Form 8-K

8-K — Sonos Inc

Accession: 0001314727-26-000084

Filed: 2026-07-29

Period: 2026-07-28

CIK: 0001314727

SIC: 3651 (HOUSEHOLD AUDIO & VIDEO EQUIPMENT)

Item: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Item: Regulation FD Disclosure

Item: Financial Statements and Exhibits

Documents

8-K — sono-20260728.htm (Primary)

EX-99.1 (finalchrisshackeltonbodapp.htm)

GRAPHIC (image_0.jpg)

XML — IDEA: XBRL DOCUMENT (R1.htm)

8-K

8-K (Primary)

Filename: sono-20260728.htm · Sequence: 1

sono-20260728

0001314727FALSE00013147272026-07-282026-07-28

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of

The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported)

July 28, 2026

SONOS, INC.

(Exact name of registrant as specified in its charter)

Delaware 001-38603 03-0479476

(State or other jurisdiction of

incorporation)

(Commission File Number)

(IRS Employer

Identification No.)

301 Coromar Drive

Santa Barbara, California 93117

(Address of principal executive offices, including zip code)

(805) 965-3001

(Registrant’s telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading Symbol(s) Name of each exchange on which registered

Common Stock, $0.001 par value SONO The Nasdaq Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

Director Appointment

On July 28, 2026, the board of directors (the “Board”) of Sonos, Inc. (“Sonos” or the “Company”) increased the size of the Board from ten to eleven members and appointed Chris Shackelton to the Board, effective immediately. Mr. Shackelton was appointed as a Class II director for a term expiring at the 2029 Annual Meeting of Stockholders or until his successor is duly elected or qualified. Mr. Shackelton has not been appointed to any committees of the Board at this time.

Mr. Shackelton is a Co-Founder and Managing Partner of Coliseum Capital Management, LLC, a multi-strategy investment firm. He has served on the board of Universal Technical Institute since June 2016. Previously, he served on the boards of Rural/Metro Corporation from March 2008 to June 2011, Interstate Hotels & Resorts, Inc. from February 2009 through March 2010, LHC Group, Inc. from November 2012 to August 2017, ModivCare Inc. from November 2012 to December 2024, Advanced Emissions Solutions, Inc. from July 2014 to June 2016, Medalogix LLC from August 2014 to May 2021, BioScrip, Inc. from March 2015 to August 2019, Lazydays Holdings, Inc. from March 2018 to June 2024 and Gildan Activewear Inc. from December 2023 to May 2024. Prior to these positions, he worked at Watershed Asset Management and Morgan Stanley & Co. Mr. Shackelton received a bachelor’s degree in economics from Yale University.

There is no arrangement or understanding between Mr. Shackelton and any other person pursuant to which he was appointed as a director. There are no transactions in which Mr. Shackelton has an interest requiring disclosure under Item 404(a) of Regulation S-K. The Board determined that Mr. Shackelton is independent within the meaning of Nasdaq Listing Standards.

Mr. Shackelton will be eligible to receive the standard compensation available to the Company’s non-employee directors, which is discussed in the Company’s Proxy Statement filed with the Securities and Exchange Commission on January 22, 2026. The Company will also enter into its standard form of indemnification agreement with Mr. Shackelton.

Chief Financial Officer Retirement

On July 29, 2026, the Company announced that Saori Casey, Sonos’ Chief Financial Officer (“CFO”), has informed the Company of her intent to retire. Ms. Casey will remain CFO until her successor is appointed and will remain with the Company through a subsequent transition period. The Company has engaged an executive search firm to assist with the identification and evaluation of potential successors. Ms. Casey’s decision to retire is not the result of any dispute or disagreement with the Company.

Item 7.01 Regulation FD Disclosure.

On July 29, 2026, Sonos issued a press release announcing the appointment of Mr. Shackelton. A copy of the press release is furnished hereto as Exhibit 99.1 and is incorporated herein by reference.

The information furnished under this Item 7.01, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the “Exchange Act”) or incorporated by reference in any filing under the Securities Act of 1933 or the Exchange Act, regardless of any general incorporation language in such filing.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

Exhibit No.

99.1

Press release dated July 29, 2026.

104 Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

SONOS, INC.

