Fundraising Fox

Sandbar

3 known investors

Stream is a private voice ring device that enables universal dictation and speech-to-text capture across iOS and Mac applications, designed for users who need to record thoughts and ideas hands-free.

ConsumerDeveloper ToolsHardware

Founders & leadership

BBBrock Bontrager
Brock BontragerinFounderFounder of Sandbar, which provides anti-money laundering software designed for financial compliance.

Investors · 3

BetaworksNew York · $250K – $750K
True VenturesSan Francisco · $500K – $3M
Upfront VenturesreportedLos Angeles · $1M – $10M

Funding

SEC filings, press & company announcements

Source: company announcements and press reports — follow each round's link for the claim.

In the news

Meta Alum Mina Fahmi’s Sandbar Raises $23M to Redefine A.I. Wearable Techobserver.com · Mar 2026Sandbar Raises $23M to Build a Wearable Conversational Interface for an Agentic Worldprnewswire.com · Mar 2026Oura rival Sandbar raises $13M to launch Stream, a voice-controlled smart ring — TFNtechfundingnews.com · Nov 2025Sandbar Raises $4.8M in Seed Fundingfinsmes.com · Jan 2023

Frequently asked questions

What does Sandbar do?
Stream is a private voice ring device that enables universal dictation and speech-to-text capture across iOS and Mac applications, designed for users who need to record thoughts and ideas hands-free.
Who founded Sandbar?
Sandbar was founded by Brock Bontrager.
Who are Sandbar's investors?
Sandbar's investors include Betaworks, True Ventures, Upfront Ventures.