What is IBIO's dilution risk score?

IBIO has a latest available DilutionScore record of 64/100, categorized as high dilution risk by the DilutionWatch scoring model. DilutionWatch displays SEC filing and dilution indicators for IBIO, 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 IBIO?

DilutionWatch tracks 25 SEC filing types for IBIO 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 IBIO shareholders?

Stock dilution occurs when a company issues new shares, reducing the ownership percentage of existing shareholders. For IBIO, 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 IBIO tracking?

DilutionWatch provides a free tier that shows DilutionScores and basic filing history for IBIO. 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.

IBIO Dilution Risk Score: 64/100 (HIGH)

Score Breakdown

📋 Offering Ability

100

💰 Cash Runway

📊 Float Risk

⚠️ Warrant Exposure

🔄 Convertible Debt

Dilution Forecast

⛅

Watch

Minor dilution signals detected

model est. 30%

💰 Capital Raise model 38%

• Active shelf registration ($200M, 344% of market cap)

• Active ATM program with $100M remaining capacity

🔄 Reverse Split model est. 30%

• 50-day avg $1.85 approaching $1 threshold

📉 Score Deterioration model 10%

• Score in HIGH risk zone (64/100)

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Market Data

Market Cap$58.07M

Shares Outstanding64.31M

Float39.32M

Cash$56.40M

DebtN/A

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	64/100	DilutionWatch score record
Shares Outstanding	64.31M	Verified float table or market cache
Public Float	39.32M	Verified float table or market cache
Market Cap	$58.07M	Market data cache
Cash Runway	23.6 months	DilutionWatch score inputs
Shelf Capacity	$200.00M	SEC-derived dilution fields
ATM Capacity	$100.00M	SEC-derived dilution fields
Outstanding Warrants	None in current score inputs	SEC-derived dilution fields

Recent source-backed SEC insight records available on this page: 7.

Recent SEC source mix: 4 2, 424B3 1, 8-K 1, 8-K/A 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: ↑ 25.0% shares (2026Q1 vs prior)

53 institutional holders · 20.93M shares

#1 Affinity Asset Advisors, LLC 3.11M shares

#2 VANGUARD CAPITAL MANAGEMENT LLC 2.18M shares

#3 Frazier Life Sciences Management, L.P. 1.95M shares

+ 17 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 Interest4.20M

Days to Cover6.2

% of Float10.7%

FINRA data as of Sep 30, 2026

Recent SEC Activity

xbrl XBRL WARRANT 2026-08-28

xbrl XBRL CONVERTIBLE 2024-09-24

424B3 ATM 2026-04-29

8-K/A 8K EVENT 2026-04-17

8-K 8K EVENT 2026-04-08

Full SEC filing analysis available with free account →

Recent News

No recent news available for this ticker.

Factual IBIO Dilution Snapshot

iBio, Inc. (IBIO) has a DilutionScore of 64/100, rated High dilution risk. Score date: October 13, 2026.

Stored shelf registration capacity: $200.0M.
Stored ATM program remaining capacity: $100.0M.
Recent SEC activity tracked for IBIO: xbrl on 2026-08-28; 424B3 on 2026-04-29; 8-K/A on 2026-04-17.

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

IBIO's DilutionScore is currently 64/100 (High risk), with 4 score changes tracked over 89 days. The score deteriorated from 66/100 (High risk).

Period	Score	Risk Level	Duration
Oct 01 – Oct 13, 2026	64/100	HIGH	13 days
Aug 22 – Sep 30, 2026	66/100	HIGH	40 days
Aug 14 – Aug 21, 2026	74/100	HIGH	7 days
Jul 17 – Aug 13, 2026	66/100	HIGH	28 days
Jul 16, 2026	65/100	HIGH	1 day

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

Share Dilution History

IBIO shares outstanding have increased 43.8% from 34.54M (Mar 2026) to 49.68M (May 2026). Each increase represents potential dilution to existing shareholders.

Date	Shares Outstanding	Public Float	Change
May 14, 2026	49.68M	39.32M	▲ 43.81%
Apr 26, 2026	36.14M	27.34M	▲ 1.24%
Mar 30, 2026	34.54M	27.01M	▼ 0.05%
Mar 26, 2026	34.54M	27.02M	▼ 0.14%

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

Track IBIO Dilution Risk in Real-Time

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

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