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person · Reporting owner

SHORT JAY M PHD

Disclosed activity across 1 company

Tapewire entity
885
SEC CIK
0001205375

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
BioAtla, Inc.BCAB · Entity 879Director · Chief Executive OfficerAugust 31, 2026September 02, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

BioAtla, Inc.

Report date August 31, 2026 · Filed September 02, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect52,035 Reported balance After 2026-08-31 transaction · row 1
1 source row

Row 1 · 2026-08-31 · Tax withholding · Disposed 259 · Balance 52,035

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.

Common StockSEC Table I · non-derivativeIndirectBy Spouse15,870 Reported balance Holding disclosure · report date 2026-08-31 · row 2 Holding and transaction disclosures are not merged.
1 source row

Row 2 · Balance 15,870

Common StockSEC Table I · non-derivativeIndirectBy Carolyn Short 2020 Irrevocable Gift Trust5,174 Reported balance Holding disclosure · report date 2026-08-31 · row 3 Holding and transaction disclosures are not merged.
1 source row

Row 3 · Balance 5,174

Common StockSEC Table I · non-derivativeIndirectBy Jay Short 2020 Irrevocable Gift Trust5,174 Reported balance Holding disclosure · report date 2026-08-31 · row 4 Holding and transaction disclosures are not merged.
1 source row

Row 4 · Balance 5,174

Common StockSEC Table I · non-derivativeIndirectBy Capia IP, LLC6,046 Reported balance Holding disclosure · report date 2026-08-31 · row 5 Holding and transaction disclosures are not merged.
1 source row

Row 5 · Balance 6,046

Common StockSEC Table I · non-derivativeIndirectBy Himalaya Parent LLC1 Reported balance Holding disclosure · report date 2026-08-31 · row 6 Holding and transaction disclosures are not merged.
1 source row

Row 6 · Balance 1

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.

Filing footnotes · ownership attribution and instrument terms

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.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
August 31, 2026 Filed Sep 2, 2026 21:27 UTC BioAtla, Inc. BCAB · Entity 879 Tax withholdingCommon Stock 259 $1.69 $437.71
Disclosure

SEC source: 0001193125-26-380482 · ownership.xml · nonDerivative · entry 1

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 52,035

F1 · kind: 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.

Read SEC document
May 31, 2026 Filed Jun 5, 2026 20:30 UTC BioAtla, Inc. BCAB · Entity 879 Tax withholdingCommon Stock 259 $3.93 $1,017.87
Disclosure

SEC source: 0001193125-26-259702 · ownership.xml · nonDerivative · entry 2

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 52,294

F1 · kind: 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 · balance_after: 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.

Read SEC document
March 12, 2026 Filed Jun 5, 2026 20:30 UTC BioAtla, Inc. BCAB · Entity 879 Tax withholdingCommon Stock 639 $0.17 $107.35
Disclosure

SEC source: 0001193125-26-259702 · ownership.xml · nonDerivative · entry 1

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 52,553

F1 · kind: 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 · balance_after: 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.

Read SEC document
March 11, 2026 Filed Mar 12, 2026 20:07 UTC BioAtla, Inc. BCAB · Entity 879 GrantCommon Stock 430,000 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-104134 · ownership.xml · nonDerivative · entry 1

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,659,603

F1 · shares: Represents shares of Common Stock underlying a time-based restricted stock unit award ("RSU"). The RSU will vest as to 25% of the total number of shares on March 11, 2027, and thereafter, 6.25% of the total number of shares subject to the RSU shall vest on the last day of each May, August, November and February, subject to the reporting person's continued service through the applicable vesting date.

Read SEC document
February 28, 2026 Filed Mar 2, 2026 23:14 UTC BioAtla, Inc. BCAB · Entity 879 Tax withholdingCommon Stock 7,728 $0.25 $1,908.82
Disclosure

SEC source: 0001193125-26-085971 · ownership.xml · nonDerivative · entry 1

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,229,603

F1 · kind: 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.

Read SEC document
November 30, 2025 Filed Dec 1, 2025 23:35 UTC BioAtla, Inc. BCAB · Entity 879 Tax withholdingCommon Stock 6,347 $0.90 $5,737.69
Disclosure

SEC source: 0001193125-25-304171 · ownership.xml · nonDerivative · entry 1

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,237,331

F1 · kind: 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.

