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Princeton Critical Minerals, Inc.

Develops technology to recover lithium and magnesium from oil and gas wastewater.

Updated Nov 10, 2026·Latest SEC filing Jul 27, 2026·Suggest an edit

About Princeton Critical Minerals

Princeton Critical Minerals is a private company based in Newark, New Jersey, incorporated in 2023 in Delaware. It has reported $11,000,000 raised in one offering on Form D since July 2026. Its chief executive is Sunxiang Zheng.

Funding Rounds (SEC Form D)

First saleFiled with SECAmount soldInvestorsAvg. checkTermsFiling
Mar 30, 2026Jul 27, 2026$11,000,000fully sold2$5.5MEquityRule 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 Princeton Critical Minerals's Form D filed Jul 27, 2026.

SZ
Sunxiang Zheng
Chief Executive Officer and director
ZR
Zhiyong Ren
Secretary and director

Sources

  1. SECPrinceton Critical Minerals, Inc. filing history
  2. ResearchARPA-E project page