X0306 4/A 2021-04-01 2021-04-05 0 0001679788 Coinbase Global, Inc. COIN 0001851492 Armstrong Brian C/O COINBASE GLOBAL, INC. NOT APPLICABLE DE 1 1 1 0 Chairman and CEO 0001856705 Brian Armstrong Living Trust C/O COINBASE GLOBAL, INC. NOT APPLICABLE DE 0 0 1 0 Class A Common Stock 2021-04-01 4 C 0 1050000 0.00 A 1050000 I By The Brian Armstrong Living Trust Class B Common Stock 2021-04-01 4 C 0 5738772 A Class A Common Stock 5738772 25959129 I By The Brian Armstrong Living Trust Class B Common Stock 2021-04-01 4 C 0 1050000 D Class A Common Stock 1050000 24909129 I By The Brian Armstrong Living Trust Series FF Preferred Stock 2021-04-01 4 C 0 5738772 D Class B Common Stock 5738772 0 I By The Brian Armstrong Living Trust Class B Common Stock Class A Common Stock 2215422 2215422 I By The Brian Armstrong 2018 Grantor Retained Annuity Trust Class B Common Stock Class A Common Stock 7726792 7726792 I By The Brian Armstrong 2020 Grantor Retained Annuity Trust Class B Common Stock Class A Common Stock 950490 950490 I The Ehrsam 2014 Irrevocable Trust Represents the conversion of Class B Common Stock held of record by The Brian Armstrong Living Trust into Class A Common Stock. Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date. The Series FF Preferred Stock is convertible into Class B Common Stock on a 1:1 basis and has no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series FF Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer. These shares are held by The Ehrsam 2014 Irrevocable Trust, of which the Reporting Person is trustee. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein, if any. This amendment to Form 4 filed on April 5, 2021 is filed to include The Brian Armstrong Living Trust as a joint filer. /s/ Brian Armstrong, by Doug Sharp, Attorney-in-Fact 2021-04-16 /s/ The Brian Armstrong Living Trust, by Doug Sharp, Attorney-in-Fact 2021-04-16