Sigma5 Inc.
PrivateLast 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.
Sigma5 Inc. Comparables
Compare Sigma5 Inc. with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| HyperSpectral | 81% | |
| Matter Intelligence | 80% | |
| Si-Ware Systems | 79% |
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Sigma5 Inc. Funding Rounds
Historical fundraising activity
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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.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
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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.