0001921865 2026-07-16 2026-07-16 0001921865 1 2026-07-16 2026-07-16 iso4217:USD pure N/A N/A EX-FILING FEES S-3ASR 0001921865 ASP Isotopes Inc. S-3ASR false Equity Common Stock, $0.01 par value true 23160682 4.76 110244846.32 0.00013810 15224.81 110244846.32 15224.81 15224.81 (1) Consists of 23,160,682 shares of common stock, par value $0.01 per share (“Common Stock”), issued to selling stockholders. Pursuant to Rule 416 under the Securities Act of 1933, as amended (the “Securities Act”), the shares of Common Stock being registered hereunder include such indeterminate number of shares of Common Stock as may be issuable with respect to the shares of Common Stock being registered hereunder as a result of stock splits, stock dividends or similar transactions. (2) Estimated solely for the purpose of calculating the amount of the registration fee pursuant to Rule 457(c) of the Securities Act, based on the average of the high and low prices for a share of the registrant’s Common Stock as reported on the Nasdaq Capital Market on July 15, 2026, which date is a date within five business days prior to the filing of this registration statement, of $4.76.