Elfrink Willem (CIK 1893194) reported 1 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-04-16). Recent activity: Buy BEAT (187,500 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-16 | HeartBeam, Inc. (BEAT) | Director | Buy | 187,500 | $150,000 |
来源：SEC Form 4 申报文件 · 截至 2026-04-16