---
schema_version: "secwatch.filing_event.v1"
accession: "0001477932-24-003663"
form_type: "8-K"
ticker: "ASPI"
cik: "0001921865"
company_name: "ASP Isotopes Inc."
filed_at: "2024-06-13T23:59:59+00:00"
generated_at: "2026-06-01T04:42:20.006141+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# ASP Isotopes appoints Heather Kiessling as CFO effective July 1, 2024; Robert Ainscow remains COO

## Summary
- Heather Kiessling named CFO effective July 1; she has consulted for the company since Nov 2021 via Danforth Advisors.
- Robert Ainscow steps down as CFO but continues as COO to focus on operations and strategic initiatives.
- Kiessling receives $400K base salary, 50% target bonus, and 400,000 restricted shares vesting over 4 years.
- Board approved 2024 Inducement Equity Plan reserving 2.5M shares for future inducement grants under Nasdaq Rule 5635(c)(4).
- Company cites need for stronger financial infrastructure as it transitions from pre-commercial to revenue-generating stage.

## SEC filing metadata
- accession: 0001477932-24-003663
- form_type: 8-K
- ticker: ASPI
- cik: 0001921865
- company_name: ASP Isotopes Inc.
- filed_at: 2024-06-13T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1921865/000147793224003663/0001477932-24-003663-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1921865/000147793224003663/aspi_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001477932-24-003663
- JSON: https://secwatch.observer/filing/0001477932-24-003663.json
- Plain text: https://secwatch.observer/filing/0001477932-24-003663.txt

## Key facts
- Executive change
  Robert Ainscow departed as Chief Operating Officer at ASP Isotopes Inc..
  - Action: resigned as Chief Financial Officer
  - Role: Chief Operating Officer
  source text: Mr. Ainscow will resign as the Company’s Chief Financial Officer as of the Start Date and will continue in his role as Chief Operating Officer.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1921865/000147793224003663/0001477932-24-003663-index.htm
- Executive change
  Heather Kiessling was appointed as Chief Financial Officer at ASP Isotopes Inc..
  - Action: appointed
  - Role: Chief Financial Officer
  source text: On June 10, 2024, the Board of Directors (the “Board”) of ASP Isotopes Inc. (the “Company”) appointed Heather Kiessling as the Chief Financial Officer of the Company, effective as of July 1, 2024
  evidence_url: https://www.sec.gov/Archives/edgar/data/1921865/000147793224003663/0001477932-24-003663-index.htm

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