Form 4 holding
Director
Xenetic Biosciences, Inc.
- Security class
- Stock Options
- Shares / value
- 2,500
- Estimated value
- Report date
- 31 Dec 2025
- Price
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
Roger D. Kornberg - Director at Xenetic Biosciences, Inc.
Insider Transactions and Holdings
- Entity type
- Individual
- Role
- Director
- Issuer symbol
- XBIO on Nasdaq
- Source filings
- Open source filing history
Identity
Issuer context
SEC evidence
There are no Buy or Sell transactions made by Roger D. Kornberg since 31 May 2025
Holdings reported by Roger D. Kornberg for Xenetic Biosciences, Inc.
Transactions reported by Roger D. Kornberg for Xenetic Biosciences, Inc.
| Sym | Class | Transaction | % | Reported value | Reported price | Shares | Shares after | Date | Ownership |
|---|
* indicates a reported price that failed the local validity check.