Kiessling Heather - Insider Non-Derivative Transactions at ASP Isotopes Inc. (ASPI) - (SEC)

Updated on January 3, 2026.

According to recent SEC insider information filed on Dec 18, 2025, Kiessling Heather's relationship to ASP Isotopes Inc. (ASPI) is Officer (Chief Financial Officer), and currently has 732,500 shares of Common Stock.

The chart below shows the number of shares owned, and the table shows the recent insider transactions.

You can see similar information for other ASPI insiders.

Related Topics: SEC Topic List.

Data Source: SEC.

Kiessling Heather - Insider Non-Derivative Transactions of ASPI Common Stock

Kiessling Heather - Insider Non-Derivative Transactions at ASPI

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Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Dec 19, 2025	Sell -- (Common Stock)	80000	5.8	732500
Apr 15, 2025	Acquisition -- (Common Stock)	400000	0	812500
Jul 2, 2024	Acquisition -- (Common Stock)	400000	0	412500