BioAtla CEO has 259 shares withheld for taxes
BioAtla CEO Jay M. Short had 259 shares withheld for taxes on RSU vesting, leaving 52,035 shares held directly plus multiple indirect positions.
Rhea-AI Filing Summary
BioAtla, Inc. (BCAB) reported that Chief Executive Officer and director Jay M. Short, Ph.D., had 259 shares of common stock withheld on August 31, 2026 to pay income tax and related withholding obligations arising from the vesting and net settlement of previously reported restricted stock units. The company states this is not a sale of shares by Dr. Short. After this tax-withholding disposition, he holds 52,035 common shares directly and additional indirect holdings through his spouse, several 2020 irrevocable gift trusts, Capia IP, LLC, and Himalaya Parent LLC, with beneficial ownership of the latter disclaimed except to the extent of his or his spouse’s pecuniary interest. No Rule 10b5-1 trading plan is reported.
Positive
- None.
Negative
- None.
Insider Trade Summary
Tax Withholding: 259 shares
Tax Withholding
6 txns
Insider
SHORT JAY M PHD
Role
Chief Executive Officer
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Tax Withholding | Common Stock F1 | 259 | $1.69 | $437.71 |
| holding | Common Stock | -- | -- | -- |
| holding | Common Stock | -- | -- | -- |
| holding | Common Stock | -- | -- | -- |
| holding | Common Stock | -- | -- | -- |
| holding | Common Stock F2 | -- | -- | -- |
Holdings After Transaction:
Common Stock — 52,035 shares (Direct);
Common Stock — 15,870 shares (Indirect, By Spouse);
Common Stock — 5,174 shares (Indirect, By Carolyn Short 2020 Irrevocable Gift Trust);
Common Stock — 5,174 shares (Indirect, By Jay Short 2020 Irrevocable Gift Trust);
Common Stock — 6,046 shares (Indirect, By Capia IP, LLC);
Common Stock — 1 shares (Indirect, By Himalaya Parent LLC)
Footnotes (2)
- 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.
- F2. 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.
Key Figures
Shares withheld for taxes: 259 shares
Per-share withholding value: $1.69 per share
Direct holdings after transaction: 52,035 shares
+4 more
7 metrics
Shares withheld for taxes
259 shares
Common stock withheld on August 31, 2026 to satisfy tax and withholding obligations
Per-share withholding value
$1.69 per share
Value used for the 259-share tax-withholding disposition on August 31, 2026
Direct holdings after transaction
52,035 shares
BioAtla common stock held directly by Jay M. Short after August 31, 2026 event
Indirect holdings by spouse
15,870 shares
Common stock held indirectly through Jay M. Short’s spouse as of August 31, 2026
Indirect holdings by each 2020 Irrevocable Gift Trust
5,174 shares
Common stock held by each of the Carolyn Short and Jay Short 2020 Irrevocable Gift Trusts
Indirect holdings by Capia IP, LLC
6,046 shares
Common stock reported as held indirectly through Capia IP, LLC
Indirect holdings by Himalaya Parent LLC
1 share
Common stock held by Himalaya Parent LLC, with beneficial ownership disclaimed except for pecuniary interest
Key Terms
restricted stock units, withheld by the Issuer, income tax and withholding and remittance obligations, pecuniary interest, +1 more
5 terms
restricted stock units financial
"in connection with the vesting and net settlement of previously reported restricted stock units"
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
withheld by the Issuer financial
"represents shares that have been withheld by the Issuer to satisfy its income tax"
income tax and withholding and remittance obligations financial
"to satisfy its income tax and withholding and remittance obligations in connection"
pecuniary interest financial
"disclaim beneficial ownership of the reported securities except to the extent of his or her pecuniary interest"
beneficial ownership financial
"disclaim beneficial ownership of the reported securities except to the extent"
Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.
FAQ
What did BioAtla (BCAB) disclose about Jay M. Short’s Form 4 transaction on August 31, 2026?
Jay M. Short had 259 BioAtla common shares withheld on August 31, 2026 to satisfy income tax and withholding obligations related to vesting restricted stock units. The company specifies this is not a market sale of shares by Dr. Short.
Were Jay M. Short’s BioAtla (BCAB) transactions under a Rule 10b5-1 trading plan?
No. The filing’s Rule 10b5-1 checkbox is not checked, and no footnote states that the August 31, 2026 tax-withholding event was executed under a Rule 10b5-1 trading plan.
What does the Form 4 say about Jay M. Short’s beneficial ownership in Himalaya Parent LLC’s BioAtla (BCAB) shares?
The filing states Jay M. Short and his spouse manage Himalaya Parent LLC and make investment decisions, but they disclaim beneficial ownership of the reported securities except to the extent of his or her pecuniary interest.
AI-generated analysis. How Rhea-AI works. Not financial advice.
