X0508 4 2026-02-17 false 0000355811 GENTEX CORP GNTX 0001577359 Nash Kevin C 600 NORTH CENTENNIAL STREET ZEELAND MI 49464 false true false false Chief Financial Officer false Common Stock 2026-02-17 4 A false 38181.00 0.00 A 92485.00 D Common Stock 2026-02-17 4 F false 16864.00 24.89 D 75621.00 D Common Stock 2026-02-17 4 F false 4306.00 24.89 D 71315.00 D Common Stock 2026-02-17 4 S false 6317.00 24.9767 D 64998.00 D Common Stock 2026-02-17 4 S false 5568.00 24.9767 D 59430.00 D Common Stock 2026-02-19 4 A false 13880.00 0.00 A 73310.00 D 38,181 shares are performance-based shares where the total number of shares granted were based on long term performance incentives. These shares vest 100% three years from grant award date. /s/ Scott Ryan for Kevin C. Nash by Power of Attorney 2026-02-19