Welcome to our dedicated page for Five9 SEC filings (Ticker: FIVN), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Five9, Inc. filings document the public-company disclosures of a Delaware software issuer whose common stock trades on Nasdaq under FIVN. Its 8-K reports cover quarterly operating results, financial-condition exhibits, share repurchase authorizations, accelerated share repurchase agreements and other material corporate events.
Five9’s proxy and governance filings address board elections, executive compensation, stockholder meeting matters and cooperation agreements with stockholder parties. Executive-transition filings and related employment arrangements record changes in senior leadership and board service, while capital-action disclosures describe the company’s common-stock repurchase activity within its broader capital structure.
Five9, Inc.’s Chief Financial Officer Bryan M. Lee reported automatic share sales tied to equity compensation taxes. On March 4 and 5, 2026, he sold a total of 11,611 shares of Five9 common stock in open-market transactions at weighted average prices around $17.70–$17.92 per share.
The sales were effected under a pre-established Rule 10b5-1 trading plan adopted on September 3, 2025 and were made to cover taxes upon the vesting of restricted stock units. After these transactions, Lee directly owned 328,082 Five9 shares.
Morgan Stanley Smith Barney LLC submitted a Form 144 notice to sell common shares for FIVN. The filing lists 3,369 common shares associated with Restricted Stock Units dated 03/04/2024. It also records prior sales of 4,924 common shares on 03/04/2026 linked to a 10b5-1 plan for Andrew Dignan.
Bryan Lee reported insider sales of common stock under a 10b5-1 plan. The filing shows 9,855 shares sold on 03/04/2026 for an aggregate of $174,389.15. The filing also lists 1,756 Restricted Stock Units to be sold with an action date of 03/03/2026. Shares outstanding were 76,495,680 as of 03/05/2026.
Morgan Stanley Smith Barney LLC submitted a Form 144 notice to sell 4,924 restricted common stock units on behalf of an issuer-related holder, dated 03/03/2026. The filing also notes a prior 10b5-1 sale of 700 shares on 12/05/2025.
FIVN insider reported a proposed sale of 6,468 RSUs. The Form 144 filing lists the security as Common (RSU) with a filing date of 03/04/2026 and an RSU grant/vesting date of 03/03/202612/04/2025 for 139,438.20 is also shown.
FIVN-related insider sale notice: A Form 144 records a proposed sale of 1,398 common shares tied to RSUs, with the notice dated 03/04/2026 and the securities listed on Nasdaq. The filing also shows a prior sale of 2,951 common shares on 12/04/2025 for $60,233.57.
Five9, Inc. notice of proposed sale of common stock by an insider.
The filing lists 5,324 RSUs to be sold with an effective date of 03/03/2026 and records a prior sale of 5,255 common shares on 12/04/2025 with an aggregate figure of 106,939.25.
Pictet Asset Management filed Amendment No. 6 to Schedule 13D on Five9, Inc., reporting beneficial ownership of 2,872,185 common shares, equal to 3.75% of the company. These shares are managed on a discretionary basis for institutional clients, with an aggregate purchase cost of approximately USD 185,488,998.
Pictet has sole voting power over 2,865,052 shares and sole dispositive power over 2,872,185 shares. It describes the holding as part of a broader investment strategy focused on long-term strategy, governance quality, financial strength, valuation, and financially material sustainability factors, and is actively engaging with Five9’s leadership on these topics.
Pictet states it has no current plans to seek control of Five9 or acquire shares for that purpose but may seek to influence policies and practices through discussions with the board and management and reserves the right to change its intentions. Recent activity includes multiple NASDAQ trades in the last sixty days, notably several sizable sales on February 25–26, 2026.