Atossa Therapeutics, Inc.

ATOSNASDAQHealthcare● Active

$4.55

+$0.08(+1.79%)

Market Cap$39181997

P/E Ratio—

52W High$19.35

52W Low$3.76

Avg Volume63K

Open$4.47

Beta1.15

Overview

Atossa Therapeutics, Inc. (ATOS) Number of Employees – History & Annual Headcount

Annual SEC headcount, year-over-year change, and per-employee efficiency — chart and full history below.

SEC EDGAR · FMP · ATOS · as of Mar 25, 2026

Latest filing snapshot

+1+7.69%vs prior year

Atossa Therapeutics, Inc. (ATOS) employee data is sourced from the annual SEC 10-K filing. As of 2025, full-time employees only. Global consolidated headcount. View SEC filing ↗

SEC 10-K·Period end: 2025-12-31·Full-time · Global

Total Employees

Change (1Y)

Growth % (1Y)

+7.69%

Revenue / Employee

—

Net Income / Employee

$-2.48M

Market Cap

$39M

ATOS Employee Count

2012 – 2025 · Annual · SEC filing

Source: SEC annual filings · Hover bar to view year data · Click to view original filing

Employees History

Filing Date	Period End	Employees	Change (1Y)	Growth (1Y)
2026-03-25	2025-12-31	14	+1	+7.69%
2025-03-25	2024-12-31	13	+3	+30.00%
2024-04-01	2023-12-31	10	+1	+11.11%
2023-03-22	2022-12-31	9	+5	+125.00%
2022-02-28	2021-12-31	4	+0	+0.00%
2021-03-31	2020-12-31	4	+2	+100.00%
2020-03-26	2019-12-31	2	+0	+0.00%
2019-03-28	2018-12-31	2	+0	+0.00%
2018-03-08	2017-12-31	2	+0	+0.00%
2017-03-16	2016-12-31	2	+0	+0.00%

▸ Source: SEC Annual Reports (Form 10-K / 20-F). Employee counts as of fiscal year end. Click the ↗ icon at the end of a row to open the original SEC filing in a new tab.

Related Companies — Employee Count

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IMMX

Immix Biopharma, Inc.

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ATOS

Atossa Therapeutics, Inc.YOU

14$39M #6

COYA

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GLSI

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Source: /stock-peers + /profile.fullTimeEmployees · Click row → /employees · Sorted by headcount · ATOS peer comparison

About ATOS employees

ATOS Employees · Headcount

Atossa Therapeutics, Inc. (ATOS) employee data is sourced from the annual SEC 10-K filing. As of 2025, Atossa Therapeutics, Inc. had 14 full-time employees globally. Full-time employees only. Global consolidated headcount.

Atossa Therapeutics, Inc.'s workforce increased by 1 (7.69%) in 2025 compared to the prior fiscal year. The historical trend reflects the company's expansion and contraction cycles.

Revenue Financial statements Net income SEC filings Price history Forecast & ratings Ownership Earnings

Frequently Asked Questions

ATOS Employees · 5 questions

As of the latest SEC 10-K filing (2025), Atossa Therapeutics, Inc. had 14 full-time employees globally. This figure is sourced from the company's mandatory annual disclosure to the SEC.

Atossa Therapeutics, Inc. employee counthow many employees does Atossa Therapeutics, Inc. haveATOS total employees 2025

▸ Data source: FMP /historical-employee-count · SEC EDGAR annual filings · As reported · Global consolidated headcount · As of 2026-03-25