Sonos, Inc. filings document operating results, governance actions and public-company disclosure for an audio hardware and software platform company. Form 8-K reports furnish quarterly and annual financial results and record material events, including board appointments, officer appointments and Regulation FD disclosures tied to company announcements.
Proxy and charter-related filings describe director elections, executive compensation, shareholder voting matters and governance changes. Recent disclosures include amendments phasing in board declassification and eliminating certain supermajority voting requirements, along with capital-structure matters for Sonos as a Nasdaq-listed operating company.
Vanguard Capital Management reported beneficial ownership of 5,707,542 shares of Sonos Inc common stock, equal to 4.82% of the class as of September 30, 2026. It reported sole voting power over 790,883 shares and sole dispositive power over 5,707,542 shares, with no shared voting or dispositive power. The reported holdings include securities attributed to specified Vanguard affiliates and business divisions, as well as Vanguard funds and clients over which the listed entities exercise voting or dispositive power. Vanguard stated that no other person's interest in the reported securities exceeds 5%.
Sonos Inc director Karen Boone exercised 31,766 fully vested options on September 25, 2026, at an exercise price of $13.56 per share, acquiring 31,766 common shares. On the same date, she sold 31,766 shares at a weighted average price of $18.1239 per share and another 15,000 shares at a weighted average price of $18.1275 per share. The transactions were made under a Rule 10b5-1 trading plan adopted May 6, 2026. The reported option balance after exercise was zero.
Sonos Inc. director Karen Boone reported 46,766 common shares for sale, with an aggregate market value of $847,634.99 and an approximate sale date of September 25, 2026. Boone also sold 10,000 common shares on September 1, 2026, for $153,900.00.
Sonos Inc (SONO) director Karen Boone reported selling 10,000 shares of common stock on September 1, 2026 in an open-market transaction at $15.39 per share, for total proceeds of approximately $153,900. After this sale, she directly holds 84,271 shares. The transaction was effected under a Rule 10b5-1 trading plan adopted on May 6, 2026.
Sonos Inc (symbol SONO) is the issuer of common stock for which a notice has been filed to sell 10,000 shares under Rule 144. The shares are held at Fidelity Brokerage Services LLC and have an aggregate market value of $153,900.00, with trading reported on NASDAQ.
The shares to be sold come from restricted stock that vested as compensation to Karen Boone, a director, in two grants dated May 15, 2019 (7,932 shares) and August 15, 2019 (2,068 shares). Fidelity signed the notice as attorney-in-fact for Karen Boone.
Sonos Inc (SONO) reported that Chief Legal Officer Edward P. Lazarus had 42,983 shares of Common Stock issued on August 14, 2026 upon the vesting and settlement of previously granted restricted stock units (RSUs). The company withheld 21,314 shares at $16.59 per share to satisfy federal and state tax withholding obligations related to this RSU vesting, as an exempt transaction under Section 16b-3(e). The RSU awards vest over multi-year schedules with double-trigger acceleration provisions tied to continued employment.
Sonos Inc executive Saori Casey, Chief Financial Officer, reported equity compensation activity involving restricted stock units (RSUs) and common stock on August 14, 2026. RSUs covering 24,875 and 21,690 shares of common stock vested and were settled, consistent with the vesting schedules described for these awards. As a result, the filing shows an acquisition of 46,565 shares of common stock upon RSU vesting. Of these, 24,518 shares were disposed of at $16.59 per share, with all such shares withheld by Sonos to satisfy Casey’s federal and state tax withholding obligations arising from the RSU vesting. The RSUs are described as subject to double-trigger acceleration, with vesting tied to continued employment and specific time-based schedules.
Sonos Inc Chief Executive Officer Thomas Conrad reported vesting of 20,414 Restricted Stock Units on August 14, 2026, converting into an equal number of common shares for no cash consideration. To cover associated federal and state tax withholding, 10,748 common shares were withheld by the company at $16.59 per share. Following the RSU vesting and related withholding, Conrad directly holds 443,101 shares of Sonos common stock.
Coliseum Capital Management, related Coliseum funds, and principals Adam Gray and Christopher Shackelton filed a Schedule 13D on Sonos, Inc., reporting beneficial ownership of 18,070,762 shares of common stock, or 15.3% of the 118,293,979 shares outstanding as of July 20, 2026.
Coliseum Capital Partners, L.P. directly owns 12,923,136 shares (10.9%), Coliseum Capital Co-Invest IV, L.P. owns 2,120,482 shares (1.8%), and a separate account managed by Coliseum Capital Management holds 3,027,144 shares. Christopher Shackelton serves on Sonos’s board of directors. The investors state they acquired the stake for investment purposes and may purchase or dispose of shares and evaluate potential extraordinary transactions, as well as discuss operations, strategy, governance, and capital structure with Sonos management and other stakeholders.
Sonos Inc director Julius Genachowski exercised expiring stock options covering a total of 39,710 shares of common stock at an exercise price of $13.56 per share on July 28–29, 2026. He then sold the 39,710 shares in two equal blocks at $16.50 and $17.00 per share under a pre-planned Rule 10b5-1 trading plan adopted on November 20, 2025. As of July 28, 2026, associated trusts held 1,550 and 92,484 Sonos common shares indirectly.