Atossa Therapeutics, Inc.

ATOS Healthcare Biotechnology

In the quarter to June 2026, EPS grew 9.48% and free cash flow fell 32.9%, each against the same quarter a year earlier.

2.91 0.26 +9.81%
Market cap
$26.4M
P/E
0.0×
Fwd P/E
—
Dividend yield
—
F-score
n/a
Altman Z
−15.64
Beneish M
n/a
Dividend safety
n/a

Insider Decisions trades per month

Dec 25 Mar 26 Jun 26 Sep 26
Buy — — — — — — — — — — — —
Sell — — — — — — — — — — — —
Insider Ownership 0.00%

Capital & Financial Ratios $m

Market Cap 26.44
Revenue 0.04
Net Income (37.71)
Free Cash Flow (35.77)
Net Debt (26.20)
Current Ratio 5.69 (at or above 1.5: strong)
Debt/Equity 0.00 (at or below 0.5: strong)
P/E ratio 0.00
Fwd P/E —
P/S ratio 646.51 (above 10: high)
P/B ratio 0.97
Past 5Y EPS Growth —
This Y EPS Growth 7.26%
Next Y EPS Growth 25.71% (at or above 15%: strong)
Next Y revenue growth —
Next 5Y EPS Growth 58.12% (at or above 15%: strong)

Green and red mark values outside typical ranges. How we judge →

Valuation vs history

P/S against its own 10 years 48.43%
10-year low 10-year high
P/B against its own 10 years 28.31%
10-year low 10-year high
EV/FCF against its own 10 years 1.16%
10-year low 10-year high

Dividends

Payout Ratio —
Annual Dividend Rate —
Annual Dividend Yield —
total individual payouts
2023 Powerpack
2022 Powerpack
2021 Powerpack
2020 Powerpack
2019 Powerpack
special payouts not included in total or ratios

Assets vs Liabilities $m

2023 2024 2025 Q'26
Cash 89 71 41 26
Receivables — — — —
Inventory — — — 3
Other 1 2 3 3
92 74 46 31
2023 2024 2025 Q'26
Payables 1 1 4 2
ST’ Debt — — — —
Other 3 3 3 2
5 5 8 5

Compound Annual Growth %

10y 5y 3y
Sales — — (84.48%)
Cash Flow 0.00% 0.00% 0.00%
Earnings 0.00% 0.00% 0.00%
Book Value 26.53% 7.69% (30.65%)

Revenue $m

Year
Fiscal quarters ending in the months shown.

Operating Cash Flow $m

Mar Jun Sep Dec Year
’26 (10) (10) — — —
’25 (6) (7) (6) (11) (30)
’24 (5) (5) (5) (7) (21)
’23 (7) (4) (4) (6) (21)
’22 (5) (6) (5) (5) (21)
’21 (4) (5) (3) (4) (16)
’20 (3) (2) (3) (3) (12)
Fiscal quarters ending in the months shown.

Free Cash Flow $m

Mar Jun Sep Dec Year
’26 (10) (10) — — —
’25 (6) (7) (6) (11) (30)
’24 (5) (5) (5) (7) (21)
’23 (7) (4) (4) (6) (21)
’22 (5) (6) (5) (5) (21)
’21 (4) (5) (3) (4) (16)
’20 (3) (2) (3) (3) (12)
Fiscal quarters ending in the months shown.

EPS $

Mar Jun Sep Dec Year
’26 (1.11) (0.95) — — —
’25 (0.75) (1.05) (1.05) (1.27) (4.04)
’24 (0.75) (0.75) (0.90) (0.75) (3.00)
’23 (0.75) (1.20) (0.75) (0.90) (3.60)
’22 (0.60) (0.75) (0.90) (0.90) (3.15)
’21 (0.60) (0.90) (0.60) (0.60) (2.70)
’20 (4.80) (6.45) (5.10) (13.34) (29.53)
Fiscal quarters ending in the months shown.

Target Price Range

Analyst price targets

Recommendation Rating

1
1Buy 2 3Hold 4 5Sell

Ten years at a glance Fiscal years to December

Group Line 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 Trend 2026e 2027e 2028e
Price, $
Price, $ Low 234.00 39.60 12.00 14.85 11.40 13.20 7.50 8.25 11.55 8.25

