SEC Form 4
Gentex Corp (GNTX) insider trading
In the 12 months to Oct 24, 2026, 9 GNTX insiders reported open-market sales of $2.8M across 9 filings; no open-market purchases were filed.
Latest filing · Last 12 months · Source: SEC EDGAR · How we count
- Open-market sales
- $2.8M
- 9 filings · 9 insiders
- Open-market purchases
- $0
- 0 filings
Who traded GNTX, and when
- Sale
GNTX daily close from Oct 24, 2025 to Oct 23, 2026, between $20.66 and $26.04, last $20.66. 9 sale and 0 purchase filings by 9 insiders, marked at their filing dates. Steven R. Downing, President and CEO: sold $866.1K across 1 filing, first filed Feb 19, 2026, last Feb 19, 2026. Matthew Chiodo, Vice President of Sales: sold $496.2K across 1 filing, first filed Feb 19, 2026, last Feb 19, 2026. Kevin C. Nash, Chief Financial Officer: sold $296.8K across 1 filing, first filed Feb 19, 2026, last Feb 19, 2026. Neil Boehm, Chief Technology Officer: sold $279.2K across 1 filing, first filed Feb 19, 2026, last Feb 19, 2026. Leslie L. Brown, Director: sold $246.3K across 1 filing, first filed May 5, 2026, last May 5, 2026. Scott P. Ryan, General Counsel: sold $223.2K across 1 filing, first filed Feb 19, 2026, last Feb 19, 2026. 3 others: sold $385.1K across 3 filings, first filed Apr 30, 2026, last May 15, 2026.
Largest mark · tap a row for others
Steven R. Downing · President and CEO
Sale $866,100
35,000 shares at $24.75 avg
Filed Feb 19, 2026 · traded Feb 17
Close on filing date $23.97
Steven R. Downing · President and CEO
President and CEO
$866.1K soldMatthew Chiodo · Vice President of Sales
Vice President of Sales
$496.2K soldKevin C. Nash · Chief Financial Officer
Chief Financial Officer
$296.8K soldNeil Boehm · Chief Technology Officer
Chief Technology Officer
$279.2K soldLeslie L. Brown · Director
Director
$246.3K soldScott P. Ryan · General Counsel
General Counsel
$223.2K sold3 others
Combined, one mark per week
$385.1K soldHas Gentex Corp's CEO sold stock?
Yes. Steven R. Downing (CEO) sold 35,000 shares ($866.1K) in Feb 2026.
Open-market trades
9 filings in the last 12 months| Insider | Role | Sold | Bought | Filings | Pre-arranged (10b5-1) | Last filed |
|---|---|---|---|---|---|---|
| Steven R. Downing | President and CEO | $866.1K | — | 1 | — | |
| Matthew Chiodo | Vice President of Sales | $496.2K | — | 1 | — | |
| Kevin C. Nash | Chief Financial Officer | $296.8K | — | 1 | — | |
| Neil Boehm | Chief Technology Officer | $279.2K | — | 1 | — | |
| Leslie L. Brown | Director | $246.3K | — | 1 | — | |
| Scott P. Ryan | General Counsel | $223.2K | — | 1 | — | |
| Brian C. Walker | Director | $136.4K | — | 1 | — | |
| Joseph B. Anderson Jr. | Director | $136.4K | — | 1 | — | |
| Richard O. Schaum | Director | $112.2K | — | 1 | — |
| Filed | Insider | Type | Shares | Avg price | Value | Held after | Source |
|---|---|---|---|---|---|---|---|
traded | Brian C. Walker Director | Sale | 5,939 | $22.98 | $136.4K | 24,205 | |
traded | Joseph B. Anderson Jr. Director | Sale | 5,939 | $22.98 | $136.4K | 0 | |
traded | Leslie L. Brown Director | Sale | 10,782 | $22.85 | $246.3K | 36,362 | |
traded | Richard O. Schaum Director | Sale | 4,815 | $23.31 | $112.2K | 81,443 | |
traded | Kevin C. Nash Chief Financial Officer | Sale | 11,885 | $24.98 | $296.8K | 59,430 | |
traded | Steven R. Downing President and CEO | Sale | 35,000 | $24.75 | $866.1K | 211,670 | |
traded | Scott P. Ryan General Counsel | Sale | 9,024 | $24.73 | $223.2K | 44,279 | |
traded | Matthew Chiodo Vice President of Sales | Sale | 19,827 | $25.03 | $496.2K | 39,223 | |
traded | Neil Boehm Chief Technology Officer | Sale | 11,248 | $24.82 | $279.2K | 64,891 |
GET /stocks/filings/vX/form-4?tickers=GNTX&filing_date.gte=2025-10-24&sort=filing_date.desc&limit=500{
"status": "OK",
"results": [
{
"tickers": [
"GNTX"
],
"issuer_cik": "0000355811",
"owner_cik": "0001202922",
"accession_number": "0001202922-26-000010",
"form_type": "4",
"filing_date": "2026-05-15",
"period_of_report": "2026-05-15",
"issuer_name": "GENTEX CORP",
"issuer_trading_symbol": "GNTX",
"owner_name": "WALKER BRIAN C",
"is_director": true,
"is_officer": false,
"is_ten_percent_owner": false,
"is_other": false,
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Common Stock",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-05-15",
"transaction_code": "S",
"equity_swap_involved": false,
"transaction_shares": 5939,
"transaction_price_per_share": 22.9752,
"transaction_acquired_disposed": "D",
"shares_owned_following_transaction": 24205,
"transaction_value": 136449.7128,
"not_subject_to_section_16": false,
"direct_or_indirect": "D"
},
{
"tickers": [
"GNTX"
],
"issuer_cik": "0000355811",
"owner_cik": "0001214328",
"accession_number": "0001214328-26-000002",
"form_type": "4",
"filing_date": "2026-05-15",
"period_of_report": "2026-05-15",
"issuer_name": "GENTEX CORP",
"issuer_trading_symbol": "GNTX",
"owner_name": "ANDERSON JOSEPH B JR",
"is_director": true,
"is_officer": false,
"is_ten_percent_owner": false,
"is_other": false,
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Common Stock",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-05-15",
"transaction_code": "S",
"equity_swap_involved": false,
"transaction_shares": 5939,
"transaction_price_per_share": 22.9752,
"transaction_acquired_disposed": "D",
"shares_owned_following_transaction": 0,
"transaction_value": 136449.7128,
"not_subject_to_section_16": false,
"direct_or_indirect": "D"
}
]
}
// trimmed to 2 resultsThe response includes every Form 4 record; this page keeps open-market purchases and sales on common stock and removes duplicate joint-filer rows.
Other insider activity (not market trades) · 31 records
- Option exercises3 records
- Tax withholding10 records
- Grants and awards18 records
Reported on Form 4 but not purchases or sales in the market, so not counted in the totals above.
Build this yourself
This page joins two Massive endpoints: Form 4 filings and daily prices. Ask an agent to watch for new filings:
Using the Massive API (massive.com/docs/llms.txt), check Form 4 filings for GNTX every day with transaction_code=P and tell me when an insider files an open-market purchase, with their role, shares, price and the filing link.
How to read this page
- Open-market purchase or sale
- A buy or sell of the company's stock at market price. Grants, option exercises, shares withheld for tax, gifts and employee stock plan purchases are listed separately and not counted.
- Filing date
- Insiders have two business days to report a trade. Totals and the chart use the filing date, when the trade became public.