Nasdaq · CIK 0000355811
GNTX GENTEX CORP
Insider trading from SEC Form 4. Last filing May 22, 2026. Close $21.04 on Oct 9, 2026, +3% from the 52-week low and -20% from the high.
GENTEX CORP (GNTX) has 37 SEC Form 4 filings on file from 14 insiders, the latest filed on May 22, 2026. No insider bought or sold on the open market in the last 90 days; rows filed in that time are grants, exercises, tax withholding and other transactions that carry no view on the price.
10 open-market trades have been scored at GNTX. The newest: Joseph B Anderson Jr (director) sold $136k of stock on May 15, 2026, filed May 15, 2026, scored 61 (notable). The largest of the 10 shown: Steven R Downing (President and CEO) sold $866k on Feb 17, 2026, scored 68 (notable). 3 insiders sold within 14 days of each other around May 15, 2026.
GNTX closed at $21.04 on Oct 9, 2026, 3% above its 52-week low and 20% below its 52-week high.
Last 90 days
Price and insider trades, last year
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
Open-market buys and sells at GENTEX CORP, scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 61Notable | Joseph B Anderson Jr director sell | $136k 5,939 shares | -100% | +11% from low-20% from high | |
| 46Moderate | Brian C Walker director sell | $136k 5,939 shares | -20% | +11% from low-20% from high | |
| 33Weak | Leslie L Brown director sell | $246k 10,782 shares | -23% | +11% from low-20% from high | |
| 18Weak | Richard O Schaum director sell | $112k 4,815 shares | -6% | +12% from low-19% from high | |
| 49Moderate | Neil Boehm Chief Technology Officer sell | $279k 11,248 shares | -15% | +21% from low-15% from high | |
| 58Moderate | Matthew Chiodo Vice President of Sales sell | $496k 19,827 shares | -36% | +21% from low-15% from high | |
| 68Notable | Steven R Downing President and CEO sell | $866k 35,000 shares | -14% | +21% from low-15% from high | |
| 56Moderate | Kevin C Nash Chief Financial Officer sell | $297k 11,885 shares | -17% | +21% from low-15% from high | |
| 47Moderate | Scott P Ryan General Counsel sell | $223k 9,024 shares | -17% | +21% from low-15% from high | |
| 34Weak | Joseph B Anderson Jr director sell | $86k 3,764 shares | -39% | - |
Transactions
The newest 50 of 79 rows filed, every code.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| May 21, 2026 | Billy Pink director | AGrant or award Common Stock | +5,626 | $0.00 | $0 | 15,329 | May 22, 2026 |
| May 21, 2026 | Brian C Walker director | AGrant or award Common Stock | +5,626 | $0.00 | $0 | 29,831 | May 22, 2026 |
| May 21, 2026 | Garth Deur director | AGrant or award Common Stock | +5,626 | $0.00 | $0 | 20,045 | May 22, 2026 |
| May 21, 2026 | John C Kennedy director | AGrant or award Common Stock | +5,626 | $0.00 | $0 | 5,626 | May 22, 2026 |
| May 21, 2026 | Kathleen Starkoff director | AGrant or award Common Stock | +5,626 | $0.00 | $0 | 36,770 | May 22, 2026 |
| May 21, 2026 | Ling Zang director | AGrant or award Common Stock | +5,626 | $0.00 | $0 | 35,599 | May 22, 2026 |
| May 21, 2026 | Richard O Schaum director | AGrant or award Common Stock | +5,626 | $0.00 | $0 | 87,069 | May 22, 2026 |
| May 21, 2026 | Leslie L Brown director | AGrant or award Common Stock | +5,626 | $0.00 | $0 | 41,988 | May 22, 2026 |
| May 15, 2026 | Joseph B Anderson Jr director | SOpen-market sale Common Stock | -5,939 | $22.98 | $136k | 0 | May 15, 2026 |
