NASDAQ:GNTX | Insider Transactions | GENTEX CORP

GNTX Insider Transactions

380 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 1–100; provenance stays internal.

GNTX insiders transaction timeline

PurchaseSale
2006-03-14: 1 sale — LANTING ARLYN J2006-03-20: 1 sale — ALEXEJUN DENNIS E2006-03-24: 1 sale — ALEXEJUN DENNIS E2006-03-28: 1 sale — WEBER LEO L2006-03-29: 1 sale — CARTER JOHN W2006-05-08: 1 sale — DEUR GARTH D2006-05-23: 1 sale — LANTING ARLYN J2006-08-01: 1 sale — WEBER LEO L2006-08-17: 1 sale — DEUR GARTH D2006-09-13: 1 sale — DEUR GARTH D2006-12-27: 1 sale — MULDER JOHN A2007-01-31: 1 sale — ALEXEJUN DENNIS E2007-02-08: 1 sale — BAUER FRED2007-02-09: 1 sale — BAUER FRED2007-02-14: 2 sales — BAUER FRED, CARTER JOHN W2007-02-15: 1 sale — BAUER FRED2007-02-16: 1 sale — BAUER FRED2007-02-21: 1 sale — BAUER FRED2007-02-22: 1 sale — BAUER FRED2007-02-23: 1 sale — BAUER FRED2007-02-26: 1 sale — BAUER FRED2007-04-25: 1 sale — CARTER JOHN W2007-04-26: 1 sale — ALEXEJUN DENNIS E2007-05-04: 2 sales — Dykman Steven A, ALEXEJUN DENNIS E2007-05-07: 1 sale — JEN ENOCH C2007-05-08: 1 sale — JEN ENOCH C2007-05-09: 1 sale — ALEXEJUN DENNIS E2007-05-23: 2 sales — CARTER JOHN W, MULDER JOHN A2007-06-19: 4 sales — LA GRAND KENNETH L, ALEXEJUN DENNIS E, JEN ENOCH C and 1 more2007-06-28: 1 sale — CARTER JOHN W2007-07-25: 2 sales — CARTER JOHN W, LA GRAND KENNETH L2007-10-26: 1 sale — JEN ENOCH C2008-05-02: 1 sale — MULDER JOHN A2008-08-12: 1 sale — MULDER JOHN A2009-06-11: 1 sale — MULDER JOHN A2009-12-07: 1 sale — Dykman Steven A2009-12-08: 1 sale — SOTOK FREDERICK A2010-02-01: 1 sale — SOTOK FREDERICK A2010-02-03: 1 sale — Dykman Steven A2010-02-09: 3 sales — BAUER FRED, JEN ENOCH C2010-02-10: 1 sale — BAUER FRED2010-02-11: 3 sales — BAUER FRED, JEN ENOCH C, MULDER JOHN A2010-02-12: 1 sale — BAUER FRED2010-02-16: 1 sale — BAUER FRED2010-02-17: 1 sale — BAUER FRED2010-03-05: 2 sales — LA GRAND KENNETH L2010-03-08: 4 sales — LANTING ARLYN J, JEN ENOCH C, LA GRAND KENNETH L2010-03-18: 1 sale — LA GRAND KENNETH L2010-03-22: 1 sale — LA GRAND KENNETH L2010-03-23: 1 sale — LA GRAND KENNETH L2010-04-26: 4 sales — LA GRAND KENNETH L, JEN ENOCH C, Newton Mark W2010-04-29: 2 sales — TSUHA WALLACE K JR, SOTOK FREDERICK A2010-05-03: 1 sale — MULDER JOHN A2010-11-04: 1 sale — Dykman Steven A2010-11-05: 2 sales — JEN ENOCH C2010-11-08: 1 sale — MULDER JOHN A2010-11-09: 1 sale — Newton Mark W2010-12-01: 1 sale — Arnold John W2010-12-03: 2 sales — SOMMA RANDE S, Dykman Steven A2010-12-07: 1 sale — MULDER JOHN A2010-12-08: 1 sale — JEN ENOCH C2010-12-10: 2 sales — BAUER FRED, LANTING ARLYN