---
schema_version: "secwatch.filing_event.v1"
accession: "0001477932-26-000555"
form_type: "8-K"
ticker: "ASPI"
cik: "0001921865"
company_name: "ASP Isotopes Inc."
filed_at: "2026-01-30T23:59:59+00:00"
generated_at: "2026-05-16T06:07:05.367222+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# ASP Isotopes invests ~$10M in Opeongo, gets right of first offer on medical isotope supply

## Summary
- Purchased 4,356,918 Series Seed-1 Preferred shares of Opeongo at $2.2952 per share (approx $10M investment).
- Opeongo is a biotech developing ECM modulators for fibrosis, inflammation, and cancer; co-founded by David Baram and Irit Sagi.
- ASPI secures right of first offer to supply medical isotopes for any Opeongo pharmaceutical product (supply agreement to be negotiated).
- Related party: ASPI CEO Paul Mann designated as Series Seed-1 Director of Opeongo; CMO Todd Wider also a director.

## SEC filing metadata
- accession: 0001477932-26-000555
- form_type: 8-K
- ticker: ASPI
- cik: 0001921865
- company_name: ASP Isotopes Inc.
- filed_at: 2026-01-30T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 1.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1921865/000147793226000555/0001477932-26-000555-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1921865/000147793226000555/aspi_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001477932-26-000555
- JSON: https://secwatch.observer/filing/0001477932-26-000555.json
- Plain text: https://secwatch.observer/filing/0001477932-26-000555.txt

## Key facts
- Material Agreements
  ASP Isotopes Inc. entered into Series Seed-1 Preferred Stock Purchase Agreement with Opeongo, Inc. valued at $2.2952 per share (effective 2026-01-26).
  - Action: entry
  - Agreement: equity purchase
  - Counterparty: Opeongo, Inc.
  - Value: $2.2952 per share
  - Effective: 2026-01-26
  source text: On January 26, 2026, ASP Isotopes Inc., a Delaware corporation (“ ASP Isotopes ” or the “ Company ”), entered into a Series Seed-1 Preferred Stock Purchase Agreement (the “ Purchase Agreement ”) with Opeongo, Inc., a Delaware corporation (“ Opeongo ”), pursuant to which the Company agreed to purchase from Opeongo 4,356,918 shares of Opeongo’s Series Seed-1 Preferred Stock, $0.0001 par value per share (the “ Series Seed-1 Preferred Stock ”), at a price of $2.2952 per share
  evidence_url: https://www.sec.gov/Archives/edgar/data/1921865/000147793226000555/0001477932-26-000555-index.htm

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