.63 | Price 30.36 | Shares 10,228
Planned sale 22 Feb 2022
Value US$175,039.24 | Price 30.36 | Shares 5,765
Planned sale 22 Feb 2022
Value US$267,098.03 | Price 30.36 | Shares 8,797
Planned sale 22 Feb 2022
Value US$150,536.78 | Price 30.36 | Shares 4,958
Planned sale 22 Feb 2022
Value US$1,144,389.22 | Price 30.36 | Shares 37,691
Planned sale 22 Feb 2022
Value US$645,079.55 | Price 30.36 | Shares 21,246
Planned sale 22 Feb 2022
Value US$289,930.56 | Price 30.36 | Shares 9,549
Planned sale 22 Feb 2022
Value US$163,410.44 | Price 30.36 | Shares 5,382
Planned sale 22 Feb 2022
Value US$305,202.84 | Price 30.36 | Shares 10,052
Planned sale 22 Feb 2022
Value US$172,033.36 | Price 30.36 | Shares 5,666
Planned sale 16 Feb 2022
Value US$113,695.96 | Price 31.32 | Shares 3,630
Planned sale 16 Feb 2022
Value US$236,788.27 | Price 31.32 | Shares 7,560
Planned sale 16 Feb 2022
Value US$57,004.58 | Price 31.32 | Shares 1,820
Planned sale 15 Feb 2022
Value US$251,985.60 | Price 31.50 | Shares 8,000
Planned sale 15 Feb 2022
Value US$976,444.20 | Price 31.50 | Shares 31,000
Planned sale 15 Feb 2022
Value US$251,985.60 | Price 31.50 | Shares 8,000
Planned sale 15 Feb 2022
Value US$251,985.60 | Price 31.50 | Shares 8,000
Planned sale 15 Feb 2022
Value US$251,985.60 | Price 31.50 | Shares 8,000
Sale 3 Nov 2021
Value US$253,642.90 | Price 36.23 | Shares 7,000
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-05-15 2026-05-15 S Sale
1.7
WALKER BRIAN C
Non-Executive Director
56,624 -37.5%
480.11
US$1,131,657 		56,624 -37.5% 480.11 US$1,131,657
2026-05-15 2026-05-15 S Sale
1.7
WALKER BRIAN C
Non-Executive Director
54,909 -21.2%
337.79
US$4,090,732 		54,909 -21.2% 337.79 US$4,090,732
2026-05-15 2026-05-15 S Sale
3.4
ANDERSON JOSEPH B JR
Non-Executive Director
34,208 -12.5%
77.19
US$4,352,123 		34,208 -12.5% 77.19 US$4,352,123
2026-05-15 2026-05-15 S Sale
3.4
ANDERSON JOSEPH B JR
Non-Executive Director
5,939 -100.0%
22.98
US$136,450 		5,939 -100.0% 22.98 US$136,450
2026-05-05 2026-05-05 PrS Proposed sale
LESLIE BROWN

Director

Non-Executive Director
10,782
22.85
US$246,341 		10,782 22.85 US$246,341
2026-05-05 2026-05-05 S Sale
BROWN LESLIE L
Non-Executive Director
10,782 -22.9%
22.85
US$246,336 		10,782 -22.9% 22.85 US$246,336
2026-04-30 2026-04-30 PrS Proposed sale
2.7
RICHARD SCHAUM

Director

Non-Executive Director
4,815
23.31
US$112,249 		4,815 23.31 US$112,249
2026-04-30 2026-04-30 S Sale
2.7
Schaum Richard O
Non-Executive Director
4,815 -5.6%
23.31
US$112,247 		4,815 -5.6% 23.31 US$112,247
2026-02-19 2026-02-17 S Sale
3.5
Ryan Scott P

General Counsel

Officer
1,879 -4.1%
24.73
US$46,468 		1,879 -4.1% 24.73 US$46,468
2026-02-19 2026-02-17 S Sale
3.5
Ryan Scott P

General Counsel

Officer
7,145 -13.4%
24.73
US$176,697 		7,145 -13.4% 24.73 US$176,697
2026-02-19 2026-02-17 S Sale
2.8
Boehm Neil

Chief Technology Officer

Officer
2,332 -3.8%
24.82
US$57,880 		2,332 -3.8% 24.82 US$57,880
2026-02-19 2026-02-17 S Sale
2.8
Boehm Neil

Chief Technology Officer

Officer
8,916 -12.1%
24.82
US$221,295 		8,916 -12.1% 24.82 US$221,295
2026-02-19 2026-02-17 S Sale
2.9
Nash Kevin C

