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S-4/A ·Filed Oct 19, 2026

NIMU

NON INVASIVE MONITORING SYSTEMS INC /FL/
NEUTRAL
Impact 5/10
Horizonweeks Processed6d 17h ago SEC0001493152-26-047665
Notable filing: S-4/A
Actionable Insight • Neutral

The merger's completion hinges on the $50M public offering and Nasdaq listing approval, both binary catalysts. Monitor for the SEC declaring the S-4 effective and for Nasdaq's listing decision, as these are the remaining key conditions before the October 30, 2026 outside closing date.

DirectionNeutral
Confidencemedium
Horizonweeks
Latest settled — T+1d ⚠ clustered
NIMU ▲ 0.00% at T+1d
NEUTRAL call 0.00% · α vs SPY -0.53% · entry $10.81 → $10.81
Next anchor: T+5d due 7h ago
Latest observation: T+3 -1.26% FF3 residual α
Entry = T+0 close
Oct 19, 2026
via day close
T+1d
0.00%
call 0.00% · α -0.53%
$10.81
settled 6d ago
T+5d
Pending
due 7h ago
T+20d
Pending
in 21d
T+60d
Pending
in 3mo

Price Chart

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Executive Summary

This is Amendment No. 7 to the S-4 registration statement for the reverse triangular merger between Non-Invasive Monitoring Systems (NIMU), a shell company, and Gravitics, a private space infrastructure company. The filing updates the merger terms, including a $50 million public offering (minimum $40 million) as a closing condition, and provides detailed financial statements and pro forma information. The transaction will result in Gravitics stockholders owning 96.5% of the combined company, with NIMU stockholders retaining 3.5%.

Key Facts

  • Merger consideration: 30,152,861 shares of NIMU common stock, 5,534,506 stock options, and 354,394 warrants to be issued to Gravitics stockholders.
  • Post-merger ownership: Gravitics stockholders will hold not less than 96.5% of the combined company; NIMU stockholders will hold not more than 3.5%.
  • Public Offering: $50.0 million (minimum $40.0 million) underwritten public offering is a condition to closing the merger.
  • Nasdaq listing: The combined company will seek to list on Nasdaq under the symbol GVTX; Nasdaq approval is a condition to closing.
  • Gravitics has a $270 million contract with Axiom Space (terminable on 30 days' notice) and a $60 million STRATFI contract with the U.S. Space Force.
  • Gravitics reported zero revenue for H1 2026 vs. $1.0 million in H1 2025; net loss was $24.5 million vs. $5.5 million.
  • NIMU had $160k cash, $1.6M total liabilities, and a $1.4M shareholders' deficit as of June 30, 2026.
  • Both NIMU and Gravitics auditors have included going concern explanatory paragraphs in their reports.
  • The merger is structured as a reverse recapitalization with Gravitics as the accounting acquirer.
  • NIMU's outstanding $809,706 convertible promissory note will convert into NIMU common stock at closing.

Financial Impact

Pro forma combined company shows $44.6M cash and $39.2M stockholders' equity as of June 30, 2026, after giving effect to the $50M public offering and merger adjustments. Gravitics had $2.7M cash and a $49.9M stockholders' deficit as of June 30, 2026.

cashequitydilutionrevenuenet loss

Risk Factors

  • Merger may not close if the $50M public offering or Nasdaq listing is not achieved by the October 30, 2026 deadline.
  • Gravitics has a limited operating history, zero recent revenue, and a going concern qualification from its auditor.
  • The $270M Axiom contract is terminable at will on 30 days' notice, posing significant revenue risk.
  • Massive dilution for current NIMU stockholders, who will own only 3.5% of the combined company.
  • Gravitics has identified material weaknesses in its internal control over financial reporting.

Investment Themes

Healthcare & Medical Devices

Documents Analyzed

This report is based on 6 SEC documents filed with EDGAR.

DocumentAccession Number
S-4/A Filing (Primary)0001493152-26-047665
Exhibit: ex23-1.htm0001493152-26-047665
Exhibit: ex23-2.htm0001493152-26-047665
Document: 0001493152-26-047665-index-headers.html0001493152-26-047665
Document: 0001493152-26-047665-index.html0001493152-26-047665
Document: 0001493152-26-047665.txt0001493152-26-047665
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 Oct 19, 2026