Date: July 29, 2026 By: /s/ Eddie Lazarus

Eddie Lazarus

Chief Legal Officer

EX-99.1

Filename: finalchrisshackeltonbodapp.htm · Sequence: 2

Document

Exhibit 99.1

Sonos Appoints Chris Shackelton to Board of Directors

Santa Barbara, CA – Jul 29, 2026 - Sonos, Inc. (Nasdaq: SONO) today announced the appointment of Chris Shackelton to its Board of Directors, effective July 28, 2026. The appointment is the latest step in the evolution of the Sonos Board, which has recently added directors with targeted expertise in areas central to the company. As Sonos enters its next chapter, Mr. Shackelton adds the perspective of a long-term investor, with experience across strategy, financial markets, and capital allocation.

“Chris brings a deep and valuable perspective on our business, and extensive experience as a public market investor and public company director,” said Julius Genachowski, Chair of the Sonos Board of Directors. “He’s built a strong relationship with us over the past four years, and we’re pleased to strengthen our board with a director of his caliber and a shared focus on creating value for shareholders.”

"Over the past year and a half, we've been building a board suited to where we're taking Sonos, adding leaders with deep expertise across AI, product, hardware, public-company leadership, and finance," said Tom Conrad, Chief Executive Officer of Sonos. "Adding Chris is a natural step. I've gotten to know him well over my time as CEO, and he brings the thoughtful viewpoint of an investor who sees the opportunity in this business the way we do. I look forward to his partnership as we execute on our strategy."

Chris Shackelton is a Co-Founder and Managing Partner of Coliseum Capital Management. He currently serves on the Board of Directors of Universal Technical Institute. Previously, he served as a director of Rural/Metro Corp., Interstate Hotels & Resorts, Inc., Advanced Emissions Solutions, Inc., LHC Group, ModivCare Inc., BioScrip, Inc., Medalogix LLC, Lazydays Holdings Inc., and Gildan Activewear Inc.

"It's an honor to join the Sonos Board," said Mr. Shackelton. "We've been shareholders for many years, and I believe the opportunity ahead is bigger than it’s ever been. I fully support the company’s strategy and the team. With a healthy balance sheet and strong cash flow potential, there are multiple strategic and capital allocation pathways to drive compelling returns for shareholders. I look forward to partnering with Tom, Julius, and the Board to build durable, long-term value."

About Sonos

Sonos (Nasdaq: SONO) is a leading audio company dedicated to elevating life through sound. Sonos has built a connected system that brings together all the sounds people love, from music and movies to stories and conversations. Its portfolio of home theater speakers, components, plug-in and portable speakers, and headphones grows more powerful with every room and device added. Trusted by more than 17 million households in over 60 countries, Sonos is headquartered in Santa Barbara, California. Learn more at www.sonos.com.

Investor Contact

James Baglanis

IR@sonos.com

Press Contact

PR@sonos.com

Source: Sonos

GRAPHIC

Filename: image_0.jpg · Sequence: 6

Binary file (19191 bytes)

Download image_0.jpg

XML — IDEA: XBRL DOCUMENT

XML

Filename: R1.htm · Sequence: 8

v3.26.1

Cover

Jul. 28, 2026

Cover [Abstract]

Document Type

8-K

Document Period End Date

Jul. 28, 2026

Entity Registrant Name

SONOS, INC.

Entity Incorporation, State or Country Code

Entity File Number

001-38603

Entity Tax Identification Number

03-0479476

Entity Address, Address Line One

301 Coromar Drive

Entity Address, City or Town

Santa Barbara

Entity Address, State or Province

Entity Address, Postal Zip Code

93117

City Area Code

805

Local Phone Number

965-3001

Written Communications

false

Soliciting Material

false

Pre-commencement Tender Offer

false

Pre-commencement Issuer Tender Offer

false

Title of 12(b) Security

Common Stock, $0.001 par value

Trading Symbol

SONO

Security Exchange Name

NASDAQ

Entity Emerging Growth Company

false

Entity Central Index Key

0001314727

Amendment Flag

false

- Definition

Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.

+ References

No definition available.

+ Details

Name:

dei_AmendmentFlag

Namespace Prefix:

dei_

Data Type:

xbrli:booleanItemType

Balance Type:

Period Type:

duration

- Definition

Area code of city

+ References

No definition available.

+ Details

Name:

dei_CityAreaCode

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

Period Type:

duration

- Definition

Cover page.

+ References

No definition available.

+ Details

Name:

dei_CoverAbstract

Namespace Prefix:

dei_

Data Type:

xbrli:stringItemType

Balance Type:

Period Type:

duration

- Definition

For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD.

