WALDRON RICHARD A (CIK 1226961) reported 6 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-03-02). Recent activity: Sell BCAB (2,729 shares), Sell BCAB (2,371 shares), Sell BCAB (2,371 shares), Sell BCAB (2,371 shares), Buy BCAB (100,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-02 | BioAtla, Inc. (BCAB) | Former Chief Financial Officer | Sell | 2,729 | $682 |
| 2025-12-01 | BioAtla, Inc. (BCAB) | Chief Financial Officer | Sell | 2,371 | $2,134 |
| 2025-09-02 | BioAtla, Inc. (BCAB) | Chief Financial Officer | Sell | 2,371 | $1,091 |
| 2025-06-03 | BioAtla, Inc. (BCAB) | Chief Financial Officer | Sell | 2,371 | $972 |
| 2025-03-13 | BioAtla, Inc. (BCAB) | Chief Financial Officer | Buy | 100,000 | $0 |
| 2025-02-24 | BioAtla, Inc. (BCAB) | Chief Financial Officer | Sell | 10,887 | $5,008 |
Source: SEC Form 4 filings · as of 2026-03-02