Xenetic Biosciences, Inc XBIO

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Xenetic Biosciences, Inc. - Common Stock · Company · Nasdaq

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Announcement types: (default: consequential filings)
Results & current reports
Capital markets
Ownership & governance

USD closing-price chart (daily close from yfinance · Last year)

Price history is being populated for this security.

Price & SEC Filing History 26 Jul 2025 — 27 Jul 2026 (Last year)

Daily Nasdaq prices are sourced from yfinance. Yellow highlighting marks an intraday rise or a gap up between adjacent trading sessions. SEC acceptance times are converted to US Eastern time: pre-market filings appear below that day’s OHLCV row; filings accepted after the 09:30 ET open appear above it. The SEC does not publish an exact first-public-availability timestamp, so acceptance time is the best available proxy.

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18 · 8-K Pre-market · 08:05 ET FORM 8-K ↗ 17 · 10-Q After-hours · 16:30 ET QUARTERLY REPORT FOR MARCH 2026 ↗
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16 · 10-K/A After-hours · 17:15 ET FORM 10-K FOR DEC 2025 AMENDMENT 1 ↗ 15 · 8-K After-hours · 17:00 ET CURRENT REPORT ↗
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14 · 8-K Pre-market · 08:00 ET CURRENT REPORT ↗ 13 · 10-K After-hours · 17:00 ET FORM 10-K FOR DEC 2025 ↗
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12 · 8-K After-hours · 17:00 ET FORM 8-K ↗
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11 · DEFA14A After-hours · 17:01 ET ADDITIONAL DEFINITIVE PROXY SOLICITING MATERIALS ↗ 10 · 8-K After-hours · 17:00 ET CURRENT REPORT ↗
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9 · 8-K Pre-market · 08:45 ET CURRENT REPORT ↗ 8 · 10-Q After-hours · 16:30 ET FORM 10-Q FOR SEP 2025 ↗
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7 · DEFA14A After-hours · 16:20 ET DEFINITIVE ADDITIONAL MATERIALS ↗ 6 · DEF 14A After-hours · 16:10 ET DEFINITIVE PROXY STATEMENT ↗
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5 · 8-K Pre-market · 08:48 ET CURRENT REPORT ↗ 4 · 424B5 Next filing day · accepted 10 Oct, 18:44 ET FORM 424B5 ↗
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3 · 424B5 Pre-market · 09:28 ET FORM 424B5 ↗
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2 · 8-K Pre-market · 08:00 ET FORM 8-K ↗ 1 · 10-Q After-hours · 17:00 ET FORM 10-Q FOR JUN 2025 ↗
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Announcement Events

Each title opens the filing on the SEC website. Registered users can summarise the filing and up to seven relevant exhibits linked within the same SEC submission.

18 8-K FORM 8-K (opens SEC filing in a new tab) Pre-market · 08:05 ET Summarise
17 10-Q QUARTERLY REPORT FOR MARCH 2026 (opens SEC filing in a new tab) After-hours · 16:30 ET Summarise
16 10-K/A FORM 10-K FOR DEC 2025 AMENDMENT 1 (opens SEC filing in a new tab) After-hours · 17:15 ET Summarise
15 8-K CURRENT REPORT (opens SEC filing in a new tab) After-hours · 17:00 ET Summarise
14 8-K CURRENT REPORT (opens SEC filing in a new tab) Pre-market · 08:00 ET Summarise
13 10-K FORM 10-K FOR DEC 2025 (opens SEC filing in a new tab) After-hours · 17:00 ET Summarise
12 8-K FORM 8-K (opens SEC filing in a new tab) After-hours · 17:00 ET Summarise
11 DEFA14A ADDITIONAL DEFINITIVE PROXY SOLICITING MATERIALS (opens SEC filing in a new tab) After-hours · 17:01 ET Summarise
10 8-K CURRENT REPORT (opens SEC filing in a new tab) After-hours · 17:00 ET Summarise
9 8-K CURRENT REPORT (opens SEC filing in a new tab) Pre-market · 08:45 ET Summarise
8 10-Q FORM 10-Q FOR SEP 2025 (opens SEC filing in a new tab) After-hours · 16:30 ET Summarise
7 DEFA14A DEFINITIVE ADDITIONAL MATERIALS (opens SEC filing in a new tab) After-hours · 16:20 ET Summarise
6 DEF 14A DEFINITIVE PROXY STATEMENT (opens SEC filing in a new tab) After-hours · 16:10 ET Summarise
5 8-K CURRENT REPORT (opens SEC filing in a new tab) Pre-market · 08:48 ET Summarise
4 424B5 FORM 424B5 (opens SEC filing in a new tab) Next filing day · accepted 10 Oct, 18:44 ET Summarise
3 424B5 FORM 424B5 (opens SEC filing in a new tab) Pre-market · 09:28 ET Summarise
2 8-K FORM 8-K (opens SEC filing in a new tab) Pre-market · 08:00 ET Summarise
1 10-Q FORM 10-Q FOR JUN 2025 (opens SEC filing in a new tab) After-hours · 17:00 ET Summarise