VINOGRADOV ALEXEY ANDREEVICH 4
4 · Xenetic Biosciences, Inc. · Filed Jan 5, 2026
Insider Transaction Report
Form 4
VINOGRADOV ALEXEY ANDREEVICH
Director
Transactions
- Award
Stock Options
[F1]2025-12-31+2,500→ 2,500 totalExercise: $2.17Exp: 2035-12-31→ Common Stock (2,500 underlying)
Footnotes (1)
- [F1]The Options vest 100% on the twelve-month anniversary of the grant date.
Signature
/s/ James Parslow, as attorney-in fact for Alexey Vinogradov|2026-01-05