Coliseum Capital Management, LLC - 13 Mar 2026 Form 4 Insider Report for Sonos Inc (SONO)

Reporting relationship: 10%+ Owner
Issuer ticker: SONO
Reported as of: 13 Mar 2026
Net transaction value: +$3,068,690
SEC form: 4
Accepted by SEC: 17 Mar 2026, 21:46:05 UTC
Prior SEC filing: 11 Mar 2026
Next SEC filing: 10 Jun 2026
Source filing: View source filing
Reporting owner signature: Coliseum Capital Management, LLC, By: /s/ Adam Cina, Attorney-in-fact, Adam Cina, Attorney-in-fact

Key filing fact

Coliseum Capital Management, LLC filed Form 4 for Sonos Inc (SONO) on 17 Mar 2026.

Key facts

This page summarizes Coliseum Capital Management, LLC's Form 4 filing for Sonos Inc (SONO).
3 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 17 Mar 2026, 21:46.

Change

Previous filing in this sequence was filed on 11 Mar 2026.
Current net transaction value: +$3,068,690.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (6)

CIK 0001409751 Primary reporting owner

Coliseum Capital Management, LLC

Relationship: 10%+ Owner
Address: 105 ROWAYTON AVE., ROWAYTON
Signature: Coliseum Capital Management, LLC, By: /s/ Adam Cina, Attorney-in-fact, Adam Cina, Attorney-in-fact
Signature date: 17 Mar 2026

CIK 0001430708

Shackelton Christopher S

Relationship: 10%+ Owner
Address: 105 ROWAYTON AVE., ROWAYTON
Signature: Christopher Shackelton, By: /s/ Adam Cina, Attorney-in-fact, Adam Cina, Attorney-in-fact
Signature date: 17 Mar 2026

CIK 0001409585

Coliseum Capital, LLC

Relationship: 10%+ Owner
Address: 105 ROWAYTON AVE., ROWAYTON
Signature: Coliseum Capital, LLC, By: /s/ Adam Cina, Attorney-in-fact, Adam Cina, Attorney-in-fact
Signature date: 17 Mar 2026

CIK 0001356974

COLISEUM CAPITAL PARTNERS, L.P.

Relationship: 10%+ Owner
Address: 105 ROWAYTON AVE., ROWAYTON
Signature: Coliseum Capital Partners, L.P., By: Coliseum Capital, LLC, its General Partner, By: /s/ Adam Cina, Attorney-in-fact, Adam Cina, Attorney-in-fact
Signature date: 17 Mar 2026

CIK 0001454123

Gray Adam

Relationship: 10%+ Owner
Address: 105 ROWAYTON AVE., ROWAYTON
Signature: Adam Gray, By: /s/ Adam Cina, Attorney-in-fact, Adam Cina, Attorney-in-fact
Signature date: 17 Mar 2026

CIK 0002015842

Coliseum Capital Co-Invest IV, L.P.

Relationship: 10%+ Owner
Address: 105 ROWAYTON AVE., ROWAYTON
Signature: Coliseum Capital Co-Invest IV, L.P., By: Coliseum Capital, LLC, its General Partner, By: /s/ Adam Cina, Attorney-in-fact, Adam Cina, Attorney-in-fact
Signature date: 17 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

SONO transaction

Common Stock, $0.001 par value per share ("Common Stock")

Purchase

Transaction value: $1,188,000
Shares: +90,000
Change %: +0.5%
Price: $13.20
Shares after: 17,931,842
Date: 13 Mar 2026
Ownership: See Footnotes
Footnotes: F1, F2, F3

SONO transaction

Common Stock

Purchase

Transaction value: $184,440
Shares: +13,920
Change %: +0.08%
Price: $13.25
Shares after: 17,945,762
Date: 16 Mar 2026
Ownership: See Footnotes
Footnotes: F2, F3

SONO transaction

Common Stock

Purchase

Transaction value: $1,696,250
Shares: +125,000
Change %: +0.7%
Price: $13.57
Shares after: 18,070,762
Date: 17 Mar 2026
Ownership: See Footnotes
Footnotes: F2, F3, F4, F5

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 5 footnotes

Footnote F1

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $13.15 to $13.25, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission (the "SEC"), upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

Footnote F2

The shares of Common Stock reported herein are held directly by (a) Coliseum Capital Partners, L.P. ("CCP") and Coliseum Co-Invest IV, L.P. ("CCC IV"), each of which are an investment limited partnership of which Coliseum Capital, LLC, a Delaware limited liability company ("CC"), is general partner and for which Coliseum Capital Management, LLC, a Delaware limited liability company ("CCM"), serves as investment adviser; and (b) a separate account investment advisory client of CCM (the "Separate Account").

Footnote F3

Christopher S. Shackelton ("Shackelton") and Adam Gray ("Gray") are managers of and have an ownership interest in each of CCM and CC. Each of Shackelton, Gray, CCP, the Separate Account, CC and CCM disclaims beneficial ownership of these securities except to the extent of that person's pecuniary interest therein.

Footnote F4

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $13.44 to $13.69, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the SEC, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

Footnote F5

Following the transactions reported herein, CCP directly owned 12,923,136 shares of Common Stock, CCC IV directly owned 2,120,482 shares of Common Stock and the Separate Account directly owned 3,027,144 shares of Common Stock.