Carbon, Inc.

REDWOOD CITY, CA · Founded 2013 · Materials · Private

3D printing system using Digital Light Synthesis technology for rapid prototyping and manufacturing of end-use parts

New patent · Oct 13

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Updated Oct 23, 2026 · carbon3d.com

Sector: Materials
Headquarters: REDWOOD CITY, CA
Founded: 2013
Latest Form D: $120M, Apr 2019
Total capital: $405M

Federal grants: None on recordNo awards found in SBIR/STTR, NIH, NSF or DoD records.
Private capital raised: $405M; 4 Form D · last Apr 2019; 91 months since last filing
Federal contracts: $344K; 4 awards · Defense, Veterans Affairs; Rank in Materials#209 of 1258
Granted patents: 1; 9 pending · first 2026; Rank in peer group#19 of 94

Capital timeline

Latest events

Apr 2019Private capital raisedForm D · SEC · 4th filing$120M
Nov 2018Federal contractDefense · M2 -subscription; 3 Years$171K
Dec 2017Private capital raisedForm D · SEC · 3rd filing$143M
Sep 2016Federal contractDefense · Carbon 3D Printer Lease Igf::ot::igf$174K
Jul 2016Private capital raisedForm D · SEC · 2nd filing$41.1M
Aug 2015Private capital raisedForm D · SEC · 1st filing$100M

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.

2 records have no date or no amount, so they aren’t placed on the timeline.

Standing among 94 peers

Line = median

Materials · Device

Granted patents#19 · top 20%

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

Adam J. GrosserDirectorNamed in SEC Form D filings
Alan S. MulallyDirectorNamed in SEC Form D filings
Andy S. WheelerDirectorNamed in SEC Form D filings
Deborah S. MessemerDirectorNamed in SEC Form D filings
Elisa S. de MartelExecutive OfficerNamed in SEC Form D filings
Ellen J. KullmanDirectorNamed in SEC Form D filings

Show all 13 people

Eric J. LiedtkeDirectorNamed in SEC Form D filings
Fang S. ZhengDirectorNamed in SEC Form D filings
James J. GoetzDirectorNamed in SEC Form D filings
Joseph M. DeSimoneExecutive Officer, DirectorNamed in SEC Form D filings
Josh S. GreenExecutive OfficerNamed in SEC Form D filings
Luke S. KellyExecutive OfficerNamed in SEC Form D filings
Robert E. Long, Jr.DirectorNamed in SEC Form D filings

What it has protected

USPTO · 1 granted of 10

Oct 13, 2026New patentOne Part Moisture Curable Resins For Additive ManufacturingUSPTOUS 12,759,219
Jul 16, 2026PendingMethod And Apparatus For Three-dimensional FabricationUSPTOApplication 19344807
May 21, 2026PendingFoamed Interlaced Materials And Additively Manufacturing Methods Of Forming The SameUSPTOApplication 19389797

Show all 10 patent records

One Part Moisture Curable Resins For Additive ManufacturingOct 13, 2026 · US 12,759,219Granted
Method And Apparatus For Three-dimensional FabricationJul 16, 2026 · Application 19344807Pending
Foamed Interlaced Materials And Additively Manufacturing Methods Of Forming The SameMay 21, 2026 · Application 19389797Pending
Build Plates For Continuous Liquid Interface Printing Having Permeable Base And Adhesive For Increasing Permeability And Related Methods, Systems And DevicesMay 14, 2026 · Application 19307486Pending
Resin Extractor For Additive ManufacturingFeb 5, 2026 · Application 19303875Pending
Force-regulated Additive ManufacturingDec 25, 2025 · Application 19304745Pending
Production Of Low-density Products Using Moisture Curable ResinsApplication PCTUS2025046505Pending
Combination Additive And Subtractive Manufacturing Methods And Apparatus For Light Polymerizable ResinsApplication 19162180Pending
3D Printing Model Correction Methods, Systems And Computer Program ProductsApplication PCTUS2025047489Pending
Methods Of Additive Manufacturing With Liquid Crystalline Build SurfacesApplication PCTUS2025049809Pending

ELEMENTAL COATINGS LLCSimilar federal contract value in Materials · $390K in contracts
QLEDCURES LLCSimilar federal contract value in Materials · $365K in contracts
Headwall Photonics, Inc.Similar federal contract value in Materials · $357K in contracts
Atlas Bimetal Labs, Inc.Similar federal contract value in Materials · $331K in contracts
MELATECH, L.L.C.Similar federal contract value in Materials · $317K in contracts
PHASE III PHYSICS LLCSimilar federal contract value in Materials · $300K 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.