Current report filing


Nov. 19, 2021
Document Type 8-K
Amendment Flag false
Document Period End Date Nov. 19, 2021
Entity File Number 001-37937
Entity Registrant Name Xenetic Biosciences, Inc.
Entity Central Index Key 0001534525
Entity Tax Identification Number 45-2952962
Entity Incorporation, State or Country Code NV
Entity Address, Address Line One 40 Speen Street
Entity Address, Address Line Two Suite 102
Entity Address, City or Town Framingham
Entity Address, State or Province MA
Entity Address, Postal Zip Code 01701
City Area Code (781)
Local Phone Number 778-7720
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Common Stock, $0.001 par value per share  
Title of 12(b) Security Common Stock, $0.001 par value per share
Trading Symbol XBIO
Security Exchange Name NASDAQ
Purchase Warrants  
Title of 12(b) Security Purchase Warrants
Trading Symbol XBIOW
Security Exchange Name NASDAQ