GRAY WILLIAM HENRY (CIK 1457782) reported 44 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-03-06). Recent activity: Buy WYTC (100 shares), Buy WYTC (250 shares), Buy WYTC (100 shares), Buy WYTC (200 shares), Buy WYTC (100 shares). Source: SEC Form 4.
来源:SEC Form 4 申报文件 · 截至 2026-03-06