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ASP Isotopes (ASPI) Insider Trading & Ownership

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$2.91 +0.21 (+7.78%)
Closing price 10/2/2026 04:00 PM Eastern
Extended Trading
$2.92 +0.00 (+0.17%)
As of 10/2/2026 07:59 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.

ASP Isotopes (NASDAQ:ASPI) Insider Buying and Selling Activity

Current
Insider Ownership
Percentage
14.40%
Number Of
Insiders Buying
(Last 12 Months)
1
Amount Of
Insider Buying
(Last 12 Months)
$61.80K
Number Of
Insiders Selling
(Last 12 Months)
6
Amount Of
Insider Selling
(Last 12 Months)
$6.86M
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ASPI Insider Buying and Selling by Quarter

ASP Isotopes Insider and Congressional Trades History

Transaction DateInsiderBuy/SellNumber of SharesAverage Share PriceTotal TransactionDetails
9/30/2026Buy15,000$2.68$40,200.00  
9/28/2026Buy8,000$2.70$21,600.00  
9/8/2026Sell8,438$4.29$36,199.02  
9/4/2026Sell83,759$4.10$343,411.90  
9/2/2026Sell83,758$3.91$327,493.78  
9/2/2026Sell25,000$3.90$97,500.00  
7/1/2026Sell23,124$6.28$145,218.72  
6/30/2026Sell30,000$6.27$188,100.00  
6/29/2026
Todd Wider
Todd Wider
Director
Sell50,000$6.25$312,500.00  
6/8/2026Sell8,438$7.00$59,066.00  
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6/3/2026Sell83,759$7.76$649,969.84  
6/2/2026Sell83,758$8.29$694,353.82  
4/16/2026
Duncan Moore
Director
Sell11,642$5.21$60,654.82  
4/16/2026Sell22,500$5.21$117,225.00  
4/15/2026Sell23,124$5.48$126,719.52  
3/6/2026Sell8,438$5.44$45,902.72  
3/6/2026Sell25,000$4.51$112,750.00  
12/18/2025Sell80,000$5.80$464,000.00  
12/8/2025Sell8,438$6.20$52,315.60  
12/1/2025Sell162,153$5.75$932,379.75  
11/25/2025Sell50,000$5.77$288,500.00  
11/25/2025Sell25,000$5.77$144,250.00  
11/17/2025Sell112,500$7.51$844,875.00  
11/17/2025Sell67,500$7.51$506,925.00  
10/14/2025Sell22,500$13.60$306,000.00  
(Data available from 1/1/2013 forward)

ASPI Insider Trading Activity - Frequently Asked Questions

The list of insiders at ASP Isotopes includes Ak Jensen Investment Managemen, Duncan Moore, Heather Kiessling, Michael Gorley, Paul Elliot Mann, Robert Ainscow, Robert John Andrew Ryan, and Todd Wider. Learn more on insiders at ASPI.

14.40% of ASP Isotopes stock is owned by insiders. Learn more on ASPI's insider holdings.

The following insider purchased ASPI shares in the last 24 months: Robert John Andrew Ryan ($61,800.00).

Insiders have purchased a total of 23,000 ASPI shares in the last 24 months for a total of $61,800.00 bought.

The following insiders have sold ASPI shares in the last 24 months: Duncan Moore ($756,654.82), Heather Kiessling ($735,938.24), Michael Gorley ($812,100.00), Paul Elliot Mann ($9,053,296.57), Robert Ainscow ($2,308,113.14), and Todd Wider ($961,686.08).

Insiders have sold a total of 2,249,195 ASP Isotopes shares in the last 24 months for a total of $14,627,788.85 sold.



Insider trading data for NASDAQ:ASPI was last updated on 9/30/2026, the date of the most recent reported insider or congressional trade. New trades are added as they're reported.
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