West Thomas A. (CIK 1620705) reported 3 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-07-30). Recent activity: Buy CBLL (16,011 shares), Buy SIBN (10,957 shares), Buy SIBN (8,675 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-30 | Ceribell, Inc. (CBLL) | Director | Buy | 16,011 | $0 |
| 2026-06-08 | SI-BONE, Inc. (SIBN) | Director | Buy | 10,957 | $0 |
| 2025-06-06 | SI-BONE, Inc. (SIBN) | Director | Buy | 8,675 | $0 |
Source: SEC Form 4 filings · as of 2026-07-30