ANDERSON JOSEPH B JR (CIK 1214328) reported 3 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-15). Recent activity: Sell GNTX (5,939 shares), Buy GNTX (5,939 shares), Sell GNTX (3,764 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-15 | GENTEX CORP (GNTX) | Director | Sell | 5,939 | $136,478 |
| 2025-05-19 | GENTEX CORP (GNTX) | Director | Buy | 5,939 | $0 |
| 2025-05-19 | GENTEX CORP (GNTX) | Director | Sell | 3,764 | $86,083 |
来源：SEC Form 4 申报文件 · 截至 2026-05-15