Quick Takeaways
- GNTX - GENTEX CORP has 17 insiders with reported activity on this page.
- Net insider value flow over the last year: -$2,792,942.
- Recent transaction rows are available for direct filing-level review.
Insider Transactions Reported by 17 Insiders of GENTEX CORP
- Symbol
- GNTX on Nasdaq
- Location
- Zeeland, MI
What Changed
- Buy value: ; sell value: $2,792,941.
- Net share flow: -114,459.
Why This Matters
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Source Evidence
Filed on Form 4
See Original Filing
Issuer insider activity is sourced from SEC Forms 3, 4, and 5.
Insider trading overview
Last 12 monthsNet insider flow leans to selling over the last 12 months. Net value: -$2,792,942.
Buys
$0
Shares: 0
Insiders: 0
Sells
$2,792,942
Shares: 114,459
Insiders: 9
Net
-$2,792,942
Shares: -114,459
Insiders: -9
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 27,475 | $0 | $631,483 | -$631,483 |
| 3-6 | 0 | 86,984 | $0 | $2,161,459 | -$2,161,459 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
GENTEX CORP executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Downing Steven R. Power | President and CEO | $6,215,746 | -$866,100 | -12% | Mixed | 17 Feb 2026 |
| Schaum Richard O | Director | $1,898,599 | -$112,247 | -5.6% | Filing P/S | 30 Apr 2026 |
| Neil J. Boehm Power | Chief Technology Officer | $1,800,301 | -$279,175 | -13% | Mixed | 17 Feb 2026 |
| Kevin C. Nash Power | Chief Financial Officer | $1,785,831 | -$296,848 | -14% | Mixed | 17 Feb 2026 |
| Scott P. Ryan Power | General Counsel | $1,346,596 | -$223,165 | -14% | Mixed | 17 Feb 2026 |
| Matthew W. Chiodo Power | Vice President of Sales | $1,148,525 | -$496,171 | -30% | Mixed | 17 Feb 2026 |
| Hollars James A. Power | Director | $1,127,849 | Mixed | 19 May 2023 | ||
| John A. Mulder Power | Director | $1,072,188 | Mixed | 27 Jul 2021 | ||
| James H. Wallace Power | Director | $895,721 | Mixed | 31 Oct 2022 | ||
| Gary F. Goode Power | Director | $842,976 | Filing P/S | 20 May 2024 | ||
| Leslie L. Brown Power | Director | $830,762 | -$246,336 | -23% | Filing P/S | 05 May 2026 |
| Kathleen Starkoff Power | Director | $685,479 | Mixed | 15 May 2025 | ||
| Ling Zang Power | Director | $659,705 | Mixed | 15 May 2025 | ||
| Brian Walker Power | Director | $556,114 | -$136,450 | -20% | Filing P/S | 15 May 2026 |
| Deur Garth D. Power | Director | $317,362 | Mixed | 15 May 2025 | ||
| Billy Pink | Director | $213,563 | Mixed | 15 May 2025 | ||
| Anderson Joseph By Power | Director | $0 | -$136,450 | -100% | Mixed | 15 May 2026 |
Top shareholders of GENTEX CORP (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
|
Company |
9.9%
|
21,298,182
|
$465,365,270 | — | 31 Mar 2026 | |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
|
Vanguard Capital Management · Company |
5.3%
|
11,377,317
|
$248,594,376 | $0 | 31 Mar 2026 | |
| AMERICAN CENTURY COMPANIES INC |
13F
|
Company |
4.9%
|
10,603,336
|
$231,682,931 | — | 31 Mar 2026 | |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13F
|
Company |
4.8%
|
10,259,250
|
$224,164,613 | — | 31 Mar 2026 | |
| ARIEL INVESTMENTS, LLC |
13F
|
Company |
3.9%
|
8,342,402
|
$182,281,484 | — | 31 Mar 2026 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
3.5%
|
7,463,299
|
$163,066,638 | — | 31 Mar 2026 | |
| BANK OF MONTREAL /CAN/ |
13F
|
Company |
3.4%
|
7,398,009
|
$161,646,497 | — | 31 Mar 2026 | |
| FULLER & THALER ASSET MANAGEMENT, INC. |
13F
|
Company |
3.3%
|
7,108,679
|
$155,324,641 | — | 31 Mar 2026 | |
| STATE STREET CORP |
13F
|
Company |
3.3%
|
7,081,099
|
$154,722,013 | — | 31 Mar 2026 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2.8%
|
6,009,747
|
$131,335,319 | — | 31 Mar 2026 | |
| Boston Partners |
13F
|
Company |
2.6%
|
5,690,036
|
$124,321,258 | — | 31 Mar 2026 | |
