Key facts
- This page summarizes Jay M. Short PhD's Form 4 filing for BioAtla, Inc. (BCAB).
- 2 reported transactions and 0 derivative rows are listed below.
- Accepted by SEC: 05 Jun 2026, 16:30.
Jay M. Short PhD - 12 Mar 2026 Form 4 Insider Report for BioAtla, Inc. (BCAB)
- Reporting relationship
- Chief Executive Officer, Director
- Issuer ticker
- BCAB
- Reported as of
- 12 Mar 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 05 Jun 2026, 16:30:05 UTC
- Prior SEC filing
- 12 Mar 2026
- Source filing
- View source filing
- Reporting owner signature
- Christian Vasquez, as Attorney-in-Fact for Jay M. Short
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Jay M. Short PhD filed Form 4 for BioAtla, Inc. (BCAB) on 05 Jun 2026.
Change
- Previous filing in this sequence was filed on 12 Mar 2026.
- Current net transaction value: $0.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001205375
Primary reporting owner
SHORT JAY M PHD
- Relationship
- Chief Executive Officer, Director
- Address
- C/O BIOATLA, INC. 11085 TORREYANA ROAD, SAN DIEGO
- Signature
- Christian Vasquez, as Attorney-in-Fact for Jay M. Short
- Signature date
- 05 Jun 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
BCAB
transaction
Common Stock
Tax liability
- Transaction value
- Shares
- -639
- Change %
- -1.2%
- Price
- $0.1680*
- Shares after
- 52,553
- Date
- 12 Mar 2026
- Ownership
- Direct
- Footnotes
- F1, F2
BCAB
transaction
Common Stock
Tax liability
- Transaction value
- Shares
- -259
- Change %
- -0.49%
- Price
- $3.93*
- Shares after
- 52,294
- Date
- 31 May 2026
- Ownership
- Direct
- Footnotes
- F1, F2
BCAB
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 15,870
- Date
- 12 Mar 2026
- Ownership
- By Spouse
- Footnotes
- F2
BCAB
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 5,174
- Date
- 12 Mar 2026
- Ownership
- By Carolyn Short 2020 Irrevocable Gift Trust
- Footnotes
- F2
BCAB
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 5,174
- Date
- 12 Mar 2026
- Ownership
- By Jay Short 2020 Irrevocable Gift Trust
- Footnotes
- F2
BCAB
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 6,046
- Date
- 12 Mar 2026
- Ownership
- By Capia IP, LLC
- Footnotes
- F2
BCAB
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 1
- Date
- 12 Mar 2026
- Ownership
- By Himalaya Parent LLC
- Footnotes
- F2, F3
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 3 footnotes
Footnote F1
This transaction is not a sale of shares by the Reporting Person. Instead, this represents shares that have been withheld by the Issuer to satisfy its income tax and withholding and remittance obligations in connection with the vesting and net settlement of previously reported restricted stock units.
Footnote F2
Effective on April 6, 2026, the Issuer effected a 50-for-1 share consolidation of its common stock (the "Share Consolidation"). The amount of securities reported on this Form 4 has been adjusted to reflect the Share Consolidation.
Footnote F3
The Reporting Person and his spouse are the managers of Himalaya Parent LLC and collectively make investment decisions on the behalf of the entity. The Reporting Person and his spouse disclaim beneficial ownership of the reported securities except to the extent of his or her pecuniary interest therein.