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S-4/A ·Filed Sep 10, 2026

NIMU

NON INVASIVE MONITORING SYSTEMS INC /FL/
NEUTRAL
Impact 6/10
Horizonweeks Processed1mo ago SEC0001493152-26-042269
Notable filing: S-4/A
Actionable Insight • Neutral

Monitor the progress of the public offering and Nasdaq listing application, as the merger is contingent on both. The key risk is that the merger may not close if the offering or uplisting fails. If the merger closes, the combined company will have a strong cash position ($117M pro forma) but faces significant execution risk as Gravitics has no current revenue and a history of losses. The 180-day lock-up on insider shares post-offering may limit near-term selling pressure.

DirectionNeutral
Confidencemedium
Horizonweeks
Latest settled — T+20d
NIMU ▲ +17.37% at T+20d
NEUTRAL call +17.37% · α vs SPY +15.25% · entry $11.34 → $13.31
Next anchor: T+60d in 6w
Latest observation: T+30 +5.61% FF3 residual α
Entry = T+0 close
Sep 10, 2026
via day close
T+1d
+0.44%
call +0.44% · α +0.89%
$11.39
settled 6w ago
T+5d
+1.32%
call +1.32% · α +1.54%
$11.49
settled 6w ago
T+20d
+17.37%
call +17.37% · α +15.25%
$13.31
settled 18d ago
T+60d
Pending
in 6w

Price Chart

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Executive Summary

Non-Invasive Monitoring Systems (NIMU) filed Amendment No. 3 to its S-4 registration statement, detailing the reverse triangular merger with Gravitics, Inc. Under the merger agreement, Gravitics stockholders will receive shares of NIMU common stock representing not less than 96.5% of the combined entity on a fully diluted basis, while existing NIMU stockholders retain not more than 3.5%. The combined company, to be renamed Gravitics Holdings, Inc., plans a concurrent public offering of up to $125 million and a Nasdaq uplisting under the symbol GVTX, with the merger conditioned on the closing of the offering and Nasdaq approval. The filing also covers the adoption of a 2026 Equity Incentive Plan by written consent of holders of 63.4% of NIMU's outstanding shares.

Key Facts

  • Gravitics stockholders will hold not less than 96.5% of the combined company on a fully diluted basis; existing NIMU stockholders will hold not more than 3.5%.
  • The combined company plans a concurrent public offering of up to $125 million and a Nasdaq uplisting under the symbol GVTX.
  • The merger is conditioned on the closing of the public offering and Nasdaq approval; there is no guarantee of either.
  • Gravitics has a $125 million contract with Axiom Space (terminable) and a $60 million STRATFI contract with the U.S. Space Force.
  • Gravitics reported zero revenue for the six months ended June 30, 2026, and a net loss of $24.5 million.
  • NIMU is a shell company with $160k cash and a $1.4 million shareholders' deficit as of June 30, 2026.
  • The pro forma combined company shows $117.4 million in cash and $112 million in stockholders' equity as of June 30, 2026, assuming the public offering.
  • The tax opinion from Crowne Point Tax & Wealth Counsel states the merger 'should' qualify as a tax-free reorganization under Section 368(a).
  • The NIMU board did not obtain a third-party fairness opinion for the merger.
  • The merger agreement includes a termination fee of $250,000 payable by the terminating party if the merger fails to close for reasons other than the other party's failure to satisfy closing conditions.

Financial Impact

The merger is an all-stock transaction with no cash consideration to NIMU stockholders. The combined company plans a $125 million public offering. Gravitics has $2.7 million cash and $67 million accumulated deficit as of June 30, 2026. NIMU has $160k cash and $1.4 million shareholders' deficit.

dilutioncashshareholders equityrevenuenet loss

Risk Factors

  • The merger may not close if the $125M public offering or Nasdaq uplisting fails.
  • Gravitics has no current revenue and a history of significant operating losses and going concern risk.
  • The $125M Axiom contract is terminable and may not realize its full stated value.
  • The combined company will face substantial dilution from the issuance of shares to Gravitics stockholders and the public offering.
  • The NIMU board did not obtain a fairness opinion, increasing legal risk.
  • The tax opinion is a 'should' opinion, not a 'will' opinion, creating tax uncertainty.

Market Snapshot

Exchange
OTC
Sector
Electromedical & Electrotherapeutic Apparatus

Investment Themes

Healthcare & Medical Devices

Documents Analyzed

This report is based on 16 SEC documents filed with EDGAR.

DocumentAccession Number
S-4/A Filing (Primary)0001493152-26-042269
Exhibit: ex10-3.htm0001493152-26-042269
Exhibit: ex8-1.htm0001493152-26-042269
Exhibit: ex107.htm0001493152-26-042269
Exhibit: ex4-1.htm0001493152-26-042269
Exhibit: ex5-1.htm0001493152-26-042269
Exhibit: ex23-1.htm0001493152-26-042269
Exhibit: ex99-6.htm0001493152-26-042269
Exhibit: ex99-8.htm0001493152-26-042269
Exhibit: ex99-5.htm0001493152-26-042269
Exhibit: ex23-2.htm0001493152-26-042269
Exhibit: ex99-4.htm0001493152-26-042269
Exhibit: ex99-7.htm0001493152-26-042269
Document: 0001493152-26-042269-index-headers.html0001493152-26-042269
Document: 0001493152-26-042269-index.html0001493152-26-042269
Document: 0001493152-26-042269.txt0001493152-26-042269
18 reports for NIMU
Performance horizon
0% Hit rate @ T+5 0 of 3 directional calls Went positive at some point 0 of 3 best @ T+1· 0.00%Aug 17, 2026
Filters
Rows
Reports for NIMU — sortable, filterable
TypeNow
Oct 19, 2026
6d ago
S-1/A
MIXED ★ 7/10
$10.81awaiting T+5—$10.81 (+0.00%)
Oct 19, 2026
6d ago
S-4/A
NEUTRAL ★ 5/10
$10.81awaiting T+5—$10.81 (+0.00%)
Oct 19, 2026
7d ago
8-K
NEUTRAL ★ 5/10
$10.81awaiting T+5—$10.81 (+0.00%)
Oct 9, 2026
16d ago
S-1/A
MIXED ★ 7/10
$10.81 $10.81· 0.00%▲ +1.49%$10.81 (+0.00%)
Oct 9, 2026
16d ago
S-4/A
NEUTRAL ★ 6/10
$10.81 $10.81· 0.00%▲ +1.49%$10.81 (+0.00%)
Oct 6, 2026
20d ago
S-1/A
MIXED ★ 7/10
$11.50 $10.81▼ −6.00%▼ −5.86%$10.81 (−6.00%)
Oct 5, 2026
20d ago
S-4/A
BULLISH ★ 7/10
$11.50 $10.81▼ −6.00%▼ −5.86%$10.81 (−6.00%)
Oct 5, 2026
20d ago
8-K
MIXED ★ 6/10
$11.50 $10.81▼ −6.00%▼ −5.86%$10.81 (−6.00%)
Oct 2, 2026
23d ago
8-K
MIXED ★ 6/10
$11.50 $10.81▼ −6.00%▼ −6.42%$10.81 (−6.00%)
Sep 24, 2026
4w ago
S-4/A
NEUTRAL ★ 6/10
$11.50 $11.50· 0.00%▲ +0.22%$10.81 (−6.00%)
Showing 10 of 18

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Report published Sep 11, 2026