Form 4 Filing: MARINER JONATHAN D Acquires (Grant) shares of $FIVN

STOCK AWARD / GRANT

⚡ MATERIALITY: 1/10

corporate issuer

Five9, Inc.

Ticker: $FIVN

Transaction Value

N/A (Non-Open-Market)

Price/Share: $0.00 (Non-Open-Market)

transaction date

2026-05-20

Shares: 8,972

Market Price Activity

HillSignal AI Analytical Report

SEC Form 4 documents direct changes in beneficial ownership of securities for public corporations. The reporting insider, MARINER JONATHAN D, holds the title of Director at Five9, Inc..

On 2026-05-20, the insider transacted 8,972 shares.This transaction is a non-open-market event (such as a stock grant or option exercise) with a reported price per share of $0.00.

Executive Summary Summary

MARINER JONATHAN D (Director) was granted $0 of $FIVN

Post-Transaction Position: 27,147 shares

SEC Accession No: 0001063663-26-000006 (CIK: 1063663)

Verified Multi-Source Index

Verify the accuracy of this insider transaction and corporate entity independently. HillSignal pulls data directly from official SEC databases; use the sources below to corroborate.

SEC EDGAR FilingView Source Form 4

Yahoo Finance$FIVN Quote & Profile

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Google News$FIVN News Coverage