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Form 144 ASP Isotopes Inc. Filed by: Mann Paul Elliot

Mon, 01 Jun 2026 21:45:00 -0400

si-local-file:///var/storage/secattach/20260601/26585808.html

Form 144 ASP Isotopes Inc. Filed by: Mann Paul Elliot

Mon, 01 Jun 2026 21:45:00 -0400

si-local-file:///var/storage/secattach/20260601/26585808.html

ASP Isotopes restarts silicon-28 enrichment facility after modifications

Tue, 26 May 2026 08:01:21 -0400

ASP Isotopes Inc. (NASDAQ: ASPI) announced it has successfully restarted the first 18 stages of its Silicon-28 enrichment facility in Pretoria, South Africa, following nine months of engineering modifications.

The company implemented changes to non-core components including valves, compressors, and piping after identifying operational issues with original equipment manufacturer specifications. The first 18 stages have operated for over three weeks at target enrichment levels.

"While the core enrichment technology has been operating in line with our expectations, many of the non-core components did not operate in line with the specifications provided by the OEM suppliers," said Heino Van-Wyk, Head of Engineering at

Form 8-K ASP Isotopes Inc. For: May 26

Tue, 26 May 2026 08:01:00 -0400

si-local-file:///var/storage/secattach/20260526/26546252.html

Form 8-K ASP Isotopes Inc. For: May 26

Tue, 26 May 2026 08:01:00 -0400

si-local-file:///var/storage/secattach/20260526/26546252.html

ASP Isotopes Implements Engineering Enhancements to Silicon-28 Enrichment Facility; Successfully Restarts First 18 Stages of Silicon-28 Enrichment Facility; Commercial Shipments of Enriched Silicon-28

Tue, 26 May 2026 08:00:00 -0400

ASP Isotopes has previously announced that it has signed three commercial contracts for the supply of enriched Silicon-28 to U.S.-based customers, and expects to make initial commercial shipments of enriched Silicon-28 in Q3 2026.

The first 18 stages (comprising segments one and two) of the Silicon-28 enrichment facility have now successfully operated for over three weeks at target enrichment levels.

Engineering modifications made over the past nine months addressed non-core components, including valves and compressors; these same engineering enhancements are expected to be implemented to the remaining stages of the enrichment facility to enable commercial

ASP Isotopes Implements Engineering Enhancements to Silicon-28 Enrichment Facility; Successfully Restarts First 18 Stages of Silicon-28 Enrichment Facility; Commercial Shipments of Enriched Silicon-28

Tue, 26 May 2026 08:00:00 -0400

ASP Isotopes has previously announced that it has signed three commercial contracts for the supply of enriched Silicon-28 to U.S.-based customers, and expects to make initial commercial shipments of enriched Silicon-28 in Q3 2026.

The first 18 stages (comprising segments one and two) of the Silicon-28 enrichment facility have now successfully operated for over three weeks at target enrichment levels.

Engineering modifications made over the past nine months addressed non-core components, including valves and compressors; these same engineering enhancements are expected to be implemented to the remaining stages of the enrichment facility to enable commercial

Form S-8 ASP Isotopes Inc.

Thu, 21 May 2026 06:02:00 -0400
si-local-file:///var/storage/secattach/20260521/26530815.html

Form S-8 ASP Isotopes Inc.

Thu, 21 May 2026 06:02:00 -0400
si-local-file:///var/storage/secattach/20260521/26530815.html

Form S-8 ASP Isotopes Inc.

Thu, 21 May 2026 06:02:00 -0400
si-local-file:///var/storage/secattach/20260521/26530817.html

Form S-8 ASP Isotopes Inc.

Thu, 21 May 2026 06:02:00 -0400
si-local-file:///var/storage/secattach/20260521/26530817.html

Form 8-K ASP Isotopes Inc. For: May 20

Wed, 20 May 2026 17:15:00 -0400
si-local-file:///var/storage/secattach/20260520/26529523.html

Form 8-K ASP Isotopes Inc. For: May 20

Wed, 20 May 2026 17:15:00 -0400
si-local-file:///var/storage/secattach/20260520/26529523.html

Form 10-Q ASP Isotopes Inc. For: Mar 31

Wed, 20 May 2026 16:27:00 -0400
si-local-file:///var/storage/secattach/20260520/26528776.html

Form 10-Q ASP Isotopes Inc. For: Mar 31

Wed, 20 May 2026 16:27:00 -0400
si-local-file:///var/storage/secattach/20260520/26528776.html

Form NT 10-Q ASP Isotopes Inc. For: May 15

Fri, 15 May 2026 17:19:00 -0400
si-local-file:///var/storage/secattach/20260515/26507879.html

Form NT 10-Q ASP Isotopes Inc. For: May 15

Fri, 15 May 2026 17:19:00 -0400
si-local-file:///var/storage/secattach/20260515/26507879.html

Form 8-K ASP Isotopes Inc. For: May 11

Mon, 11 May 2026 07:35:00 -0400
si-local-file:///var/storage/secattach/20260511/26465119.html

Form 8-K ASP Isotopes Inc. For: May 11

Mon, 11 May 2026 07:35:00 -0400
si-local-file:///var/storage/secattach/20260511/26465119.html

Quantum Leap Energy signs MOU with European nuclear company for fuel supply

Mon, 11 May 2026 07:30:24 -0400

Quantum Leap Energy LLC, a subsidiary of ASP Isotopes Inc. (NASDAQ: ASPI), entered into a non-binding memorandum of understanding with an unidentified European nuclear technology company for potential collaboration on high assay low enriched uranium supply.

