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Tangen Biosciences, Inc.

Updated Oct 27, 2026·Latest SEC filing Jun 6, 2023·Suggest an edit

About Tangen Biosciences

Tangen Biosciences is a private company based in Branford, Connecticut. It has reported $20,424,747 raised in five offerings on Form D since December 2015. Its chief executive is Richard Birkmeyer, PhD.

Funding Rounds (SEC Form D)

First saleFiled with SECAmount soldInvestorsAvg. checkTermsFiling
May 26, 2023Jun 6, 2023$464,767of $2.5M target9$51,641Debt, Options, Securities on exerciseRule 506(b)Form D ↗
Jun 19, 2020Jul 1, 2020$11,239,731of $20.0M target39$288KEquity, Debt, Options, Securities on exerciseRule 506(b)Form D ↗
Mar 14, 2019Mar 22, 2019$6,689,846of $11.0M target29$230KEquity, Options, Securities on exerciseRule 506(b)Form D ↗
Not yetNov 2, 2016$0of $8.0M target0—EquityRule 506(c)Form D ↗
Dec 14, 2015Dec 28, 2015$2,030,403of $3.0M target8$253KEquityRule 506(b)Form D ↗
Total, five offerings$20,424,747

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 Tangen Biosciences's Form D filed Jun 6, 2023.

AL
Alan Levin
Director
RP
Richard Birkmeyer, PhD
President and CEO, director
VK
DW
JD
John Davidson
Executive officer and director

Earlier filings also listed Christopher Benoit (director, last listed Jul 2020), Brian Chirico (executive officer, last listed Jul 2020) and John Nobile (director, last listed Nov 2016).

Sources

  1. SECTangen Biosciences, Inc. filing history