Read SEC document
August 31, 2025 Filed Sep 2, 2025 23:09 UTC BioAtla, Inc. BCAB · Entity 879 Tax withholdingCommon Stock 6,347 $0.46 $2,891.06
Disclosure

SEC source: 0000950170-25-112618 · ownership.xml · nonDerivative · entry 1

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,243,678

F1 · kind: 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.

Read SEC document
May 31, 2025 Filed Jun 3, 2025 20:31 UTC BioAtla, Inc. BCAB · Entity 879 Tax withholdingCommon Stock 6,347 $0.41 $2,595.92
Disclosure

SEC source: 0000950170-25-080994 · ownership.xml · nonDerivative · entry 1

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,250,025

F1 · kind: 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.

Read SEC document
March 12, 2025 Filed Mar 13, 2025 20:12 UTC BioAtla, Inc. BCAB · Entity 879 GrantCommon Stock 431,000 $0.00 $0.00
Disclosure

SEC source: 0000950170-25-038746 · ownership.xml · nonDerivative · entry 1

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,256,372

F1 · shares: Represents shares of Common Stock underlying a time-based restricted stock unit award ("RSU"). The RSU will vest as to 25% of the total number of shares on March 11, 2026, and thereafter, 6.25% of the total number of shares subject to the RSU shall vest on the last day of each May, August, November and February so long as the reporting person remains a service provider.

Read SEC document
February 16, 2025 Filed Feb 25, 2025 01:31 UTC BioAtla, Inc. BCAB · Entity 879 Tax withholdingCommon Stock 30,911 $0.46 $14,219.06
Disclosure

SEC source: 0000950170-25-025969 · ownership.xml · nonDerivative · entry 1

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,825,372

F1 · kind: 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.

Read SEC document
February 16, 2024 Filed Feb 20, 2024 21:19 UTC BioAtla, Inc. BCAB · Entity 879 GrantCommon Stock 417,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-24-003507 · doc4.xml · nonDerivative · entry 1

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,856,283

F1 · shares: Represents shares of Common Stock underlying a time-based restricted stock unit award ("RSU"). The RSU will vest as to 25% of the total number of shares on February 16, 2025, and the remainder in equal quarterly installments over the three years thereafter, subject to the reporting person's continued service through the applicable vesting date.

Read SEC document
December 20, 2023 Filed Dec 20, 2023 23:27 UTC BioAtla, Inc. BCAB · Entity 879 PurchaseCommon Stock 50,000 $2.14 $106,910.00
Disclosure

SEC source: 0001209191-23-059387 · doc4.xml · nonDerivative · entry 1

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,439,283

F1 · price: The range of prices for the shares of Common Stock is from $2.02 to $2.215. The Reporting Person undertakes that he will provide, upon request by the staff of the U.S. Securities and Exchange Commission, full information regarding the number of securities purchased at each separate price.

Read SEC document
October 31, 2023 Filed Nov 2, 2023 16:28 UTC BioAtla, Inc. BCAB · Entity 879 Tax withholdingCommon Stock 2,888 $1.47 $4,245.36
Disclosure

SEC source: 0001209191-23-054075 · doc4.xml · nonDerivative · entry 1

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,389,283

F1 · kind: 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.

Read SEC document
September 30, 2023 Filed Oct 2, 2023 22:07 UTC BioAtla, Inc. BCAB · Entity 879 Tax withholdingCommon Stock 2,888 $1.70 $4,909.60
Disclosure

SEC source: 0001209191-23-051187 · doc4.xml · nonDerivative · entry 1

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,392,171

F1 · kind: 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.

Read SEC document
August 31, 2023 Filed Sep 2, 2023 00:01 UTC BioAtla, Inc. BCAB · Entity 879 Tax withholdingCommon Stock 2,888 $2.51 $7,248.88
Disclosure

SEC source: 0001209191-23-048031 · doc4.xml · nonDerivative · entry 1

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,395,059

F1 · kind: 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.

Read SEC document
July 31, 2023 Filed Aug 1, 2023 21:44 UTC BioAtla, Inc. BCAB · Entity 879 Tax withholdingCommon Stock 2,888 $2.99 $8,635.12
Disclosure

SEC source: 0001209191-23-044052 · doc4.xml · nonDerivative · entry 1

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,397,947

F1 · kind: 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.

