Atossa Therapeutics

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About ATOS

Atossa Therapeutics, Inc. operates as a clinical-stage biopharmaceutical company, which engages in the development of novel therapeutics and delivery methods for the treatment of breast cancer and other breast conditions. The company was founded by Steven C. 

CEO
Steven C. Quay
CEOSteven C. Quay
Employees
14
Employees14
Headquarters
Seattle, Washington
HeadquartersSeattle, Washington
Founded
2008
Founded2008
Employees
14
Employees14

ATOS Key Statistics

Market cap
24.08M
Market cap24.08M
Price-Earnings ratio
-0.56
Price-Earnings ratio-0.56
Dividend yield
—
Dividend yield—
Average volume
98.55K
Average volume98.55K
High today
$2.74
High today$2.74
Low today
$2.12
Low today$2.12
Open price
$2.45
Open price$2.45
Volume
263.87K
Volume263.87K
52 Week high
$18.00
52 Week high$18.00
52 Week low
$1.70
52 Week low$1.70

Stock Snapshot

With a market cap of 24.08M, Atossa Therapeutics(ATOS) trades at $2.44. The stock has a price-to-earnings ratio of -0.56.

On 2026-10-11, Atossa Therapeutics(ATOS) stock moved within a range of $2.12 to $2.74. With shares now at $2.44, the stock is trading +15.1% above its intraday low and -10.9% below the session's peak.

Trading activity shows a volume of 263.87K, compared to an average daily volume of 98.55K.

The stock's 52-week range extends from a low of $1.70 to a high of $18.00.

The stock's 52-week range extends from a low of $1.70 to a high of $18.00.

ATOS News

TipRanks 2d
Atossa’s-Endoxifen Trial Targets Rare Childhood Puberty Disorder, Opening a New Pipeline Angle

Atossa Therapeutics, Inc. (ATOS) announced an update on their ongoing clinical study. Atossa Therapeutics, Inc. is launching a Phase 2 study of its oral drug (...

TipRanks 2d
Atossa Therapeutics Announces CVR Dividend for Shareholders

Atossa Therapeutics ( (ATOS) ) just unveiled an update. On October 8, 2026, Atossa Therapeutics’ board approved a stapled contingent value right (CVR) dividend...

TipRanks 2d
Atossa Therapeutics enters Stapled Contingent Value Rights Agreement

Atossa Therapeutics (ATOS) announced that it has entered into a definitive Stapled Contingent Value Rights Agreement with VStock Transfer as rights agent, imple...

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