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PYRAN INC

Madison, WI · Founded 2018 · Clean tech · Private

Biobased 1,5-pentanediol production from agricultural feedstocks using proprietary synthesis technology

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Updated · pyranco.com

Sector
Clean tech
Headquarters
Madison, WI
Founded
2018
Latest Form D
$217K, Feb 2026
Total capital
$9.1M
Federal grants
$2.1M
3 awards · 2019–2020
Rank in peer group#9 of 23
Private capital raised
$7.1M
4 Form D · last Feb 2026
8 months since last filing
Federal contracts
None on recordNo federal contract awards found.
Granted patents
None on recordNo USPTO grants. Applications publish after 18 months.

Capital timeline

20192020202120222023202420252026FEDERAL ↑EQUITY ↓Cumulative $9.1M$225K$200K$1.7M1st Form D$1.5M3rd Form D$5M4th Form D$217K
2019202120232025FEDERAL ↑EQUITY ↓Cumulative $9.1M$225K$200K$1.7M1st Form D$1.5M3rd Form D$5M

Latest events

  • Private capital raisedForm D · SEC · 4th filing$217K
  • Private capital raisedForm D · SEC · 3rd filing$5M
  • Private capital raisedForm D · SEC · 2nd filing$375K
  • Private capital raisedForm D · SEC · 1st filing$1.5M
  • Federal grantNSF · Phase II · SBIR Phase II: A New Bio-based Monomer for the Coatings Industry$1.7M
  • Federal grantEnergy · Phase I · Biomass Derived Sustainable Polymers: 1,5-Pentanediol Based Polyester Polyols$200K
  • Federal grantNSF · Phase I · SBIR Phase I: A New Bio-based Monomer for the Coatings Industry$225K

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.

Federal first

49months

from PYRAN INC’s first federal award to its first private round.

First federal award · Feb 2019
NSF · $225K
First Form D · Mar 2023
$1.5M · 1st Form D
Awards before first raise
3 awards

An association in public records, not a cause or a prediction.

Standing among 23 peers

Line = median

Clean tech · System

  • Federal grants#9 · top 39%

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

Researcher links verified by same-company patents and grants
  • KEFENG L HUANGResearcherPromoterLinked by $200K in grants as PI
  • KEVIN L BARNETTResearcherExecutive Officer, DirectorLinked by $1.9M in grants as PI
  • ANDREW L SHAFERDirectorNamed in SEC Form D filings
  • GEORGE L HUBERPromoterNamed in SEC Form D filings
  • JAMES L DUMESICPromoterNamed in SEC Form D filings
  • MELVIN L LUETKENS JR.Executive Officer, DirectorNamed in SEC Form D filings
Show all 9 people
  • PETER L CHIDYLLODirectorNamed in SEC Form D filings
  • THIERRY L CASIEZDirectorNamed in SEC Form D filings
  • WILLIAM L BANHOLZERDirectorNamed 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

Related companies, and why

  • ALGAEN CORPORATIONSimilar federal contract value in Clean tech · null in contracts
  • ONSITE POWER SYSTEMS INCSimilar federal contract value in Clean tech · null in contracts
  • POWDER WATTS, LLCSimilar federal contract value in Clean tech · null in contracts
  • CIRCULARITY FUELS, INC.Similar federal contract value in Clean tech · null in contracts
  • CONFLUENCY LLCSimilar federal contract value in Clean tech · null in contracts
  • BIOMINERAL SYSTEMS LLCSimilar federal contract value in Clean tech · null in contracts

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 .