---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-358072"
form_type: "8-K"
ticker: "ASPI"
cik: "0001921865"
company_name: "ASP Isotopes Inc."
filed_at: "2026-08-20T12:05:14+00:00"
generated_at: "2026-08-20T12:10:10.556176+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# ASP Isotopes: Tetra4 begins commissioning liquid helium plant; first helium shipments expected September

## Summary
- Tetra4 entered commissioning of Phase 1 liquid helium plant at Virginia Gas Project, South Africa.
- Phase 1 targets ~2,500 GJ/d LNG and ~70 Mcf/d helium; commercial production expected Q3 2026.
- Annualized revenue potential over $27M at $15-18/GJ LNG and $600/Mcf helium; recognition to start 2H 2026.
- Take-or-pay contracts cover ~75% of Phase 1 LNG and ~15% of Phase 1 helium; contracting to finish in 3Q 2026.
- Phase 2 (about 13x Phase 1) construction to start 2H 2026; pursuing up to $750M in senior debt (DFC, Standard Bank).

## SEC filing metadata
- accession: 0001193125-26-358072
- form_type: 8-K
- ticker: ASPI
- cik: 0001921865
- company_name: ASP Isotopes Inc.
- filed_at: 2026-08-20T12:05:14+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1921865/000119312526358072/0001193125-26-358072-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1921865/000119312526358072/aspi-20260820.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-358072
- JSON: https://secwatch.observer/filing/0001193125-26-358072.json
- Plain text: https://secwatch.observer/filing/0001193125-26-358072.txt

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