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ATOS

Atossa Therapeutics, Inc.
ATOS stock: dilution — what the SEC filings say, updated every weekday morning.
Nasdaq · Pharmaceutical Preparations · EDGAR filings (CIK 1488039) · 2 signals · 1 setups · updated Sep 22, 2026

What the filings say Pressure ▼

The filings point to a discounted equity raise ahead — dilution for existing holders. Next thing to watch: a 424B or offering 8-K.

Radar 44 (elevated attention) · dilution pressure elevated · listing risk low · governance risk low · runway 8.0 mo · strongest signal: Registered direct (Sep 18, 2026)

What would confirm: 424B5/8-K announcing an offering, ATM sales disclosed in next 10-Q, or Form 4 sales by insiders ahead of it.
What would prove it wrong: Non-dilutive cash event (asset sale, grant, milestone payment), OCF turning positive, or shelf withdrawn (RW).

Direction is stated for existing shareholders (▼ more shares / survival or listing risk; ▲ insiders or holders buying). It is a characterization of the filings, not a forecast or a recommendation.

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44Radar · attention score (0–100)
48Dilution pressure · financing + balance sheet
0Listing risk · exchange standards
0Governance risk · reporting, auditor, going concern

Setups

Independent filings stitched into a thesis, each with what would confirm and what would prove it wrong.

Forced-raise setup Pressure ▼ strength 0.70

The filings point to a discounted equity raise ahead — dilution for existing holders. Next thing to watch: a 424B or offering 8-K. Cash need (runway 6–12 months) coexists with live selling machinery (registered direct). Base case is a discounted raise; the question is when, not if.

Would confirm: 424B5/8-K announcing an offering, ATM sales disclosed in next 10-Q, or Form 4 sales by insiders ahead of it.
Would invalidate: Non-dilutive cash event (asset sale, grant, milestone payment), OCF turning positive, or shelf withdrawn (RW).
Registered directRunway 6–12 months

Analyst note

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Balance sheet (XBRL)

$26.1Mcash + short-term investments as of Jun 30, 2026
8.0 moestimated runway (annualized 180-day YTD operating cash flow [companyfacts])
$26.8Mstockholders' equity as of Jun 30, 2026
$107.1Mpublic float (10-K cover)
10.0Mshares outstanding as of Jul 31, 2026 · was 8.6M May 1, 2026

Runway = liquidity ÷ monthly operating burn at the latest reported period · balance sheet 84 days old. A financing after the balance-sheet date is the main reason a figure can be stale — check the timeline below for offerings since then.

Signal timeline

Last 30 days of filing signals plus current balance-sheet flags, newest first. ▼ pressure · ▲ support · hover a score for its components; every row links to the filing.

DateSignalEvidenceScore
Sep 18, 2026▼ Registered direct “rdo” language in 8-K (EX-99.1) filed 2026-09-18 filing 37
Jun 30, 2026▼ Runway 6–12 months ~8.0 months runway: liquidity $26,094,000 as of 2026-06-30, burn $38,984,028/yr (annualized 180-day YTD operating cash flow [companyfacts]) filing 23

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