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Notarize, Inc.

Online notarization for individuals and identity verification software for businesses.

Updated Nov 9, 2026·Latest SEC filing Aug 17, 2026·Suggest an edit

About Proof

Proof is a private company based in Boston, Massachusetts. It has reported $286,727,637 raised in seven offerings on Form D since May 2015. Its chief executive is Patrick Kinsel.

Funding Rounds (SEC Form D)

First saleFiled with SECAmount soldInvestorsAvg. checkTermsFiling
Oct 27, 2025Nov 12, 2025amended Aug 17, 2026$56,396,508of $130.4M target18$3.1MEquityRule 506(b)Form D/A ↗1 earlier filing
Sep 27, 2023Oct 12, 2023amended Feb 16, 2024$30,900,000fully sold12$2.5MDebt, Securities on exerciseRule 506(b)Form D/A ↗3 earlier filings
Mar 19, 2021Apr 1, 2021$127,332,111of $130.7M target15$8.4MEquityRule 506(b)Form D ↗
Mar 31, 2020Apr 15, 2020$25,661,050of $38.8M target12$2.1MEquityRule 506(b)Form D ↗
Apr 6, 2018Apr 20, 2018amended Sep 3, 2019$36,937,968of $47.3M target23$1.6MEquityRule 506(b)Form D/A ↗1 earlier filing
May 27, 2016Jun 10, 2016amended Jul 5, 2016$8,500,000fully sold10$850KEquityRule 506(b)Form D/A ↗1 earlier filing
May 6, 2015May 21, 2015$1,000,000of $2.5M target2$500KDebtRule 506(b)Form D ↗
Total, seven offerings$286,727,637

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 Proof's Form D filed Aug 17, 2026.

RF
JK
John Klinck
Director
DB
David Barrett
Director
Also a director at Cohere Health.
TD
Tom Davis
Director
PK
Patrick Kinsel
Chief Executive Officer and director

Earlier filings also listed Neil Underwood (director, last listed Feb 2024), Lawrence D'Angelo (executive officer and director, last listed Apr 2021), Elizabeth Graham (executive officer and director, last listed Apr 2020) and Adam Pase (executive officer and director, last listed Sep 2019).

Sources

  1. SECNotarize, Inc. Form D, filed Nov 12, 2025
  2. SECNotarize, Inc. Form D/A, filed Nov 17, 2023
  3. SECNotarize, Inc. Form D/A, filed Oct 16, 2023
  4. SECNotarize, Inc. Form D, filed Oct 12, 2023
  5. SECNotarize, Inc. Form D, filed Apr 20, 2018
  6. SECNotarize, Inc. Form D, filed Jun 10, 2016
  7. SECNotarize, Inc. filing history