NEWCaplight raises a $16M Series A, led by BlackRock and Fin Capital →
Skip to main content
Caplight Logo









Sublime Systems

Sublime Systems

Private
Somerville, MassachusettsFrontier & Industrial Techhttps://sublime-systems.com/

Last Round

Strategic

May 20, 2025

Total Funding Raised

$141.35M

Company Overview

Sublime Systems is a clean technology company that develops electrochemical cement manufacturing technology to reduce carbon emissions and co-produce green hydrogen.

Sector

Frontier & Industrial Tech

Verticals

Sustainable Materials, Clean Manufacturing, Construction Tech, Green Building

Business Model

B2B

Customer Profile

Hardware Sales, Data as a Service

AI Layer

Non-AI

Keywords

low-carbon cementgreen cementelectrochemical cementdecarbonized constructionenvironmental attribute certificateEACembodied carbon reductionsustainable building materialsclean manufacturingelectrochemical calcinationdrop-in cementclimate techcleantechdecarbonization technologyconstruction tech

Historical Pricing

Historical view of private secondary pricing and transaction trends.

Unlock Pricing Charts

Sign up to view complete historical pricing and secondary transactions.

Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

View Momentum History

Track how buyer interest and sentiment changes over time.

Sublime Systems Comparables

Compare Sublime Systems with similar companies based on industry and business-model similarity.

Sublime Systems comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Brimstone
91%
Fortera
87%
Prometheus Materials
85%

Sublime Systems Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
StrategicMay 20, 2025
GrantNov 2, 2024
StrategicSep 24, 2024
GrantAug 1, 2024
GrantMar 25, 2024
Grant
Feb 6, 2024

Key People

Founding team and executive leadership

Leah Ellis

CEO And Co-founder

Founding Team

Rob Davies

Chief Executive Officer, Sublime Systems Advisor

Executive Team

Anthony Di Paola

Chief Financial Officer

Executive Team

Sublime Systems Investors

Notable investors and investment history

Sublime Systems investors
InvestorRounds
Suffolk TechnologiesStrategic
Holcim AcceleratorStrategic
The EngineSeries A, Seed
Engine VenturesSeries A, Seed
Gigascale CapitalSeries A
CRH VenturesStrategic
My Climate Journey CollectiveSeries A

Market signals

Structured signals derived from secondary market and firmographic data.

  • Mar 17, 2026

    Filed for bankruptcy in the four weeks prior to April 14, 2026.

  • Mar 17, 2026

    Two-thirds of staff laid off in the four weeks prior to April 14, 2026.

Sublime Systems Filings

SEC and related filings with document metadata.

Data table
TypedDateAmount OfferedAmount SoldFillingPagesDownload
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation

Sublime Systems Filings

SEC and related filings with document metadata.

Frequently Asked Questions

Common questions about Sublime Systems's valuation, stock price, and market status.

Firmographic Details

HeadquartersSomerville, Massachusetts
Employee Range71
Year Founded2020
Last FundingMay 20, 2025

Institutional Data Access

Join leading institutional investors using Caplight to access private market data, discover pricing, and execute secondary block trades.

Requires verified institutional or accredited status.