J2010-12-13: 2 sales — BAUER FRED, TSUHA WALLACE K JR2010-12-14: 1 sale — BAUER FRED2010-12-15: 1 sale — Newton Mark W2010-12-28: 1 sale — Arnold John W2010-12-29: 1 sale — Arnold John W2011-01-31: 1 sale — LANTING ARLYN J2011-02-01: 2 sales — GOODE GARY F, SOTOK FREDERICK A2011-02-07: 1 sale — LA GRAND KENNETH L2011-02-10: 1 sale — Dykman Steven A2011-02-11: 1 sale — JEN ENOCH C2011-05-02: 1 sale — TSUHA WALLACE K JR2011-05-03: 1 sale — JEN ENOCH C2011-05-11: 1 sale — Dykman Steven A2011-05-13: 1 sale — LANTING ARLYN J2011-10-27: 2 sales — GOODE GARY F2011-12-02: 2 sales — JEN ENOCH C, Dykman Steven A2011-12-22: 1 sale — Dykman Steven A2011-12-27: 1 sale — Arnold John W2011-12-29: 1 sale — Arnold John W2012-03-30: 1 sale — JEN ENOCH C2012-05-10: 1 sale — JEN ENOCH C2012-12-21: 1 sale — MULDER JOHN A2013-04-25: 1 sale — Dykman Steven A2013-04-30: 1 sale — Flynn Paul V2013-05-06: 1 sale — Los Bruce A2013-05-08: 4 sales — Flynn Paul V, Newton Mark W, BAUER FRED and 1 more2013-05-24: 1 sale — Dykman Steven A2013-06-28: 1 sale — Flynn Paul V2013-07-29: 1 sale — Dykman Steven A2013-08-06: 1 sale — TSUHA WALLACE K JR2013-09-16: 1 sale — Downing Steven R2013-10-30: 3 sales — SOTOK FREDERICK A, GOODE GARY F2013-11-26: 1 sale — Los Bruce A2013-12-12: 1 sale — Los Bruce A2014-02-05: 1 sale — SOTOK FREDERICK A2014-02-10: 1 sale — MULDER JOHN A2014-02-11: 1 sale — MULDER JOHN A2014-04-30: 1 sale — Newton Mark W2014-05-02: 2 sales — Nash Kevin C, Downing Steven R2014-05-05: 1 sale — Nash Kevin C2014-06-06: 1 sale — Los Bruce A2014-06-25: 1 sale — Flynn Paul V2014-07-28: 1 sale — SOTOK FREDERICK A2014-07-29: 1 sale — Los Bruce A2014-08-27: 1 sale — MULDER JOHN A2014-09-29: 3 sales — Newton Mark W, Downing Steven R, Nash Kevin C2014-09-30: 1 sale — Los Bruce A2014-10-23: 2 sales — Wallace James H, Los Bruce A2014-10-24: 1 sale — Matthews Joseph E IV2014-10-31: 1 sale — BAUER FRED2014-11-03: 1 sale — BAUER FRED2014-11-04: 1 sale — BAUER FRED2015-02-02: 1 sale — GOODE GARY F2015-02-03: 2 sales — Newton Mark W, SOTOK FREDERICK A2015-02-06: 1 sale — MULDER JOHN A2015-03-31: 1 sale — Matthews Joseph E IV2015-04-23: 1 sale — Matthews Joseph E IV2015-05-12: 1 sale — Downing Steven R2015-10-23: 1 sale — GOODE GARY F2015-10-26: 1 sale — Nash Kevin C2015-10-27: 1 sale — Nash Kevin C2015-10-28: 1 sale — Ryan Scott P2015-11-02: 1 sale — Newton Mark W2015-11-04: 1 sale — MULDER JOHN A2015-11-05: 1 sale — MULDER JOHN A2015-11-10: 1 sale — BAUER FRED2015-12-28: 1 sale — Ryan Scott P2016-06-01: 1 sale — Matthews Joseph E IV2016-06-03: 1 sale — BAUER FRED2016-06-06: 1 sale — BAUER FRED2016-06-07: 1 sale — BAUER FRED2016-06-08: 1 sale — BAUER FRED2016-07-25: 5 sales — Nash Kevin C, Downing Steven R, GOODE GARY F2016-07-26: 2 sales — Ryan Scott P2016-08-10: 2 sales — MULDER JOHN A2016-08-18: 1 sale — BAUER FRED2016-08-19: 1 sale — BAUER FRED2016-08-22: 1 sale — BAUER FRED2016-10-25: 3 sales — Wallace James H, Nash Kevin C2016-11-18: 1 sale — Matthews Joseph E IV2017-01-30: 3 sales — SOTOK FREDERICK A, Nash Kevin C2017-01-31: 3 sales — Downing Steven R2017-03-30: 2 sales — MULDER JOHN A2017-04-24: 5 sales — Matthews Joseph E IV, Ryan Scott P2017-04-25: 1 sale — Nash Kevin C2017-04-27: 2 sales — SOTOK FREDERICK A2017-06-01: 2 sales — MULDER JOHN A2017-08-07: 1 sale — BAUER FRED2017-09-27: 2 sales — Nash Kevin C, Downing Steven R2018-01-29: 6 sales — Hoekstra Peter, GOODE GARY F, MULDER JOHN A2018-01-30: 2 sales — Nash Kevin C, Wallace James H2018-01-31: 1 sale — Ryan Scott P2018-03-01: 1 sale — Matthews Joseph E IV2018-03-09: 2 sales — BAUER FRED2018-03-12: 2 sales — BAUER FRED2018-05-02: 1 sale — SOTOK FREDERICK A2018-06-19: 1 sale — MULDER JOHN A2018-08-02: 1 purchase — Schaum Richard O2018-09-27: 3 sales — Boehm Neil, Downing Steven R, Nash Kevin C2018-09-28: 4 purchases — Chiodo Matthew, Ryan Scott P, Boehm Neil and 1 more2018-10-22: 1 purchase — Starkoff Kathleen2018-12-28: 4 purchases — Downing Steven R, Chiodo Matthew, Boehm Neil and 1 more2018-12-30: 1 sale — Ryan Scott P2019-01-31: 1 sale — Wallace James H2019-03-18: 2 sales — Chiodo Matthew, Boehm Neil2019-03-28: 2 sales — Chiodo Matthew, Boehm Neil2019-03-29: 5 purchases — Ryan Scott P, Nash Kevin C, Downing Steven R and 2 more2019-04-29: 1 sale — GOODE GARY F2019-04-30: 1 sale — GOODE GARY F2019-06-11: 1 sale — MULDER JOHN A2019-06-28: 4 purchases — Chiodo Matthew, Boehm Neil, Ryan Scott P and 1 more2019-06-28: 2 sales — Ryan Scott P, Downing Steven R2019-07-22: 6 sales — SOTOK FREDERICK A, GOODE GARY F, Boehm Neil and 3 more2019-07-24: 1 sale — Chiodo Matthew2019-08-01: 1 sale — GOODE GARY F2019-09-12: 1 sale — MULDER JOHN A2019-09-27: 4 purchases — Boehm Neil, Chiodo Matthew, Downing Steven R and 1 more2019-10-01: 2 sales — Boehm Neil, Nash Kevin C2019-10-23: 1 sale — MULDER JOHN A2019-10-28: 1 sale — GOODE GARY F2019-12-27: 4 purchases — Chiodo Matthew, Ryan Scott P, Boehm Neil and 1 more2020-02-03: 1 sale — Wallace James H2020-03-27: 5 purchases — Downing Steven R, Chiodo Matthew, Boehm Neil and 2 more2020-05-08: 1 sale — SOTOK FREDERICK A2020-05-18: 3 sales — MULDER JOHN A, SOTOK FREDERICK A, Hollars James A2020-06-26: 4 purchases — Downing Steven R, Ryan Scott P, Boehm Neil and 1 more2020-09-02: 1 sale — Downing