| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| GRAY MARY ANN | Director | C/O BIOATLA, INC. 11085 TORREYANA ROAD, SAN DIEGO | /s/ Christian Vasquez, as Attorney-in-Fact for Mary Ann Gray | 2025-06-18 | 0001261974 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | BCAB | Common Stock | Award | $0 | +23.5K | +43.6% | $0.00 | 77.4K | Jun 18, 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Represents shares of Common Stock underlying a time-based restricted stock unit award ("RSU"). The RSU will vest as to 100% of the total number of shares on the earlier of (i) June 18, 2026, or (ii) the next Company annual meeting of stockholders, subject to the reporting person's continued service through the vesting date. |