What is ATOS's dilution risk score?

ATOS has a latest available DilutionScore record of 62/100, categorized as high dilution risk by the DilutionWatch scoring model. DilutionWatch displays SEC filing and dilution indicators for ATOS, 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 ATOS?

DilutionWatch tracks 25 SEC filing types for ATOS 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 ATOS shareholders?

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

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

ATOS Dilution Risk Score: 62/100 (HIGH)

Score Breakdown

📋 Offering Ability

40

💰 Cash Runway

65

📊 Float Risk

30

⚠️ Warrant Exposure

90

🔄 Convertible Debt

40

Dilution Forecast

⛈️

Warning

High probability of dilution event

model est. 41%

📜 Warrant Exercise model 60%

• Massive warrant overhang: 43% of shares outstanding

• Warrant risk score very high (90/100)

💰 Capital Raise model 33%

• Under 12 months cash (12mo)

• Active ATM program with $100M remaining capacity

📉 Score Deterioration model 10%

• Score in HIGH risk zone (62/100)

🔔 Track ATOS — Get forecast alerts →

Market Data

Market Cap$45.04M

Shares Outstanding9.98M

Float8.58M

Cash$26.09M

DebtN/A

Short InterestN/A

Institutional Holdings

QoQ: ↓ 96.1% shares (2026Q1 vs prior)

3 institutional holders · 878.9K shares

#1 BARCLAYS PLC 700.0K shares

#2 MORGAN STANLEY 173.8K shares

#3 Rockefeller Capital Management L.P. 5.0K shares

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 Interest760.1K

Days to Cover13.5

% of Float8.9%

FINRA data as of Jul 31, 2026

Insider Buy/Sell Ratio

Recent SEC Activity

xbrl XBRL WARRANT 2026-06-30

xbrl XBRL CONVERTIBLE 2025-12-31

4 INSIDER TRANSACTION 2026-03-31

4 INSIDER TRANSACTION 2026-03-30

424B3 ATM 2026-02-20

Full SEC filing analysis available with free account →

Recent News

No recent news

Factual ATOS Dilution Snapshot

Atossa Therapeutics, Inc. (ATOS) has a DilutionScore of 62/100, rated High dilution risk. Score date: August 28, 2026.

Stored ATM program remaining capacity: $100.0M.
Stored outstanding warrants: 4.3M.
Recent SEC activity tracked for ATOS: xbrl on 2026-06-30; 4 on 2026-03-31; 4 on 2026-03-30.

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.