There have been 50 recent insider transactions recorded for BioAtla, Inc. (BCAB), including 19 buys and 31 sells. Total insider buying was valued at RSU Award and total insider selling at $86.62K.
Notable insiders with recent activity include Short Jay M Phd, Sievers Eric, Vasquez Christian. Insider transactions can provide insights into how company leadership views the stock's valuation and future prospects.
Insider Transactions — BCAB
| Date |
Name |
Role |
Transaction |
Shares |
Avg. Price |
Value |
Shares Owned |
| 2026-03-11 |
Short Jay M Phd |
Chief Executive Officer |
RSU Award |
430,000 |
- |
- |
2,659,603 |
| 2026-03-10 |
Sievers Eric |
Chief Medical Officer |
RSU Award |
240,000 |
- |
- |
598,705 |
| 2026-03-10 |
Vasquez Christian |
Chief Financial Officer |
RSU Award |
240,000 |
- |
- |
530,196 |
| 2026-02-28 |
Short Jay M Phd |
Chief Executive Officer |
Tax Withholding of RSU |
7,728 |
$0.25 |
$1.91K |
2,229,603 |
| 2026-02-28 |
Waldron Richard A |
Former Chief Financial Officer |
Tax Withholding of RSU |
2,729 |
$0.25 |
$674.06 |
343,421 |
| 2026-02-28 |
Sievers Eric |
Chief Medical Officer |
Tax Withholding of RSU |
3,140 |
$0.25 |
$775.58 |
358,705 |
| 2026-02-28 |
Vasquez Christian |
Chief Financial Officer |
Tax Withholding of RSU |
1,802 |
$0.25 |
$445.09 |
290,196 |
| 2025-11-30 |
Short Jay M Phd |
10 Percent Owner, Officer: Chief Executive Officer |
Tax Withholding of RSU |
6,347 |
$0.90 |
$5.74K |
2,237,331 |
| 2025-11-30 |
Waldron Richard A |
Chief Financial Officer |
Tax Withholding of RSU |
2,371 |
$0.90 |
$2.14K |
346,150 |
| 2025-11-30 |
Sievers Eric |
Chief Medical Officer |
Tax Withholding of RSU |
2,729 |
$0.90 |
$2.47K |
361,845 |
| 2025-11-30 |
Vasquez Christian |
See Remarks |
Tax Withholding of RSU |
1,566 |
$0.90 |
$1.42K |
291,998 |
| 2025-08-31 |
Short Jay M Phd |
10 Percent Owner, Officer: Chief Executive Officer |
Tax Withholding of RSU |
6,347 |
$0.46 |
$2.89K |
2,243,678 |
| 2025-08-31 |
Waldron Richard A |
Chief Financial Officer |
Tax Withholding of RSU |
2,371 |
$0.46 |
$1.08K |
338,521 |
| 2025-08-31 |
Sievers Eric |
Chief Medical Officer |
Tax Withholding of RSU |
2,729 |
$0.46 |
$1.24K |
364,574 |
| 2025-08-31 |
Vasquez Christian |
See Remarks |
Tax Withholding of RSU |
1,566 |
$0.46 |
$713.31 |
283,564 |
| 2025-06-18 |
Steinman Lawrence |
Director |
RSU Award |
23,500 |
- |
- |
78,459 |
| 2025-06-18 |
Gray Mary Ann |
Director |
RSU Award |
23,500 |
- |
- |
77,397 |
| 2025-06-18 |
Mcbrinn Sylvia |
Director |
RSU Award |
23,500 |
- |
- |
59,125 |
| 2025-06-18 |
Smith Scott Andrew |
Director |
RSU Award |
23,500 |
- |
- |
321,550 |
| 2025-06-18 |
Williams Eddie |
Director |
RSU Award |
23,500 |
- |
- |
60,200 |
| 2025-06-18 |
Moran Susan |
Director |
RSU Award |
23,500 |
- |
- |
52,307 |
| 2025-05-31 |
Short Jay M Phd |
10 Percent Owner, Officer: Chief Executive Officer |
Tax Withholding of RSU |
6,347 |
$0.41 |
$2.6K |
2,250,025 |
| 2025-05-31 |
Waldron Richard A |
Chief Financial Officer |
Tax Withholding of RSU |
2,371 |
$0.41 |
$969.74 |