Steven R2020-09-30: 2 sales — Downing Steven R, Nash Kevin C2020-11-02: 2 sales — MULDER JOHN A, Wallace James H2020-11-04: 1 sale — MULDER JOHN A2020-11-05: 1 sale — Ryan Scott P2020-11-18: 3 sales — Nash Kevin C, Downing Steven R, Boehm Neil2020-12-31: 1 sale — Ryan Scott P2021-02-01: 3 sales — Chiodo Matthew, MULDER JOHN A, Wallace James H2021-02-04: 1 sale — MULDER JOHN A2021-02-05: 1 sale — MULDER JOHN A2021-02-12: 1 sale — GOODE GARY F2021-02-16: 3 sales — Nash Kevin C, Downing Steven R, Ryan Scott P2021-02-22: 3 sales — Ryan Scott P, Downing Steven R, Nash Kevin C2021-03-31: 2 sales — Boehm Neil, Chiodo Matthew2021-04-28: 1 sale — Schaum Richard O2021-05-21: 1 sale — Hollars James A2021-06-08: 1 sale — Zang Ling2021-07-27: 1 sale — MULDER JOHN A2021-10-25: 1 sale — Ryan Scott P2021-10-28: 1 sale — GOODE GARY F2021-10-29: 1 sale — Wallace James H2021-11-01: 1 sale — GOODE GARY F2021-11-03: 1 sale — Wallace James H2022-02-15: 5 sales — Chiodo Matthew, Boehm Neil, Ryan Scott P and 2 more2022-02-16: 3 sales — Ryan Scott P, Downing Steven R, Nash Kevin C2022-02-22: 10 sales — Downing Steven R, Chiodo Matthew, Boehm Neil and 2 more2022-03-31: 2 sales — Chiodo Matthew, Boehm Neil2022-05-20: 1 sale — GOODE GARY F2022-10-31: 1 purchase — Downing Steven R2022-10-31: 1 sale — Wallace James H2023-01-04: 1 sale — Ryan Scott P2023-02-01: 1 sale — Nash Kevin C2023-02-02: 1 sale — Downing Steven R2023-02-21: 2 sales — Ryan Scott P2023-03-06: 1 sale — Boehm Neil2023-05-01: 1 sale — Schaum Richard O2023-05-19: 2 sales — GOODE GARY F, Hollars James A2023-07-31: 2 sales — ANDERSON JOSEPH B JR, Starkoff Kathleen2024-02-01: 1 sale — Schaum Richard O2024-02-02: 1 sale — GOODE GARY F2024-02-09: 1 sale — GOODE GARY F2024-02-20: 2 sales — Ryan Scott P, Nash Kevin C2024-05-20: 2 sales — ANDERSON JOSEPH B JR, GOODE GARY F2025-05-16: 1 sale — ANDERSON JOSEPH B JR2026-02-17: 9 sales — Boehm Neil, Chiodo Matthew, Ryan Scott P and 2 more2026-04-30: 1 sale — Schaum Richard O2026-05-05: 1 sale — BROWN LESLIE L2026-05-15: 2 sales — ANDERSON JOSEPH B JR, WALKER BRIAN C2006-03-142026-05-15
Insider profileRoleDateTransactionSharesPrice
ANDERSON JOSEPH B JRDirector2026-05-15Sale5,939.0$22.98
WALKER BRIAN CDirector2026-05-15Sale5,939.0$22.98
BROWN LESLIE LDirector2026-05-05Sale10,782.0$22.85
Schaum Richard ODirector2026-04-30Sale4,815.0$23.31
Boehm NeilChief Technology Officer2026-02-17Sale2,332.0$24.82
Boehm NeilChief Technology Officer2026-02-17Sale8,916.0$24.82
Chiodo MatthewVice President of Sales2026-02-17Sale4,122.0$25.03
Chiodo MatthewVice President of Sales2026-02-17Sale15,705.0$25.03
