---
schema_version: "secwatch.filing_event.v1"
accession: "0001477932-25-008843"
form_type: "8-K"
ticker: "ASPI"
cik: "0001921865"
company_name: "ASP Isotopes Inc."
filed_at: "2025-12-08T23:59:59+00:00"
generated_at: "2026-05-16T14:06:10.969133+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Paul Mann to resume CEO role at ASP Isotopes on Jan 19, 2026; Ainscow returns to COO

## Summary
- Founder/Exec Chairman Paul Mann reassumes CEO role effective Jan 19, 2026, after medical leave.
- Interim CEO Robert Ainscow will continue as COO; no new compensatory arrangements disclosed.
- The transition is a planned succession; no agreement with any other person for Mann's appointment.
- Mann's biographical info is incorporated from the Nov 25, 2025 proxy statement.

## SEC filing metadata
- accession: 0001477932-25-008843
- form_type: 8-K
- ticker: ASPI
- cik: 0001921865
- company_name: ASP Isotopes Inc.
- filed_at: 2025-12-08T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1921865/000147793225008843/0001477932-25-008843-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1921865/000147793225008843/aspi_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001477932-25-008843
- JSON: https://secwatch.observer/filing/0001477932-25-008843.json
- Plain text: https://secwatch.observer/filing/0001477932-25-008843.txt

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