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MatX Inc.

Develops specialized chips for AI labs building large language models.

Updated Nov 11, 2026·Latest SEC filing Mar 10, 2026·Suggest an edit

About MatX

MatX is a private company based in Mountain View, California, incorporated in 2023 in Delaware. It has reported $647,780,125 raised in three offerings on Form D since December 2023. Its chief executive is Reiner Pope.

Funding Rounds (SEC Form D)

First saleFiled with SECAmount soldInvestorsAvg. checkTermsFiling
Feb 18, 2026Mar 10, 2026$527,876,453of $557.8M target23$22.9MEquityRule 506(b)Form D ↗
Nov 22, 2024Dec 6, 2024$94,994,997of $95.0M target12$7.9MEquityRule 506(b)Form D ↗
Dec 4, 2023Dec 19, 2023$24,908,675of $24.9M target12$2.0MEquityRule 506(b)Form D ↗
Total, three offerings$647,780,125

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 MatX's Form D filed Mar 10, 2026.

Reiner Pope
Reiner Pope
CEO, MatX and director
MG
Michial Gunter
Executive officer and director
YR
Yasmin Razavi
Director
Also a director at Deel and an executive officer at Spark Capital.

Sources

  1. SECMatX Inc. filing history
  2. InvestorHarpoon Ventures: MatX