Grigory G. Borisenko - 31 Dec 2025 Form 4 Insider Report for Xenetic Biosciences, Inc. (XBIO)

Role
Director
Signature
/s/ James F. Parslow, Attorney-in-Fact for Grigory G. Borisenko
Issuer symbol
XBIO
Transactions as of
31 Dec 2025
Net transactions value
$0
Form type
4
Filing time
05 Jan 2026, 17:00:02 UTC
Previous filing
13 Dec 2024
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Borisenko Grigory G. Director 945 CONCORD STREET, FRAMINGHAM /s/ James F. Parslow, Attorney-in-Fact for Grigory G. Borisenko 05 Jan 2026 0001788924

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction XBIO Stock Options Award $0 +2,500 $0.000000 2,500 31 Dec 2025 Common Stock 2,500 $2.17 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The Options vest 100% on the twelve-month anniversary of the grant date.