Sec Form 4 Filing - Schreier R. Bryan @ DROPBOX, INC. - 2018-11-29

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Schreier R. Bryan 2. Issuer Name and Ticker or Trading Symbol DROPBOX, INC. [ DBX] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 333 BRANNAN STREET 3. Date of Earliest Transaction (MM/DD/YY) 11/29/2018 (Street) SAN FRANCISCO, CA94107 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Class A Common Stock 11/29/2018 C 3,808,957 A $ 0 3,808,957 I By Sequoia Capital XII, LP ( 1 ) Class A Common Stock 11/29/2018 C 142,525 A $ 0 142,525 I By Sequoia Technology Partners XII, LP ( 1 ) Class A Common Stock 11/29/2018 C 407,091 A $ 0 407,091 I By Sequoia Capital XII Principals Fund, LLC ( 1 ) Class A Common Stock 11/29/2018 J( 2 ) 3,808,957 D $ 0 0 I By Sequoia Capital XII, LP ( 1 ) Class A Common Stock 11/29/2018 J( 2 ) 142,525 D $ 0 0 I By Sequoia Technology Partners XII, LP ( 1 ) Class A Common Stock 11/29/2018 J( 2 ) 407,091 D $ 0 0 I By Sequoia Capital XII Principals Fund, LLC ( 1 ) Class A Common Stock 11/29/2018 J( 3 ) 45,355 A $ 0 134,373 I By family trust Class A Common Stock 17,628 I By Sequoia Capital U.S. Venture 2010-Seed Fund, L.P. ( 4 ) Class A Common Stock 14,286 D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Class B Common Stock ( 5 ) 11/29/2018 C 3,808,957 ( 5 ) ( 5 ) Class A Common Stock 3,808,957 $ 0 64,752,273 I By Sequoia Capital XII, LP ( 1 ) Class B Common Stock ( 5 ) 11/29/2018 C 142,525 ( 5 ) ( 5 ) Class A Common Stock 142,525 $ 0 2,422,919 I By Sequoia Technology Partners XII, LP ( 1 ) Class B Common Stock ( 5 ) 11/29/2018 C 407,091 ( 5 ) ( 5 ) Class A Common Stock 407,091 $ 0 6,920,539 I By Sequoia Capital XII Principals Fund, LLC ( 1 )

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Schreier R. Bryan 333 BRANNAN STREET SAN FRANCISCO, CA94107 X X Signatures /s/ Jung Yeon Son, Attorney-In-Fact 12/03/2018 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The Reporting Person is a non-managing member of SC XII Management, LLC ("SC XII Management"). SC XII Management is the general partner of Sequoia Capital XII, L.P. and Sequoia Technology Partners XII, L.P. and is the managing member of Sequoia Capital XII Principals Fund, LLC. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or any other purpose. ( 2 )Represents a distribution of Class A Common Stock of the Issuer to partners or members and includes subsequent distributions by general partners or managing members to their respective partners or members. ( 3 )Represents the receipt of shares of Common Stock of the Issuer by virtue of the pro rata in-kind distributions described in footnote (2) above. ( 4 )SC US (TTGP), Ltd. is the general partner of SC U.S. Venture 2010 Management, L.P., which is the general partner of Sequoia Capital U.S. Venture 2010-Seed Fund, L.P., or collectively, the Venture 2010 Funds. The Reporting Person is a Director of SC US (TTGP), Ltd. The Reporting Person disclaims beneficial ownership of the securities held by the Venture 2010 Funds except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. ( 5 )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.

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