Xenetic Biosciences, Inc. — DEFA14A Filings
5 DEFA14A filings on record
This page lists all DEFA14A filings submitted to the SEC by Xenetic Biosciences, Inc. (XBIO), sorted by most recent first. Each row links to the full filing on EdgarLookup. Xenetic Biosciences, Inc. has filed 5 DEFA14A documents with the SEC since 2011. To view all SEC filings by Xenetic Biosciences, Inc., see the full filings list.
All
10-K
10-K/A
10-Q
25-NSE
3
3/A
4
4/A
424B3
424B4
424B5
425
8-A12B
8-A12B/A
8-K
8-K/A
ARS
CERT
CERTNAS
CORRESP
CT ORDER
D
DEF 14A
DEF 14C
DEFA14A
DEFR14A
EFFECT
NT 10-K
NT 10-Q
PRE 14A
PRE 14C
S-1
S-1/A
S-3
S-3/A
S-4
S-4/A
S-8
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SCHEDULE 13G
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| DEFA14A | ADDITIONAL DEFINITIVE PROXY SOLICITING MATERIALS | 0001683168-25-009077 | Dec 11, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001683168-25-007873 | Oct 31, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001683168-24-007518 | Oct 31, 2024 | — |
| DEFA14A | ADDITIONAL DEFINITIVE PROXY SOLICITING MATERIALS | 0001683168-22-006927 | Oct 17, 2022 | — |
| DEFA14A | DEFINITIVE ADDITIONAL INFORMATION | 0001683168-21-006069 | Dec 2, 2021 | — |