| DISCIPLINED GROWTH INVESTORS INC /MN |
13F
|
Company |
2.1%
|
4,519,708
|
$98,755,620 | — | 31 Mar 2026 | |
| CAISSE DE DEPOT ET PLACEMENT DU QUEBEC |
13F
|
Individual |
1.8%
|
3,839,952
|
$83,902,951 | — | 31 Mar 2026 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
1.8%
|
3,775,240
|
$82,488,996 | — | 31 Mar 2026 | |
| MORGAN STANLEY |
13F
|
Company |
1.4%
|
3,046,662
|
$66,569,584 | — | 31 Mar 2026 | |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP |
13F
|
Company |
1.4%
|
2,995,044
|
$65,441,711 | — | 31 Mar 2026 | |
| WELLINGTON MANAGEMENT GROUP LLP |
13D/G
13F
|
Company |
1.1%
|
2,300,392
|
$56,037,549 | -$271,480,629 | 31 Dec 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
1.1%
|
2,437,874
|
$53,267,547 | — | 31 Mar 2026 | |
| NORTHERN TRUST CORP |
13F
|
Company |
1%
|
2,169,968
|
$47,413,801 | — | 31 Mar 2026 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.98%
|
2,108,700
|
$46,075,099 | — | 31 Mar 2026 | |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC |
13F
|
Company |
0.96%
|
2,074,423
|
$45,326,142 | — | 31 Mar 2026 | |
| SEIZERT CAPITAL PARTNERS, LLC |
13F
|
Company |
0.92%
|
1,988,653
|
$43,452,068 | — | 31 Mar 2026 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
0.87%
|
1,884,412
|
$41,174,402 | — | 31 Mar 2026 | |
| WEST MICHIGAN ADVISORS, LLC |
13F
|
Company |
0.83%
|
1,792,935
|
$39,175,623 | — | 31 Mar 2026 | |
| XXEC, Inc. |
13F
|
Company |
0.72%
|
1,541,062
|
$36,612,047 | — | 31 Mar 2026 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0.73%
|
1,581,300
|
$33,839,840 | — | 31 Mar 2026 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
0.7%
|
1,509,752
|
$32,988,081 | — | 31 Mar 2026 | |
| UBS Group AG |
13F
|
Company |
0.7%
|
1,509,382
|
$32,979,997 | — | 31 Mar 2026 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.7%
|
1,507,052
|
$32,929,086 | — | 31 Mar 2026 | |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC |
13F
|
Company |
0.68%
|
1,470,576
|
$32,132,086 | — | 31 Mar 2026 | |
| BALYASNY ASSET MANAGEMENT L.P. |
13F
|
Company |
0.64%
|
1,377,811
|
$30,105,170 | — | 31 Mar 2026 | |
| VANGUARD FIDUCIARY TRUST CO |
13F
|
Company |
0.63%
|
1,363,425
|
$29,790,836 | — | 31 Mar 2026 | |
| Gotham Asset Management, LLC |
13F
|
Company |
0.6%
|
1,292,588
|
$28,243,048 | — | 31 Mar 2026 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.57%
|
1,224,623
|
$26,758,013 | — | 31 Mar 2026 | |
| FIRST TRUST ADVISORS LP |
13F
|
Company |
0.54%
|
1,155,278
|
$25,242,818 | — | 31 Mar 2026 | |
| Qube Research & Technologies Ltd |
13F
|
Company |
0.52%
|
1,109,962
|
$24,252,670 | — | 31 Mar 2026 | |
| Janney Montgomery Scott LLC |
13F
|
Company |
0.48%
|
1,036,453
|
$22,647,000 | — | 31 Mar 2026 | |
| EUBEL BRADY & SUTTMAN ASSET MANAGEMENT INC |
13F
|
Company |
0.48%
|
1,027,500
|
$22,451,000 | — | 31 Mar 2026 | |
| FORT WASHINGTON INVESTMENT ADVISORS INC /OH/ |
13F
|
Company |
0.47%
|
1,019,037
|
$22,265,958 | — | 31 Mar 2026 | |
| Freestone Grove Partners LP |
13F
|
Company |
0.46%
|
991,846
|
$21,671,835 | — | 31 Mar 2026 | |
| AMERIPRISE FINANCIAL INC |
13F
|
Company |
0.45%
|
964,126
|
$21,066,465 | — | 31 Mar 2026 | |
| RAYMOND JAMES FINANCIAL INC |
13F
|
Company |
0.43%
|
919,000
|
$20,080,153 | — | 31 Mar 2026 | |
| Triodos Investment Management BV |
13F
|
Company |
0.37%
|
801,000
|
$17,501,850 | — | 31 Mar 2026 | |
| VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V. |
13F
|
Company |
0.36%
|
775,438
|
$16,943,320 | — | 31 Mar 2026 | |
| Retirement Systems of Alabama |
13F
|
Company |
0.32%
|
693,276
|
$15,148,081 | — | 31 Mar 2026 | |
| RHUMBLINE ADVISERS |
13F
|
Company |
0.32%
|
684,068
|
$14,946,834 | — | 31 Mar 2026 | |
| AQR CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.31%
|
662,874
|
$14,430,780 | — | 31 Mar 2026 | |
| CIDEL ASSET MANAGEMENT INC |
13F
|
