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.
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Five9, Inc. Chief Revenue Officer Matthew E. Tuckness reported a mandated tax-related share sale. On this Form 4, he sold 5,164 shares of Five9 common stock at a weighted average price of $17.87 per share in an open-market transaction to cover tax withholding obligations from vesting restricted stock units. After this transaction, he directly held 290,137 Five9 shares. The filing notes this was not a discretionary trade by the executive.
Five9, Inc. reported an insider transaction by Chief Administrative and Legal Officer Tiffany N. Meriweather. On March 4, 2026, she executed an open-market sale of 5,942 shares of Five9 common stock at a weighted average price of $17.87 per share.
According to the filing, this was a company-mandated sale to cover tax withholding obligations arising from the vesting and settlement of restricted stock units, and was not a discretionary trade. After this tax-related sale, she directly held 311,115 shares of Five9 common stock.
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.