{"schema_version":"secwatch.filing_event.v1","accession":"0001641172-25-021387","form_type":"8-K","ticker":"NIMU","cik":"0000720762","company_name":"NON INVASIVE MONITORING SYSTEMS INC /FL/","filed_at":"2025-07-29T23:59:59+00:00","discovered_at":"2026-05-14T18:02:46.225495+00:00","generated_at":"2026-05-17T23:52:32.998883+00:00","sec_items":["1.01","2.03","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"NIMS extends maturity on $595K in related-party notes from July 31 to Dec 31, 2025","bullets":["Extended maturities on eight promissory notes with Frost Gamma Investments Trust (controlled by Dr. Phillip Frost) and Dr. Jane Hsiao.","Principal amounts: 2021 ($75K each), 2022 ($75K each), 2023 ($200K), Sept 2024 ($25K), Oct 2024 ($30K), Jan 2025 ($40K); no other terms changed.","Notes originally due July 31, 2025 now due December 31, 2025; indicates potential near-term liquidity need.","Dr. Phillip Frost and Dr. Jane Hsiao are directors and >10% beneficial owners; transactions are related-party."],"urls":{"canonical":"https://secwatch.observer/filing/0001641172-25-021387","json":"https://secwatch.observer/filing/0001641172-25-021387.json","markdown":"https://secwatch.observer/filing/0001641172-25-021387.md","text":"https://secwatch.observer/filing/0001641172-25-021387.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/720762/000164117225021387/0001641172-25-021387-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/720762/000164117225021387/form8-k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T23:52:32.998883+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"4be0babfda4f96084b075c047c6408e669c07c5c","claim":"NON INVASIVE MONITORING SYSTEMS INC /FL/ amended loan of $75,000.00 with Frost Gamma Investments Trust maturing December 31, 2025.","evidence_excerpt":"25, 2025, Non-Invasive Monitoring Systems, Inc. (“NIMS”) entered into the Second Amendment to that certain Promissory Note dated October 4, 2021 in the principal amount of $75,000.00 with Frost Gamma Investments Trust (the “2021 Frost Gamma Note”), a trust controlled by Dr. Phillip Frost, a current director, which beneficially owns in excess of 10% of our","evidence_source":"SEC 8-K Item 2.03/2.04","evidence_url":"https://www.sec.gov/Archives/edgar/data/720762/000164117225021387/0001641172-25-021387-index.htm","confidence":0.9,"family_label":"Debt Financings","details":[{"label":"Instrument","value":"loan"},{"label":"Principal","value":"$75,000.00"},{"label":"Counterparty","value":"Frost Gamma Investments Trust"},{"label":"Maturity","value":"December 31, 2025"},{"label":"Event","value":"amendment"}],"fact_type":"debt_financing"},{"claim_id":"95f97cbd73a58a3264cf42ccb32120295f628cc2","claim":"NON INVASIVE MONITORING SYSTEMS INC /FL/ amended loan of $75,000.00 with Dr. Jane Hsiao maturing December 31, 2025.","evidence_excerpt":"25, 2025, Non-Invasive Monitoring Systems, Inc. (“NIMS”) entered into the Second Amendment to that certain Promissory Note dated October 4, 2021 in the principal amount of $75,000.00 with Frost Gamma Investments Trust (the “2021 Frost Gamma Note”), a trust controlled by Dr. Phillip Frost, a current director, which beneficially owns in excess of 10% of our","evidence_source":"SEC 8-K Item 2.03/2.04","evidence_url":"https://www.sec.gov/Archives/edgar/data/720762/000164117225021387/0001641172-25-021387-index.htm","confidence":0.9,"family_label":"Debt Financings","details":[{"label":"Instrument","value":"loan"},{"label":"Principal","value":"$75,000.00"},{"label":"Counterparty","value":"Dr. Jane Hsiao"},{"label":"Maturity","value":"December 31, 2025"},{"label":"Event","value":"amendment"}],"fact_type":"debt_financing"},{"claim_id":"9d1435685388f321666d128f84ba65c98f3eddf3","claim":"NON INVASIVE MONITORING SYSTEMS INC /FL/ amended loan of $200,000.00 with Frost Gamma Investments Trust maturing December 31, 2025.","evidence_excerpt":"Gamma Investments Trust Promissory Note On July 25, 2025, NIMS entered into the First Amendment to that certain Promissory Note dated August 15, 2023 in the principal amount of $200,000.00 with Frost Gamma Investments Trust (the “2023 Frost Gamma Note”), a trust controlled by Dr. Phillip Frost, a current director, which beneficially owns in excess of 10% of our","evidence_source":"SEC 8-K Item 2.03/2.04","evidence_url":"https://www.sec.gov/Archives/edgar/data/720762/000164117225021387/0001641172-25-021387-index.htm","confidence":0.9,"family_label":"Debt Financings","details":[{"label":"Instrument","value":"loan"},{"label":"Principal","value":"$200,000.00"},{"label":"Counterparty","value":"Frost Gamma Investments Trust"},{"label":"Maturity","value":"December 31, 2025"},{"label":"Event","value":"amendment"}],"fact_type":"debt_financing"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}