ATOSSA THERAPEUTICS, INC.
Business
ATOSSA THERAPEUTICS, INC. is a clinical-stage biopharmaceutical company developing proprietary medicines in oncology with a focus on women’s breast cancer and related breast conditions. Its primary product candidate is oral (Z)-endoxifen, being developed for both prevention and treatment of breast cancer, with oral and topical formulations also studied; the company also pursues immunotherapy and CAR‑T-related programs. Operations center on research and clinical development (Phase 1 and Phase 2 trials), patent prosecution and third‑party manufacturing collaborations. It conducts clinical trials and regulatory interactions in the U.S., E.U. and U.K., and uses qualified third‑party contractors for manufacturing, distribution and clinical study support.
Summary from filing dated 2025-03-25
Financials
Consolidated Statement of Income
| Concept | Trend | FY 2025 2025-12-31 | FY 2024 2024-12-31 | FY 2023 2023-12-31 | FY 2022 2022-12-31 | FY 2021 2021-12-31 |
|---|---|---|---|---|---|---|
| Research and development | 21 | 14 | 17 | 15 | 9 | |
| General and administrative | 16 | 14 | 14 | 13 | 11 | |
| Total operating expenses | 37 | 28 | 31 | 28 | 21 | |
| Operating loss | −37 | −28 | −31 | −28 | −21 | |
| Impairment charge on investment in equity securities | 0 | −2 | −3 | 0 | — | |
| Interest income | 2 | 4 | 4 | 877,000 | 6,000 | |
| Other expense, net | −6,000 | −223,000 | −70,000 | −146,000 | −91,000 | |
| Loss before income taxes | −35 | −26 | −30 | −27 | −21 | |
| Income taxes benefit | 0 | 0 | 0 | 0 | 0 | |
| Net loss | −35 | −26 | −30 | −27 | −21 | |
| Net loss per share of common stock - basic (in dollars per share) | −4.04 | −3.04 | −0.24 | −0.21 | −0.18 | |
| Net loss per share of common stock - diluted (in dollars per share) | −4.04 | −3.04 | −0.24 | −0.21 | — | |
| Weighted average shares outstanding used to compute net loss per share- basic (in shares) | 9 | 8 | 126 | 127 | 117 | |
| Weighted average shares outstanding used to compute net loss per share - diluted (in shares) | 9 | 8 | 126 | 127 | — |
Consolidated Balance Sheet
| Concept | Trend | FY 2025 2025-12-31 | FY 2024 2024-12-31 | FY 2023 2023-12-31 | FY 2022 2022-12-31 | FY 2021 2021-12-31 |
|---|---|---|---|---|---|---|
| Cash and cash equivalents | 41 | 71 | 88 | 111 | 136 | |
| Restricted cash | 110,000 | 110,000 | 110,000 | 110,000 | 110,000 | |
| Prepaid materials | 3 | 2 | 1 | 5 | — | |
| Prepaid expenses and other current assets | 1 | 1 | 2 | 1 | — | |
| Total current assets | 46 | 74 | 92 | 118 | 141 | |
| Other assets | 2 | 2 | 2 | 635,000 | 22,000 | |
| Total Assets | 48 | 76 | 96 | 124 | 141 | |
| Accounts payable | 4 | 679,000 | 806,000 | 3 | 2 | |
| Accrued expenses | 1 | 919,000 | 973,000 | 1 | 204,000 | |
| Payroll liabilities | 2 | 2 | 2 | 2 | 1 | |
| Other current liabilities | 1 | 2 | 2 | 19,000 | 21,000 | |
| Total current liabilities | 8 | 5 | 5 | 6 | 3 | |
| Total Liabilities | 8 | 5 | 5 | 6 | 3 | |
| Commitments and contingencies (Note 13) | — | — | — | — | — | |
| Common stock - $0.18 par value; 350,000,000 shares authorized 8,611,361 and 8,611,266 shares issued and outstanding as of December 31, 2025 and 2024 | 2 | 2 | 23 | 23 | 23 | |
| Additional paid-in capital | 286 | 283 | 256 | 251 | — | |
| Treasury stock, at cost; 88,003 shares of common stock at December 31, 2025 and 2024 respectively | −1 | −1 | −1 | 0 | — | |
| Accumulated deficit | −247 | −212 | −186 | −156 | −129 | |
| Total Stockholders' Equity | 39 | 71 | 91 | 118 | 138 | |
| Total Liabilities and Stockholders' Equity | 48 | 76 | 96 | 124 | 141 |
Consolidated Statement of Cash Flows
| Concept | Trend | FY 2025 2025-12-31 | FY 2024 2024-12-31 | FY 2023 2023-12-31 | FY 2022 2022-12-31 | FY 2021 2021-12-31 |
|---|---|---|---|---|---|---|
| Stock-based compensation | 3 | 2 | 5 | 7 | — | |
| Depreciation | 16,000 | 17,000 | 23,000 | 8,000 | — | |
| Loss on disposal of assets | 0 | 7,000 | 0 | 3,000 | 0 | |
| Prepaid materials | −983,000 | −611,000 | 3 | −3 | −674,000 | |
| Prepaid expenses and other current assets | 37,000 | 997,000 | 1 | 180,000 | — | |
| Other assets | 4,000 | 331,000 | −2 | −597,000 | 0 | |
| Accounts payable | 4 | −127,000 | −2 | 1 | 128,000 | |
| Accrued expenses | 388,000 | −54,000 | −86,000 | 855,000 | 111,000 | |
| Payroll liabilities | −304,000 | 208,000 | 129,000 | 341,000 | 220,000 | |
| Other current liabilities | −410,000 | −296,000 | 2 | −2,000 | 17,000 | |
| Net cash used in operating activities | −30 | −21 | −21 | −21 | −16 | |
| Purchase of property and equipment | −23,000 | −19,000 | −14,000 | −27,000 | −9,000 | |
| Net cash used in investing activities | −23,000 | −19,000 | −14,000 | −5 | −9,000 | |
| Proceeds from exercise of warrants | 0 | 4 | 0 | 0 | 44 | |
| Net cash provided by financing activities | 0 | 4 | −1 | 0 | 113 | |
| NET DECREASE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH | −30 | −17 | −22 | −25 | 97 | |
| Common stock issued upon cashless exercise of stock options | 0 | 273,000 | 0 | 0 | 1 | |
| Conversion of Series B convertible preferred stock to common stock | 5,000 | 0 | — | — | — |