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A28 Therapeutics, Inc.

Updated Oct 27, 2026·Latest SEC filing Jan 14, 2025·Suggest an edit

About A28 Therapeutics

A28 Therapeutics is a private company based in LA Jolla, California, incorporated in 2021 in Delaware. It has reported $1,900,000 raised in one offering on Form D since January 2025. Its chief executive is Stanley Lewis.

Funding Rounds (SEC Form D)

First saleFiled with SECAmount soldInvestorsAvg. checkTermsFiling
Feb 1, 2022Jan 14, 2025$1,900,000fully sold26$73,077Options, Securities on exerciseRule 506(b)Form D ↗

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 A28 Therapeutics's Form D filed Jan 14, 2025.

SL
Stanley Lewis
Chief Executive Officer and director
RB
Ross Barrett
Director

Sources

  1. SECA28 Therapeutics, Inc. filing history