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BioAtla, Inc.

BCAB Net selling
CIK 0001826892 #5430 in the set updated 21 Sep 2026
Bought (120 mo)
$40.36M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$52.10M
$0.00 on a plan · $188.57K straight out of an exercise
Sold at will
$51.91M
103 of 104 sales
Net
−$11.74M
−$11.55M against sales at will

By person

14 insiders · 125 transactions
Insider
Role
Bought
Sold
Net
Holding
Worth
Change
Cormorant Asset Management, LP entity
Former 10% Owner
$14.40M (1)
+$14.40M
2,292,060
$5.34M
Levy Guy
Former Director
$25.00M (2)
$37.34M (5)
−$12.34M
1,978,605
$4.61M
SHORT JAY M PHD
Chief Executive Officer
$612.71K (5)
$11.89M (30)
−$11.28M
84,300
$196.42K
Smith Scott Andrew
Director
$1.57M (18)
−$1.57M
321,550
$749.21K
−8.9%
WALDRON RICHARD A
Former Chief Financial Officer
$779.86K (15)
−$779.86K
343,421
$800.17K
+89.3%
Sievers Eric
Chief Medical Officer
$329.12K (17)
−$329.12K
11,346
$26.44K
MCBRINN SYLVIA
Director
$97.05K (7)
+$97.05K
59,125
$137.76K
+13,812%
Vasquez Christian
Chief Financial Officer
$214.15K (5)
$125.99K (15)
+$88.15K
10,476
$24.41K
STEINMAN LAWRENCE
Director
$41.05K (1)
$65.57K (4)
−$24.52K
78,459
$182.81K
+427.6%
PFIZER INC entity
10% owner
2,238,090
$5.21M
GRAY MARY ANN
Director
77,397
$180.34K
+528.9%
Williams Eddie
Director
60,200
$140.27K
Moran Susan
Director
52,307
$121.88K
+325.0%
Himalaya Parent LLC entity
10% owner
0
$0.00
−100.0%

No percentages here. This company's share count has moved by a factor of 46.3 over the window, from 1,269,286 to 58,792,088 shares. A split, a merger or a large issue changes what the company is, and a holding measured at one point in that run is not a fraction of it at another.