Ryan Scott PGeneral Counsel2026-02-17Sale1,879.0$24.73
Ryan Scott PGeneral Counsel2026-02-17Sale7,145.0$24.73
Downing Steven RPresident and CEO2026-02-17Sale35,000.0$24.75
Nash Kevin CChief Financial Officer2026-02-17Sale5,568.0$24.98
Nash Kevin CChief Financial Officer2026-02-17Sale6,317.0$24.98
ANDERSON JOSEPH B JRDirector2025-05-16Sale3,764.0$22.87
ANDERSON JOSEPH B JRDirector2024-05-20Sale4,716.0$34.46
GOODE GARY FDirector2024-05-20Sale4,716.0$34.46
Ryan Scott PGeneral Counsel2024-02-20Sale12,500.0$35.0
Nash Kevin CChief Financial Officer2024-02-20Sale13,500.0$33.04
GOODE GARY FDirector2024-02-09Sale7,000.0$35.02
GOODE GARY FDirector2024-02-02Sale7,000.0$34.11
Schaum Richard ODirector2024-02-01Sale6,022.0$33.93
ANDERSON JOSEPH B JRDirector2023-07-31Sale4,416.0$33.52
Starkoff KathleenDirector2023-07-31Sale4,430.0$33.2
GOODE GARY FDirector2023-05-19Sale4,416.0$28.27
Hollars James ADirector2023-05-19Sale4,416.0$28.27
Schaum Richard ODirector2023-05-01Sale5,424.0$27.89
Boehm NeilChief Technology Officer2023-03-06Sale1,242.0$28.41
Ryan Scott PGeneral Counsel2023-02-21Sale4,325.0$28.29
Ryan Scott PGeneral Counsel2023-02-21Sale5,570.0$28.29
Downing Steven RPresident and CEO2023-02-02Sale17,730.0$30.21
Nash Kevin CChief Financial Officer2023-02-01Sale6,776.0$29.42
Ryan Scott PGeneral Counsel2023-01-04Sale4,580.0$28.0
Wallace James HDirector2022-10-31Sale14,000.0$26.04
Downing Steven RPresident and CEO2022-10-31Purchase10,000.0$25.74
GOODE GARY FDirector2022-05-20Sale2,845.0$30.17
Chiodo MatthewVice President of Sales2022-03-31Sale5,700.0$29.24
Boehm NeilChief Technology Officer2022-03-31Sale4,500.0$29.24
Downing Steven RPresident and CEO2022-02-22Sale37,691.0$30.36
Downing Steven RPresident and CEO2022-02-22Sale21,246.0$30.36
Chiodo MatthewVice President of Sales2022-02-22Sale9,549.0$30.36
Chiodo MatthewVice President of Sales2022-02-22Sale5,382.0$30.36
Boehm NeilChief Technology Officer2022-02-22Sale10,228.0$30.36
Boehm NeilChief Technology Officer2022-02-22Sale5,765.0$30.36
Nash Kevin CChief Financial Officer2022-02-22Sale10,052.0$30.36
Nash Kevin CChief Financial Officer2022-02-22Sale5,666.0$30.36
Ryan Scott PGeneral Counsel2022-02-22Sale8,797.0$30.36
Ryan Scott PGeneral Counsel2022-02-22Sale4,958.0$30.36
Ryan Scott PGeneral Counsel2022-02-16Sale1,820.0$31.32
Downing Steven RPresident and CEO2022-02-16Sale7,560.0$31.32
Nash Kevin CChief Financial Officer2022-02-16Sale3,630.0$31.32
Chiodo MatthewVice President of Sales2022-02-15Sale8,000.0$31.5
Boehm NeilChief Technology Officer2022-02-15Sale8,000.0$31.5
Ryan Scott PGeneral Counsel2022-02-15Sale8,000.0$31.5
