Exum Instruments, Inc.

LAKEWOOD, CO · Founded 2016 · Materials · Private

Massbox, an analytical instrument for rapid quantitative elemental analysis and depth profiling of solid materials

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Updated · exuminstruments.com

Sector
Materials
Headquarters
LAKEWOOD, CO
Founded
2016
Latest Form D
$120K, Jan 2026
Total capital
$16.7M
Federal grants
$1.2M
1 award · 2024
Rank in peer group#9 of 13
Private capital raised
$13.7M
5 Form D · last Jan 2026
9 months since last filing
Federal contracts
$1.8M
3 awards · Defense
Rank in Materials#134 of 1258
Granted patents
None on recordNo USPTO grants. Applications publish after 18 months.

Capital timeline

20192020202120222023202420252026FEDERAL ↑EQUITY ↓Cumulative $16.7M$49K$476K$1.2M$1.2M1st Form D$600K2nd Form D$10.3M5th Form D$120K
2019202120232025FEDERAL ↑EQUITY ↓Cumulative $16.7M$49K$476K$1.2M$1.2M2nd Form D$10.3M

Latest events

  • Private capital raisedForm D · SEC · 5th filing$120K
  • Private capital raisedForm D · SEC · 4th filing$1.1M
  • Federal contractDefense · Small Business Innovation Research (SBIR) Direct To Phase II, Topic AF242-D009--EXUM Massbox: Semi-nondestructively Material Characterization Of Small Parts To Aid In Reverse Engineering.$1.2M
  • Federal grantDefense · Phase II · Small Business Innovation Research (SBIR) Direct To Phase II, Topic AF242-D009--EXUM Massbox: Semi-nondestructively Material Characterization Of Small Parts To Aid In Reverse Engineering.$1.2M
  • Private capital raisedForm D · SEC · 3rd filing$1.5M
  • Private capital raisedForm D · SEC · 2nd filing$10.3M
  • Federal contractDefense · SBIR Phase III Topic #AF212-CSO1. A Desktop Size Ablation-laser Ionization-time Of Flight Mass Spectrometer (lali-tof-ms), Associated Software And Software Familiarization$476K
  • Private capital raisedForm D · SEC · 1st filing$600K
Show 1 earlier federal award
  • Federal contractDefense · An Innovative Mass Spectrometer To Enable Rapid, Effective Decision-making$49K

Node area is scaled to amount. Form D reports securities sold, which can differ from an announced round; filings are numbered in the order they were made.

Standing among 13 peers

Line = median

Materials · Instrument

  • Federal grantsBelow median

Cumulative measures favor older companies. Rankings describe position today, not outcome. Below the median, ranks show as a band rather than a number.

Founders and team

From SEC Form D filings
  • David ClouseDirectorNamed in SEC Form D filings
  • Doug A CampbellDirectorNamed in SEC Form D filings
  • James ThorsonExecutive Officer, DirectorNamed in SEC Form D filings
  • Jeffrey A GentschDirectorNamed in SEC Form D filings
  • Jeffrey WilliamsExecutive Officer, Director, PromoterNamed in SEC Form D filings
  • Michael A MinyardExecutive OfficerNamed in SEC Form D filings
Show all 8 people
  • Stephen StricklandDirectorNamed in SEC Form D filings
  • Steve A PattisonDirectorNamed in SEC Form D filings

What it has protected

No granted patents are on record.

USPTO usually publishes applications 18 months after filing, so recent applications may not be visible yet. Patents assigned under a different entity name won’t match.

Checked: USPTO granted patents and published applications · Oct 23, 2026

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  • NEODYNETICS CORPORATIONSimilar federal contract value in Materials · $1.8M in contracts
  • SYNTRO TEK CORPORATIONSimilar federal contract value in Materials · $1.8M in contracts
  • Addiguru, LLCSimilar federal contract value in Materials · $1.7M in contracts
  • LASER DESIGN, INCSimilar federal contract value in Materials · $1.7M in contracts

Regulatory activity · Materials

Sector-level, not company-level

Rules are matched to sector, not to company. Recent activity in a sector is context rather than a signal about this business — until rules are matched to what a company actually builds, the section is shown as context and nothing more.

Sources

Federal grants from SBIR/STTR, NIH, NSF and DoD records. Federal contracts from USAspending.gov. Private capital from SEC Form D. Patents from USPTO. Publications from OpenAlex. Regulatory activity from the Federal Register. Press matched on company name.

How to read this page

Figures show associations in public records, not causes or predictions. Nothing here is investment advice. An em-dash means no record was found under this company's name, not that none exists.

Data freshness

SEC Form D filings through . SBIR and STTR awards through .