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Sail Internet

Sail Internet

Private
Santa Clara, CaliforniaTelecommunications & Networkinghttps://sailinternet.com/

Last Round

Series A

Nov 11, 2020

Total Funding Raised

$20.52M

Momentum

Top 50%

of companies Caplight tracks

Company Overview

Sail Internet is a telecommunications company that provides high-speed fiber and fixed-wireless internet services to residential and business customers in the San Francisco Bay Area.

Sector

Telecommunications & Networking

Verticals

Internet Providers, Wireless Infrastructure, Fiber Networks

Business Model

B2C

Customer Profile

Subscription SaaS

AI Layer

Non-AI

Keywords

internet service providerISPfixed wirelessfiber internethigh-speed internetbusiness internetmanaged wifibroadbandlast-mile connectivitycord cuttingno-contract internetsymmetrical internetalternative ISPwireless ISPWISP

Historical Pricing

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

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Sail Internet Comparables

Compare Sail Internet with similar companies based on industry and business-model similarity.

Sail Internet comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Monkeybrains
93%
Tekify
91%
Etheric Networks
89%

Sail Internet Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series ANov 11, 2020
SeedJan 4, 2017

Key People

Founding team and executive leadership

Kevin Fisher

Chief Product Officer And Co-Founder

Founding Team

Cardi Prinzi

Chief Executive Officer

Executive Team

Sail Internet Investors

Notable investors and investment history

Sail Internet investors
InvestorRounds
Better VenturesSeed, Series A
Engineering CapitalSeries A, Seed
Newlight PartnersSeries A
Ulu VenturesSeries A, Seed

Market signals

Structured signals derived from secondary market and firmographic data.

  • Jun 19, 2026

    Monthly visitors increased 68% MoM.

  • Apr 5, 2026

    Added MVP Seller, a sales & marketing startup, as a customer.

Sail Internet Filings

Explore SEC and related filing metadata, where available.

Sail Internet filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

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Frequently Asked Questions

Common questions about Sail Internet's valuation, stock price, and market status.

Is Sail Internet a public or private company?

Sail Internet is a private company.

What is the current stock price of Sail Internet?

Sail Internet is a private company with no public stock price. No recent secondary market data is available.

How much is Sail Internet worth (valuation)?

Valuation information for Sail Internet is not publicly available.

Can I buy Sail Internet stock?

Sail Internet shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.

When was Sail Internet's last funding round?

Sail Internet's most recent funding round was Series A on November 11, 2020.

Who are the main investors in Sail Internet?

Key investors in Sail Internet include Engineering Capital, Newlight Partners, Ulu Ventures.

Will Sail Internet IPO soon?

No public IPO plans have been announced for Sail Internet.

How can I track Sail Internet secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Sail Internet's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersSanta Clara, California
Employee Range55
Year Founded2015
Last FundingNov 11, 2020

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