secwatch.observer — SEC 8-K summary ====================================== Issuer: Nano Nuclear Energy Inc. (NNE) CIK: 0001923891 Form: 8-K Filed at: 2026-04-09T23:59:59+00:00 Accession: 0001493152-26-015923 Event type: other_material Sentiment: positive Materiality: 0.60 Item codes: 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Nano Nuclear awarded DOE GAIN Voucher for KRONOS MMR uncertainty quantification ------------------------------------------------------------------------------- - Awarded DOE GAIN Voucher to develop validated UQ/Sensitivity framework for KRONOS MMR using ORNL SCALE/TSUNAMI. - Voucher provides access to ORNL expertise and DOE lab capabilities; no direct financial award. - Second GAIN voucher for company; first for KRONOS MMR system. - Framework intended to strengthen design margins, reduce regulatory uncertainty, support NRC pre-licensing. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1923891/000149315226015923/0001493152-26-015923-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1923891/000149315226015923/form8-k.htm HTML page: https://secwatch.observer/filing/0001493152-26-015923 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer