Standard Nuclear, Inc. (STDN)
Latest STDN Insider Trades
About Standard Nuclear, Inc. (STDN)
Standard Nuclear Inc is an independent advanced nuclear fuel company. The company designs, engineers, and manufactures advanced nuclear fuels, with a primary focus on TRISO fuel for advanced reactors. Its operations include industrial-scale TRISO fuel manufacturing and the development of fuel for advanced reactors that utilize TRISO fuel. The company operates in a single operating and reportable segment, as it is engaged in a single business activity of TRISO production. It derives revenue from fuel development and services agreements. Geographically, the maximum revenue is generated from the United States.
- OAK RIDGE, TN
- 2026
- XNYS
https://www.standardnuclear.comSEC filings for STDN on EDGAR
90-Day SEC Filing Activity
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market purchase | 1 | 1,275,496 | $19.13M |
| Grant or award | 16 | 8,458,076 | |
| Bona-fide gift | 10 | 2,568,748 |
STDN Insider Transactions (Form 4)
6617 Form 4 filings on record, the earliest from Jul 17, 2026, newest first.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Seth Michael Cohen - Director | Grant or award | Class A common stock | 13,255 |
Recent STDN Form 8-K Filings
5STDN Insider Trading - FAQ
What is the latest insider trade for STDN?
Standard Nuclear, Inc. (STDN) had 17 insider filings in the last 90 days, with the most recent on 2026-08-28. The full record for STDN runs to 17 Form 4 filings, the earliest from 2026-07-17. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
How many insiders are buying STDN stock?
1 insider purchase of STDN was filed in the last 90 days, totaling $19.13M.
How many insiders are selling STDN stock?
No insider sales of STDN were filed in the last 90 days.
Where can I see STDN SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page tracks STDN Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
How can I follow STDN insider buys?
Create a free InsiderAlpha account and press Watch on this page to add STDN to your watchlist. A free account also opens the full scored daily plan with every past day and 3 months of price history. No card is required. Sign up at https://insideralpha.ai/register.
More Materials Companies with Insider Activity
Recent Insider Filings
10Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
- - Seth Michael Cohen view on EDGAR
- - Seth Michael Cohen view on EDGAR
- - Fundomo SN-001, LP view on EDGAR
- - ST-1014 Fund I, a series of Fundomo Syndicates, LP view on EDGAR
- - Welara Capital Partners LLC Series 3 view on EDGAR
- - Kurt Amir Terrani view on EDGAR
- - Fundomo SN-001, LP view on EDGAR
- - Fundomo SN-001, LP view on EDGAR
- - Keeley Rose Marrocco view on EDGAR
Related Companies - Recent Insider Activity
Learn More
- What is SEC Form 4?
- The filing insiders must submit within two business days of a trade, and how to read its transaction codes.
- Insider activity in Materials
- Where STDN's peers are being bought and sold.
- Every recent Form 4
- The full market-wide feed, updated as filings arrive from SEC EDGAR.
Track STDN insider activity as it files
Real-time Form 4 alerts, AI-scored daily trade ideas and 10b5-1 plan flags.