NON INVASIVE MONITORING SYSTEMS INC /FL/ (NIMU): Entry into a Material Definitive Agreement
NON INVASIVE MONITORING SYSTEMS INC /FL/ (NIMU) filed an SEC Form 8-K — Entry into a Material Definitive Agreement. false 0000720762 0000720762 2026-06-30 2026-06-30 iso4217:USD xbrli:shares iso4217:USD xbrli:shares UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of repor
How this was made
The 30-second read
Why it matters
The newest disclosed fact is the maturity-date extension for each note from June 30, 2026 to Sept. 30, 2026, with no other provisions amended—shifting near-term cash obligation timing by ~3 months.
Market read
For traders, the key decision is whether the maturity extension meaningfully reduces near-term liquidity risk through Sept. 30, 2026 versus indicating continued funding needs.
What to watch
Because the notes are held by insiders/related trusts (Dr. Phillip Frost and Dr. Jane Hsiao), traders should watch for any subsequent amendments, additional borrowings, or equity-linked financing that could dilute holders.
Background
NIMU filed an SEC 8-K (Item 1.01/2.03) detailing Fourth Amendments to four $75,000 promissory notes originally dated Oct. 4, 2021 and Sept. 16, 2022.
Ticker impact
NIMU amended the maturity dates on multiple $75,000 promissory notes, extending them from June 30, 2026 to Sept. 30, 2026.
Likely modest, short-lived relief bid; follow-through depends on whether additional liquidity actions are disclosed.
The filing is a primary-source disclosure of amended maturities (Item 1.01/2.03) but provides no principal change, interest change, or new funding amount—so the incremental impact is limited to timing of obligations.
Market effects
Limited read-across; this is company-specific related-party debt timing rather than a sector-wide credit event.
None indicated; OTC-listed microcap filing with no broader regional linkage described.
None indicated; no cross-border financing or macro linkage disclosed.
Counterpoint
Extending maturities without changing terms can signal ongoing liquidity constraints rather than improved fundamentals.
Key entities
- issuerNon-Invasive Monitoring Systems, Inc. (NIMU)
OTC Pink registrant that amended multiple promissory note maturities via Fourth Amendments.
- lender/related partyFrost Gamma Investments Trust
Trust controlled by Dr. Phillip Frost, a director and >10% beneficial owner; note maturities extended to Sept. 30, 2026.
- lender/related partyDr. Jane Hsiao
Chairman and Interim CEO and >10% beneficial owner; note maturities extended to Sept. 30, 2026.
- director/related partyDr. Phillip Frost
Controls Frost Gamma Investments Trust; related-party notes amended.

