UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934

Filed by the Registrant x Filed by a Party other than the Registrant  o

Check the appropriate box:

o Preliminary Proxy Statement

o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

o Definitive Proxy Statement

x Definitive Additional Materials

o Soliciting Material under §240.14a-12

COINBASE GLOBAL, INC.

(Name of Registrant as Specified in its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

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x No fee required.

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o Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11.

Please Vote! COINBASE GLOBAL, INC. C/O BROADRIDGE FINANCIAL SOLUTIONS POST OFFICE BOX 9112 FARMINGDALE, NY 11735-9544 COINBASE GLOBAL, INC. 2023 Annual Meeting of Stockholders Vote by June 15, 2023 11:59 p.m. ET You own shares of COINBASE GLOBAL, INC. and it’s time to vote! You have the right to vote on proposals being presented at the Annual Meeting of Stockholders. This is an important notice regarding the availability of proxy materials for the Annual Meeting of Stockholders to be held on June 16, 2023. Vote Virtually at the Annual Meeting of Stockholders* June 16, 2023 10:00 a.m. PT Virtually at: www.virtualshareholdermeeting.com/COIN2023 *Please check the meeting materials for any special requirements for meeting attendance. Smartphone users Point your camera here and vote without entering a control number V1.1 For complete information and to vote, visit www.ProxyVote.com Control # V12067-P87523 Get informed before you vote View the Notice, Proxy Statement, and Annual Report online OR you can receive a free paper or email copy of the materials by requesting prior to June 2, 2023. If you would like to request a copy of the materials for this and/or future stockholder meetings, you may (1) visit www.ProxyVote.com, (2) call 1-800-579-1639, or (3) send an email to sendmaterial@proxyvote.com. If sending an email, please include your control number (indicated below) in the subject line. Unless requested, you will not otherwise receive a paper or email copy.

THIS IS NOT A VOTABLE BALLOT This is an overview of the proposals being presented at the upcoming Annual Meeting of Stockholders. Please follow the instructions on the reverse side to vote these important matters. Vote at www.ProxyVote.com Voting Items Board Recommends V12068-P87523 Prefer to receive an email instead? While voting on www.ProxyVote.com, be sure to click “Delivery Settings”. 1. Election of Directors Nominees: For All 2. Ratification of the appointment of Deloitte & Touche LLP as our independent registered public accounting firm for the year ending December 31, 2023. NOTE: The proxy holders will vote in their discretion on such other business as may properly come before the meeting or any adjournment or postponement thereof. For 01) Frederick Ernest Ehrsam III 02) Kathryn Haun 03) Kelly A. Kramer 04) Tobias Lütke 05) Gokul Rajaram 06) Fred Wilson