Chief Financial Officer

Officer
5,568 -8.6%
24.98
US$139,070 		5,568 -8.6% 24.98 US$139,070
2026-02-19 2026-02-17 S Sale
2.9
Nash Kevin C

Chief Financial Officer

Officer
6,317 -8.9%
24.98
US$157,778 		6,317 -8.9% 24.98 US$157,778
2026-02-19 2026-02-17 S Sale
2.2
Downing Steven R

President and CEO

Officer
35,000 -14.2%
24.75
US$866,100 		35,000 -14.2% 24.75 US$866,100
2026-02-19 2026-02-17 S Sale
2.6
Chiodo Matthew

Vice President of Sales

Officer
4,122 -10.5%
25.03
US$103,153 		4,122 -10.5% 25.03 US$103,153
2026-02-19 2026-02-17 S Sale
2.6
Chiodo Matthew

Vice President of Sales

Officer
15,705 -28.6%
25.03
US$393,018 		15,705 -28.6% 25.03 US$393,018
2026-02-17 2026-02-17 PrS Proposed sale
2.2
STEVEN RAY DOWNING

Officer

Officer
35,000
24.75
US$866,100 		35,000 24.75 US$866,100
2026-02-17 2026-02-17 PrS Proposed sale
2.6
MATTHEW WILLIAM CHIODO

Officer

Officer
19,827
25.03
US$496,171 		19,827 25.03 US$496,171
2026-02-17 2026-02-17 PrS Proposed sale
2.9
KEVIN C NASH

Officer

Officer
11,885
24.98
US$296,848 		11,885 24.98 US$296,848
2026-02-17 2026-02-17 PrS Proposed sale
3.5
SCOTT RYAN

Officer

Officer
9,024
24.73
US$223,165 		9,024 24.73 US$223,165
2026-02-17 2026-02-17 PrS Proposed sale
2.8
NEIL J BOEHM

Officer

Officer
11,248
24.82
US$279,175 		11,248 24.82 US$279,175
2025-05-19 2025-05-16 S Sale
3.4
ANDERSON JOSEPH B JR
Non-Executive Director
3,764 -38.8%
22.87
US$86,076 		3,764 -38.8% 22.87 US$86,076
2024-05-21 2024-05-20 S Sale
3.2
GOODE GARY F
Non-Executive Director
4,716 -16.2%
34.46
US$162,503 		4,716 -16.2% 34.46 US$162,503
2024-05-21 2024-05-20 S Sale
3.4
ANDERSON JOSEPH B JR
Non-Executive Director
4,716 -55.6%
34.46
US$162,503 		4,716 -55.6% 34.46 US$162,503
2024-02-21 2024-02-20 S Sale
3.5
Ryan Scott P

General Counsel

Officer
12,500 -30.2%
35.00
US$437,450 		12,500 -30.2% 35.00 US$437,450
2024-02-21 2024-02-20 S Sale
2.9
Nash Kevin C

Chief Financial Officer

Officer
13,500 -23.3%
33.04
US$446,087 		13,500 -23.3% 33.04 US$446,087
2024-02-20 2024-02-20 PrS Proposed sale
2.9
KEVIN C. NASH

Officer

Officer
13,500
35.04
US$473,086 		13,500 35.04 US$473,086
2024-02-20 2024-02-20 PrS Proposed sale
3.5
SCOTT PATRICK RYAN

Officer

Officer
12,500
35.00
US$437,449 		12,500 35.00 US$437,449
2024-02-09 2024-02-09 PrS Proposed sale
3.2
GARY GOODE

Director

Non-Executive Director
7,000
35.02
US$245,139 		7,000 35.02 US$245,139
2024-02-09 2024-02-09 S Sale
3.2
GOODE GARY F
Non-Executive Director
7,000 -19.3%
35.02
US$245,139 		7,000 -19.3% 35.02 US$245,139
2024-02-05 2024-02-02 S Sale
3.2
GOODE GARY F
Non-Executive Director
7,000 -19.3%
34.11
US$238,792 		7,000 -19.3% 34.11 US$238,792
2024-02-02 2024-02-02 PrS Proposed sale
3.2
GARY GOODE

Director

Non-Executive Director
7,000
34.11
US$238,792 		7,000 34.11 US$238,792
2024-02-02 2024-02-01 S Sale
2.7
Schaum Richard O
Non-Executive Director
6,022 -8.8%
33.93
US$204,334 		6,022 -8.8% 33.93 US$204,334
2024-02-01 2024-02-01 PrS Proposed sale
2.7
RICHARD O. SCHAUM

