Bickerstaff George (CIK 1329646) reported 4 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-06-16). Recent activity: Buy CDNA (9,795 shares), Buy CDNA (29,136 shares), Buy CDNA (12,103 shares), Sell CDNA (20,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-16 | CareDx, Inc. (CDNA) | Director | Buy | 9,795 | $0 |
| 2025-09-12 | CareDx, Inc. (CDNA) | Director | Buy | 29,136 | $231,923 |
| 2025-06-17 | CareDx, Inc. (CDNA) | Director | Buy | 12,103 | $0 |
| 2025-03-12 | CareDx, Inc. (CDNA) | Director | Sell | 20,000 | $367,200 |
Source: SEC Form 4 filings · as of 2026-06-16