Donald Ainscow - Aug 1, 2025 Form 4 Insider Report for ASP Isotopes Inc. (ASPI)

Role
EVP, Gen Counsel, Secretary
Signature
/s/ Donald Ainscow
Stock symbol
ASPI
Transactions as of
Aug 1, 2025
Transactions value $
$0
Form type
4
Date filed
11/28/2025, 09:49 PM
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Ainscow Donald George EVP, Gen Counsel, Secretary C/O ASP ISOTOPES INC., 601 PENNSYLVANIA AVENUE NW, STE 900, WASHINGTON, DC /s/ Donald Ainscow 2025-11-28 0002079961

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ASPI Common Stock Award +400K +400% 500K Aug 1, 2025 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This award of common stock was made in connection with the appointment of Mr. Ainscow as Executive Vice President, General Counsel and Secretary effective August 1, 2025, and shall vest (subject to compliance with applicable vesting conditions) in eight equal semi-annual installments over a four-year period beginning on the six-month anniversary of the grant date.