Insider
Date
Role
Action
Shares
Price
Amount
SHORT JAY M PHD
2 Dec 2021
Chief Executive Officer
Sell
96
$22.47
$2.16K
SHORT JAY M PHD
2 Dec 2021
Chief Executive Officer
Sell
4,715
$21.74
$102.51K
Sievers Eric
2 Dec 2021
Chief Medical Officer
Sell
16
$22.47
$359.54
Sievers Eric
2 Dec 2021
Chief Medical Officer
Sell
804
$21.74
$17.48K
Smith Scott Andrew
2 Dec 2021
President
Sell
59
$22.47
$1.33K
Smith Scott Andrew
2 Dec 2021
President
Sell
2,925
$21.74
$63.59K
Vasquez Christian
2 Dec 2021
See Remarks
Sell
4
$22.47
$89.88
Vasquez Christian
2 Dec 2021
See Remarks
Sell
196
$21.74
$4.26K
WALDRON RICHARD A
2 Dec 2021
Chief Financial Officer
Sell
29
$22.47
$651.66
WALDRON RICHARD A
2 Dec 2021
Chief Financial Officer
Sell
1,405
$21.74
$30.55K
SHORT JAY M PHD
1 Dec 2021
Chief Executive Officer
Sell
2,953
$24.22
$71.53K
SHORT JAY M PHD
1 Dec 2021
Chief Executive Officer
Sell
13,539
$23.27
$315.00K
SHORT JAY M PHD
1 Dec 2021
Chief Executive Officer
Sell
7,829
$22.19
$173.69K
Sievers Eric
1 Dec 2021
Chief Medical Officer
Sell
21
$24.22
$508.70
Sievers Eric
1 Dec 2021
Chief Medical Officer
Sell
96
$23.27
$2.23K
Sievers Eric
1 Dec 2021
Chief Medical Officer
Sell
56
$22.19
$1.24K
Smith Scott Andrew
1 Dec 2021
President
Sell
76
$24.22
$1.84K
Smith Scott Andrew
1 Dec 2021
President
Sell
350
$23.27
$8.14K
Smith Scott Andrew
1 Dec 2021
President
Sell
202
$22.19
$4.48K
Vasquez Christian
1 Dec 2021
See Remarks
Sell
123
$24.22
$2.98K
Vasquez Christian
1 Dec 2021
See Remarks
Sell
563
$23.27
$13.10K
Vasquez Christian
1 Dec 2021
See Remarks
Sell
325
$22.19
$7.21K
WALDRON RICHARD A
1 Dec 2021
Chief Financial Officer
Sell
880
$24.22
$21.32K
WALDRON RICHARD A
1 Dec 2021
Chief Financial Officer
Sell
4,034
$23.27
$93.86K
WALDRON RICHARD A
1 Dec 2021
Chief Financial Officer
Sell
2,332
$22.19
$51.74K
SHORT JAY M PHD
30 Nov 2021
Chief Executive Officer
Sell
2,845
$25.38
$72.20K
SHORT JAY M PHD
30 Nov 2021
Chief Executive Officer
Sell
8,126
$24.68
$200.52K
SHORT JAY M PHD
30 Nov 2021
Chief Executive Officer
Sell
7,519
$24.00
$180.43K
Sievers Eric
30 Nov 2021
Chief Medical Officer
Sell
20
$25.38
$507.58
Sievers Eric
30 Nov 2021
Chief Medical Officer
Sell
58
$24.68
$1.43K
Sievers Eric
30 Nov 2021
Chief Medical Officer
Sell
53
$24.00
$1.27K
Smith Scott Andrew
30 Nov 2021
President
Sell
74
$25.38
$1.88K
Smith Scott Andrew
30 Nov 2021
President
Sell
210
$24.68
$5.18K
Smith Scott Andrew
30 Nov 2021
President
Sell
194
$24.00
$4.66K
Vasquez Christian
30 Nov 2021
See Remarks
Sell
118
$25.38
$2.99K
Vasquez Christian
30 Nov 2021
See Remarks
Sell
338
$24.68
$8.34K
Vasquez Christian
30 Nov 2021
See Remarks
Sell
312
$24.00
$7.49K
WALDRON RICHARD A
30 Nov 2021
Chief Financial Officer
Sell
848
$25.38
$21.52K
WALDRON RICHARD A
30 Nov 2021
Chief Financial Officer
Sell
2,422
$24.68
$59.77K
WALDRON RICHARD A
30 Nov 2021
Chief Financial Officer
Sell
2,240
$24.00
$53.75K
SHORT JAY M PHD
29 Nov 2021
Chief Executive Officer
Sell
15,435
$23.89
$368.74K
Sievers Eric
29 Nov 2021
Chief Medical Officer
Sell
110
$23.89
$2.63K
Smith Scott Andrew
29 Nov 2021
President
Sell
399
$23.89
$9.53K
Vasquez Christian
29 Nov 2021
See Remarks
Sell
642
$23.89
$15.34K
WALDRON RICHARD A
29 Nov 2021
Chief Financial Officer
Sell
4,599
$23.89
$109.87K
SHORT JAY M PHD
24 Nov 2021
Chief Executive Officer
Sell
4,859
$25.77
$125.22K
SHORT JAY M PHD
24 Nov 2021
Chief Executive Officer
Sell
5,852
$25.00
$146.29K
SHORT JAY M PHD
24 Nov 2021
Chief Executive Officer
Sell
6,311
$24.05
$151.80K
Sievers Eric
24 Nov 2021
Chief Medical Officer
Sell
37
$25.77
$953.53
Sievers Eric
24 Nov 2021
Chief Medical Officer
Sell
44
$25.00
$1.10K
Sievers Eric
24 Nov 2021
Chief Medical Officer
Sell
48
$24.05
$1.15K
Smith Scott Andrew
24 Nov 2021
President
Sell
133
$25.77
$3.43K
Smith Scott Andrew
24 Nov 2021
President
Sell
160
$25.00
$4.00K
Smith Scott Andrew
24 Nov 2021
President
Sell
173
$24.05
$4.16K
Vasquez Christian
24 Nov 2021
See Remarks
Sell
214
$25.77
$5.51K
Vasquez Christian
