What is MBX's dilution risk score?

MBX has a latest available DilutionScore record of 36/100, categorized as medium dilution risk by the DilutionWatch scoring model. DilutionWatch displays SEC filing and dilution indicators for MBX, 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 MBX?

DilutionWatch tracks 25 SEC filing types for MBX 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 MBX shareholders?

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

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

MBX Dilution Risk Score: 36/100 (MEDIUM)

Score Breakdown

📋 Offering Ability

46

💰 Cash Runway

0

📊 Float Risk

30

⚠️ Warrant Exposure

40

🔄 Convertible Debt

40

Dilution Forecast

☀️

Clear

No significant dilution signals

model est. 0%

No significant dilution signals detected for MBX.

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Market Data

Market Cap$1.50B

Shares Outstanding48.16M

Float29.55M

Cash$418.58M

Debt$555.0K

Short InterestN/A

Institutional Holdings

QoQ: ↑ 14.8% shares (2026Q1 vs prior)

159 institutional holders · 56.40M shares

#1 Frazier Life Sciences Management, L.P. 6.65M shares

#2 ORBIMED ADVISORS LLC 3.64M shares

#3 NEA Management Company, LLC 3.61M 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 Interest5.19M

Days to Cover8.5

% of Float17.6%

FINRA data as of Jul 31, 2026

Insider Buy/Sell Ratio

Recent SEC Activity

3 FORM3 2026-03-18

4 INSIDER TRANSACTION 2026-03-16

4 INSIDER TRANSACTION 2026-02-27

8-K 8K EVENT 2026-02-05

4 INSIDER TRANSACTION 2026-02-03

Full SEC filing analysis available with free account →

Recent News

No recent news

Factual MBX Dilution Snapshot

MBX Biosciences, Inc. (MBX) has a DilutionScore of 36/100, rated Medium dilution risk. Score date: August 28, 2026.

Recent SEC activity tracked for MBX: 3 on 2026-03-18; 4 on 2026-03-16; 4 on 2026-02-27.

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.