What is ATOS's dilution risk score?

ATOS has a latest available DilutionScore record of 52/100, 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: 52/100 (HIGH)

Score Breakdown

📋 Offering Ability

💰 Cash Runway

📊 Float Risk

⚠️ Warrant Exposure

🔄 Convertible Debt

Dilution Forecast

⛅

Watch

Minor dilution signals detected

model est. 16%

💰 Capital Raise model 33%

• Under 12 months cash (12mo)

• Active ATM program with $100M remaining capacity

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Market Data

Market Cap$23.84M

Shares Outstanding9.98M

Float8.58M

Cash$26.09M

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	52/100	DilutionWatch score record
Shares Outstanding	9.98M	Verified float table or market cache
Public Float	8.58M	Verified float table or market cache
Market Cap	$23.84M	Market data cache
Cash Runway	11.5 months	DilutionWatch score inputs
Shelf Capacity	None in current score inputs	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, 424B5 1, 8-K 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: ↓ 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 Interest788.3K

Days to Cover11.3

% of Float9.2%

FINRA data as of Sep 30, 2026

Recent SEC Activity

xbrl XBRL WARRANT 2026-08-07

xbrl XBRL CONVERTIBLE 2026-03-25

4 INSIDER TRANSACTION 2026-03-31

4 INSIDER TRANSACTION 2026-03-30

8-K 8K EVENT 2026-02-20

Full SEC filing analysis available with free account →

Recent News

No recent news available for this ticker.

Factual ATOS Dilution Snapshot

Atossa Therapeutics, Inc. (ATOS) has a DilutionScore of 52/100, rated High dilution risk. Score date: October 13, 2026.

Stored ATM program remaining capacity: $100.0M.
Recent SEC activity tracked for ATOS: xbrl on 2026-08-07; 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.

DilutionScore History — Last 90 Days

ATOS's DilutionScore is currently 52/100 (High risk), with 3 score changes tracked over 89 days. The score deteriorated from 62/100 (High risk).

Period	Score	Risk Level	Duration
Oct 01 – Oct 13, 2026	52/100	HIGH	13 days
Aug 22 – Sep 30, 2026	62/100	HIGH	40 days
Aug 14 – Aug 21, 2026	44/100	MEDIUM	7 days
Jul 16 – Aug 13, 2026	54/100	HIGH	29 days

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

Track ATOS Dilution Risk in Real-Time

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

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