Sec Form 4 Filing - Volpi Michelangelo @ Sonos Inc - 2018-08-06

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 Volpi Michelangelo 2. Issuer Name and Ticker or Trading Symbol Sonos Inc [ SONO] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O SONOS, INC., 614 CHAPALA STREET 3. Date of Earliest Transaction (MM/DD/YY) 08/06/2018 (Street) SANTA BARBARA, CA93101 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 Common Stock 08/06/2018 C 11,369,964 ( 1 ) A 12,084,250 ( 3 ) I See footnote ( 4 )

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 Series C Preferred Stock ( 2 ) 08/06/2018 C 11,369,964 ( 1 ) ( 2 ) ( 2 ) Common Stock 11,369,964 $ 0 0 I See footnote ( 4 )

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Volpi Michelangelo C/O SONOS, INC. 614 CHAPALA STREET SANTA BARBARA, CA93101 X Signatures /s/ Eric Bowers, by power of attorney 08/06/2018 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Of the shares reported, (a) 10,931,734 shares are held directly by Index Ventures Growth I (Jersey), L.P. ("Index I"), (b) 381,380 shares are held directly by Index Ventures Growth I Parallel Entrepreneur Fund (Jersey), L.P. ("Index I Parallel"), and (c) 56,850 shares are held directly by Yucca (Jersey) SLP ("Yucca"). ( 2 )In connection with the consummation of the Issuer's initial public offering on August 6, 2018, each share of Preferred Stock automatically converted into one (1) share of the Issuer's Common Stock for no additional consideration, and had no expiration date. All shares of Common Stock issued upon conversion were aggregated. ( 3 )Of the shares reported, (a) 10,931,734 shares are held directly by Index I, (b) 1,092,096 shares are held directly by Index I Parallel, and (c) 60,420 shares are held directly by Yucca. ( 4 )The Reporting Person is a partner with the Index Ventures group. Advisors within the Index Ventures group provide advice to Index I, Index I Parallel, and Yucca (collectively, the "Index Funds"). The Reporting Person is involved in making recommendations to the Index Funds, but does not hold voting or dispositive power over the shares held by the Index Funds. The Reporting Person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for Section 16 or any other purpose.

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* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

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