X0306 4 2019-03-13 false 0001467623 DROPBOX, INC. DBX 0001734563 Houston Andrew 333 BRANNAN STREET SAN FRANCISCO CA 94107 true true true false Chief Executive Officer Class A Common Stock 2019-03-13 4 C false 45000.00 0.00 A 45000.00 I See footnote Class A Common Stock 2019-03-13 5 G false E 45000.00 0.00 D 0.00 I See footnote Class B Common Stock 2019-03-13 4 C false 45000.00 0.00 D Class A Common Stock 45000.00 73103073.00 I See footnote 45,000 shares of Class B Common Stock were converted into 45,000 shares of Class A Common Stock at the election of the Reporting Person and had no expiration date. Shares held by the Andrew Houston Revocable Trust u/a/d 9/7/2011, for which the Reporting Person serves as trustee. 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. /s/ Mary Anne Becking, Attorney-In-Fact 2019-03-15