Xenetic Biosciences Inc.

Last updated September 27, 2026

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Organization details

Legal name: Xenetic Biosciences Inc.
Former names: General Sales & Leasing, Inc. General Aircraft INC.
Ownership: Public
Status: Active
Sector (GICS): Health Care
SIC code: 2834 — Pharmaceutical Preparations
Jurisdiction of incorporation: Nevada
Headquarters city: Framingham
Headquarters state / province: Massachusetts
Headquarters country: United States
Fiscal year end: December
Ticker symbol: XBIO
Primary stock exchange: Nasdaq

Identifiers

SEC CIK: 0001534525
EIN: 45-2952962
Wikidata ID: Q30268429

Board of directors

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Adam Logal · Director
Since 2023
Alexey Andreevich Vinogradov · Director
Since 2023
Firdaus J. Dastoor · Director
Since 2023
Grigory G. Borisenko · Director
Since 2023
James Eric Callaway · Director
Since 2023
Jeffrey F. Eisenberg · Director · Chief Executive Officer
Since 2023
Moshe Mizrahy · Director
Since 2023
Roger D. Kornberg · Director
Since 2023

Chief executives

Jeffrey F. Eisenberg · Chief Executive Officer

Dates unknown

Director election results

Annual meeting of December 11, 2024. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.

Board connections

2 of this board's directors also sit on 2 other boards. 2 are in the same sector.

Shared director Other board Same sector

Cocrystal Pharma Inc. Same sector
via Roger D. Kornberg
InMode Ltd. Same sector
via Moshe Mizrahy

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Bought, last 12 months: $0; 0 purchases by 0 insiders
Sold, last 12 months: $0; 0 sales by 0 insiders

Date	Insider	Transaction	Shares	Price	Value
Apr 21, 2026	PARSLOW JAMES F Officer (Interim CEO and CFO)	Grant or award	+100,000	—	—

Peers

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Questions about Xenetic Biosciences Inc.

Who is the CEO of Xenetic Biosciences Inc.?

Jeffrey F. Eisenberg is Xenetic Biosciences Inc.'s Chief Executive Officer.

How many directors are on Xenetic Biosciences Inc.'s board?

Xenetic Biosciences Inc.'s board has 8 directors: Adam Logal, Alexey Andreevich Vinogradov, Firdaus J. Dastoor, Grigory G. Borisenko, James Eric Callaway, Jeffrey F. Eisenberg, Moshe Mizrahy and Roger D. Kornberg.

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