logo
Sign in

SPECTREE INC.

Seattle, WA · Clean tech · Private

Miniaturized multispectral spectroscopic sensor for real-time chemical analysis of ultrafine airborne particles using excitation-emission matrix spectroscopy and machine-learning source identification

Claim this profile

Follows are private to you and power your alerts

Updated · spectree.com

Sector
Clean tech
Headquarters
Seattle, WA
Total capital
$2.9M
Federal grants
$2.5M
6 awards · 2022–2025
Rank in peer group#17 of 27
Private capital raised
None on recordNo Form D filings on SEC EDGAR. Some raises are not filed.
Federal contracts
$407K
2 awards · Defense
Rank in Clean tech#74 of 914
Granted patents
None on recordNo USPTO grants. Applications publish after 18 months.

Capital timeline

20222023202420252026FEDERAL ↑EQUITY ↓Cumulative $2.9M$260K$888K$197K$904K$210K$210K
20222023202420252026FEDERAL ↑EQUITY ↓Cumulative $2.9M$260K$888K$904K$210K

Latest events

  • Federal contractDefense · Integrated Aerosol Collection And Mof-fet Sensors (aeromof-fet) For Aerosolized Chem/biothreats$210K
  • Federal grantDefense · Phase I · Integrated Aerosol Collection And Mof-fet Sensors (aeromof-fet) For Aerosolized Chem/biothreats$210K
  • Federal grantHealth and Human S · Phase II · Multispectral Sensor for Chemical Composition Analysis of Ultrafine Aerosols in Air Quality Assessment$77K
  • Federal grantHealth and Human S · Phase II · Multispectral Sensor for Chemical Composition Analysis of Ultrafine Aerosols in Air Quality Assessment$904K
  • Federal grantDefense · Phase I · STTR Phase I Spectree Aerosol Collectors For Microsensors$197K
  • Federal contractDefense · STTR Phase I Spectree Aerosol Collectors For Microsensors$197K
  • Federal grantHealth and Human S · Phase II · Multispectral Sensor for Chemical Composition Analysis of Ultrafine Aerosols in Air Quality Assessment$888K
Show 1 earlier federal award
  • Federal grantHealth and Human S · Phase I · Multispectral Sensor for Chemical Composition Analysis of Ultrafine Aerosols in Air Quality Assessment$260K

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 27 peers

Line = median

Clean tech · Device

  • 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

No founders are linked to this company yet.

Founders appear once a person is matched to the company through its own patents, grants or filings. We never infer people from social profiles.

Checked: USPTO inventors; federal award principal investigators; SEC Form D related persons · Oct 23, 2026

Claim this profile to add your team

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

Related companies, and why

Regulatory activity · Clean tech

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 .