Skip to main content

US Nuclear Corp.

corporate_fare Company Profile

US Nuclear Corp.

UCLE·OTC·Industrial Applications And Services·CIK 0001543623

US Nuclear Corp. designs, manufactures, and markets detection and monitor systems. Its operating company, Optron Scientific, was incorporated in California in 1971 and operates through two divisions: Optron Scientific Company, Inc., doing business as Technical Associates, and Overhoff Technology Corporation. These divisions specialize in systems that detect and identify radioactive material, leaks, waste, contamination, biohazards, and nuclear material. The company's products are utilized in various critical environments, including airports, cargo screening at ports and borders, government buildings, and hospitals. They are also deployed by the military and emergency responder services. US Nuclear Corp. employs a diverse range of technologies in its product applications, such as x-ray, trace detection, millimeter-wave, infra-red, tritium detection, and diagnostics. US Nuclear Corp. is classified as a smaller reporting company under SEC Rule 405, with a public float of less than $250 million and annual revenues of less than $100 million during the most recently completed fiscal year for which audited financial statements are available. As a smaller reporting company, it adheres to specific financial reporting requirements under Rule 8-01 of Regulation S-X. On October 15, 2013, US Nuclear Corp, formerly known as APEX 3 Inc., a Delaware corporation, entered into an Agreement and Plan of Merger.

US Nuclear Corp. (OTC:UCLE) is a publicly traded company in the Industrial Applications And Services sector. Wiseek has independently scored 4 items for UCLE at importance 7 or higher on its 1–10 market-impact scale. Its most recent item scored 7 or higher is dated 2026-06-23, rated 9/10. Across its 4 most recent items scored 7 or higher, the top rating is 10/10, with 3 rated 8 or above. Recent SEC coverage for UCLE spans 10-K, 8-K, 10-Q.

Recent high-impact activity:

  • US Nuclear Corp. Reports FY25 Revenue of $2.17M, EPS $(0.02) as Going Concern Warning Looms
  • US Nuclear Corp. Reports Substantial Doubt About Going Concern, Ineffective Internal Controls, and Massive Potential Dilution
  • Director Michael Pope Resigns from US Nuclear Corp. Board Amidst Going Concern Warning
  • US Nuclear Corp. Discloses Going Concern Risk Amidst Operational Losses and Significant Dilutive Financing

Financial Snapshot

Fiscal year ended December 31, 2025
Revenue
2.17M
Net Income
-1.24M
Diluted EPS
-0.02
Op. Cash Flow
-199.34K
Gross Profit
1.09M
Operating Income
-939.44K
Cash & Equivalents
134.78K
Total Debt
531.69K
Debt / Equity
-1.04×
Net Margin
-57.1%
Shares Outstanding
62.82M sh
Source: 10-K · filed 2026-06-23 · accession 0001213900-26-070875

Short Interest & Short Volume

1.00 days to cover

FINRA reported short interest of 1,061 shares in UCLE as of the September 15, 2026 settlement, unchanged from the prior period — about 1.0 days to cover at its recent average daily volume.

Short interest (bi-monthly positions)1,061 shares as of September 15, 2026
Change vs prior period 0.0%
Days to cover1.00 at avg daily volume of 18,496

Daily short sale volume covers trades reported to FINRA trade-reporting facilities and is not the same as short interest (bi-monthly reported positions). Source: FINRA — FINRA is the owner and source of this short interest and short sale volume data; it may not be redistributed.

Browse all tickers starting with U →
$0.015 -0.00% today
52-week range · as of 2026-06-23 $0.0086 – $0.155
Market cap
$942.33K
Volume
50.9K (2.4× avg)
3-mo avg 21.4K
Live data · 2026-10-03 13:42 UTC · Market closed

show_chartPrice Chart

Loading chart...

feed UCLE - Latest Insights

UCLE
Jun 23, 2026, 9:15 AM EDT
Source: Wiseek News
Importance Score:
9
Price at Filing: $0.040
Real-time Price: $0.015 info
Change: -$0.025 (-63%) info
Market Cap: $942.335K info
UCLE
Jun 23, 2026, 9:08 AM EDT
Filing Type: 10-K
Importance Score:
10
Price at Filing: $0.040
Real-time Price: $0.015 info
Change: -$0.025 (-63%) info
Market Cap: $942.335K info
UCLE
Apr 22, 2026, 2:48 PM EDT
Filing Type: 8-K
Importance Score:
7
Price at Filing: $0.040
Real-time Price: $0.015 info
Change: -$0.025 (-63%) info
Market Cap: $942.335K info
UCLE
Jan 27, 2026, 12:43 PM EST
Filing Type: 10-Q
Importance Score:
9
Price at Filing: $0.060
Real-time Price: $0.015 info
Change: -$0.045 (-75%) info
Market Cap: $942.335K info
Research tools: Filing Impact Index Dilution Tracker Split Calendar Open Datasets