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Exum Instruments

Desktop mass spectrometer for materials analysis

Raised to date

$4.7M

of $14.7M offered across 3 Form D filings

Still open
$10M
Investors
5
Last filed
Jul 2, 2026

About

Exum Instruments, Inc., based in Denver, Colorado, is a company specializing in the development of advanced scientific instrumentation and software designed to simplify and enhance materials characterization. Their solutions aim to make scientific analysis faster, more accessible, and cost-effective across various industries by overcoming limitations of traditional, complex analytical tools.

Democratizing high-performance analysis using compact, user-friendly technology.

Funding

Apr 20252026
Now

$6.7M round, first sold Jun 2026: $3.4M sold, $3.3M still open

  • EquityFiled Jul 2, 2026Form D
    $3.4M/ $6.7M
  • Security to be acquiredFiled Jan 12, 2026Form D
    $120K/ $5M
  • EquityFiled Apr 8, 2025Form D
    $1.1M/ $3M

Product

Massbox

Mass Spectrometer

The Massbox is Exum Instruments' flagship product, integrating advanced analytical capabilities into a compact, desktop-sized Laser Ablation Laser Ionization Time-of-Flight Mass Spectrometer (LALI-TOF-MS). It aims to bring versatile, high-performance materials analysis out of specialized lab environments.

  • Comprehensive Elemental Analysis
  • Elemental Mapping
  • Depth Profiling

Built for

Scientists, Engineers, and Research Laboratories

People on file