| May 15, 2026 | Brian C Walker director | SOpen-market sale Common Stock | -5,939 | $22.98 | $136k | 24,205 | May 15, 2026 |
| May 5, 2026 | Leslie L Brown director | MOption exercise Common Stock | +7,000 | $15.74 | $110k | 40,144 | May 5, 2026 |
| May 5, 2026 | Leslie L Brown director | MOption exercise Common Stock | +7,000 | $18.70 | $131k | 47,144 | May 5, 2026 |
| May 5, 2026 | Leslie L Brown director | SOpen-market sale Common Stock | -10,782 | $22.85 | $246k | 36,362 | May 5, 2026 |
| May 5, 2026 | Leslie L Brown director | MOption exercise Non-Employee Director Stock Option Grantderivative | +7,000 | $0.00 | $0 | 14,000 | May 5, 2026 |
| May 5, 2026 | Leslie L Brown director | MOption exercise Non-Employee Director Stock Option Grantderivative | +7,000 | $0.00 | $0 | 7,000 | May 5, 2026 |
| Apr 30, 2026 | Richard O Schaum director | MOption exercise Common Stock | +7,000 | $15.74 | $110k | 86,258 | Apr 30, 2026 |
| Apr 30, 2026 | Richard O Schaum director | SOpen-market sale Common Stock | -4,815 | $23.31 | $112k | 81,443 | Apr 30, 2026 |
| Apr 30, 2026 | Richard O Schaum director | MOption exercise Non-Employee Director Stock Option Planderivative | +7,000 | $0.00 | $0 | 14,000 | Apr 30, 2026 |
| Feb 17, 2026 | Steven R Downing President and CEO | AGrant or award Common Stock | +124,311 | $0.00 | $0 | 315,002 | Feb 19, 2026 |
| Feb 17, 2026 | Scott P Ryan General Counsel | AGrant or award Common Stock | +25,782 | $0.00 | $0 | 67,702 | Feb 19, 2026 |
| Feb 17, 2026 | Kevin C Nash Chief Financial Officer | AGrant or award Common Stock | +38,181 | $0.00 | $0 | 92,485 | Feb 19, 2026 |
| Feb 17, 2026 | Neil Boehm Chief Technology Officer | AGrant or award Common Stock | +31,993 | $0.00 | $0 | 87,967 | Feb 19, 2026 |
| Feb 17, 2026 | Matthew Chiodo Vice President of Sales | AGrant or award Common Stock | +28,269 | $0.00 | $0 | 70,679 | Feb 19, 2026 |
| Feb 17, 2026 | Steven R Downing President and CEO | FTax withholding Common Stock | -54,314 | $24.89 | $1.4M | 260,688 | Feb 19, 2026 |
| Feb 17, 2026 | Kevin C Nash Chief Financial Officer | FTax withholding Common Stock | -16,864 | $24.89 | $420k | 75,621 | Feb 19, 2026 |
| Feb 17, 2026 | Neil Boehm Chief Technology Officer | FTax withholding Common Stock | -14,160 | $24.89 | $352k | 73,807 | Feb 19, 2026 |
| Feb 17, 2026 | Scott P Ryan General Counsel | FTax withholding Common Stock | -11,492 | $24.89 | $286k | 56,210 | Feb 19, 2026 |
| Feb 17, 2026 | Matthew Chiodo Vice President of Sales | FTax withholding Common Stock | -12,564 | $24.89 | $313k | 58,115 | Feb 19, 2026 |
| Feb 17, 2026 | Steven R Downing President and CEO | FTax withholding Common Stock | -14,018 | $24.89 | $349k | 246,670 | Feb 19, 2026 |
| Feb 17, 2026 | Kevin C Nash Chief Financial Officer | FTax withholding Common Stock | -4,306 | $24.89 | $107k | 71,315 | Feb 19, 2026 |
| Feb 17, 2026 | Scott P Ryan General Counsel | FTax withholding Common Stock | -2,907 | $24.89 | $72k | 53,303 | Feb 19, 2026 |
| Feb 17, 2026 | Neil Boehm Chief Technology Officer | SOpen-market sale Common Stock | -8,916 | $24.82 | $221k | 64,891 | Feb 19, 2026 |
| Feb 17, 2026 | Matthew Chiodo Vice President of Sales | FTax withholding Common Stock | -3,187 | $24.89 | $79k | 54,928 | Feb 19, 2026 |
| Feb 17, 2026 | Matthew Chiodo Vice President of Sales | SOpen-market sale Common Stock | -15,705 | $25.03 | $393k | 39,223 | Feb 19, 2026 |
