STDN insider trading

NYSE Basic Materials

Standard Nuclear, Inc.: insider trade history from SEC Form 4 filings.

Total Form 4 trades
45
Last 90 days
2
Buys / sells
2% / 0%
Market cap
$1.94B

About Standard Nuclear, Inc.

Standard Nuclear, Inc. operates as an independent advanced nuclear fuel company in the United States. It engages in design, engineer, and manufacturing of advanced nuclear fuels with a primary focus on TRISO fuel that is utilized by advanced reactors. It serves developers of advanced reactors designing SMRs and microreactors; and federal agencies pursuing HALEU -fueled demonstration reactors and mobile microreactor systems, including mission deployments. The company was incorporated in 2024 and is headquartered in Oak Ridge, Tennessee.

Company website: www.standardnuclear.com

STDN insider activity at a glance

FilingIQ tracks 45 insider transactions for STDN in filings since Jul 17, 2026. The most recent transaction is dated Aug 12, 2026.

Across the full history, 1 open-market purchases and 0 open-market sales were filed under transaction codes P and S respectively. Compensatory share awards (code A) and option exercises (code M) are tracked separately and not counted here.

How FilingIQ classifies each line, and the seven facts it shows on every open-market purchase and sale, are documented on the methodology page.

Latest STDN Form 4 filings

Most recent disclosures. Sign up to filter by transaction code, insider role or dollar value.

Other Basic Materials tickers with recent insider activity

Frequently asked

How many insider trades does FilingIQ track for STDN?
FilingIQ tracks 45 Form 4 insider transactions for STDN (Standard Nuclear, Inc.), covering filings from Jul 17, 2026 onwards. 2 of those are dated within the last 90 days.
Are STDN insiders net buyers or net sellers?
Across the full Form 4 history for STDN, 1 transactions (2%) were open-market purchases and 0 (0%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
Where does STDN insider data come from?
Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ links every filing to the insider's SEC CIK, marks plan trades, tax withholding, option exercises, gifts, derivatives and amendments, and shows each open-market purchase and sale with the same fixed facts. It does not rate the stock.
What sector is STDN in?
Standard Nuclear, Inc. (STDN) is classified in the Basic Materials sector, specifically Specialty Chemicals, with a current market capitalisation of $1.94B.

Methodology & sources

Every STDN insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). How lines are classified and which facts FilingIQ adds is documented on the methodology page; the people behind it are on the team page. Not investment advice; see disclaimer.