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US Nuclear earnings and revenue breakdown
Latest: Q1 2026 · 10-Q filed Oct 13, 2026
Q1 2026 Revenue down 26% year over year to $352K · 53¢ of every $1 of revenue lost · operating margin -41.4%
US Nuclear made $352K in Q1 2026 (-26% Y/Y). Operating margin -41.4%, net loss $187K. See where every dollar goes — costs, profit and cash — as a Sankey from the 10-Q filed Oct 13, 2026.
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What changed this quarter
Revenue was $352K in Q1 2026, down 26% year over year and down 46% from the previous quarter.
Gross margin was 44.0%, down 29.2 points from Q1 2025. Operating costs exceeded revenue by $146K, an operating margin of -41.4%. Operating expenses fell 66% while revenue fell 26%. The quarter ended with a net loss of $187K, narrower than the previous quarter's $618K loss.
Operating cash flow was −$127K. Non-cash charges added back $1K of depreciation. Working capital and other items added $60K.
Quarterly history
| Quarter | Form | Filed | Revenue | Y/Y | Op. margin | Net earnings | Op. cash flow |
|---|---|---|---|---|---|---|---|
| Q1 2026 | 10-Q | Oct 13, 2026 | $352K | -26% | -41.4% | −$187K | −$127K |
| Q4 2025 | 10-K | Jun 23, 2026 | $650K | +45% | -0.2% | −$618K | −$103K |
| Q3 2025 | 10-Q | Jan 27, 2026 | $595K | -2% | -43.4% | $147K | $150K |
| Q2 2025 | 10-Q | Oct 27, 2025 | $447K | -11% | -34.9% | −$208K | −$154K |
| Q1 2025 | 10-Q | Aug 22, 2025 | $477K | -24% | -109.9% | −$560K | −$92K |
| Q4 2024 | 10-K | Jun 25, 2025 | $449K | -30% | -213.3% | −$1.0M | −$84K |
| Q3 2024 | 10-Q | Nov 27, 2024 | $611K | +3% | -11.3% | −$111K | −$236K |
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About US Nuclear
US Nuclear Corp f/k/a APEX 3 Inc., was incorporated in the State of Delaware on February 14, 2012, and has since amended its name to US Nuclear Corp., (“US Nuclear”) on May 4, 2012 with the State of Delaware. US Nuclear Corp was formed as a vehicle to pursue a business combination with an operating company that would have perceived benefits of becoming a publicly traded corporation. Optron Scientific was incorporated in the State of California in 1971 and is the operating company of US Nuclear Corp with two divisions, Optron Scientific Company, Inc., doing business as (“DBA”) Technical Associates and Overhoff Technology Corporation, both of which design, manufacture and market detection and monitor systems that are used to detect and identify radioactive material, leaks, waste, contamination, biohazards, nuclear material, as well as products used in airports, cargo, screening as ports…
In its own words, from its 10-K, filed Jun 23, 2026.
US Nuclear against its Measuring & Controlling Devices, NEC peers
The largest companies of the same SEC industry, each at its latest quarter. Revenue growth: -26% against the peers' median +9%. Operating margin: -41.4% against the peers' median 6.2%.
| Company | Quarter | Revenue | Y/Y | Op. margin |
|---|---|---|---|---|
| US Nuclear | Q1 2026 | $352K | -26% | -41.4% |
| TMO Thermo Fisher Scientific | Q3 2026 | $12.1B | +9% | 18.6% |
| ROK Rockwell Automation | Q4 FY26 | $2.3B | +0.7% | 18.6% |
| TRMB Trimble | Q3 2026 | $967M | +7% | 14.7% |
| ONTO Onto Innovation | Q2 2026 | $343M | +35% | 18.5% |
| MIR Mirion Technologies | Q3 2026 | $278M | +24% | 6.2% |
| OWLT Owlet | Q2 2026 | $33.9M | +30% | 5.1% |
| GEOS Geospace Technologies | Q3 FY26 | $15.8M | -36% | -64.1% |
| BCHT Birchtech | Q2 2026 | $3.8M | +16% | -42.8% |
Source: US Nuclear 10-Q on SEC EDGAR · CIK 1543623 · Measuring & Controlling Devices, NEC