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Jay Short
Photo: Mbm982, CC BY-SA 4.0, via Wikimedia Commons37

Jay Short

American CEO

Jay M. Short is founder and CEO of the antibody drug company BioAtla, LLC. He was vice president of research and operations at Stratagene (now Agilent Technologies), president of the Stratagene antibody subsidiary Stratacyte, then founder and CEO of Diversa until 2005. While at Diversa, Short invented methods of protein and pathway discovery via metagenomics, in addition to evolution technologies gene site saturation mutagenesis (GSSM) and GeneReassembly, and was the first to combine these discovery and evolution technologies.2

From Wikipedia’s article on Jay Short (this version), CC BY-SA 4.0.

About

On December 7, 2015, San Diego–based BioAtla signed a license and option deal with Pfizer, involving BioAtla's conditionally-active biologics (CAB) antibody platform and Pfizer's antibody-drug conjugate (ADC) payloads. BioAtla is eligible to receive more than $1.0 billion in up-front, regulatory and sales milestone commitments as well as tiered marginal royalties reaching double digits on potential future product sales.

Short is also founder of the E. O. Wilson Biodiversity Foundation, chairman of the board of Ciris Energy, and member of the board of directors of Senomyx. Short received his Ph.D. in biochemistry from Case Western Reserve University in Cleveland, Ohio, and his B.A. with honors in chemistry from Taylor University in Upland, Indiana.

From Wikipedia’s article on Jay Short, shared under CC BY-SA 4.0.2

Companies

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

  • BioAtla BCAB52,036 shares13$63.5K at $1.22Sep 2, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

  • Aug 31, 2026Shares withheld for tax 259 shares at $1.69 of BioAtla13
  • May 31, 2026Shares withheld for tax 259 shares at $3.93 of BioAtla14
  • Mar 12, 2026Shares withheld for tax 639 shares at $0.17 of BioAtla14
  • Mar 11, 2026Granted 430,000 shares of BioAtla15
  • Feb 28, 2026Shares withheld for tax 7,728 shares at $0.25 of BioAtla16
  • Nov 30, 2025Shares withheld for tax 6,347 shares at $0.90 of BioAtla17
  • Aug 31, 2025Shares withheld for tax 6,347 shares at $0.46 of BioAtla18
  • May 31, 2025Shares withheld for tax 6,347 shares at $0.41 of BioAtla19
  • Mar 12, 2025Granted 431,000 shares of BioAtla20
  • Feb 16, 2025Shares withheld for tax 30,911 shares at $0.46 of BioAtla21
  • Feb 16, 2024Granted 417,000 shares of BioAtla22
  • Dec 20, 2023Bought 50,000 shares at $2.14 of BioAtla23
  • Oct 31, 2023Shares withheld for tax 2,888 shares at $1.47 of BioAtla24
  • Sep 30, 2023Shares withheld for tax 2,888 shares at $1.70 of BioAtla25
  • Aug 31, 2023Shares withheld for tax 2,888 shares at $2.51 of BioAtla26
  • Jul 31, 2023Shares withheld for tax 2,888 shares at $2.99 of BioAtla27
  • Jun 30, 2023Shares withheld for tax 2,888 shares at $3.00 of BioAtla28
  • May 31, 2023Shares withheld for tax 2,888 shares at $3.15 of BioAtla29
  • Apr 30, 2023Shares withheld for tax 2,888 shares at $3.37 of BioAtla30
  • Mar 31, 2023Shares withheld for tax 2,888 shares at $2.68 of BioAtla31
  • Mar 29, 2023Bought 40,800 shares at $2.47 of BioAtla32
  • Feb 28, 2023Shares withheld for tax 2,888 shares at $2.89 of BioAtla33
  • Jan 31, 2023Shares withheld for tax 3,517 shares at $3.79 of BioAtla34
  • Dec 31, 2022Shares withheld for tax 4,667 shares at $8.25 of BioAtla35
  • Nov 30, 2022Shares withheld for tax 4,667 shares at $11.01 of BioAtla36

Early life and education

  • Date not recordedCase Western Reserve University3
  • Date not recordedTaylor University3

Career

Occupation: biochemist, business executive.5

Personal life

  • CitizenshipUnited States6

Sources

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