Riggsbee Richard Bryan (CIK 1621899) reported 3 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-06-16). Recent activity: Buy CDNA (9,795 shares), Buy NEOG (178,855 shares), Buy CDNA (12,103 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-16 | CareDx, Inc. (CDNA) | Director | Buy | 9,795 | $0 |
| 2025-11-05 | NEOGEN CORP (NEOG) | CFO | Buy | 178,855 | $1.1M |
| 2025-06-17 | CareDx, Inc. (CDNA) | Director | Buy | 12,103 | $0 |
Source: SEC Form 4 filings · as of 2026-06-16