---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-26-024659"
form_type: "8-K"
ticker: "NNE"
cik: "0001923891"
company_name: "Nano Nuclear Energy Inc."
filed_at: "2026-05-20T21:10:43+00:00"
generated_at: "2026-05-20T21:13:59.732244+00:00"
event_type: "regulatory"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# NRC accepts Nano Nuclear's construction permit application for KRONOS MMR at Univ. of Illinois

## Summary
- NRC formally accepted CPA submitted March 31, 2026 for KRONOS MMR deployment at University of Illinois Urbana-Champaign.
- Nano Nuclear estimates NRC review completed in 2027; construction activities could begin H2 2027.
- Company states KRONOS MMR is the first commercially-ready microreactor to reach the CPA stage with the NRC.
- Acceptance initiates formal NRC safety, environmental, and technical review process for the reactor.

## SEC filing metadata
- accession: 0001493152-26-024659
- form_type: 8-K
- ticker: NNE
- cik: 0001923891
- company_name: Nano Nuclear Energy Inc.
- filed_at: 2026-05-20T21:10:43+00:00
- event_type: regulatory
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1923891/000149315226024659/0001493152-26-024659-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1923891/000149315226024659/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-26-024659
- JSON: https://secwatch.observer/filing/0001493152-26-024659.json
- Plain text: https://secwatch.observer/filing/0001493152-26-024659.txt

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