X0306 4 2018-04-27 false 0001467623 DROPBOX, INC. DBX 0001528387 Rice Condoleezza 333 BRANNAN STREET SAN FRANCISCO CA 94107 true false false false Class A Common Stock 2018-04-27 4 C false 24433.00 0.00 A 38719.00 D Class B Common Stock 2018-04-27 4 C false 24433.00 0.00 D Class A Common Stock 24433.00 53333.00 D 24,433 shares of Class B Common Stock were converted into 24,433 shares of Class A Common Stock at the election of the Reporting Person. The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date. Certain of these securities are restricted stock units. Each restricted stock unit represents the Reporting Person's right to receive one share of Class A Common Stock, subject to the applicable vesting schedule through the earlier of May 15, 2019 or the date of the Issuer's next annual meeting of stockholders. In the event the Reporting Person ceases to be a Service Provider, the unvested restricted stock units will be cancelled by the Issuer. These securities are restricted stock units. Each restricted stock unit represents the Reporting Person's right to receive one share of Class B Common Stock, subject to the applicable vesting schedule through May 15, 2018. In the event the Reporting Person ceases to be a Service Provider, the unvested restricted stock units will be cancelled by the Issuer. /s/ Bart E. Volkmer, Attorney-In-Fact 2018-05-01