Standard Nuclear (STDN) Stock Price, News & Analysis
What Changed
Price Move History
- Daily moves over 5%
- 27 69 sessions, July 16, 2026 to October 21, 2026
- Largest daily move
- +35.7% close of August 10, 2026
- 1-month change
- -5.7% closing prices, September 21, 2026 to October 21, 2026
Company Description
Standard Nuclear (NYSE: STDN) is classified in the specialty chemicals industry within the Basic Materials sector and carries a market capitalization of $2.0B.
STDN has declined 5.7% over the past month. The last closing price was $12.73.
This page collects what Stock Titan holds for STDN, including price data, latest news, SEC filings, upcoming events, and short interest trends.
Stock Performance
Standard Nuclear (STDN) closed at $12.73 on October 21, 2026. Over the past month, the price has lost 5.7%.
STDN Metrics & Rankings
Price returns through October 21, 2026. Month-to-date and YTD include the first trading day. Ranking links may use different dates.
Latest News
Standard Nuclear has 9 recent news articles. Of the recent coverage, 7 articles coincided with positive price movement and 0 with negative movement. Key topics include management, conferences, earnings date, IPO, offering. View all STDN news →
SEC Filings
Standard Nuclear has filed 10 recent SEC filings, including 5 Form 4, 2 Form 8-K, 1 Form 4/A, 1 Form 3/A. The most recent filing was submitted on October 19, 2026. SEC filings provide transparency into a company's financial condition, material events, and regulatory compliance. View all STDN SEC filings →
Financial Highlights
Upcoming Events
FSA contract end
Standard Nuclear has 1 upcoming scheduled event. The next event, "FSA contract end", is scheduled for December 31, 2035 (in 3356 days). Investors can track these dates to stay informed about potential catalysts that may affect the STDN stock price.
Short Interest History
Short interest in Standard Nuclear (STDN) currently stands at 3.1 million shares, up 20.9% from the previous reporting period, representing 3.0% of the float. Since July 2026, short interest has increased by 78.7%.
Days to Cover History
Days to cover for Standard Nuclear (STDN) currently stands at 5.8 days, up 101% from the previous period. The ratio is the reported short interest divided by the average daily trading volume. Since July 2026, the figure has increased by 458.3%. Across the settlements charted above, it has ranged from 1.0 to 5.8 days.
STDN Company Profile & Sector Positioning
Standard Nuclear (STDN) operates in the Specialty Chemicals industry within the broader Basic Materials sector and is listed on the NYSE.