Robert John Andrew Ryan - 30 Sep 2026 Form 4 Insider Report for ASP Isotopes Inc. (ASPI)

Reporting relationship: Director
Issuer ticker: ASPI
Reported as of: 30 Sep 2026
Net transaction value: +$40,200
SEC form: 4
Accepted by SEC: 01 Oct 2026, 17:52:58 UTC
Prior SEC filing: 30 Sep 2026
Source filing: View source filing
Reporting owner signature: /s/ Donald Ainscow, as attorney-in-fact

Key filing fact

Robert John Andrew Ryan filed Form 4 for ASP Isotopes Inc. (ASPI) on 01 Oct 2026.

Key facts

This page summarizes Robert John Andrew Ryan's Form 4 filing for ASP Isotopes Inc. (ASPI).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 01 Oct 2026, 17:52.

Change

Previous filing in this sequence was filed on 30 Sep 2026.
Current net transaction value: +$40,200.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002011790 Primary reporting owner

Ryan Robert John Andrew

Relationship: Director
Address: 2200 ROSS AVENUE, SUITE 4575E, DALLAS
Signature: /s/ Donald Ainscow, as attorney-in-fact
Signature date: 01 Oct 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ASPI transaction

Common Stock

Purchase

Transaction value: $40,200
Shares: +15,000
Change %: +2.3%
Price: $2.68
Shares after: 675,222
Date: 30 Sep 2026
Ownership: Direct
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $2.65 to $2.68, inclusive. The reporting person undertakes to provide ASP Isotopes Inc. (the "Company"), any stockholder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.