24 Nov 2021
See Remarks
Sell
258
$25.00
$6.45K
Vasquez Christian
24 Nov 2021
See Remarks
Sell
278
$24.05
$6.69K
WALDRON RICHARD A
24 Nov 2021
Chief Financial Officer
Sell
1,124
$25.77
$28.97K
WALDRON RICHARD A
24 Nov 2021
Chief Financial Officer
Sell
1,354
$25.00
$33.85K
WALDRON RICHARD A
24 Nov 2021
Chief Financial Officer
Sell
1,459
$24.05
$35.09K
SHORT JAY M PHD
23 Nov 2021
Chief Executive Officer
Sell
9,082
$26.04
$236.45K
SHORT JAY M PHD
23 Nov 2021
Chief Executive Officer
Sell
15,861
$24.29
$385.18K
Sievers Eric
23 Nov 2021
Chief Medical Officer
Sell
68
$26.04
$1.77K
Sievers Eric
23 Nov 2021
Chief Medical Officer
Sell
119
$24.29
$2.89K
Smith Scott Andrew
23 Nov 2021
President
Sell
249
$26.04
$6.48K
Smith Scott Andrew
23 Nov 2021
President
Sell
435
$24.29
$10.56K
Vasquez Christian
23 Nov 2021
See Remarks
Sell
401
$26.04
$10.44K
Vasquez Christian
23 Nov 2021
See Remarks
Sell
699
$24.29
$16.98K
WALDRON RICHARD A
23 Nov 2021
Chief Financial Officer
Sell
2,101
$26.04
$54.70K
WALDRON RICHARD A
23 Nov 2021
Chief Financial Officer
Sell
3,669
$24.29
$89.10K
SHORT JAY M PHD
22 Nov 2021
Chief Executive Officer
Sell
15,675
$26.24
$411.23K
Sievers Eric
22 Nov 2021
Chief Medical Officer
Sell
118
$26.24
$3.10K
Smith Scott Andrew
22 Nov 2021
President
Sell
430
$26.24
$11.28K
Vasquez Christian
22 Nov 2021
See Remarks
Sell
691
$26.24
$18.13K
WALDRON RICHARD A
22 Nov 2021
Chief Financial Officer
Sell
3,626
$26.24
$95.13K
STEINMAN LAWRENCE
2 Nov 2021
Director
Sell
450
$30.00
$13.50K
Sievers Eric
1 Oct 2021
Chief Medical Officer
Sell
592
$30.39
$17.99K
Smith Scott Andrew
1 Oct 2021
President
Sell
2,994
$30.18
$90.35K
STEINMAN LAWRENCE
15 Sep 2021
Director
Sell
450
$36.82
$16.57K
Sievers Eric
26 Aug 2021
Chief Medical Officer
Sell
6,883
$39.59
$272.50K
Smith Scott Andrew
26 Aug 2021
President
Sell
13,849
$40.89
$566.23K
Smith Scott Andrew
26 Aug 2021
President
Sell
19,395
$39.63
$768.70K
Levy Guy
24 Aug 2021
Director
Sell indirect
207,640
$39.65
$8.23M
Levy Guy
24 Aug 2021
Director
Sell indirect
53,195
$39.65
$2.11M
Levy Guy
24 Aug 2021
Director
Sell indirect
285,874
$39.65
$11.33M
STEINMAN LAWRENCE
16 Aug 2021
Director
Sell
450
$40.60
$18.27K
STEINMAN LAWRENCE
15 Jul 2021
Director
Sell
450
$38.29
$17.23K
SHORT JAY M PHD
21 Jun 2021
Chief Executive Officer
Sell indirect
1,700
$39.89
$67.82K
SHORT JAY M PHD
21 Jun 2021
Chief Executive Officer
Sell indirect
35,725
$39.54
$1.41M
SHORT JAY M PHD
21 Jun 2021
Chief Executive Officer
Sell indirect
17,575
$38.24
$672.15K
Levy Guy
17 Jun 2021
Director
Sell indirect
62,780
$39.16
$2.46M
Levy Guy
17 Jun 2021
Director
Sell indirect
337,220
$39.16
$13.21M
SHORT JAY M PHD
17 Jun 2021
Chief Executive Officer
Sell indirect
19,269
$39.22
$755.75K
SHORT JAY M PHD
16 Jun 2021
Chief Executive Officer
Sell indirect
4,068
$40.08
$163.06K
SHORT JAY M PHD
16 Jun 2021
Chief Executive Officer
Sell indirect
31,349
$39.33
$1.23M
SHORT JAY M PHD
15 Jun 2021
Chief Executive Officer
Sell indirect
2
$41.01
$82.02
SHORT JAY M PHD
15 Jun 2021
Chief Executive Officer
Sell indirect
12,348
$40.27
$497.30K
SHORT JAY M PHD
15 Jun 2021
Chief Executive Officer
Sell indirect
19,673
$39.36
$774.27K
SHORT JAY M PHD
14 Jun 2021
Chief Executive Officer
Sell indirect
1,807
$44.47
$80.36K
SHORT JAY M PHD
14 Jun 2021
Chief Executive Officer
Sell indirect
1,100
$43.50
$47.84K
SHORT JAY M PHD
14 Jun 2021
Chief Executive Officer
Sell indirect
3,070
$42.24
$129.69K
SHORT JAY M PHD
14 Jun 2021
Chief Executive Officer
Sell indirect
2,654
$41.66
$110.56K
SHORT JAY M PHD
14 Jun 2021
Chief Executive Officer
Sell indirect
70,066
$40.22
$2.82M

What was left out

Form 4 filings counted 272
Amendments (4/A) skipped 4
Filings about a different issuer 0
Unreadable filings 0
Joint filings 2
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 1
Sales at will 103
Transactions with no price 0
Shares from compensation/vesting 20,151,387
Sales filed before the plan box existed 103
History held since 17 Dec 2020