---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-237916"
form_type: "8-K"
ticker: "ASPI"
cik: "0001921865"
company_name: "ASP Isotopes Inc."
filed_at: "2026-05-26T12:01:15+00:00"
generated_at: "2026-05-26T12:07:17.509818+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# ASP Isotopes restarts first 18 stages of Si-28 enrichment; expects Q3 2026 commercial shipments

## Summary
- Announced successful restart of first 18 stages of Silicon-28 enrichment facility in Pretoria, South Africa.
- Three commercial contracts signed with U.S. customers for enriched Silicon-28 for quantum computing and semiconductors.
- Initial commercial shipments of enriched Silicon-28 expected to commence in Q3 2026.
- Engineering modifications over nine months addressed non-core components (valves, compressors, piping).
- First samples shipped to U.S. customer in August 2025; independent analysis confirmed enrichment targets.

## SEC filing metadata
- accession: 0001193125-26-237916
- form_type: 8-K
- ticker: ASPI
- cik: 0001921865
- company_name: ASP Isotopes Inc.
- filed_at: 2026-05-26T12:01:15+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.6
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1921865/000119312526237916/0001193125-26-237916-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1921865/000119312526237916/aspi-20260526.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-237916
- JSON: https://secwatch.observer/filing/0001193125-26-237916.json
- Plain text: https://secwatch.observer/filing/0001193125-26-237916.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.