Analyst estimates 2026–2028

Powerpack
High 1,917.00 333.00 160.20 110.85 76.20 147.00 27.00 20.85 34.65 19.35
People
People Employees 6 7 6 6 8 8 11 10 13 14
Revenue/emp, $m 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Income, $m
Income, $m Revenue — — — — — — — — — —
Gross margin, % 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — — —
EBT (6) (8) (11) (17) (18) (21) (27) (30) (26) (35)
EBT margin, % 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Net income (6) (8) (11) (17) (18) (21) (27) (30) (26) (35)
Depreciation 0 0 0 0 0 0 0 0 0 0
Per share, $
Per share, $ Revenue 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Earnings (388.97) (97.98) (82.46) (30.43) (29.53) (2.70) (3.15) (3.60) (3.00) (4.04)
Cash flow (327.72) (101.45) (32.32) (16.11) (15.34) (2.11) (2.46) (2.49) (2.51) (3.46)
Capex (0.56) 0.00 (0.40) (0.01) (0.01) 0.00 0.00 0.00 0.00 0.00
Free cash flow (328.28) (101.45) (32.72) (16.12) (15.35) (2.11) (2.46) (2.49) (2.51) (3.46)
Book value 188.85 106.75 31.75 23.22 36.02 17.71 13.97 10.82 8.52 4.57
Shares, m 0 0 0 1 1 8 8 8 8 9
Valuation, ×
Valuation, × P/E — — — — — — — — — —
P/S — — — — — — — — — —
P/B — — — — — — — — — —
EV/Sales — — — — — — — — — —
EV/FCF — — — — — — — — — —
Cash, $m
Cash, $m Operating cash flow (5) (7) (9) (9) (12) (16) (21) (21) (21) (30)
Capex 0 — 0 0 0 0 0 0 0 0
Free cash flow (5) (7) (9) (9) (12) (16) (21) (21) (21) (30)
Balance, $m
Balance, $m Working capital 2 7 9 13 27 138 113 87 69 37
Total debt — — — 0 0 — — — — —
Net debt (3) (7) (10) (13) (40) (136) (111) (89) (71) (41)
Shareholders’ equity 3 7 9 13 27 138 118 91 71 39
Returns, %
Returns, % ROA (122.62) (173.71) (230.17) (131.55) (77.90) (22.39) (20.36) (27.39) (29.54) (56.06)
ROIC (35,321.81) 0.00 0.00 (2,321.12) 0.00 (777.78) (248.52) (801.74) (6,100.04) 0.00
ROE (186.26) (213.05) (342.46) (182.33) (114.42) (25.11) (21.10) (28.80) (31.39) (62.74)
Negative figures in brackets.

All 10 years →

Fiscal years to Dec 2015 · latest quarter Dec 2014 · fundamentals updated 2 Oct 2026

Charts ten years each

Atossa Therapeutics, Inc. vs peers in Biotechnology (Q) = latest quarter vs a year earlier

Company Market cap P/E Fwd P/E Revenue growth (Q) EPS growth (Q) FCF growth (Q) Gross margin (Q) EBIT margin (Q) Compare
IBO Impact Biomedical Inc. $27.0M 0.2× — −57.14% (below 0%: shrinking) n/m +167.72% (above 0%: growing) 66.67% (23,400.00%) Compare
ATOS Atossa Therapeutics, Inc. $26.4M — (loss-making) — −94.28% (below 0%: shrinking) n/m −32.86% (below 0%: shrinking) 0.00% 0.00%
IGC IGC Pharma, Inc. $26.3M — (loss-making) — (loss-making) −19.70% (below 0%: shrinking) n/m −103.33% (below 0%: shrinking) 18.11% (1,050.57%) Compare
MCRB Seres Therapeutics, Inc. $25.2M — (loss-making) — (loss-making) +96.79% (above 0%: growing) n/m −66.15% (below 0%: shrinking) 100.00% (2,890.35%) Compare
ABVC ABVC BioPharma, Inc. $24.9M — (loss-making) — (loss-making) +66,233.33% (above 0%: growing) n/m +72.66% (above 0%: growing) 100.00% 0.00% Compare
BYSI BeyondSpring Inc. $23.9M — (loss-making) — (loss-making) +87.78% (above 0%: growing) n/m +35.78% (above 0%: growing) 100.00% 0.00% Compare
CYAD Celyad SA $23.8M — (loss-making) — (loss-making) — n/m +78.72% (above 0%: growing) 0.00% 0.00% Compare
PLRZ Polyrizon Ltd. $23.7M — — — — −744.51% (below 0%: shrinking) — — Compare
IMMP Prima BioMed Ltd $23.7M — (loss-making) — — n/m −589,653.13% (below 0%: shrinking) 100.00% (101.89%) Compare
Median of peers $24.4M — — +87.78% — −15.18% 100.00% (101.89%)

All 614 Biotechnology stocks →

Atossa Therapeutics, Inc. (ATOS) key facts

  • Atossa Therapeutics, Inc. (ATOS) is a Biotechnology company in the Healthcare sector, listed on Nasdaq.
  • As of October 16, 2026, ATOS traded at $2.91, a market capitalization of $26.4 million.
  • Return on equity was −62.7% and debt-to-equity 0.00.

Source: company filings (standardised) and stockrow calculations · fundamentals updated Oct 2, 2026.

Atossa Therapeutics, Inc. (ATOS) Latest News

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stockrow.com/ATOS · Data as of Oct 2, 2026 · For information only; not investment advice. · © 2026 stockrow.com