---
schema_version: "secwatch.filing_event.v1"
accession: "0001897982-24-000004"
form_type: "8-K"
ticker: null
cik: "0001897982"
company_name: "Aspen Technology, Inc."
filed_at: "2024-01-04T23:59:59+00:00"
generated_at: "2026-06-07T04:16:24.345890+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Aspen Technology appoints Christopher Stagno as interim CFO

## Summary
- Chantelle Breithaupt resigned as CFO effective Dec 31, 2023; permanent CFO search underway.
- Christopher Stagno (SVP, CAO) appointed interim CFO effective Jan 1, 2024.
- Stagno receives $5,000/month additional base salary plus $30,000 one-time bonus for interim role.
- Stagno also received a $250,000 RSU retention grant in Oct 2023, vesting 50% in Oct 2024 and 50% in Oct 2025.

## SEC filing metadata
- accession: 0001897982-24-000004
- form_type: 8-K
- cik: 0001897982
- company_name: Aspen Technology, Inc.
- filed_at: 2024-01-04T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1897982/000189798224000004/0001897982-24-000004-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1897982/000189798224000004/azpn-20240101.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001897982-24-000004
- JSON: https://secwatch.observer/filing/0001897982-24-000004.json
- Plain text: https://secwatch.observer/filing/0001897982-24-000004.txt

## Key facts
- Executive change
  Chantelle Breithaupt resigned as Chief Financial Officer at Aspen Technology, Inc..
  - Action: resigned
  - Role: Chief Financial Officer
  source text: following Chantelle Breithaupt’s previously announced resignation from the role, effective December 31, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1897982/000189798224000004/0001897982-24-000004-index.htm
- Executive change
  Christopher Stagno was appointed as Senior Vice President, Interim Chief Financial Officer at Aspen Technology, Inc..
  - Action: appointed
  - Role: Senior Vice President, Interim Chief Financial Officer
  source text: Effective January 1, 2024, Christopher Stagno was appointed to the position of Senior Vice President, Interim Chief Financial Officer of Aspen Technology, Inc.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1897982/000189798224000004/0001897982-24-000004-index.htm

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