Director

Non-Executive Director
6,022
33.93
US$204,334 		6,022 33.93 US$204,334
2023-08-03 2023-07-31 S Sale
3.4
ANDERSON JOSEPH B JR
Non-Executive Director
4,416 -48.4%
33.52
US$148,043 		4,416 -48.4% 33.52 US$148,043
2023-08-01 2023-07-31 S Sale
3.1
Starkoff Kathleen
Non-Executive Director
4,430 -17.1%
33.20
US$147,094 		4,430 -17.1% 33.20 US$147,094
2023-07-31 2023-07-31 PrS Proposed sale
3.1
Kathleen Starkoff

Director

Non-Executive Director
4,430
33.20
US$147,094 		4,430 33.20 US$147,094
2023-07-31 2023-07-31 PrS Proposed sale
3.4
ANDERSON JOSEPH B JR

Director

Non-Executive Director
4,416
32.89
US$145,242 		4,416 32.89 US$145,242
2023-05-22 2023-05-19 S Sale
2.3
Hollars James A
Non-Executive Director
4,416 -10.9%
28.27
US$124,837 		4,416 -10.9% 28.27 US$124,837
2023-05-22 2023-05-19 S Sale
3.2
GOODE GARY F
Non-Executive Director
4,416 -13.1%
28.27
US$124,837 		4,416 -13.1% 28.27 US$124,837
2023-05-19 2023-05-19 PrS Proposed sale
2.3
Hollars James A

Director

Non-Executive Director
4,416
28.14
US$124,266 		4,416 28.14 US$124,266
2023-05-19 2023-05-19 PrS Proposed sale
3.2
GOODE GARY F

Director

Non-Executive Director
4,416
28.14
US$124,266 		4,416 28.14 US$124,266
2023-05-02 2023-05-01 S Sale
2.7
Schaum Richard O
Non-Executive Director
5,424 -9.8%
27.89
US$151,264 		5,424 -9.8% 27.89 US$151,264
2023-05-01 2023-05-01 PrS Proposed sale
2.7
Schaum Richard O

Director

Non-Executive Director
5,424
27.89
US$151,264 		5,424 27.89 US$151,264
2023-03-07 2023-03-06 S Sale
2.8
Boehm Neil

Chief Technology Officer

Officer
1,242 -3.3%
28.41
US$35,285 		1,242 -3.3% 28.41 US$35,285
2023-02-21 2023-02-21 PlS Planned sale
3.5
Ryan Scott P

General Counsel

Officer
4,325 -17.3%
28.29
US$122,362 		4,325 -17.3% 28.29 US$122,362
2023-02-21 2023-02-21 PlS Planned sale
3.5
Ryan Scott P

General Counsel

Officer
5,570 -18.2%
28.29
US$157,586 		5,570 -18.2% 28.29 US$157,586
2023-02-03 2023-02-02 PlS Planned sale
2.2
Downing Steven R

President and CEO

Officer
17,730 -13.0%
30.21
US$535,588 		17,730 -13.0% 30.21 US$535,588
2023-02-02 2023-02-01 PlS Planned sale
2.9
Nash Kevin C

Chief Financial Officer

Officer
6,776 -23.1%
29.42
US$199,372 		6,776 -23.1% 29.42 US$199,372
2023-01-04 2023-01-04 PlS Planned sale
3.5
Ryan Scott P

General Counsel

Officer
4,580 -20.0%
28.00
US$128,240 		4,580 -20.0% 28.00 US$128,240
2022-11-01 2022-10-31 S Sale
2.8
Wallace James H
Non-Executive Director
14,000 -48.8%
26.04
US$364,547 		14,000 -48.8% 26.04 US$364,547
2022-10-31 2022-10-31 PP Planned purchase
2.2
Downing Steven R

President and CEO

Officer
10,000 +9.2%
25.74
US$257,400 		10,000 +9.2% 25.74 US$257,400
2022-05-23 2022-05-20 S Sale
3.2
GOODE GARY F
Non-Executive Director
2,845 -9.3%
30.17
US$85,838 		2,845 -9.3% 30.17 US$85,838
2022-04-01 2022-03-31 PlS Planned sale
2.6
Chiodo Matthew

Vice President of Sales

Officer
5,700 -20.9%
29.24
US$166,667 		5,700 -20.9% 29.24 US$166,667
2022-04-01 2022-03-31 PlS Planned sale
2.8
Boehm Neil

