Skip to main content
Caplight Logo









SOND

SOND

Private
Cambridge, MassachusettsConsumer & Commercehttps://sond.com/

Last Round

Seed

Jun 23, 2026

Est. Valuation

$47M

Total Funding Raised

$7M

Momentum

Top 5%

of companies Caplight tracks

Company Overview

SOND is a healthcare technology company developing AI-powered sleep earbuds that provide real-time coaching and personalized soundscapes to improve sleep.

Sector

Consumer & Commerce

Verticals

Consumer Electronics, D2C Brands, Health IoT

Business Model

B2C

Customer Profile

Hardware Sales

AI Layer

Application

Keywords

AI sleep earbudssleepbudssleep techbiometric sensingAI sleep coachclosed-loop systeminsomnia solutionwearable techreal-time audio interventiondirect-to-consumerDTChealth IoTconsumer electronics

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.

SOND Comparables

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

SOND comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Somnee
81%
Ozlo Sleep
81%
Earable Neuroscience
79%

SOND Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
SeedJun 23, 2026

Key People

Founding team and executive leadership

Amir Lazarovich

Co-founder and CTO

Founding Team

Yadid Ayzenberg

Co-founder and CEO

Founding Team

SOND Investors

Notable investors and investment history

Market signals

Structured signals derived from secondary market and firmographic data.

  • Jul 22, 2026

    Grew 50% QoQ from 6 to 9 employees.

  • Jun 23, 2026

    $7M raised, led by The E14 Fund.

SOND 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

SOND Filings

SEC and related filings with document metadata.

Frequently Asked Questions

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

Firmographic Details

HeadquartersCambridge, Massachusetts
Employee Range9
Year Founded2022
Last FundingJun 23, 2026

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.

See something wrong or outdated?