Fundraising Fox

US Nuclear

OTC: UCLE

Canoga Park, US · Founded 2012 · Delaware corporation · 2 known investors

Energy

Founders & leadership

RG
Robert GoldsteinExecutive
RI
ROBERT I GOLDSTEINNamed on SEC filing

Investors · 2

DCVC (Data Collective)reportedPalo Alto · $5M – $25M
Stepstone GroupreportedCharlotte

Reported raises · per SEC filings

Form D private placements

$2M disclosed across 4 of 6 rounds · 2014–2025

▶$240KofferedApr 2025 · Other
Rule 506(b)
Officers, directors & promoters on the filing
  • Robert GoldsteinExecutive Officer
Offering amount
$240K
Minimum investment
$1K
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$72KofferedDec 2024 · Other
Rule 506(b)
Officers, directors & promoters on the filing
  • Robert GoldsteinExecutive Officer
Offering amount
$72K
Minimum investment
$1K
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$1.9MraisedDec 2024 · 2 investors · Other
Rule 506(b)
Officers, directors & promoters on the filing
  • Robert GoldsteinExecutive Officer
Offering amount
$10M
Amount sold
$1.9M
Minimum investment
$1K
Proceeds to insiders
$1.9M
First sale
Oct 2024
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$99KraisedSep 2016 · 1 investors · Other Energy
Rule 506(b)
Officers, directors & promoters on the filing
  • Robert GoldsteinExecutive Officer
Offering amount
$600K
Amount sold
$99K
Minimum investment
$35K
First sale
Sep 2016
Incorporated
Corporation, Delaware, 2012
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$13KraisedApr 2014 · 3 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • ROBERT I GOLDSTEINExecutive Officer, Director
Offering amount
$100K
Amount sold
$13K
Minimum investment
$1K
First sale
Apr 2014
Incorporated
Corporation, Delaware, 2012
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$45raisedJan 2014 · 1 investors · Other
Rule 506(b)
Officers, directors & promoters on the filing
  • ROBERT I GOLDSTEINExecutive Officer, Director
Offering amount
$45
Amount sold
$45
First sale
Jan 2014
Incorporated
Corporation, Delaware, 2012
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

In the news

US Nuclear Startup Radiant Raises $165 Million for Micro-Reactor Design - Bloombergbloomberg.com · May 2025

Frequently asked questions

Who are US Nuclear's investors?
US Nuclear's investors include DCVC (Data Collective), Stepstone Group.
How much funding has US Nuclear raised?
US Nuclear has disclosed $2M raised across 4 of its 6 known rounds.
Where is US Nuclear headquartered?
US Nuclear is headquartered in Canoga Park, US.