What is NWBO's dilution risk score?

NWBO has a latest available DilutionScore record of 65/100, categorized as high dilution risk by the DilutionWatch scoring model. DilutionWatch displays SEC filing and dilution indicators for NWBO, including shelf registrations, ATM offerings, warrant exercises, PIPE deals, and reverse split signals when detected in source data.

What SEC filings does DilutionWatch track for NWBO?

DilutionWatch tracks 25 SEC filing types for NWBO including S-3 shelf registrations, 424B prospectuses (ATM offerings), S-1 registration statements, 8-K material events, warrant exercise notices, convertible note agreements, and Form 4 insider transactions. Alerts are delivered via email within minutes of a filing appearing on EDGAR.

How does stock dilution affect NWBO shareholders?

Stock dilution occurs when a company issues new shares, reducing the ownership percentage of existing shareholders. For NWBO, common dilution events include at-the-market (ATM) stock offerings, shelf registration drawdowns, warrant exercises, and convertible note conversions. Each event increases the share count and can pressure the stock price lower.

Is DilutionWatch free for NWBO tracking?

DilutionWatch provides a free tier that shows DilutionScores and basic filing history for NWBO. Premium plans ($19.95/month Basic, $39.95/month Premium) unlock real-time email alerts, the full Pulse™ feed, advanced dilution forecasts, and access to all 10,000+ tracked tickers.

NWBO Dilution Risk Score: 65/100 (HIGH)

Score Breakdown

📋 Offering Ability

💰 Cash Runway

📊 Float Risk

⚠️ Warrant Exposure

🔄 Convertible Debt

Dilution Forecast

⛈️

Warning

High probability of dilution event

model est. 54%

🔄 Reverse Split model est. 70%

• 50-day avg $0.21 below $1 exchange minimum

• Only 0 months cash — financial pressure

💰 Capital Raise model 55%

• Critical: only 0.2 months cash remaining

📜 Warrant Exercise model 15%

• Warrant overhang: 5.3% of shares outstanding

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Market Data

Market Cap$272.90M

Shares Outstanding1.71B

Float1.61B

Cash$595.0K

Debt$54.07M

Short InterestN/A

Source-Backed Evidence Depth

This public preview uses stored DilutionWatch fields and linked SEC/market records only. Missing values are not estimated.

Field	Current Value	Basis
DilutionScore	65/100	DilutionWatch score record
Shares Outstanding	1.71B	Verified float table or market cache
Public Float	1.61B	Verified float table or market cache
Market Cap	$272.90M	Market data cache
Cash Runway	0.2 months	DilutionWatch score inputs
Shelf Capacity	None in current score inputs	SEC-derived dilution fields
ATM Capacity	None in current score inputs	SEC-derived dilution fields
Outstanding Warrants	91.24M	SEC-derived dilution fields

Recent source-backed SEC insight records available on this page: 3.

Recent SEC source mix: EFFECT 1, XBRL 2.

The page does not infer future share issuance, financing probability, cash needs, management intent, or price impact when source fields are absent.

Institutional Holdings

QoQ: ↑ 86.6% shares (2026Q1 vs prior)

8 institutional holders · 406.6K shares

#1 KELLEHER FINANCIAL ADVISORS 200.0K shares

#2 VSM Wealth Advisory, LLC 80.6K shares

#3 Opus Capital Group, LLC 60.1K shares

+ 5 more holders Sign up free to view →

Institutional holder totals are aggregated from ownership filings and may use a different share basis or reporting date than public float. They are not a reconciliation against tradeable float.

Short Interest

Short Interest76.80M

Days to Cover12.3

% of Float4.8%

FINRA data as of Sep 30, 2026

Recent SEC Activity

xbrl XBRL WARRANT 2026-08-14

xbrl XBRL CONVERTIBLE 2026-04-15

EFFECT EFFECT 2026-04-20

Full SEC filing analysis available with free account →

Recent News

No recent news available for this ticker.

Factual NWBO Dilution Snapshot

Northwest Biotherapeutics, Inc. (NWBO) has a DilutionScore of 65/100, rated High dilution risk. Score date: October 13, 2026.

Stored outstanding warrants: 91.2M.
Recent SEC activity tracked for NWBO: xbrl on 2026-08-14; EFFECT on 2026-04-20; xbrl on 2026-04-15.

This automatically generated snapshot is assembled from stored DilutionWatch data fields and may contain data-source errors or omissions. It is not financial advice, not investment research, and not a recommendation. Do your own research and review the full disclaimer and terms of service.

DilutionScore History — Last 90 Days

NWBO's DilutionScore has held steady at 65/100 (High risk) for 89 consecutive days across the tracked period.

Period	Score	Risk Level	Duration
Jul 16 – Oct 13, 2026	65/100	HIGH	89 days

Score recalculated daily from SEC filings and market data. Sign up free for real-time score change alerts.

Share Dilution History

NWBO shares outstanding have increased 2.3% from 1.61B (Apr 2026) to 1.64B (May 2026). Each increase represents potential dilution to existing shareholders.

Date	Shares Outstanding	Public Float	Change
May 25, 2026	1.64B	1.61B	▲ 0.02%
May 17, 2026	1.61B	1.61B	▲ 2.27%
May 11, 2026	1.61B	1.57B	▲ 0.02%
Apr 26, 2026	1.61B	1.57B	▲ 0.01%

Share counts sourced from verified regulatory filings. Increases indicate dilution events.

Track NWBO Dilution Risk in Real-Time

DilutionWatch monitors SEC filings 24/7 and alerts you the moment NWBO files a shelf registration, ATM offering, warrant notice, or convertible note. Free tier available — no credit card required.

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