| Feb 17, 2026 | Steven R Downing President and CEO | SOpen-market sale Common Stock | -35,000 | $24.75 | $866k | 211,670 | Feb 19, 2026 |
| Feb 17, 2026 | Kevin C Nash Chief Financial Officer | SOpen-market sale Common Stock | -6,317 | $24.98 | $158k | 64,998 | Feb 19, 2026 |
| Feb 17, 2026 | Scott P Ryan General Counsel | SOpen-market sale Common Stock | -7,145 | $24.73 | $177k | 46,158 | Feb 19, 2026 |
| Feb 17, 2026 | Neil Boehm Chief Technology Officer | FTax withholding Common Stock | -3,608 | $24.89 | $90k | 61,283 | Feb 19, 2026 |
| Feb 17, 2026 | Matthew Chiodo Vice President of Sales | SOpen-market sale Common Stock | -4,122 | $25.03 | $103k | 35,101 | Feb 19, 2026 |
| Feb 19, 2026 | Steven R Downing President and CEO | AGrant or award Common Stock | +43,492 | $0.00 | $0 | 255,162 | Feb 19, 2026 |
| Feb 17, 2026 | Kevin C Nash Chief Financial Officer | SOpen-market sale Common Stock | -5,568 | $24.98 | $139k | 59,430 | Feb 19, 2026 |
| Feb 17, 2026 | Scott P Ryan General Counsel | SOpen-market sale Common Stock | -1,879 | $24.73 | $46k | 44,279 | Feb 19, 2026 |
| Feb 17, 2026 | Neil Boehm Chief Technology Officer | SOpen-market sale Common Stock | -2,332 | $24.82 | $58k | 58,951 | Feb 19, 2026 |
| Feb 19, 2026 | Neil Boehm Chief Technology Officer | AGrant or award Common Stock | +14,953 | $0.00 | $0 | 73,904 | Feb 19, 2026 |
| Feb 19, 2026 | Matthew Chiodo Vice President of Sales | AGrant or award Common Stock | +12,047 | $0.00 | $0 | 47,148 | Feb 19, 2026 |
| Feb 19, 2026 | Kevin C Nash Chief Financial Officer | AGrant or award Common Stock | +13,880 | $0.00 | $0 | 73,310 | Feb 19, 2026 |
| Feb 19, 2026 | Scott P Ryan General Counsel | AGrant or award Common Stock | +11,000 | $0.00 | $0 | 55,279 | Feb 19, 2026 |
| Aug 26, 2025 | Kevin C Nash Chief Financial Officer | GGift Common Stock | -865 | $28.28 | $24k | 54,304 | Aug 27, 2025 |
| May 15, 2025 | Leslie L Brown director | AGrant or award Common Stock | +5,939 | $0.00 | $0 | 33,144 | May 19, 2025 |
| May 15, 2025 | Joseph B Anderson Jr director | AGrant or award Common Stock | +5,939 | $0.00 | $0 | 9,703 | May 19, 2025 |
Insiders
Everyone who has filed a Form 4 here.
- Joseph B Anderson Jrdirector
- Leslie L Browndirector
- Neil BoehmChief Technology Officer
- Matthew ChiodoVice President of Sales
- Garth Deurdirector
- Steven R DowningPresident and CEO
- John C Kennedydirector
- Kevin C NashChief Financial Officer
- Billy Pinkdirector
- Scott P RyanGeneral Counsel
- Richard O Schaumdirector
- Kathleen Starkoffdirector
- Brian C Walkerdirector
- Ling Zangdirector
Questions about GNTX
Answered from the filings on this page, as of the latest one.
Are insiders buying GNTX?
No. In the last 90 days no insider at GENTEX CORP bought or sold shares on the open market according to SEC Form 4 filings. The rows on file from that period are grants, exercises, tax withholding or other transactions, which carry no view on the price.
Who was the last insider to trade GNTX on the open market?
Joseph B Anderson Jr (director) sold $136k of GNTX on May 15, 2026 and filed the Form 4 on May 15, 2026. InsiderTell scored 61 (notable), with 3 insiders on the same side within 14 days.
How many insiders file Form 4 at GENTEX CORP?
14 people have filed a Form 4 at GENTEX CORP, among them Joseph B Anderson Jr (director), Leslie L Brown (director), Neil Boehm (Chief Technology Officer). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.