---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-26-030124"
form_type: "8-K"
ticker: "NNE"
cik: "0001923891"
company_name: "Nano Nuclear Energy Inc."
filed_at: "2026-06-25T20:15:17+00:00"
generated_at: "2026-06-25T20:18:47.757626+00:00"
event_type: "regulatory"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# U.S. NRC begins formal review of Nano Nuclear's KRONOS MMR construction permit for UIUC deployment

## Summary
- NRC met with UIUC and Nano Nuclear on June 23, 2026 to start formal review of CPA for KRONOS MMR at University of Illinois.
- NRC accepted CPA on May 18, 2026; environmental assessment due Spring 2027, safety evaluation early Fall 2027.
- Company expects NRC review complete in 2027, enabling initial construction activities in H2 2027.
- KRONOS MMR positions as among first commercially-ready microreactors in formal U.S. NRC licensing.

## SEC filing metadata
- accession: 0001493152-26-030124
- form_type: 8-K
- ticker: NNE
- cik: 0001923891
- company_name: Nano Nuclear Energy Inc.
- filed_at: 2026-06-25T20:15:17+00:00
- event_type: regulatory
- sentiment: positive
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1923891/000149315226030124/0001493152-26-030124-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1923891/000149315226030124/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-26-030124
- JSON: https://secwatch.observer/filing/0001493152-26-030124.json
- Plain text: https://secwatch.observer/filing/0001493152-26-030124.txt

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