Downing Steven RPresident and CEO2022-02-15Sale31,000.0$31.5
Nash Kevin CChief Financial Officer2022-02-15Sale8,000.0$31.5
Wallace James HDirector2021-11-03Sale7,000.0$36.23
GOODE GARY FDirector2021-11-01Sale6,200.0$35.68
Wallace James HDirector2021-10-29Sale7,000.0$35.19
GOODE GARY FDirector2021-10-28Sale7,800.0$35.71
Ryan Scott PGeneral Counsel2021-10-25Sale9,224.0$34.27
MULDER JOHN ADirector2021-07-27Sale7,000.0$32.65
Zang LingDirector2021-06-08Sale10,000.0$34.34
Hollars James ADirector2021-05-21Sale4,061.0$34.68
Schaum Richard ODirector2021-04-28Sale5,440.0$35.69
Boehm NeilChief Technology Officer2021-03-31Sale2,053.0$35.66
Chiodo MatthewVice President of Sales2021-03-31Sale6,851.0$35.66
Ryan Scott PGeneral Counsel2021-02-22Sale1,650.0$35.57
Downing Steven RPresident and CEO2021-02-22Sale6,300.0$35.57
Nash Kevin CChief Financial Officer2021-02-22Sale3,150.0$35.57
Nash Kevin CChief Financial Officer2021-02-16Sale2,922.0$35.73
Downing Steven RPresident and CEO2021-02-16Sale6,384.0$35.73
Ryan Scott PGeneral Counsel2021-02-16Sale1,512.0$35.73
GOODE GARY FDirector2021-02-12Sale14,000.0$35.59
MULDER JOHN ADirector2021-02-05Sale6,133.0$34.81
MULDER JOHN ADirector2021-02-04Sale7,000.0$34.9
Chiodo MatthewVice President of Sales2021-02-01Sale5,000.0$33.06
MULDER JOHN ADirector2021-02-01Sale867.0$34.19
Wallace James HDirector2021-02-01Sale7,000.0$33.9
Ryan Scott PGeneral Counsel2020-12-31Sale1,650.0$33.93
Nash Kevin CChief Financial Officer2020-11-18Sale10,700.0$33.18
Downing Steven RPresident and CEO2020-11-18Sale28,504.0$33.19
Boehm NeilChief Technology Officer2020-11-18Sale19,968.0$33.22
Ryan Scott PGeneral Counsel2020-11-05Sale1,085.0$30.0
MULDER JOHN ADirector2020-11-04Sale5,000.0$29.45
MULDER JOHN ADirector2020-11-02Sale5,000.0$28.1
Wallace James HDirector2020-11-02Sale7,000.0$28.06
Downing Steven RPresident and CEO2020-09-30Sale6,000.0$25.81
Nash Kevin CChief Financial Officer2020-09-30Sale3,000.0$25.81
Downing Steven RPresident and CEO2020-09-02Sale23,700.0$28.05
Downing Steven RPresident and CEO2020-06-26Purchase117.0$21.42
Ryan Scott PGeneral Counsel2020-06-26Purchase117.0$21.42
Boehm NeilChief Technology Officer2020-06-26Purchase30.0$21.42
Chiodo MatthewVice President of Sales2020-06-26Purchase117.0$21.42
MULDER JOHN ADirector2020-05-18Sale4,403.0$25.46
SOTOK FREDERICK ADirector2020-05-18Sale4,403.0$25.46
Hollars James ADirector2020-05-18Sale4,403.0$25.46
SOTOK FREDERICK ADirector2020-05-08Sale7,000.0$25.95
Downing Steven RPresident and CEO2020-03-27Purchase674.0$18.53
Chiodo MatthewVice President of Sales2020-03-27Purchase675.0$18.53
Boehm NeilChief Technology Officer2020-03-27Purchase575.0$18.53