What is INSM's dilution risk score?

INSM has a latest available DilutionScore record of 35/100, categorized as medium dilution risk by the DilutionWatch scoring model. DilutionWatch displays SEC filing and dilution indicators for INSM, 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 INSM?

DilutionWatch tracks 25 SEC filing types for INSM 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 INSM shareholders?

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

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

INSM Dilution Risk Score: 35/100 (MEDIUM)

Score Breakdown

📋 Offering Ability

26

💰 Cash Runway

65

📊 Float Risk

2

⚠️ Warrant Exposure

15

🔄 Convertible Debt

15

Dilution Forecast

☀️

Clear

No significant dilution signals

model est. 7%

💰 Capital Raise model 15%

• Under 12 months cash (8mo)

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Market Data

Market Cap$23.17B

Shares Outstanding218.38M

Float198.27M

Cash$544.76M

Debt$552.20M

Short InterestN/A

Institutional Holdings

QoQ: ↑ 7.2% shares (2026Q1 vs prior)

675 institutional holders · 241.64M shares

#1 JPMORGAN CHASE & CO 24.15M shares

#2 VANGUARD CAPITAL MANAGEMENT LLC 19.28M shares

#3 Darwin Global Management, Ltd. 16.81M 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 Interest11.35M

Days to Cover5.1

% of Float5.7%

FINRA data as of Jul 31, 2026

Insider Buy/Sell Ratio

Recent SEC Activity

xbrl XBRL CONVERTIBLE 2025-12-31

Full SEC filing analysis available with free account →

Recent News

No recent news

Factual INSM Dilution Snapshot

Insmed Incorporated (INSM) has a DilutionScore of 35/100, rated Medium dilution risk. Score date: August 28, 2026.

Recent SEC activity tracked for INSM: xbrl on 2025-12-31.

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.

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INSM — Insmed Incorporated Dilution Risk Tracker