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US Nuclear Corp makes radiation detection and monitoring equipment for nuclear, medical, industrial and security uses. For the year ended December 31, 2025, revenue was $2,168,999, essentially flat versus 2024, while gross margin improved to 50.27% from 46.37% due to product mix.
The company recorded a net loss of $1,239,051, an improvement from a $1,739,926 loss in 2024, helped by a 20.4% reduction in selling, general and administrative expenses to $2,029,741. Results also reflected a $589,177 inventory write-down at the California facility and a $130,514 goodwill impairment, partly offset by $475,000 proceeds from MIFTI and MIFTEC.
Total assets fell to $1,921,883, while total liabilities declined to $2,435,574, reflecting lower customer deposits, deferred revenue, convertible debt and other borrowings. Operations remain funded by shareholder loans and new capital, including common stock sales and Series A preferred stock. Management discloses a need for approximately $5 million of additional capital over the next 12 months, ongoing dependence on its Overhoff tritium-monitor division, international growth ambitions, and significant reliance on key executives.
US Nuclear Corp. notified the SEC that it is unable to file its Form 10-Q for the period ended March 31, 2026 "without unreasonable effort or expense" and needs additional time to compile supporting documentation and allow its independent auditor to complete review. The company states it intends to file the Form 10-Q as soon as possible.
US Nuclear Corp reported that board member Michael Pope resigned from the company’s Board of Directors, effective immediately on April 16, 2026. The company states that Mr. Pope is leaving to pursue other opportunities and that his resignation did not result from any disagreement over operations, policies, or practices.
US Nuclear Corp. notified the SEC that it cannot timely file its Form 10-K for the period ended December 31, 2025 because it needs additional time to compile supporting documentation and to permit its independent registered public accounting firm to complete the audit; the company intends to file the Form 10-K as soon as possible.
US Nuclear Corp. reported Q3 2025 sales of $595,305, slightly below the prior year, but moved to net income of $147,355 versus a loss a year earlier. The quarter benefited from $475,000 of other income from terminating cooperative agreements with fusion-technology partners MIFTI and MIFTEC. For the first nine months, sales were $1,519,081, down about 13%, and the company recorded a net loss of $620,676.
At September 30, 2025, cash was $75,907 and total assets were $2,537,709, against total liabilities of $2,391,319. Shareholders’ equity improved to $146,390 from a deficit at year-end 2024, helped by share and preferred stock issuances, warrant-related capital, and debt conversions, including several related-party notes. The filing states that recurring losses and an accumulated deficit of $20,466,094 raise “substantial doubt” about the company’s ability to continue as a going concern, and management plans to seek about $5,000,000 in additional capital over the next twelve months.