ATOS — ATOSSA THERAPEUTICS, INC.

Nasdaq · Health Care · Pharmaceuticals · CIK 1488039 ·
Last close
$2.46
Market Cap
$21.18M
52W High
$6.28
52W Low
$2.45
ADV30
118,383
Next earnings
Atossa Therapeutics, Inc., a clinical-stage biopharmaceutical company, develops medicines in areas of significant unmet medical need in oncology in the United States. Its lead drug candidate is oral (Z)-endoxifen, a selective estrogen receptor modulator and selective estrogen receptor degrader currently in Phase 2 clinical development for the treatment and reduction of risk of breast cancer, as well as in other therapeutic areas. The company was formerly known as Atossa Genetics Inc. and changed its name to Atossa Therapeutics, Inc. in January 2020. Atossa Therapeutics, Inc. was founded in 2008 and is based in Seattle, Washington.

Quarterly Fundamentals

Revenues vs Net Income (last 4 Q)

Assets vs Liabilities (last 4 Q)

PeriodRevenuesGrossProfit OpIncomeNetIncomeAssets CashLiabilities
Mar 2026 0 -9,870,000 -9,589,000 37,943,000 31,718,000 7,457,000
Dec 2025 0 -11,436,000 -10,937,000 47,608,000 41,299,000 8,255,000
Sep 2025 0 -9,251,000 -8,692,000 58,012,000 51,845,000 8,225,000
Jun 2025 0 -9,040,000 -8,423,000 64,515,000 57,857,000 6,820,000

Cashflow TTM (yfinance, fills SEC gap)

Operating CF
$-29,762,000
Investing CF
$-23,000
Financing CF
$0
CapEx
$-33,000
Dividends Paid
Buybacks
$0
EPS Diluted TTM
$-3.75
As of
2026-05-10

Balance + Analyst (yfinance extras)

Retained Earnings
$-246,562,000
Inventory
Receivables
ST Investments
EBIT TTM
$-37,141,000
Pretax Income TTM
$-34,770,000
Interest Exp TTM
Analysts
3

Annual Trend (SEC EDGAR, last 4y)

Revenues vs Net Income (last 4y)

FY endRevenuesOpIncome NetIncomeAssetsLiabilities EquityOCF
Dec 2025 0 -37,141,000 -34,770,000 47,608,000 8,255,000 -29,762,000
Dec 2024 0 -27,621,000 -25,504,000 76,444,000 4,967,000 -21,030,000
Dec 2023 0 -31,377,000 -30,094,000 96,252,000 5,236,000 -20,941,000
Dec 2022 0 -27,691,000 -26,960,000 123,532,000 5,568,000 -20,760,000

TTM Snapshot

Revenues TTM
NetIncome TTM
OpCashFlow TTM
Assets (Latest)
Forward EPS
$-2.44

Max Pain — expiry 2026-07-17 (volume-derived — Yahoo OI feed degraded)

max pain strike: $1.50 · spot: $2.35 · call volume: 18 · put volume: 2
Expected Move to 2026-07-17: ±$0.60 (25.53%) — implied range $1.75$2.95 · ATM straddle on $2.00 strike

Peers — same industry

TickerNameMarket CapLastDaily %
AKTX Akari Therapeutics Plc $21.10M $13.40
VYNE VYNE Therapeutics Inc. $21.65M $0.65
CELU Celularity Inc $20.64M $0.71
OTLC Oncotelic Therapeutics, Inc. $22.22M $0.05
CRVO CervoMed Inc. $22.68M $2.45

News headlines (Yahoo Finance, 1h cache)

Atossa Therapeutics Announces Closing of Registered Direct Offering of up to $16.5 Million in Gross Proceeds
2026-06-12 21:30 · Yahoo
Top Midday Decliners
2026-06-11 17:47 · Yahoo
Atossa Therapeutics Announces Registered Direct Offering of up to $16.5 Million in Gross Proceeds
2026-06-11 12:00 · Yahoo
Atossa Therapeutics highlights Endoxifen progress as potential Breast Cancer treatment
2026-06-10 16:51 · Yahoo
CEO Chat with Steven Quay, MD, PhD, Chairman, President, & CEO of Atossa Therapeutics
2026-06-01 09:05 · Yahoo
Atossa Therapeutics Announces ASCO 2026 Abstracts Highlighting (Z)-Endoxifen Activity Across ESR1 Mutations and Ongoing EVANGELINE Phase 2 Trial
2026-05-27 12:30 · Yahoo
Atos Selected by Viasat to Modernize Global Digital Workplace Operations
2026-05-19 15:09 · Yahoo
Atossa Therapeutics to Host Virtual KOL Event Featuring Dr. Laura Esserman to Discuss Development of (Z)-Endoxifen in ER-Positive Breast Cancer
2026-05-14 12:30 · Yahoo
ATOS: Initiating Coverage of Atossa Therapeutics; Endoxifen’s Expanding Opportunity from Oncology to Orphan Disease
2026-05-13 07:00 · Yahoo
Atossa Therapeutics Reports First Quarter 2026 Financial Results and Provides a Corporate Update
2026-05-08 12:45 · Yahoo

Recent Insider Activity

No insider activity indexed for this ticker.