---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-26-022502"
form_type: "8-K"
ticker: "NIMU"
cik: "0000720762"
company_name: "NON INVASIVE MONITORING SYSTEMS INC /FL/"
filed_at: "2026-05-12T20:30:25+00:00"
generated_at: "2026-05-12T20:39:10.737702+00:00"
event_type: "debt"
sentiment: "negative"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# NIMS borrows $300K from related parties at 11% due June 30, 2026

## Summary
- $200K promissory note issued to Frost Gamma Investments Trust, controlled by director Dr. Phillip Frost.
- $100K promissory note issued to Jane Hsiao, Chairman and Interim CEO; both notes bear 11% annual interest.
- Both notes mature June 30, 2026; may be prepaid without penalty.
- Frost Gamma Trust and Hsiao each beneficially own over 10% of NIMS common stock.

## SEC filing metadata
- accession: 0001493152-26-022502
- form_type: 8-K
- ticker: NIMU
- cik: 0000720762
- company_name: NON INVASIVE MONITORING SYSTEMS INC /FL/
- filed_at: 2026-05-12T20:30:25+00:00
- event_type: debt
- sentiment: negative
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 1.01, 2.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/720762/000149315226022502/0001493152-26-022502-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/720762/000149315226022502/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-26-022502
- JSON: https://secwatch.observer/filing/0001493152-26-022502.json
- Plain text: https://secwatch.observer/filing/0001493152-26-022502.txt

## Key facts
- Debt Financings
  NON INVASIVE MONITORING SYSTEMS INC /FL/ incurred loan of $200,000.00 with Frost Gamma Investments Trust at 11% per annum maturing June 30, 2026.
  - Instrument: loan
  - Principal: $200,000.00
  - Counterparty: Frost Gamma Investments Trust
  - Rate: 11% per annum
  - Maturity: June 30, 2026
  - Event: incurrence
  source text: On May 7, 2026, Non-Invasive Monitoring Systems, Inc. (“NIMS”) entered into a Promissory Note in the principal amount of $200,000.00 with Frost Gamma Investments Trust (the “May 2026 Frost Gamma Note”)
  evidence_url: https://www.sec.gov/Archives/edgar/data/720762/000149315226022502/0001493152-26-022502-index.htm
- Debt Financings
  NON INVASIVE MONITORING SYSTEMS INC /FL/ incurred loan of $100,000.00 with Jane Hsiao at 11% per annum maturing June 30, 2026.
  - Instrument: loan
  - Principal: $100,000.00
  - Counterparty: Jane Hsiao
  - Rate: 11% per annum
  - Maturity: June 30, 2026
  - Event: incurrence
  source text: On May 7, 2026, NIMS entered into a Promissory Note in the principal amount of $100,000.00 with Jane Hsiao (the “May 2026 Hsiao Note”)
  evidence_url: https://www.sec.gov/Archives/edgar/data/720762/000149315226022502/0001493152-26-022502-index.htm

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