Read SEC document
June 30, 2023 Filed Jul 3, 2023 21:45 UTC BioAtla, Inc. BCAB · Entity 879 Tax withholdingCommon Stock 2,888 $3.00 $8,664.00
Disclosure

SEC source: 0001209191-23-040669 · doc4.xml · nonDerivative · entry 1

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,400,835

F1 · kind: 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.

Read SEC document
May 31, 2023 Filed Jun 2, 2023 00:26 UTC BioAtla, Inc. BCAB · Entity 879 Tax withholdingCommon Stock 2,888 $3.15 $9,097.20
Disclosure

SEC source: 0001209191-23-033473 · doc4.xml · nonDerivative · entry 1

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,403,723

F1 · kind: 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.

Read SEC document
April 30, 2023 Filed May 2, 2023 22:04 UTC BioAtla, Inc. BCAB · Entity 879 Tax withholdingCommon Stock 2,888 $3.37 $9,732.56
Disclosure

SEC source: 0001209191-23-026662 · doc4.xml · nonDerivative · entry 1

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,406,611

F1 · kind: 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.

Read SEC document
March 31, 2023 Filed Apr 4, 2023 00:04 UTC BioAtla, Inc. BCAB · Entity 879 Tax withholdingCommon Stock 2,888 $2.68 $7,739.84
Disclosure

SEC source: 0001209191-23-022431 · doc4.xml · nonDerivative · entry 1

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,409,499

F1 · kind: 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.

Read SEC document
March 29, 2023 Filed Mar 30, 2023 23:17 UTC BioAtla, Inc. BCAB · Entity 879 PurchaseCommon Stock 40,800 $2.47 $100,861.68
Disclosure

SEC source: 0001209191-23-021720 · doc4.xml · nonDerivative · entry 1

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,412,387

F1 · price: The range of prices for the shares of Common Stock is from $2.45 to $2.50. The Reporting Person undertakes that he will provide, upon request by the staff of the U.S. Securities and Exchange Commission, full information regarding the number of securities purchased at each separate price.

Read SEC document
February 28, 2023 Filed Mar 1, 2023 23:34 UTC BioAtla, Inc. BCAB · Entity 879 Tax withholdingCommon Stock 2,888 $2.89 $8,346.32
Disclosure

SEC source: 0001209191-23-014295 · doc4.xml · nonDerivative · entry 1

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,371,587

F1 · kind: 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.

Read SEC document
February 10, 2023 Filed Mar 1, 2023 23:34 UTC BioAtla, Inc. BCAB · Entity 879 GrantEmployee Stock Option (right to buy) · Derivative 850,000 $0.00 Strike: $3.65 $0.00
Disclosure

SEC source: 0001209191-23-014295 · doc4.xml · derivative · entry 7

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 850,000

Underlying: Common Stock · 850,000 shares

Expires 2033-02-10

F3 · derivative.exercise_date: The option vests over a period of four years, with 25% of the shares underlying the option vesting on the first anniversary of the date of grant, and the remainder vesting in 36 substantially equal monthly installments thereafter, subject to the reporting person's continued service to the company through the applicable vesting dates.

Read SEC document
January 31, 2023 Filed Feb 3, 2023 00:12 UTC BioAtla, Inc. BCAB · Entity 879 Tax withholdingCommon Stock 3,517 $3.79 $13,329.43
Disclosure

SEC source: 0001209191-23-006438 · doc4.xml · nonDerivative · entry 1

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,374,475

F1 · kind: 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.

Read SEC document
December 31, 2022 Filed Jan 3, 2023 22:09 UTC BioAtla, Inc. BCAB · Entity 879 Tax withholdingCommon Stock 4,667 $8.25 $38,502.75
Disclosure

SEC source: 0001209191-23-000323 · doc4.xml · nonDerivative · entry 1

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,377,992

F1 · kind: 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.

Read SEC document
November 30, 2022 Filed Dec 2, 2022 02:08 UTC BioAtla, Inc. BCAB · Entity 879 Tax withholdingCommon Stock 4,667 $11.01 $51,383.67
Disclosure

SEC source: 0001209191-22-059271 · doc4.xml · nonDerivative · entry 1

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,382,659

F1 · kind: 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.