Chief Technology Officer

Officer
4,500 -14.7%
29.24
US$131,580 		4,500 -14.7% 29.24 US$131,580
2022-02-23 2022-02-22 PlS Planned sale
2.8
Boehm Neil

Chief Technology Officer

Officer
10,228 -25.1%
30.36
US$310,547 		10,228 -25.1% 30.36 US$310,547
2022-02-23 2022-02-22 PlS Planned sale
2.8
Boehm Neil

Chief Technology Officer

Officer
5,765 -15.9%
30.36
US$175,039 		5,765 -15.9% 30.36 US$175,039
2022-02-23 2022-02-22 PlS Planned sale
3.5
Ryan Scott P

General Counsel

Officer
8,797 -33.5%
30.36
US$267,098 		8,797 -33.5% 30.36 US$267,098
2022-02-23 2022-02-22 PlS Planned sale
3.5
Ryan Scott P

General Counsel

Officer
4,958 -22.2%
30.36
US$150,537 		4,958 -22.2% 30.36 US$150,537
2022-02-23 2022-02-22 PlS Planned sale
2.2
Downing Steven R

President and CEO

Officer
37,691 -25.9%
30.36
US$1,144,389 		37,691 -25.9% 30.36 US$1,144,389
2022-02-23 2022-02-22 PlS Planned sale
2.2
Downing Steven R

President and CEO

Officer
21,246 -16.5%
30.36
US$645,080 		21,246 -16.5% 30.36 US$645,080
2022-02-23 2022-02-22 PlS Planned sale
2.6
Chiodo Matthew

Vice President of Sales

Officer
9,549 -26.6%
30.36
US$289,931 		9,549 -26.6% 30.36 US$289,931
2022-02-23 2022-02-22 PlS Planned sale
2.6
Chiodo Matthew

Vice President of Sales

Officer
5,382 -16.9%
30.36
US$163,410 		5,382 -16.9% 30.36 US$163,410
2022-02-23 2022-02-22 PlS Planned sale
2.9
Nash Kevin C

Chief Financial Officer

Officer
10,052 -31.6%
30.36
US$305,203 		10,052 -31.6% 30.36 US$305,203
2022-02-23 2022-02-22 PlS Planned sale
2.9
Nash Kevin C

Chief Financial Officer

Officer
5,666 -20.7%
30.36
US$172,033 		5,666 -20.7% 30.36 US$172,033
2022-02-17 2022-02-16 PlS Planned sale
2.9
Nash Kevin C

Chief Financial Officer

Officer
3,630 -16.0%
31.32
US$113,696 		3,630 -16.0% 31.32 US$113,696
2022-02-17 2022-02-16 PlS Planned sale
2.2
Downing Steven R

President and CEO

Officer
7,560 -7.0%
31.32
US$236,788 		7,560 -7.0% 31.32 US$236,788
2022-02-17 2022-02-16 PlS Planned sale
3.5
Ryan Scott P

General Counsel

Officer
1,820 -9.8%
31.32
US$57,005 		1,820 -9.8% 31.32 US$57,005
2022-02-17 2022-02-15 PlS Planned sale
2.9
Nash Kevin C

Chief Financial Officer

Officer
8,000 -26.1%
31.50
US$251,986 		8,000 -26.1% 31.50 US$251,986
2022-02-17 2022-02-15 PlS Planned sale
2.2
Downing Steven R

President and CEO

Officer
31,000 -22.2%
31.50
US$976,444 		31,000 -22.2% 31.50 US$976,444
2022-02-17 2022-02-15 PlS Planned sale
2.6
Chiodo Matthew

Vice President of Sales

Officer
8,000 -23.8%
31.50
US$251,986 		8,000 -23.8% 31.50 US$251,986
2022-02-17 2022-02-15 PlS Planned sale
3.5
Ryan Scott P

General Counsel

Officer
8,000 -30.0%
31.50
US$251,986 		8,000 -30.0% 31.50 US$251,986
2022-02-17 2022-02-15 PlS Planned sale
2.8
Boehm Neil

Chief Technology Officer

Officer
8,000 -21.5%
31.50
US$251,986 		8,000 -21.5% 31.50 US$251,986
2021-11-03 2021-11-03 S Sale
2.8
Wallace James H
Non-Executive Director
7,000 -19.6%
36.23
US$253,643 		7,000 -19.6% 36.23 US$253,643
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