+ References

No definition available.

+ Details

Name:

dei_DocumentPeriodEndDate

Namespace Prefix:

dei_

Data Type:

xbrli:dateItemType

Balance Type:

Period Type:

duration

- Definition

The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.

+ References

No definition available.

+ Details

Name:

dei_DocumentType

Namespace Prefix:

dei_

Data Type:

dei:submissionTypeItemType

Balance Type:

Period Type:

duration

- Definition

Address Line 1 such as Attn, Building Name, Street Name

+ References

No definition available.

+ Details

Name:

dei_EntityAddressAddressLine1

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

Period Type:

duration

- Definition

Name of the City or Town

+ References

No definition available.

+ Details

Name:

dei_EntityAddressCityOrTown

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

Period Type:

duration

- Definition

Code for the postal or zip code

+ References

No definition available.

+ Details

Name:

dei_EntityAddressPostalZipCode

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

Period Type:

duration

- Definition

Name of the state or province.

+ References

No definition available.

+ Details

Name:

dei_EntityAddressStateOrProvince

Namespace Prefix:

dei_

Data Type:

dei:stateOrProvinceItemType

Balance Type:

Period Type:

duration

- Definition

A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection b-2

+ Details

Name:

dei_EntityCentralIndexKey

Namespace Prefix:

dei_

Data Type:

dei:centralIndexKeyItemType

Balance Type:

Period Type:

duration

- Definition

Indicate if registrant meets the emerging growth company criteria.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection b-2

+ Details

Name:

dei_EntityEmergingGrowthCompany

Namespace Prefix:

dei_

Data Type:

xbrli:booleanItemType

Balance Type:

Period Type:

duration

- Definition

Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.

+ References

No definition available.

+ Details

Name:

dei_EntityFileNumber

Namespace Prefix:

dei_

Data Type:

dei:fileNumberItemType

Balance Type:

Period Type:

duration

- Definition

Two-character EDGAR code representing the state or country of incorporation.

+ References

No definition available.

+ Details

Name:

dei_EntityIncorporationStateCountryCode

Namespace Prefix:

dei_

Data Type:

dei:edgarStateCountryItemType

Balance Type:

Period Type:

duration

- Definition

The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection b-2

+ Details

Name:

dei_EntityRegistrantName

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

Period Type:

duration

- Definition

The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection b-2

+ Details

Name:

dei_EntityTaxIdentificationNumber

Namespace Prefix:

dei_

Data Type:

dei:employerIdItemType

Balance Type:

Period Type:

duration

- Definition

Local phone number for entity.

+ References

No definition available.

+ Details

Name:

dei_LocalPhoneNumber

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

Period Type:

duration

- Definition

Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 13e

-Subsection 4c

+ Details

Name:

dei_PreCommencementIssuerTenderOffer

Namespace Prefix:

dei_

Data Type:

xbrli:booleanItemType

Balance Type:

Period Type:

duration

- Definition

Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 14d

-Subsection 2b

+ Details

Name:

dei_PreCommencementTenderOffer

Namespace Prefix:

dei_

Data Type:

xbrli:booleanItemType

Balance Type:

Period Type:

duration

- Definition

Title of a 12(b) registered security.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection b

+ Details

Name:

dei_Security12bTitle

Namespace Prefix:

dei_

Data Type:

dei:securityTitleItemType

Balance Type:

Period Type:

duration

- Definition

Name of the Exchange on which a security is registered.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection d1-1

+ Details

Name:

dei_SecurityExchangeName

Namespace Prefix:

dei_

Data Type:

dei:edgarExchangeCodeItemType

Balance Type:

Period Type:

duration

- Definition

Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as soliciting material pursuant to Rule 14a-12 under the Exchange Act.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 14a

-Subsection 12

+ Details

Name:

dei_SolicitingMaterial

Namespace Prefix:

dei_

Data Type:

xbrli:booleanItemType

Balance Type:

Period Type:

duration

- Definition

Trading symbol of an instrument as listed on an exchange.

+ References

No definition available.

+ Details

Name:

dei_TradingSymbol

Namespace Prefix:

dei_

Data Type:

dei:tradingSymbolItemType

Balance Type:

Period Type:

duration

- Definition

Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Securities Act

-Number 230

-Section 425

+ Details

Name:

dei_WrittenCommunications

Namespace Prefix:

dei_

Data Type:

xbrli:booleanItemType

Balance Type:

Period Type:

duration