Read SEC document
October 31, 2022 Filed Nov 1, 2022 23:58 UTC BioAtla, Inc. BCAB · Entity 879 Tax withholdingCommon Stock 3,454 $6.89 $23,798.06
Disclosure

SEC source: 0001209191-22-055169 · doc4.xml · nonDerivative · entry 1

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,387,326

F1 · kind: 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.

Read SEC document
September 30, 2022 Filed Oct 4, 2022 23:57 UTC BioAtla, Inc. BCAB · Entity 879 Tax withholdingCommon Stock 2,888 $7.70 $22,237.60
Disclosure

SEC source: 0001209191-22-052567 · doc4.xml · nonDerivative · entry 1

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,390,780

F1 · kind: 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.

Read SEC document
August 31, 2022 Filed Sep 1, 2022 22:52 UTC BioAtla, Inc. BCAB · Entity 879 Tax withholdingCommon Stock 2,888 $8.71 $25,154.48
Disclosure

SEC source: 0001209191-22-048367 · doc4.xml · nonDerivative · entry 1

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,393,668

F1 · kind: 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.

Read SEC document
August 12, 2022 Filed Aug 15, 2022 20:37 UTC BioAtla, Inc. BCAB · Entity 879 PurchaseCommon Stock 26,350 $7.84 $206,599.81
Disclosure

SEC source: 0001209191-22-045810 · doc4.xml · nonDerivative · entry 1

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,396,556

F1 · price: The range of prices for the shares of Common Stock is from $7.67 to $8.00. The Reporting Person undertakes that he will provide, upon request by the staff of the U.S. Securities and Exchange Commission, full information regarding the number of securities purchased at each separate price.

Read SEC document
July 31, 2022 Filed Aug 1, 2022 22:31 UTC BioAtla, Inc. BCAB · Entity 879 Tax withholdingCommon Stock 2,888 $3.40 $9,819.20
Disclosure

SEC source: 0001209191-22-043744 · doc4.xml · nonDerivative · entry 1

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,370,206

F1 · kind: 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.

Read SEC document
June 30, 2022 Filed Jul 1, 2022 21:26 UTC BioAtla, Inc. BCAB · Entity 879 Tax withholdingCommon Stock 2,888 $2.85 $8,230.80
Disclosure

SEC source: 0001209191-22-040328 · doc4.xml · nonDerivative · entry 1

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,373,094

F1 · kind: 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.

Read SEC document
June 22, 2022 Filed Jun 23, 2022 20:59 UTC BioAtla, Inc. BCAB · Entity 879 PurchaseCommon Stock 40,308 $2.91 $117,296.28
Disclosure

SEC source: 0001209191-22-038959 · doc4.xml · nonDerivative · entry 2

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,375,982

F1 · kind: The purchases reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F3 · price: The range of prices for the shares of Common Stock is from $2.70 to $3.02. The Reporting Person undertakes that he will provide, upon request by the staff of the U.S. Securities and Exchange Commission, full information regarding the number of securities purchased at each separate price.

Read SEC document
June 21, 2022 Filed Jun 23, 2022 20:59 UTC BioAtla, Inc. BCAB · Entity 879 PurchaseCommon Stock 29,082 $2.79 $81,039.90
Disclosure

SEC source: 0001209191-22-038959 · doc4.xml · nonDerivative · entry 1

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,335,674

F1 · kind: The purchases reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F2 · price: The range of prices for the shares of Common Stock is from $2.68 to $2.87. The Reporting Person undertakes that he will provide, upon request by the staff of the U.S. Securities and Exchange Commission, full information regarding the number of securities purchased at each separate price.

Read SEC document
May 31, 2022 Filed Jun 3, 2022 22:15 UTC BioAtla, Inc. BCAB · Entity 879 Tax withholdingCommon Stock 2,888 $2.41 $6,960.08
Disclosure

SEC source: 0001209191-22-034323 · doc4.xml · nonDerivative · entry 2

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,306,592

F2 · kind: 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.

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April 30, 2022 Filed May 6, 2022 20:55 UTC BioAtla, Inc. BCAB · Entity 879 Tax withholdingCommon Stock 2,888 $3.48 $10,050.24
Disclosure

SEC source: 0001209191-22-027626 · doc4.xml · nonDerivative · entry 1

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,304,102

F1 · kind: 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.

