Company filings profile · CIK 0001543623
US NUCLEAR CORP. — SEC filings & insider activity.
Real, source-linked SEC EDGAR activity for US NUCLEAR CORP.: 1 filings in the last 90 days vs 3 in the prior 90 (filing-velocity cooling ↓ · 0.33×). Latest material 8-K events, insider Form-4 transactions, and periodic reports — monitored for change.
✔ Verified against the public SEC EDGAR filing record as of Oct 14, 2026. Source-linked, daily-refreshed.
Material 8-K events — US NUCLEAR CORP.
8-K disclosures decoded by item code (the material events: agreements, results, control/management changes, impairments, restatements).
| Filed | Event | |
|---|---|---|
| Apr 22, 2026 | Departure/Election of Directors or Officers | ↗ |
| Nov 4, 2025 | Change in Auditor; Financial Statements and Exhibits | ↗ |
| Dec 20, 2024 | Departure/Election of Directors or Officers | ↗ |
| Dec 12, 2024 | Departure/Election of Directors or Officers | ↗ |
| Oct 10, 2023 | Departure/Election of Directors or Officers | ↗ |
| Aug 18, 2023 | Departure/Election of Directors or Officers | ↗ |
Watch US NUCLEAR CORP. automatically
Add this company to a watchlist and get a webhook/email the moment it files a material 8-K, an insider Form 4, or changes its risk-factor language.
Insider transactions (Form 4 / 3 / 5)
| Filed | Form | |
|---|---|---|
| No insider filings in the current window. | ||
Recent filings
| Filed | Form | Detail | |
|---|---|---|---|
| Oct 13, 2026 | 10-Q | QUARTERLY REPORT | ↗ |
| Jun 23, 2026 | 10-K | ANNUAL REPORT | ↗ |
| May 14, 2026 | NT 10-Q | NOTIFICATION OF LATE FILING | ↗ |
| Apr 22, 2026 | 8-K | Departure/Election of Directors or Officers | ↗ |
| Mar 31, 2026 | NT 10-K | EXTENSION | ↗ |
| Jan 27, 2026 | 10-Q | QUARTERLY REPORT | ↗ |
| Nov 14, 2025 | NT 10-Q | NOTIFICATION OF LATE FILING | ↗ |
| Nov 5, 2025 | 8-K/A | Change in Auditor; Financial Statements and Exhibits | ↗ |
| Nov 4, 2025 | 8-K | Change in Auditor; Financial Statements and Exhibits | ↗ |
| Oct 27, 2025 | 10-Q | QUARTERLY REPORT | ↗ |
| Aug 22, 2025 | 10-Q | QUARTERLY REPORT | ↗ |
| Jun 25, 2025 | 10-K | ANNUAL REPORT | ↗ |
| Apr 4, 2025 | D | Item 06b | ↗ |
| Mar 31, 2025 | NT 10-K | NOTIFICATION OF LATE FILING | ↗ |
| Dec 27, 2024 | D | Item 06b | ↗ |
| Dec 27, 2024 | D | Item 06b | ↗ |
| Dec 20, 2024 | 8-K | Departure/Election of Directors or Officers | ↗ |
| Dec 12, 2024 | 8-K | Departure/Election of Directors or Officers | ↗ |
| Nov 27, 2024 | 10-Q | QUARTERLY REPORT | ↗ |
| Nov 15, 2024 | NT 10-Q | NOTIFICATION OF LATE FILING | ↗ |
| Oct 4, 2024 | 10-Q | QUARTERLY REPORT | ↗ |
| Aug 16, 2024 | NT 10-Q | NOTIFICATION OF LATE FILING | ↗ |
| Aug 1, 2024 | 10-Q | QUARTERLY REPORT | ↗ |
| May 16, 2024 | NT 10-Q | NT 10-Q | ↗ |
| May 10, 2024 | 10-K | ANNUAL REPORT | ↗ |
| Mar 29, 2024 | NT 10-K | NOTIFICATION OF LATE FILING | ↗ |
| Nov 20, 2023 | 10-Q | QUARTERLY REPORT | ↗ |
| Nov 14, 2023 | NT 10-Q | NOTIFICATION OF LATE FILING | ↗ |
| Oct 10, 2023 | 8-K | Departure/Election of Directors or Officers | ↗ |
| Aug 21, 2023 | 10-Q | QUARTERLY REPORT | ↗ |
| Aug 18, 2023 | 8-K | Departure/Election of Directors or Officers | ↗ |
| Aug 11, 2023 | NT 10-Q | NOTIFICATION OF LATE FILING | ↗ |
| Jun 28, 2023 | 10-Q | QUARTERLY REPORT | ↗ |
| May 16, 2023 | NT 10-Q | NOTIFICATION OF LATE FILING | ↗ |
| May 12, 2023 | 10-K | 10-K | ↗ |
| Mar 31, 2023 | NT 10-K | NOTIFICATION OF LATE FILING | ↗ |
| Nov 22, 2022 | 10-Q | QUARTERLY REPORT | ↗ |
| Nov 14, 2022 | NT 10-Q | NOTIFICATION OF LATE FILING | ↗ |
| Sep 27, 2022 | 10-Q | QUARTERLY REPORT | ↗ |
| Aug 15, 2022 | NT 10-Q | NOTIFICATION OF LATE FILING | ↗ |