ASP Isotopes Inc’s recently made public that its Chief Financial Officer Kiessling Heather unloaded Company’s shares for reported $0.46 million on Dec 18 ’25. In the deal valued at $5.80 per share,80,000 shares were sold. As a result of this transaction, Kiessling Heather now holds 732,500 shares worth roughly $5.24 million.
Then, Heather Kiessling bought 80,000 shares, generating $460,800 in total proceeds.
Before that, Ainscow Robert sold 8,438 shares. ASP Isotopes Inc shares valued at $52,341 were divested by the Interim CEO and COO at a price of $6.20 per share. As a result of the transaction, Ainscow Robert now holds 1,546,255 shares, worth roughly $11.07 million.
Cantor Fitzgerald initiated its ASP Isotopes Inc [ASPI] rating to an Overweight in a research note published on December 04, 2025; the price target was $13. A number of analysts have revised their coverage, including Canaccord Genuity’s analysts, who began to cover the stock in early October with a ‘”a Buy”‘ rating. H.C. Wainwright began covering ASPI with “Buy” recommendation on December 05, 2023.
Price Performance Review of ASPI
On Tuesday, ASP Isotopes Inc [NASDAQ:ASPI] saw its stock fall -4.41% to $7.16. Over the last five days, the stock has gained 9.98%. ASP Isotopes Inc shares have risen nearly 59.29% since the year began. Nevertheless, the stocks have risen 33.83% over the past one year.
How much short interest is there in ASP Isotopes Inc?
A steep rise in short interest was recorded in ASP Isotopes Inc stocks on 2025-12-31, growing by 1.85 million shares to a total of 20.66 million shares. Yahoo Finance data shows the prior-month short interest on 2025-11-28 was 18.81 million shares. There was a rise of 8.96%, which implies that there is a positive sentiment for the stock.