Under the MOU terms, the parties will conduct technical and economic assessments to determine viability of long-term collaboration for HALEU supply with uranium-235 content exceeding 10%. The framework envisions the European partner providing uranium feedstocks to Quantum Leap Energy's planned conversion and enrichment facilities, with Quantum Leap Energy enriching the feedstocks to produce HALEU for delivery to the partner company.

The MOU extends through December 31,

Quantum Leap Energy signs MOU with European nuclear company for fuel supply

Mon, 11 May 2026 07:30:24 -0400

Quantum Leap Energy LLC, a subsidiary of ASP Isotopes Inc. (NASDAQ: ASPI), entered into a non-binding memorandum of understanding with an unidentified European nuclear technology company for potential collaboration on high assay low enriched uranium supply.

Under the MOU terms, the parties will conduct technical and economic assessments to determine viability of long-term collaboration for HALEU supply with uranium-235 content exceeding 10%. The framework envisions the European partner providing uranium feedstocks to Quantum Leap Energy's planned conversion and enrichment facilities, with Quantum Leap Energy enriching the feedstocks to produce HALEU for delivery to the partner company.

The MOU extends through December 31,

Quantum Leap Energy signs MOU with European nuclear company for fuel supply

Mon, 11 May 2026 07:30:24 -0400

Quantum Leap Energy LLC, a subsidiary of ASP Isotopes Inc. (NASDAQ: ASPI), entered into a non-binding memorandum of understanding with an unidentified European nuclear technology company for potential collaboration on high assay low enriched uranium supply.

Under the MOU terms, the parties will conduct technical and economic assessments to determine viability of long-term collaboration for HALEU supply with uranium-235 content exceeding 10%. The framework envisions the European partner providing uranium feedstocks to Quantum Leap Energy's planned conversion and enrichment facilities, with Quantum Leap Energy enriching the feedstocks to produce HALEU for delivery to the partner company.

The MOU extends through December 31,

Quantum Leap Energy signs MOU with European nuclear company for fuel supply

Mon, 11 May 2026 07:30:24 -0400

Quantum Leap Energy LLC, a subsidiary of ASP Isotopes Inc. (NASDAQ: ASPI), entered into a non-binding memorandum of understanding with an unidentified European nuclear technology company for potential collaboration on high assay low enriched uranium supply.

Under the MOU terms, the parties will conduct technical and economic assessments to determine viability of long-term collaboration for HALEU supply with uranium-235 content exceeding 10%. The framework envisions the European partner providing uranium feedstocks to Quantum Leap Energy's planned conversion and enrichment facilities, with Quantum Leap Energy enriching the feedstocks to produce HALEU for delivery to the partner company.

The MOU extends through December 31,

Quantum Leap Energy Enters into Memorandum of Understanding with European Nuclear Technology Company for Advanced Nuclear Fuel Supply Collaboration

Mon, 11 May 2026 07:30:00 -0400

DALLAS, May 11, 2026 (GLOBE NEWSWIRE) -- ASP Isotopes Inc. (NASDAQ: ASPI) (“ASPI”) today announced that Quantum Leap Energy LLC (“we,” “QLE” or the “Company”), a wholly-owned subsidiary of ASPI dedicated to advancing innovative technologies and processes across critical segments of the fission and fusion nuclear fuel cycle, has entered into a non-binding Memorandum of Understanding (MOU) with a European nuclear technology company specializing in advanced nuclear reactor development and other next-generation nuclear energy solutions.

“Securing reliable HALEU supply is one of the most critical challenges facing the advanced nuclear industry today. This MOU is

Quantum Leap Energy Enters into Memorandum of Understanding with European Nuclear Technology Company for Advanced Nuclear Fuel Supply Collaboration

Mon, 11 May 2026 07:30:00 -0400

DALLAS, May 11, 2026 (GLOBE NEWSWIRE) -- ASP Isotopes Inc. (NASDAQ: ASPI) (“ASPI”) today announced that Quantum Leap Energy LLC (“we,” “QLE” or the “Company”), a wholly-owned subsidiary of ASPI dedicated to advancing innovative technologies and processes across critical segments of the fission and fusion nuclear fuel cycle, has entered into a non-binding Memorandum of Understanding (MOU) with a European nuclear technology company specializing in advanced nuclear reactor development and other next-generation nuclear energy solutions.

“Securing reliable HALEU supply is one of the most critical challenges facing the advanced nuclear industry today. This MOU is