Standard Nuclear Ownership & Insider Activity

Standard Nuclear (STDN) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 8.9% of shares outstanding. Institutional investors hold 0.7%.

Shares Outstanding

156.551M

Shares Float

75.849M

Insider Shares Owned

14.278M

Insider % Owned

8.9%

Institutional Shares Held

1.127M

Institutional % Held

0.7%

Ownership Breakdown

Net Insider Activity by Month

Standard Nuclear Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
Jul 16, 2026	Decisive Point Group LLC	—	BUY	17.937M	$15.00	$19.1M