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Valthos Inc.

Valthos builds AI tools for government and life sciences teams to address biological threats.

Updated Nov 10, 2026·Latest SEC filing Apr 1, 2026·Suggest an edit

About Valthos

Valthos is a private company based in New York, New York, incorporated in 2024 in Delaware. It has reported $27,299,986 raised in one offering on Form D since April 2026. Its chief executive is Kathleen McMahon.

Funding Rounds (SEC Form D)

First saleFiled with SECAmount soldInvestorsAvg. checkTermsFiling
Aug 14, 2025Apr 1, 2026$27,299,986of $27.4M target5$5.4MEquityRule 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 Valthos's Form D filed Apr 1, 2026.

TS
Tess Van Stekelenburg
Co-founder and director
KM
Kathleen McMahon
Chief Executive Officer and director

Sources

  1. SECValthos Inc. filing history
  2. PressValthos funding announcement
  3. InvestorValthos head of operations job posting