10 insiders reported 34 Form 4 transactions for BioAtla, Inc. (BCAB) over the past 18 months (most recent 2026-09-02). Recent activity: Sievers Eric (Chief Medical Officer) Sell 134 shares, SHORT JAY M PHD (Chief Executive Officer) Sell 259 shares, Vasquez Christian (Chief Financial Officer) Sell 71 shares, SHORT JAY M PHD (Chief Executive Officer) Sell 639 shares, SHORT JAY M PHD (Chief Executive Officer) Sell 259 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-02 | Sievers Eric | Chief Medical Officer | Sell | 134 | $226 |
| 2026-09-02 | SHORT JAY M PHD | Chief Executive Officer | Sell | 259 | $438 |
| 2026-09-02 | Vasquez Christian | Chief Financial Officer | Sell | 71 | $120 |
| 2026-06-05 | SHORT JAY M PHD | Chief Executive Officer | Sell | 639 | $109 |
| 2026-06-05 | SHORT JAY M PHD | Chief Executive Officer | Sell | 259 | $1,018 |
| 2026-06-05 | Sievers Eric | Chief Medical Officer | Sell | 360 | $61 |
| 2026-06-05 | Sievers Eric | Chief Medical Officer | Sell | 134 | $527 |
| 2026-06-05 | Vasquez Christian | Chief Financial Officer | Sell | 175 | $30 |
| 2026-06-05 | Vasquez Christian | Chief Financial Officer | Sell | 82 | $322 |
| 2026-03-12 | Vasquez Christian | Chief Financial Officer | Buy | 240,000 | $0 |
| 2026-03-12 | Sievers Eric | Chief Medical Officer | Buy | 240,000 | $0 |
| 2026-03-12 | SHORT JAY M PHD | Chief Executive Officer | Buy | 430,000 | $0 |
| 2026-03-02 | Sievers Eric | Chief Medical Officer | Sell | 3,140 | $785 |
| 2026-03-02 | WALDRON RICHARD A | Former Chief Financial Officer | Sell | 2,729 | $682 |
| 2026-03-02 | SHORT JAY M PHD | Chief Executive Officer | Sell | 7,728 | $1,932 |
| 2026-03-02 | Vasquez Christian | Chief Financial Officer | Sell | 1,802 | $450 |
| 2025-12-01 | WALDRON RICHARD A | Chief Financial Officer | Sell | 2,371 | $2,134 |
| 2025-12-01 | Vasquez Christian | See Remarks | Sell | 1,566 | $1,409 |
| 2025-12-01 | Sievers Eric | Chief Medical Officer | Sell | 2,729 | $2,456 |
| 2025-12-01 | SHORT JAY M PHD | Chief Executive Officer | Sell | 6,347 | $5,712 |
| 2025-09-02 | WALDRON RICHARD A | Chief Financial Officer | Sell | 2,371 | $1,091 |
| 2025-09-02 | Vasquez Christian | Chief Accounting Officer, Corporate Controller and Secretary | Sell | 1,566 | $720 |
| 2025-09-02 | Sievers Eric | Chief Medical Officer | Sell | 2,729 | $1,255 |
| 2025-09-02 | SHORT JAY M PHD | Chief Executive Officer | Sell | 6,347 | $2,920 |
| 2025-06-18 | GRAY MARY ANN | Director | Buy | 23,500 | $0 |
来源：SEC Form 4 申报文件 · 截至 2026-09-02