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March 31, 2022 Filed Apr 5, 2022 01:12 UTC BioAtla, Inc. BCAB · Entity 879 Tax withholdingCommon Stock 2,888 $5.00 $14,440.00
Disclosure

SEC source: 0001209191-22-022741 · doc4.xml · nonDerivative · entry 1

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,306,990

F1 · kind: 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.

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February 28, 2022 Filed Mar 4, 2022 22:00 UTC BioAtla, Inc. BCAB · Entity 879 Tax withholdingCommon Stock 2,888 $6.48 $18,714.24
Disclosure

SEC source: 0001209191-22-016353 · doc4.xml · nonDerivative · entry 1

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,309,878

F1 · kind: 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.

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February 22, 2022 Filed Feb 25, 2022 02:20 UTC BioAtla, Inc. BCAB · Entity 879 GrantEmployee Stock Option (right to buy) · Derivative 337,000 $0.00 Strike: $6.66 $0.00
Disclosure

SEC source: 0001209191-22-012944 · doc4.xml · derivative · entry 1

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 337,000

Underlying: Common Stock · 337,000 shares

Expires 2032-02-22

F1 · derivative.exercise_date: The option vests over a period of four years, with 25% of the shares underlying the option vesting on February 22, 2023, the first anniversary of the date of grant, and the remainder vesting in 36 substantially equal monthly installments thereafter, subject to the reporting person's continued employment through the applicable vesting dates.

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January 31, 2022 Filed Feb 2, 2022 22:39 UTC BioAtla, Inc. BCAB · Entity 879 Tax withholdingCommon Stock 3,378 $9.56 $32,293.68
Disclosure

SEC source: 0001209191-22-006493 · doc4.xml · nonDerivative · entry 1

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,312,766

F1 · kind: 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.

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December 31, 2021 Filed Jan 6, 2022 01:30 UTC BioAtla, Inc. BCAB · Entity 879 Tax withholdingCommon Stock 4,667 $19.63 $91,613.21
Disclosure

SEC source: 0001209191-22-002038 · doc4.xml · nonDerivative · entry 1

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,316,144

F1 · kind: 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.

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December 02, 2021 Filed Dec 7, 2021 22:40 UTC BioAtla, Inc. BCAB · Entity 879 SaleCommon Stock 96 $22.47 $2,157.22
Disclosure

SEC source: 0001209191-21-068383 · doc4.xml · nonDerivative · entry 8

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,320,811

F1 · kind: Represents shares of the Issuer's common stock sold by the reporting person to cover taxes due upon the release and settlement of the vested RSUs.

F9 · price: The range of prices for the shares of Common Stock is from $22.40 to $22.51. The reporting person undertakes that he will provide, upon request by the staff of the U.S. Securities and Exchange Commission, full information regarding the number of securities sold at each separate price.

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December 02, 2021 Filed Dec 7, 2021 22:40 UTC BioAtla, Inc. BCAB · Entity 879 SaleCommon Stock 4,715 $21.74 $102,508.82
Disclosure

SEC source: 0001209191-21-068383 · doc4.xml · nonDerivative · entry 7

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,320,907

F1 · kind: Represents shares of the Issuer's common stock sold by the reporting person to cover taxes due upon the release and settlement of the vested RSUs.

F8 · price: The range of prices for the shares of Common Stock is from $21.40 to $22.37. The reporting person undertakes that he will provide, upon request by the staff of the U.S. Securities and Exchange Commission, full information regarding the number of securities sold at each separate price.

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December 01, 2021 Filed Dec 7, 2021 22:40 UTC BioAtla, Inc. BCAB · Entity 879 SaleCommon Stock 2,953 $24.22 $71,533.47
Disclosure

SEC source: 0001209191-21-068383 · doc4.xml · nonDerivative · entry 6

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,325,622

F1 · kind: Represents shares of the Issuer's common stock sold by the reporting person to cover taxes due upon the release and settlement of the vested RSUs.

F7 · price: The range of prices for the shares of Common Stock is from $23.80 to $24.68. The reporting person undertakes that he will provide, upon request by the staff of the U.S. Securities and Exchange Commission, full information regarding the number of securities sold at each separate price.

