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Onyx Bio, Inc.

Onyx provides immune-system research data to scientists developing medicines.

Updated Nov 11, 2026·Latest SEC filing Feb 26, 2026·Suggest an edit

About Onyx

Onyx is a private company based in Berkeley, California, incorporated in 2021 in Delaware. It has reported $13,326,956 raised in two offerings on Form D since March 2022. Its chief executive is Roger Chen.

Funding Rounds (SEC Form D)

First saleFiled with SECAmount soldInvestorsAvg. checkTermsFiling
Feb 13, 2026Feb 26, 2026$7,999,999fully sold3$2.6MEquityRule 506(b)Form D ↗
Jan 28, 2022Mar 22, 2022$5,326,957of $5.4M target15$355KEquity, OptionsRule 506(b)Form D ↗
Total, two offerings$13,326,956

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 Onyx's Form D filed Feb 26, 2026.

Amit Lakhani
Amit Lakhani
Co-Founder and Chief Technology Officer, director
Roger Chen
Roger Chen
Co-Founder and Chief Executive Officer, director

Earlier filings also listed Lance Coleman (executive officer, director and promoter, last listed Mar 2022).

Sources

  1. SECOnyx Bio, Inc. filing history
  2. CompanyAbout Onyx