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ASP Isotopes Inc.

For the period ended Jun 30, 2025. Filed Aug 14, 2025.

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About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Jun 30, 2025 · Filed Aug 14, 2025

ASPI$2.08+20.6%Stored close · as of Nov 6, 2026

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Other Information

Item 5. Other Information.

Rule 10b5-1 Trading Plans

During the quarter ended June 30, 2025, our directors and/or officers (as defined in Rule 16a-1(f) under the Securities Exchange Act of 1934, as amended (the "Exchange Act")) adopted or terminated the contracts, instructions, or written plans for the purchase or sale of our securities set forth in the table below.

Name and TitleActionAdoption/ Termination DateRule 10b5-1 (1)Non-Rule 10b5-1 (2)Total Number of Shares of Common Stock to be Sold (3)Expiration Date
Paul E. Mann (Chief Executive Officer and Executive Chairman)AdoptionJune 9, 2025X—Up to 711,459(4)November 16, 2026
Robert Ainscow (Chief Operating Officer)AdoptionJune 9, 2025X—Up to 292,504(5)June 7, 2027

(1)

Contract, instruction or written plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) under the Exchange Act.

(2)

“Non-Rule 10b5-1 trading arrangement” as defined in Item 408(c) of Regulation S-K under the Exchange Act.

(3)

Represents the maximum number of shares that may be sold pursuant to the 10b5-1 arrangement. The number of shares sold will be dependent on the satisfaction of certain conditions as set forth in the trading plan.

(4)

Mr. Mann’s trading plan provides for sales of up to 711,459 shares of common stock to cover estimated tax withholding obligations arising from vesting of certain outstanding RSAs.

(5)

Mr. Ainscow’s trading plan provides for sales of up to 292,504 shares of common stock to cover estimated tax withholding obligations arising from vesting of certain outstanding RSAs.

Item 6. [Reserved]

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.