Skip to content
Insider tapeFilings through Fri, Oct 9
Watchlist
STDN

Standard Nuclear (STDN) stock: insider trades, news & valuation

Net buying
Close · Oct 9, 2026 $13.69 +1.5% on the day +11.3% over 12 months 52-week range $7.33 – $16.56

Share price and insider trades

STDN closeInsider buyInsider sale
5101520AugSepOctBought $19,132,440 on 2026-07-16 · Decisive Point Group, Llc
Bought, 12 months$19.1M
Sold, 12 months$0
Insiders buying1
Insiders selling0

Standard Nuclear insider trading at a glance (Oct 9, 2026): in the past 12 months, 1 insider bought $19.1M and 0 sold $0 of STDN stock on the open market.

STDN insider buying and selling by quarter

Open-market purchases (green, above the line) and sales (red, below), by trade date.

Q3 2026: $19.1M bought (1 trades)$19.1MQ3 2026Q4 2026
QuarterBoughtPurchasesSoldSales
Q4 2026—0—0
Q3 2026$19.1M1—0

Valuation, profit and volume

P/E (trailing)n/aSector median —
Market value— 
Profit margin—Revenue growth —
Volume vs. 50-day0.7×Last 5 sessions
Insiders' paper profit−$1.7MOn all tracked purchases -8.7%

Summary

Over the past 12 months, 1 Standard Nuclear, Inc. insider reported open-market purchases totaling $19.1M, while 0 insiders reported sales totaling $0.

Insider transactions

Open-market purchases and sales.

Filed Insider Type Shares Price Value Since Score
Jul 17SEC Decisive Point Group, Llc10% Owner Buy 1,275,496new position $15.00 $19.1M -8.7% —

Insiders at Standard Nuclear, Inc.

InsiderBoughtSoldLast filingScore
Decisive Point Group, Llc10% Owner $19.1M — Jul 17, 2026 —

STDN stock: common questions

Are Standard Nuclear, Inc. insiders buying STDN stock?

In the past 12 months, 1 insiders reported open-market purchases of STDN worth $19.1M. The latest was 10% Owner Decisive Point Group, Llc bought $19.1M of STDN at $15.00 — first open-market purchase in our records; opens a new position.

Are Standard Nuclear, Inc. insiders selling STDN stock?

0 insiders reported sales worth $0 over the same period.

Where does this data come from?

Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.

What is STDN's 52-week range?

Over the past year STDN has traded between $7.33 and $16.56. It last closed at $13.69 on Oct 9, 2026.