LYTIR

Company · STDN

Standard Nuclear, Inc.

Nasdaq's symbol directory lists STDN on the New York Stock Exchange as “Standard Nuclear, Inc. Class A Common Stock”.

In the 12 months to Nov 8, 2026: insiders bought on 1 occasion ($19.1M); 1 filing by holders of 5% or more.

All insider filings at the SEC

Insider trades · SEC Form 4

Those inside the hall

Open-market purchases and sales only. Legs one person filed for one day are combined.

Who traded

  1. Decisive Point Group, LLC bought on 1 day latest Jul 16, 2026 bought $19.1M
Every trade (1)
  1. BUYDecisive Point Group, LLC bought Jul 16, 2026 1,275,496 shares filing $19.1M

Large holders · SEC Schedules 13D and 13G

Five percent and over

Anyone who comes to hold more than 5% of a company's voting shares must tell the SEC. A Schedule 13D is filed by a holder who may seek to influence the company; a 13G by one who states it is a passive investor. An amendment updates an earlier filing, and a stake reported as 0% means the holder says it has sold all, or nearly all, of its shares. Every recent 13D and 13G

  1. Decisive Point Group, LLC filed Jul 23, 2026 Schedule 13G passive filing 17.83%

Sources: SEC EDGAR (Forms 4 and 144) and STOCK Act periodic transaction reports. Filings can be late, amended or wrong at the source; see methodology.