---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-26-099309"
form_type: "8-K"
ticker: "ZONE"
cik: "0001956741"
company_name: "CleanCore Solutions, Inc."
filed_at: "2026-09-11T20:45:39+00:00"
generated_at: "2026-09-11T20:46:32.935278+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Zone Frontier CFO David Enholm to retire, effective Sept 11, 2026

## Summary
- Chief Financial Officer David Enholm notified Board on Sept 8, 2026; resignation effective Sept 11, 2026.
- Step-down is for retirement; no disagreement with Company on operations, policies, or practices.
- No successor CFO announced; CEO Tyler Hassen signed filing.

## SEC filing metadata
- accession: 0001213900-26-099309
- form_type: 8-K
- ticker: ZONE
- cik: 0001956741
- company_name: CleanCore Solutions, Inc.
- filed_at: 2026-09-11T20:45:39+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/1956741/000121390026099309/0001213900-26-099309-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1956741/000121390026099309/ea0305227-8k_zone.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-26-099309
- JSON: https://secwatch.observer/filing/0001213900-26-099309.json
- Plain text: https://secwatch.observer/filing/0001213900-26-099309.txt

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