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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
MCBRINN SYLVIA
26 Dec 2023
Director
Buy
4,000
$2.33
$9.32K
SHORT JAY M PHD
20 Dec 2023
Chief Executive Officer
Buy
50,000
$2.14
$106.91K
Vasquez Christian
19 Dec 2023
See Remarks
Buy
7,495
$2.04
$15.26K
STEINMAN LAWRENCE
19 Dec 2023
Director
Buy
20,000
$2.05
$41.05K
MCBRINN SYLVIA
8 Sep 2023
Director
Buy
2,000
$2.54
$5.08K
SHORT JAY M PHD
29 Mar 2023
Chief Executive Officer
Buy
40,800
$2.47
$100.86K
Vasquez Christian
28 Mar 2023
See Remarks
Buy
20,000
$2.40
$47.97K
MCBRINN SYLVIA
28 Mar 2023
Director
Buy
4,000
$2.35
$9.40K
MCBRINN SYLVIA
19 Dec 2022
Director
Buy
3,700
$8.33
$30.81K
MCBRINN SYLVIA
22 Nov 2022
Director
Buy
2,000
$8.27
$16.54K
MCBRINN SYLVIA
13 Sep 2022
Director
Buy
1,000
$8.20
$8.20K
MCBRINN SYLVIA
12 Sep 2022
Director
Buy
2,000
$8.85
$17.70K
SHORT JAY M PHD
12 Aug 2022
Chief Executive Officer
Buy
26,350
$7.84
$206.60K
SHORT JAY M PHD
22 Jun 2022
Chief Executive Officer
Buy
40,308
$2.91
$117.30K
SHORT JAY M PHD
21 Jun 2022
Chief Executive Officer
Buy
29,082
$2.79
$81.04K
Vasquez Christian
9 Jun 2022
See Remarks
Buy
10,000
$2.97
$29.72K
Vasquez Christian
8 Jun 2022
See Remarks
Buy
25,848
$3.02
$78.19K
Vasquez Christian
7 Jun 2022
See Remarks
Buy
14,152
$3.04
$43.01K
Cormorant Asset Management, LP
18 Dec 2020
Former 10% Owner
Buy indirect
800,000
$18.00
$14.40M
Levy Guy
18 Dec 2020
Director
Buy indirect
333,333
$18.00
$6.00M
Levy Guy
18 Dec 2020
Director
Buy indirect
1,055,557
$18.00
$19.00M

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