---
schema_version: "secwatch.filing_event.v1"
accession: "0001683168-23-003243"
form_type: "8-K"
ticker: "XBIO"
cik: "0001534525"
company_name: "Xenetic Biosciences, Inc."
filed_at: "2023-05-12T23:59:59+00:00"
generated_at: "2026-06-15T02:29:09.183965+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Xenetic Biosciences announces 1-for-10 reverse stock split effective May 15, 2023

## Summary
- Reverse split reduces outstanding shares from 15,166,596 to ~1,516,660; authorized shares from 100M to 10M.
- Effective 12:01 a.m. ET on May 15, 2023; no fractional shares – any fraction rounded up.
- Common stock continues trading on Nasdaq under symbol XBIO with new CUSIP 984015602.
- Warrants (XBIOW) and equity awards proportionately adjusted; no action required by holders.
- Press release issued May 12, 2023; Certificate of Change filed with Nevada Secretary of State.

## SEC filing metadata
- accession: 0001683168-23-003243
- form_type: 8-K
- ticker: XBIO
- cik: 0001534525
- company_name: Xenetic Biosciences, Inc.
- filed_at: 2023-05-12T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 3.03, 5.03, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1534525/000168316823003243/0001683168-23-003243-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1534525/000168316823003243/xenetic_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001683168-23-003243
- JSON: https://secwatch.observer/filing/0001683168-23-003243.json
- Plain text: https://secwatch.observer/filing/0001683168-23-003243.txt

## Key facts
- Governance Changes
  Xenetic Biosciences, Inc.: Filed a Certificate of Change to effect a one-for-ten reverse stock split, reducing authorized common stock from 100,000,000 to 10,000,000 shares (effective 2023-05-11).
  - Change: charter amendment
  - Effective: 2023-05-11
  source text: on May 11, 2023, Xenetic Biosciences, Inc. (the “Company”) filed a Certificate of Change to the Company’s Articles of Incorporation (the “Change”) with the Secretary of State of the State of Nevada to effect a one-for-ten reverse stock split of its authorized, issued and outstanding common stock
  evidence_url: https://www.sec.gov/Archives/edgar/data/1534525/000168316823003243/0001683168-23-003243-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.