X0306 4 2023-03-01-05:00 false 0001921865 ASP Isotopes Inc. ASPI 0001500294 Vasnetsov Sergey C/O ASP ISOTOPES INC. 433 PLAZA REAL, SUITE 275 BOCA RATON FL 33432 true false false false Common Stock 2023-03-01-05:00 4 A false 538607 0.00 A 3838607 I See footnote On March 1, 2023, the Company granted 538,607 shares of the Company's restricted common stock to ChemBridges LLC, a Puerto Rico limited liability company controlled by our director, Sergey Vasnetsov, as its manager, pursuant to a second amended Advisory Agreement dated December 12, 2022. 134,651 shares of the common stock vest on each June 1, 2023, September 1, 2023, December 1, 2023 and March 1, 2024. Mr. Vasnetsov beneficially owns 1,000,000 common shares indiretly through Elista LLC and beneficially owns 2,838,607 common shares and indirectly through ChemBridges LLC. /s/ Sergey Vasnetsov 2023-03-08-05:00