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Graphyte

Memphis, TN · Founded 2023 · Clean tech · Private

Carbon casting technology that converts biomass into CO2-storing bricks

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Updated · graphyte.com

Sector
Clean tech
Headquarters
Memphis, TN
Founded
2023
Latest Form D
$37.8M, Sep 2024
Total capital
$37.8M
Federal grants
None on recordNo awards found in SBIR/STTR, NIH, NSF or DoD records.
Private capital raised
$37.8M
1 Form D · last Sep 2024
26 months since last filing
Federal contracts
None on recordNo federal contract awards found.
Granted patents
1
23 pending · first 2025
Rank in peer group#12 of 50

Capital timeline

2024FEDERAL ↑EQUITY ↓Cumulative $37.8M1st Form D$37.8M
2024FEDERAL ↑EQUITY ↓Cumulative $37.8M1st Form D$37.8M

Latest events

  • Private capital raisedForm D · SEC · 1st filing$37.8M

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 50 peers

Line = median

Clean tech · Material

  • Granted patents#12 · top 24%

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
  • Barclay RogersExecutive Officer, DirectorNamed in SEC Form D filings
  • Chris RivestDirectorNamed in SEC Form D filings
  • Matthew EggersDirectorNamed in SEC Form D filings

What it has protected

USPTO · 1 granted of 24
Show all 24 patent records
  • Verifiable and Repairable Preserved Biolandfill for Biological Carbon Sequestration And Compositions For Biological Carbon PreservationDec 16, 2025 · US 12,497,565Granted
  • Verifiable and Repairable Dry Tomb Biolandfill for Biological Carbon Sequestration And Methods of ConstructionNov 23, 2023 · Application 18316103Pending
  • Systems And Methods Related To Inline Spectral Measurements Of Biomass Carbon ContentApplication PCTUS2025026493Pending
  • Systems And Methods Of Processing Biomass For Carbon SequestrationApplication PCTUS2024054073Pending
  • The Use Of Tracers To Monitor The Condition Of Stored MaterialsApplication PCTUS2024054072Pending
  • Systems And Methods Related To Inline Spectral Measurements Of Biomass Carbon ContentApplication 63670630Pending
  • System That Monitors The Generation Of Gases From The Decomposition Of Organic Matter Within A Storage AreaApplication 63641874Pending
  • Systems And Methods Of Processing Biomass For Carbon SequestrationApplication PCTUS2024027523Pending
  • Systems And Methods Related To Inline Spectral Measurements Of Biomass Carbon ContentApplication 63638537Pending
  • Encapsulation Of Biomass Through Application Of A Curable Polymer Or ResinApplication 63563279Pending
  • Verifiable And Repairable Preserved Biolandfill For Biological Carbon Sequestration And Compositions For Biological Carbon PreservationApplication PCTUS2023082731Pending
  • Verifiable And Repairable Dry Tomb Biolandfill For Biological Carbon Sequestration And Methods Of ConstructionApplication PCTUS2023082642Pending
  • Articles And Related Methods For The Encapsulation Of BiomassApplication 63598012Pending
  • Tracking Of Carbon Content Throughout A Biomass-based Process For The Purpose Of Understanding The Impact On Greenhouse Warming PotentialApplication 63596618Pending
  • Systems And Methods Of Processing Biomass For Carbon SequestrationApplication 63596616Pending
  • Use Of Tracersto Monitor The Condition Of Stored MaterialsApplication 63596614Pending
  • Systems And Methods Of Processing Biomass For Carbon SequestrationApplication 63463888Pending
  • Verifiable and Repairable Preserved Biolandfill for Biological Carbon Sequestration And Compositions For Biological Carbon PreservationApplication 63432047Pending
  • Verifiable and Repairable Dry Tomb Biolandfill For Biological Carbon Sequestration and Methods of ConstructionApplication 63432031Pending
  • Verifiable and Repairable Dry Tomb Biolandfill for Biological Carbon SequestrationApplication 63343011Pending
  • The Use Of Tracers To Monitor The Condition Of Stored MaterialsApplication 19584055Pending
  • Verifiable And Repairable Dry Tomb Biolandfill For Biological Carbon Sequestration And Methods Of ConstructionApplication 19137482Pending
  • Systems And Methods Of Processing Biomass For Carbon SequestrationApplication 19584065Pending
  • Systems And Methods Related To Inline Spectral Measurements Of Biomass Carbon ContentApplication PCTUS2025027506Pending

Related companies, and why

  • New IridiumSimilar federal contract value in Clean tech · null in contracts
  • T2C-ENERGY LLCSimilar federal contract value in Clean tech · null in contracts
  • 4D MAKER, LLCSimilar federal contract value in Clean tech · null in contracts
  • PROMETHEUS TECHNOLOGIES, LLCSimilar federal contract value in Clean tech · null in contracts
  • Cleancult llcSimilar federal contract value in Clean tech · null in contracts
  • FRONTLINE BIOENERGY, 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 .