STDN
Standard Nuclear, Inc. · Manufacturing · Market cap $356.5M
Insider Buying
$19.1M
reported purchases (SEC code P)
Insider Selling
$0
reported sales (SEC code S)
Unique Insiders
1
in the rolling window
Latest filing
Oct 19, 2026
Decisive Point Group, LLC
Standard Nuclear, Inc. (STDN) has 21 SEC Form 4 filings (50 transaction rows) in the rolling window, disclosed by 1 distinct insider. Most recent filing: Oct 19, 2026.
Inside the rolling window, 1 insider at Standard Nuclear, Inc. reported 1 open-market purchase totaling $19.1M and no open-market sales. Insiders have net bought $19.1M over the trailing 6 months. The largest single insider purchase in this window was $19.1M by 10% Owner Decisive Point Group, LLC on Jul 16, 2026.
- Industry:Chemicals - Specialty
- CEO:Kurt Terrani
- Employees:80
- HQ:Oak Ridge, TN, US
- IPO:2026-07-16
| Source | |||||||
|---|---|---|---|---|---|---|---|
Decisive Point Group, LLCFirst filing | 10% Owner | Purchase | 1,275,496 | $19.1M | Jul 17 | +22.4% | SEC ↗ |
Frequently asked questions
How many SEC Form 4 insider filings does STDN have?
Standard Nuclear, Inc. (STDN) has 21 SEC Form 4 filings (50 transaction rows) in the rolling 365-day window, disclosed by 1 distinct insider. Most recent filing: Oct 19, 2026.
When was the most recent SEC Form 4 filing for STDN?
The most recent Form 4 filing for STDN on Tracefour is dated Oct 19, 2026.
What is the net insider flow at STDN over the last 6 months?
Over the trailing 180 days, insiders at STDN have net bought $19.1M based on SEC Form 4 disclosures.
What was the largest insider purchase at STDN?
The largest single insider open-market purchase at STDN in the rolling window was $19.1M by 10% Owner Decisive Point Group, LLC on 2026-07-16.
What is the total insider buy and sell value at STDN in the current window?
Inside the rolling window, insiders at STDN bought $19.1M and sold $0 based on SEC Form 4 filings.
Can I get alerts for STDN insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at Standard Nuclear, Inc. (STDN). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
Standard Nuclear, Inc. is in the Manufacturing sector.