ASPI files Form 144 to sell 25,469 shares

ASPI submitted a Form 144 notice regarding the potential sale of 25,469 shares of Common Stock.

Rhea-AI Filing Summary

ASPI submitted a Form 144 notice regarding the potential sale of 25,469 shares of Common Stock. The shares were acquired as compensation (Restricted Stock Award) on 11/12/2025. The filing is dated 04/16/2026 and lists NASDAQ trading.

Insights

Securities Compliance Analyst

Form 144 notifies the market of an affiliate's intent to sell restricted shares.

Form 144 is a required notice under Rule 144 when affiliates or control persons plan to publicly sell restricted or control securities. The filing here lists 25,469 shares acquired as a Restricted Stock Award on 11/12/2025, indicating a compensation-origin grant being reported for resale.

Timing and placement details are not included in the excerpt; subsequent Form 4 or broker disclosures may show actual sale method and proceeds. Future filings will confirm whether the sales are executed and under which conditions.

Key Figures

Form date: 04/16/2026 Shares listed to be sold: 25,469 shares Acquisition date: 11/12/2025 +3 more

6 metrics

Form date 04/16/2026 Filing date listed on the excerpt

Shares listed to be sold 25,469 shares Securities To Be Sold entry in the filing

Acquisition date 11/12/2025 Date shares were acquired as a Restricted Stock Award

Exchange NASDAQ Trading market listed in the filing

Numeric reference 125,903,447 Numeric field present in the excerpt

Additional numeric fields 11,642; 62,633.96 Other numeric values shown in the excerpt

Key Terms

Restricted Stock Award, Equity Compensation, Form 144

3 terms

Restricted Stock Award financial

"Acquired as compensation --Restricted Stock Award"

A restricted stock award is company shares given to an employee or executive that cannot be sold or fully owned until certain conditions—like staying with the company for a set time or hitting performance targets—are met. Think of it as a gift that only becomes yours after you fulfill specific obligations; for investors, these awards matter because they can increase the total shares outstanding when they vest, reveal how management is being paid and motivated, and create potential selling pressure when restrictions lift.

Equity Compensation financial

"11/12/2025 Equity Compensation"

Equity compensation is pay given to employees, executives or contractors in the form of company ownership—such as stock, stock options or restricted shares—rather than just cash. It matters to investors because it can align workers' incentives with shareholders (like paying someone in slices of the same pie they help grow), but it also increases the number of shares outstanding and company expenses, affecting ownership percentages and earnings per share.

Form 144 regulatory

"Filer Information | 144: Filer Information"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does ASPI's Form 144 mean?

It notifies the SEC of a proposed resale of restricted shares. The filing lists 25,469 shares acquired as a Restricted Stock Award on 11/12/2025, indicating an affiliate intends to offer them for sale.

How many ASPI shares are listed for resale on the Form 144?

The Form 144 shows 25,469 shares of Common Stock listed under "Securities To Be Sold." The shares were recorded as acquired on 11/12/2025 as equity compensation.

When was ASPI's Form 144 filed?

The excerpt shows a filing date of 04/16/2026. This is the date associated with the Form 144 notice in the provided content.

Were the ASPI shares acquired as compensation?

Yes. The shares were acquired as a Restricted Stock Award and are labeled as Equity Compensation with an acquisition date of 11/12/2025 in the filing.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 04/17/2026 - 09:53 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001888265
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	ASP Isotopes Inc.
SEC File Number	001-41555
Address of Issuer	2200 ROSS AVENUE SUITE 4575E DALLAS TEXAS 75201
Phone	(214) 4328219
Name of Person for Whose Account the Securities are To Be Sold	Moore Duncan
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	DIRECTOR

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common Stock	Independent Trading Group (ITG) Inc. 33 Yonge Street Suite 420 Toronto A6 M5E 1G4	11642	62633.96	125903447	04/16/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common Stock	11/12/2025	Acquired as compensation --Restricted Stock Award	Issuer			25469	11/12/2025	Equity Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks	The sale of shares reported in this Form 144 was sold on the date indicated pursuant to a Rule 10b5-1 trading plan and includes an amount for the purpose of satisfying the Reporting Person's income tax liabilities resulting from the quarterly vesting of a previously granted restricted stock award pursuant to an issuer equity incentive plan. The Aggregate Market Value of the shares to be sold is based on the closing market price of $5.38 on April 15, 2026.
Date of Notice	04/17/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	12/31/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Duncan Moore
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)