SEC Form 4 · accession 0001193125-26-259702
BioAtla, Inc. · BCAB
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Jay M Short Ph.D.
Officer — Chief Executive Officer · Director
Period of report
Mar 12, 2026
Accepted (ET)
Jun 5, 2026 · 4:30 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001826892
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF2 | Mar 12, 2026 | F | 639 | $0.168 | D | 52,553 | D | |
| Common StockF2 | May 31, 2026 | F | 259 | $3.93 | D | 52,294 | D | |
| Common StockF2 | holding | — | — | — | 15,870 | I | By Spouse | |
| Common StockF2 | holding | — | — | — | 5,174 | I | By Carolyn Short 2020 Irrevocable Gift Trust | |
| Common StockF2 | holding | — | — | — | 5,174 | I | By Jay Short 2020 Irrevocable Gift Trust | |
| Common StockF2 | holding | — | — | — | 6,046 | I | By Capia IP, LLC | |
| Common StockF2,F3 | holding | — | — | — | 1 | I | By Himalaya Parent LLC |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1This 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.
- F2Effective 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.
- F3The 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.