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WhisperSom Medical Technologies, Inc

Develops a device intended to help people with sleep apnea breathe during sleep.

Updated Nov 10, 2026·Latest SEC filing Jun 17, 2026·Suggest an edit

About WhisperSom

WhisperSom is a private company based in Annapolis, Maryland. It has reported $1,319,000 raised in eight offerings on Form D since February 2016. Its chief executive is Michael Nathans.

Funding Rounds (SEC Form D)

First saleFiled with SECAmount soldInvestorsAvg. checkTermsFiling
Feb 24, 2026Jun 17, 2026$364,000of $3.5M target11$33,091Equity, Series A-1 Preferred StockRule 506(c)Form D ↗
Jul 15, 2021Oct 12, 2022$525,000target not set6$87,500Debt, OptionsRule 506(b)Form D ↗
Jul 27, 2020Dec 30, 2020$100,000fully sold1$100KDebt, OptionsRule 506(b)Form D ↗
Jan 16, 2019Jan 24, 2019$50,000of $800K target1$50,000EquityRule 506(b)Form D ↗
Sep 18, 2018Nov 6, 2018$30,000of $1.0M target1$30,000Debt, Options, Securities on exerciseRule 506(b)Form D ↗
May 31, 2017Jul 6, 2017$200,000of $670K target1$200KDebt, Options, Securities on exerciseRule 506(b)Form D ↗
Oct 30, 2015Feb 1, 2016$30,000of $750K target3$10,000Debt, Options, Securities on exerciseRule 506(b)Form D ↗
Jun 2, 2015Feb 1, 2016$20,000of $100K target1$20,000EquityRule 506(b)Form D ↗
Total, eight offerings$1,319,000

First sale is the date the first investor in the offering committed to invest. Companies must file Form D within 15 days of that date, so filing dates run later.

Leadership Team

Executive officers and directors listed on WhisperSom's Form D filed Jun 17, 2026.

Michael Nathans
Michael Nathans
Co-Founder, Chairman & CEO
David Goldstein
David Goldstein
Co-Founder & Director
Craig Feied
Craig Feied
Co-Founder, Director, Chief Scientist and Medical Director

Earlier filings also listed William Headapohl (director, last listed Oct 2022), Jason Boling (executive officer, last listed Oct 2022), David Glodstein (director, last listed Oct 2022) and Kevin Goldstein (executive officer, last listed Jan 2019).

Sources

  1. SECWhisperSom Medical Technologies, Inc filing history
  2. CompanyWhisperSom team