340,892 |
| 2025-05-31 |
Sievers Eric |
Chief Medical Officer |
Tax Withholding of RSU |
2,729 |
$0.41 |
$1.12K |
367,303 |
| 2025-05-31 |
Vasquez Christian |
See Remarks |
Tax Withholding of RSU |
1,566 |
$0.41 |
$640.49 |
285,130 |
| 2025-03-12 |
Short Jay M Phd |
10 Percent Owner, Officer: Chief Executive Officer |
RSU Award |
431,000 |
- |
- |
2,256,372 |
| 2025-03-11 |
Waldron Richard A |
Chief Financial Officer |
RSU Award |
100,000 |
- |
- |
333,263 |
| 2025-03-11 |
Sievers Eric |
Chief Medical Officer |
RSU Award |
175,000 |
- |
- |
370,032 |
| 2025-03-11 |
Vasquez Christian |
See Remarks |
RSU Award |
85,000 |
- |
- |
276,696 |
| 2025-02-16 |
Short Jay M Phd |
10 Percent Owner, Officer: Chief Executive Officer |
Tax Withholding of RSU |
30,911 |
$0.46 |
$14.22K |
1,825,372 |
| 2025-02-15 |
Waldron Richard A |
Chief Financial Officer |
Tax Withholding of RSU |
10,887 |
$0.46 |
$5.01K |
233,263 |
| 2025-02-15 |
Sievers Eric |
Chief Medical Officer |
Tax Withholding of RSU |
12,530 |
$0.46 |
$5.76K |
195,032 |
| 2025-02-15 |
Vasquez Christian |
See Remarks |
Tax Withholding of RSU |
7,189 |
$0.46 |
$3.31K |
191,696 |
| 2024-08-31 |
Smith Scott Andrew |
Director |
Tax Withholding of RSU |
2,181 |
$1.77 |
$3.86K |
298,050 |
| 2024-08-31 |
Sievers Eric |
Chief Medical Officer |
Tax Withholding of RSU |
572 |
$1.77 |
$1.01K |
207,562 |
| 2024-07-31 |
Smith Scott Andrew |
Director |
Tax Withholding of RSU |
2,181 |
$1.81 |
$3.95K |
300,231 |
| 2024-07-31 |
Sievers Eric |
Chief Medical Officer |
Tax Withholding of RSU |
572 |
$1.81 |
$1.04K |
208,134 |
| 2024-06-30 |
Smith Scott Andrew |
Director |
Tax Withholding of RSU |
2,181 |
$1.37 |
$2.99K |
302,412 |
| 2024-06-30 |
Sievers Eric |
Chief Medical Officer |
Tax Withholding of RSU |
572 |
$1.37 |
$783.64 |
208,706 |
| 2024-06-13 |
Steinman Lawrence |
Director |
RSU Award |
16,500 |
- |
- |
54,959 |
| 2024-06-13 |
Gray Mary Ann |
Director |
RSU Award |
16,500 |
- |
- |
53,897 |
| 2024-06-13 |
Mcbrinn Sylvia |
Director |
RSU Award |
16,500 |
- |
- |
35,625 |
| 2024-06-13 |
Smith Scott Andrew |
Director |
RSU Award |
16,500 |
- |
- |
304,593 |
| 2024-06-13 |
Williams Eddie |
Director |
RSU Award |
16,500 |
- |
- |
36,700 |
| 2024-06-13 |
Moran Susan |
Director |
RSU Award |
16,500 |
- |
- |
28,807 |
| 2024-05-31 |
Smith Scott Andrew |
Director |
Tax Withholding of RSU |
2,181 |
$1.51 |
$3.29K |
288,093 |
| 2024-05-31 |
Sievers Eric |
Chief Medical Officer |
Tax Withholding of RSU |
572 |
$1.51 |
$863.72 |
209,278 |
| 2024-04-30 |
Smith Scott Andrew |
Director |
Tax Withholding of RSU |
2,181 |
$2.26 |
$4.93K |
290,274 |
| 2024-04-30 |
Sievers Eric |
Chief Medical Officer |
Tax Withholding of RSU |
572 |
$2.26 |
$1.29K |
209,850 |
| 2024-03-31 |
Smith Scott Andrew |
Director |
Tax Withholding of RSU |
2,181 |
$3.44 |
$7.5K |
292,455 |
■ Informative Buy/Sell — open market transaction (most significant)
■ Uninformative Buy — award, option exercise, conversion
■ Uninformative Sell — tax withholding, award vest sale
■ Neutral — gift, trust, expiry
