United States · Series D startup
10 rounds we have observed, with the 9 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.
Funding summaryUpdated 26 Oct 2026
$24Mraised across 10 rounds since 2011, from 10 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
From a historical funding recordSEC filing: $5.8M sold, first sale Jan 2014
From a historical funding recordSEC filing: $5.8M sold, first sale Jan 2014
From a historical funding record
Reported by sec.govSEC filing: $781K sold, first sale Dec 2011
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Cherrystone Angel
Beta Fund
Alumni Ventures
Angel InvestTech Coast Angels
Golden Seeds
Easton CapitalOleg UritskyFort Point AngelsMissing a round, or an investor who was in one? Tell us.
These 2 firms list Respiratory Motion as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.
Respiratory Motion's investors include Cherrystone Angel, Beta Fund, Alumni Ventures, Angel Invest and Tech Coast Angels, and 4 more on record.
Respiratory Motion has raised $24M across 10 rounds since 2011. 7 rounds did not disclose an amount, so the total is a floor.
Respiratory Motion's most recent round was a Series D of $18M in May 2019.
Its most recent round, $18M in May 2019, is also its largest on record.
Respiratory Motion's first round on record, in Aug 2011, was backed by Cherrystone Angel.
Respiratory Motion's latest named round is a Series D, in May 2019.
Respiratory Motion is based in the United States.
In the same sector, and raised in the last eighteen months.
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United States · 