Company |
0.3%
|
647,425
|
$14,146,240 | — | 31 Mar 2026 | |
| ALPS ADVISORS INC |
13F
|
Company |
0.3%
|
641,612
|
$14,019,222 | — | 31 Mar 2026 | |
| Trexquant Investment LP |
13F
|
Company |
0.3%
|
641,607
|
$14,019,113 | — | 31 Mar 2026 |
Recent Insider Transactions by Companies or Individuals for GENTEX CORP
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Brian Walker Power | GNTX | Common Stock | Sale | -19.7% | $136,450 | $22.98 | -5,939 | 24,205 | 15 May 2026 | Direct |
| Anderson Joseph By Power | GNTX | Common Stock | Sale | -100% | $136,450 | $22.98 | -5,939 | 0 | 15 May 2026 | Direct |
| Leslie L. Brown Power | GNTX | Common Stock | Sale | -22.9% | $246,336 | $22.85 | -10,782 | 36,362 | 05 May 2026 | Direct |
| Leslie L. Brown Power | GNTX | Common Stock | Options Exercise | 42.2% | 14,000 | 47,144 | 05 May 2026 | Direct | ||
| Leslie L. Brown Power | GNTX | Non-Employee Director Stock Option Grant | Options Exercise | 14,000 | 14,000 | 05 May 2026 | Direct | |||
| Schaum Richard O | GNTX | Common Stock | Sale | -5.58% | $112,247 | $23.31 | -4,815 | 81,443 | 30 Apr 2026 | Direct |
| Schaum Richard O | GNTX | Common Stock | Options Exercise | 8.83% | 7,000 | 86,258 | 30 Apr 2026 | Direct | ||
| Schaum Richard O | GNTX | Non-Employee Director Stock Option Plan | Options Exercise | 100% | 7,000 | 14,000 | 30 Apr 2026 | Direct | ||
| Neil J. Boehm Power | GNTX | Common Stock | Award | 25.4% | 14,953 | 73,904 | 19 Feb 2026 | Direct | ||
| Scott P. Ryan Power | GNTX | Common Stock | Award | 24.8% | 11,000 | 55,279 | 19 Feb 2026 | Direct | ||
| Kevin C. Nash Power | GNTX | Common Stock | Award | 23.4% | 13,880 | 73,310 | 19 Feb 2026 | Direct | ||
| Downing Steven R. Power | GNTX | Common Stock | Award | 20.6% | 43,492 | 255,162 | 19 Feb 2026 | Direct | ||
| Matthew W. Chiodo Power | GNTX | Common Stock | Award | 34.3% | 12,047 | 47,148 | 19 Feb 2026 | Direct | ||
| Neil J. Boehm Power | GNTX | Common Stock | Sale | -16% | $279,175 | $24.82 | -11,248 | 58,951 | 17 Feb 2026 | Direct |
| Neil J. Boehm Power | GNTX | Common Stock | Tax liability | -22.5% | -17,768 | 61,283 | 17 Feb 2026 | Direct | ||
| Neil J. Boehm Power | GNTX | Common Stock | Award | 57.2% | 31,993 | 87,967 | 17 Feb 2026 | Direct | ||
| Scott P. Ryan Power | GNTX | Common Stock | Sale | -16.9% | $223,165 | $24.73 | -9,024 | 44,279 | 17 Feb 2026 | Direct |
| Scott P. Ryan Power | GNTX | Common Stock | Tax liability | -21.3% | -14,399 | 53,303 | 17 Feb 2026 | Direct | ||
| Scott P. Ryan Power | GNTX | Common Stock | Award | 61.5% | 25,782 | 67,702 | 17 Feb 2026 | Direct | ||
| Kevin C. Nash Power | GNTX | Common Stock | Sale | -16.7% | $296,848 | $24.98 | -11,885 | 59,430 | 17 Feb 2026 | Direct |
| Kevin C. Nash Power | GNTX | Common Stock | Tax liability | -22.9% | -21,170 | 71,315 | 17 Feb 2026 | Direct | ||
| Kevin C. Nash Power | GNTX | Common Stock | Award | 70.3% | 38,181 | 92,485 | 17 Feb 2026 | Direct | ||
| Downing Steven R. Power | GNTX | Common Stock | Sale | -14.2% | $866,100 | $24.75 | -35,000 | 211,670 | 17 Feb 2026 | Direct |
| Downing Steven R. Power | GNTX | Common Stock | Tax liability | -21.7% | -68,332 | 246,670 | 17 Feb 2026 | Direct | ||
| Downing Steven R. Power | GNTX | Common Stock | Award | 65.2% | 124,311 | 315,002 | 17 Feb 2026 | Direct | ||
| Matthew W. Chiodo Power | GNTX | Common Stock | Sale | -36.1% | $496,171 | $25.02 | -19,827 | 35,101 | 17 Feb 2026 | Direct |
| Matthew W. Chiodo Power | GNTX | Common Stock | Tax liability | -22.3% | -15,751 | 54,928 | 17 Feb 2026 | Direct | ||
| Matthew W. Chiodo Power | GNTX | Common Stock | Award | 66.7% | 28,269 | 70,679 | 17 Feb 2026 | Direct | ||
| Kevin C. Nash Power | GNTX | Common Stock | Gift | -1.57% | -865 | 54,304 | 26 Aug 2025 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.