---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-102049"
form_type: "8-K"
ticker: "NWBO"
cik: "0001072379"
company_name: "NORTHWEST BIOTHERAPEUTICS INC"
filed_at: "2025-10-24T23:59:59+00:00"
generated_at: "2026-05-17T02:18:07.787896+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.05
calibrated_materiality_score: 0.05
confidence: "high"
source: SEC EDGAR
---

# NWBO files new Form S-3 shelf registration to replace expiring registration on Oct 25, 2025

## Summary
- Filed new S-3 shelf registration on October 23, 2025, effective for three years.
- Existing shelf registration expires on October 25, 2025, necessitating replacement filing.
- Action taken to maintain continuous ability to offer securities via shelf registration.

## SEC filing metadata
- accession: 0001104659-25-102049
- form_type: 8-K
- ticker: NWBO
- cik: 0001072379
- company_name: NORTHWEST BIOTHERAPEUTICS INC
- filed_at: 2025-10-24T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.05
- calibrated_materiality_score: 0.05
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1072379/000110465925102049/0001104659-25-102049-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1072379/000110465925102049/tm2529420d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-102049
- JSON: https://secwatch.observer/filing/0001104659-25-102049.json
- Plain text: https://secwatch.observer/filing/0001104659-25-102049.txt

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