CORUMAT, INC.

Mercer Island, WA · Materials · Private

Lightweight bio-based plastic manufacturing technology producing layered cellular structures from plant materials via solid state foaming and polymer blending

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Updated Oct 23, 2026 · corumat.com

Sector: Materials
Headquarters: Mercer Island, WA
Latest Form D: $50K, Oct 2025
Total capital: $3.9M

Federal grants: $2.3M; 4 awards · 2016–2018; Rank in peer group#39 of 141
Private capital raised: $1.6M; 5 Form D · last Oct 2025; 12 months since last filing
Federal contracts: None on recordNo federal contract awards found.
Granted patents: 5; 7 pending · first 2019; Rank in peer group#14 of 141

Capital timeline

Latest events

Oct 2025Private capital raisedForm D · SEC · 5th filing$50K
Jan 2025Private capital raisedForm D · SEC · 4th filing$61K
Mar 2023Private capital raisedForm D · SEC · 3rd filing$30K
May 2021Private capital raisedForm D · SEC · 2nd filing$125K
Sep 2019Private capital raisedForm D · SEC · 1st filing$1.3M
Sep 2018Federal grantAgriculture · Scale Up And Commercialization Of High Performance Biocomposite Structures$599K
Sep 2017Federal grantNSF · Phase II · SBIR Phase II: High performance biodegradable sandwich core structures$1.3M

Show 2 earlier federal awards

Jun 2017Federal grantAgriculture · High Performance Biocomposite Structures$100K
Jul 2016Federal grantNSF · Phase I · STTR Phase I: High performance biodegradable sandwich core structures$230K

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

38months

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

First federal award · Jul 2016: NSF · $230K
First Form D · Sep 2019: $1.3M · 1st Form D
Awards before first raise: 4 awards

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

Standing among 141 peers

Line = median

Materials · Material

Federal grants#39 · top 28%
Granted patents#14 · top 10%

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

Michael WaggonerResearcherExecutive Officer, DirectorLinked by 5 patents · $1.6M in grants as PI
DAYTON W. HORVATHExecutive OfficerNamed in SEC Form D filings
Michae WaggonerExecutive Officer, DirectorNamed in SEC Form D filings
Stewart K. MehlmanDirectorNamed in SEC Form D filings
Thomas TurneyDirectorNamed in SEC Form D filings

What it has protected

USPTO · 5 granted of 12

Sep 12, 2024PendingMultilayer Microcellular Compostable Bioplastics And Their Method Of ManufactureUSPTOApplication 18508040
Dec 26, 2023GrantedMultilayer Microcellular Compostable Bioplastics And Their Method Of ManufactureUSPTOUS 11,850,775
Nov 28, 2023GrantedRapid Solid-state FoamingUSPTOUS 11,827,003

Show all 12 patent records

Multilayer Microcellular Compostable Bioplastics And Their Method Of ManufactureSep 12, 2024 · Application 18508040Pending
Multilayer Microcellular Compostable Bioplastics And Their Method Of ManufactureDec 26, 2023 · US 11,850,775Granted
Rapid Solid-state FoamingNov 28, 2023 · US 11,827,003Granted
Reduced Density ThermoplasticsMay 30, 2023 · US 11,661,491Granted
Systems And Methods For Recycling Of Reduced Density BioplasticsMar 10, 2022 · Application 17480672Pending
Layered StructuresOct 13, 2020 · US 10,800,136Granted
Reduced Density ThermoplasticsDec 24, 2019 · US 10,513,590Granted
Multilayer Microcellular Compostable Bioplastics And Their Method Of ManufactureApplication PCTUS2020025413Pending
Multilayer Microcellular Compostable Bioplastics And Their Method Of ManufactureApplication 62824964Pending
Systems And Methods For Recycling Of Reduced Density BioplasticsApplication 62824629Pending
Systems And Methods For Recycling Of Reduced Density BioplasticsApplication PCTUS2020025011Pending
Multilayer Microcellular Compostable Bioplastics And Their Method Of ManufactureApplication 62925095Pending

Grow Plastics LLCShares a founder: Michael Waggoner
Global Bamboo Technologies, Inc.Similar federal contract value in Materials · null in contracts
PERAWATT ENERGY INC.Similar federal contract value in Materials · null in contracts
INVENTWOOD Inc.Similar federal contract value in Materials · null in contracts
On-Q-ity, Inc.Similar federal contract value in Materials · null in contracts
JDC, INC.Similar federal contract value in Materials · null in contracts

Regulatory activity · Materials

Sector-level, not company-level

24 Apr 2026Eliminating Regulations Establishing Fellowships in Laboratory Standardization and Testing for Foreign CitizensNational Institute of Standards and Technology
19 Feb 2026Eliminating Obsolete Marking Requirements for Toy, Look-Alike, and Imitation FirearmsNational Institute of Standards and Technology
19 Feb 2026Eliminating Obsolete Regulations Related to the Advanced Technology Program and the Technology Innovation ProgramNational Institute of Standards and Technology

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 Oct 23, 2026. SBIR and STTR awards through Oct 21, 2026.