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December 01, 2021 Filed Dec 7, 2021 22:40 UTC BioAtla, Inc. BCAB · Entity 879 SaleCommon Stock 13,539 $23.27 $314,998.37
Disclosure

SEC source: 0001209191-21-068383 · doc4.xml · nonDerivative · entry 5

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,328,575

F1 · kind: Represents shares of the Issuer's common stock sold by the reporting person to cover taxes due upon the release and settlement of the vested RSUs.

F6 · price: The range of prices for the shares of Common Stock is from $22.79 to $23.77. The reporting person undertakes that he will provide, upon request by the staff of the U.S. Securities and Exchange Commission, full information regarding the number of securities sold at each separate price.

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December 01, 2021 Filed Dec 7, 2021 22:40 UTC BioAtla, Inc. BCAB · Entity 879 SaleCommon Stock 7,829 $22.19 $173,694.19
Disclosure

SEC source: 0001209191-21-068383 · doc4.xml · nonDerivative · entry 4

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,342,114

F1 · kind: Represents shares of the Issuer's common stock sold by the reporting person to cover taxes due upon the release and settlement of the vested RSUs.

F5 · price: The range of prices for the shares of Common Stock is from $21.79 to $22.73. The reporting person undertakes that he will provide, upon request by the staff of the U.S. Securities and Exchange Commission, full information regarding the number of securities sold at each separate price.

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November 30, 2021 Filed Dec 7, 2021 22:40 UTC BioAtla, Inc. BCAB · Entity 879 SaleCommon Stock 2,845 $25.38 $72,203.26
Disclosure

SEC source: 0001209191-21-068383 · doc4.xml · nonDerivative · entry 3

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,349,943

F1 · kind: Represents shares of the Issuer's common stock sold by the reporting person to cover taxes due upon the release and settlement of the vested RSUs.

F4 · price: The range of prices for the shares of Common Stock is from $25.30 to $25.38. The reporting person undertakes that he will provide, upon request by the staff of the U.S. Securities and Exchange Commission, full information regarding the number of securities sold at each separate price.

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November 30, 2021 Filed Dec 7, 2021 22:40 UTC BioAtla, Inc. BCAB · Entity 879 SaleCommon Stock 8,126 $24.68 $200,517.18
Disclosure

SEC source: 0001209191-21-068383 · doc4.xml · nonDerivative · entry 2

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,352,788

F1 · kind: Represents shares of the Issuer's common stock sold by the reporting person to cover taxes due upon the release and settlement of the vested RSUs.

F3 · price: The range of prices for the shares of Common Stock is from $24.33 to $25.25. The reporting person undertakes that he will provide, upon request by the staff of the U.S. Securities and Exchange Commission, full information regarding the number of securities sold at each separate price.

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November 30, 2021 Filed Dec 7, 2021 22:40 UTC BioAtla, Inc. BCAB · Entity 879 SaleCommon Stock 7,519 $24.00 $180,433.44
Disclosure

SEC source: 0001209191-21-068383 · doc4.xml · nonDerivative · entry 1

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,360,914

F1 · kind: Represents shares of the Issuer's common stock sold by the reporting person to cover taxes due upon the release and settlement of the vested RSUs.

F2 · price: The range of prices for the shares of Common Stock is from $23.33 to $24.32. The reporting person undertakes that he will provide, upon request by the staff of the U.S. Securities and Exchange Commission, full information regarding the number of securities sold at each separate price.

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November 29, 2021 Filed Dec 7, 2021 01:41 UTC BioAtla, Inc. BCAB · Entity 879 SaleCommon Stock 15,435 $23.89 $368,742.15
Disclosure

SEC source: 0001209191-21-068210 · doc4.xml · nonDerivative · entry 1

SHORT JAY M PHD · CIK 0001205375 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,368,433

F1 · kind: Represents shares of the Issuer's common stock sold by the reporting person to cover taxes due upon the release and settlement of the vested RSUs.

F2 · price: The range of prices for the shares of Common Stock is from $23.75 to $24.11. The reporting person undertakes that he will provide, upon request by the staff of the U.S. Securities and Exchange Commission, full information regarding the number of securities sold at each separate price.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.