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Sigma5 Inc.

Sigma5 Inc.

Private
Santa Cruz, CaliforniaFrontier & Industrial Techhttps://sigma5.io

Last Round

Seed

Oct 6, 2026

Momentum

Top 25%

of companies Caplight tracks

Company Overview

Sigma5 Inc. operates in Frontier & Industrial Tech and is based in Santa Cruz, California. It was founded in 2024.

Sigma5 Inc. is an electronic equipment and instruments company that develops and manufactures environmental measurement technology, including photonic spectrometers and spectral sensing systems for industrial and ecological monitoring.

Sector

Frontier & Industrial Tech

Verticals

Sensors, Environmental Monitoring, ML Platforms

Business Model

B2B

Customer Profile

Subscription SaaS, Hardware Sales

AI Layer

Application

Historical Pricing

Historical view of private secondary pricing and transaction trends.

Pricing history

Caplight clients see full MarketPrice™ history and secondary transactions.

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

Momentum history

Caplight clients track how buyer interest and sentiment change over time.

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Sigma5 Inc. Comparables

Compare Sigma5 Inc. with similar companies based on industry and business-model similarity.

Sigma5 Inc. comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
HyperSpectral
81%
Matter Intelligence
80%
Si-Ware Systems
79%
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Sigma5 Inc. Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
SeedOct 6, 2026
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Market signals

Structured signals derived from secondary market and firmographic data.

  • Oct 6, 2026

    $270K raised in Seed round.

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Sigma5 Inc. Filings

Explore SEC and related filing metadata, where available.

Sigma5 Inc. filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

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Frequently Asked Questions

Common questions about Sigma5 Inc.'s valuation, stock price, and market status.

Is Sigma5 Inc. a public or private company?

Sigma5 Inc. is a private company.

What is the current stock price of Sigma5 Inc.?

Sigma5 Inc. is a private company, so its shares have no public market price. Caplight tracks Sigma5 Inc.'s secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.

How much is Sigma5 Inc. worth (valuation)?

Valuation information for Sigma5 Inc. is not publicly available.

Can I buy Sigma5 Inc. stock?

Sigma5 Inc. shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.

When was Sigma5 Inc.'s last funding round?

Sigma5 Inc.'s most recent funding round was Seed on October 6, 2026.

Who are the main investors in Sigma5 Inc.?

Investor information for Sigma5 Inc. is not publicly disclosed.

Will Sigma5 Inc. IPO soon?

No public IPO plans have been announced for Sigma5 Inc..

How can I track Sigma5 Inc. secondary market activity?

Caplight tracks bids, offers, and trades in Sigma5 Inc.'s shares on secondary markets.

Firmographic Details

HeadquartersSanta Cruz, California
Year Founded2024
Last FundingOct 6, 2026

Institutional Data Access

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