---
schema_version: "secwatch.filing_event.v1"
accession: "0002038118-25-000008"
form_type: "8-K"
ticker: null
cik: "0002038118"
company_name: "FirstEnergy Transmission, LLC"
filed_at: "2025-03-11T23:59:59+00:00"
generated_at: "2026-05-25T00:15:00.069853+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# FirstEnergy Transmission CFO Joseph Storsin resigns; Jason Lisowski named acting principal financial officer

## Summary
- Joseph Storsin, VP Finance and principal financial officer, resigns effective March 21, 2025; no disagreement with management.
- Jason Lisowski, current VP and Controller, will serve as acting principal financial officer from March 21, 2025.
- Lisowski also serves as VP, Controller and CAO of FirstEnergy Corp.; remains VP and Controller of FirstEnergy Transmission.
- Lisowski is a member of FirstEnergy Transmission's Board of Directors.

## SEC filing metadata
- accession: 0002038118-25-000008
- form_type: 8-K
- cik: 0002038118
- company_name: FirstEnergy Transmission, LLC
- filed_at: 2025-03-11T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2038118/000203811825000008/0002038118-25-000008-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2038118/000203811825000008/fet-20250305.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0002038118-25-000008
- JSON: https://secwatch.observer/filing/0002038118-25-000008.json
- Plain text: https://secwatch.observer/filing/0002038118-25-000008.txt

## Key facts
- Executive change
  Jason Lisowski was appointed as acting principal financial officer at FirstEnergy Transmission, LLC.
  - Action: appointed
  - Role: acting principal financial officer
  source text: Jason Lisowski, the Company’s current Vice President and Controller will act as the Company’s principal financial officer, effective as of the Effective Date.
  evidence_url: https://www.sec.gov/Archives/edgar/data/2038118/000203811825000008/0002038118-25-000008-index.htm

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