---
schema_version: "secwatch.filing_event.v1"
accession: "0001477932-25-007607"
form_type: "8-K"
ticker: "ASPI"
cik: "0001921865"
company_name: "ASP Isotopes Inc."
filed_at: "2025-10-16T23:59:59+00:00"
generated_at: "2026-05-17T03:36:01.969249+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# ASP Isotopes prices 17.2M share offering at $11.65 for $210.3M gross proceeds

## Summary
- Offering of 17,167,380 shares at $11.65 each; gross proceeds ~$210.3M before expenses.
- Underwriters granted option to purchase up to an additional 2,575,106 shares (~$31.5M) at same price.
- Last closing price prior to pricing was $14.05; offering represents a ~17% discount.
- Expected to close October 16, 2025; net proceeds for general corporate purposes including working capital and capex.
- Cantor Fitzgerald & Co. and Lucid Capital Markets, LLC acted as joint book-running managers.

## SEC filing metadata
- accession: 0001477932-25-007607
- form_type: 8-K
- ticker: ASPI
- cik: 0001921865
- company_name: ASP Isotopes Inc.
- filed_at: 2025-10-16T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 1.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1921865/000147793225007607/0001477932-25-007607-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1921865/000147793225007607/aspi_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001477932-25-007607
- JSON: https://secwatch.observer/filing/0001477932-25-007607.json
- Plain text: https://secwatch.observer/filing/0001477932-25-007607.txt

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