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Atommap Corp

Designs potential medicines using AI and simulations of molecules inside cells.

Updated Nov 10, 2026·Latest SEC filing Mar 20, 2026·Suggest an edit

About Fathom Therapeutics

Fathom Therapeutics is a private company based in New York, New York, incorporated in 2023 in Delaware. It has reported $38,215,324 raised in two offerings on Form D since November 2023. Its chief executive is Huafeng Xu.

Funding Rounds (SEC Form D)

First saleFiled with SECAmount soldInvestorsAvg. checkTermsFiling
Mar 6, 2026Mar 20, 2026$31,130,335of $59.6M target29$1.0MEquity, Offering of Series A and Series A-1 Preferred Stock (collectively "Series A") and the underlying shares of Common Stock issuable upon conversion of Series A.Rule 506(b)Form D ↗
Nov 13, 2023Nov 16, 2023$7,084,989fully sold31$228KEquityRule 506(b)Form D ↗
Total, two offerings$38,215,324

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 Fathom Therapeutics's Form D filed Mar 20, 2026.

KL
Keith Loebner
Managing Director at Sutter Hill Ventures
Also a director at Integrated Biosciences.
HX
Huafeng Xu
Co-Founder and CEO, director

Sources

  1. SECAtommap Corp filing history
  2. PressFathom Therapeutics Series A announcement