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Quartermaster AI, Inc

Maritime monitoring software and vessel-mounted sensors for fleet operators and other maritime organizations.

Updated Nov 9, 2026·Latest SEC filing Sep 29, 2026·Suggest an edit

About Quartermaster

Quartermaster is a private company based in Arlington, Virginia, incorporated in 2024 in Delaware. It has reported $171,249,436 raised in two offerings on Form D since June 2026. Its chief executive is Neil Sobin.

Funding Rounds (SEC Form D)

First saleFiled with SECAmount soldInvestorsAvg. checkTermsFiling
Sep 14, 2026Sep 29, 2026$122,649,481of $123.6M target17$7.2MEquityRule 506(b)Form D ↗
Apr 27, 2026Jun 23, 2026$48,599,955fully sold15$3.2MEquityRule 506(b)Form D ↗
Total, two offerings$171,249,436

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 Quartermaster's Form D filed Sep 29, 2026.

Neil Sobin
Neil Sobin
CEO and director
WT
William Trenchard
Director
Also a director at Edify Labs, EvolutionIQ and Verkada and an executive officer at First Round Capital.
NS
Nick Sinai
Director
Also a director at Govly.

Sources

  1. SECQuartermaster AI, Inc filing history
  2. CompanyAbout Quartermaster
  3. CompanyQuartermaster terms