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CarbonDrop, Inc.

Develops an approach to removing carbon dioxide.

Updated Nov 10, 2026·Latest SEC filing May 6, 2026·Suggest an edit

About CarbonDrop

CarbonDrop is a private company based in Palo Alto, California, incorporated in 2021 in Delaware. It has reported $33,124,984 raised in two offerings on Form D since April 2023. Its chief executive is Bruce Dunlevie.

Funding Rounds (SEC Form D)

First saleFiled with SECAmount soldInvestorsAvg. checkTermsFiling
Mar 19, 2026Apr 1, 2026amended May 6, 2026$19,624,984fully sold18$1.0MEquityRule 506(b)Form D/A ↗1 earlier filing
Apr 6, 2023Apr 19, 2023$13,500,000of $14.0M target11$1.2MEquityRule 506(b)Form D ↗
Total, two offerings$33,124,984

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 CarbonDrop's Form D filed May 6, 2026.

PF
Peter Fenton
Director
PF
CS
Craig Shapiro
Director
Also a director at Just Ice Tea, Kula Bio and Quaise Energy and an executive officer and director at Collaborative Growth and Collab.
Bruce Dunlevie
Bruce Dunlevie
Chief Executive Officer and director
Also a founder and director at Twin Health and an executive officer at Benchmark Partners.

Earlier filings also listed Robert Hayes (executive officer, last listed Apr 2023).

Sources

  1. SECCarbonDrop, Inc. Form D, filed Apr 1, 2026
  2. SECCarbonDrop, Inc. filing history