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Substack Inc.

Updated Oct 27, 2026·Latest SEC filing May 31, 2023·Suggest an edit

About Substack

Substack is a private company based in San Francisco, California. It has reported $87,375,020 raised in three offerings on Form D since July 2019. Its chief executive is Christopher Best.

Funding Rounds (SEC Form D)

First saleFiled with SECAmount soldInvestorsAvg. checkTermsFiling
May 17, 2023May 31, 2023$3,288,358of $4.9M target1$3.2MEquityRule 506(c)Form D ↗
Apr 28, 2021Jun 30, 2021$64,999,928fully sold33$1.9MEquityRule 506(b)Form D ↗
Jul 8, 2019Jul 23, 2019$19,086,734fully sold32$596KEquityRule 506(b)Form D ↗
Total, three offerings$87,375,020

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 Substack's Form D filed May 31, 2023.

HM
CB
Christopher Best
Chief Executive Officer and director
AC
Andrew Chen
Director

Sources

  1. SECSubstack Inc. filing history