Tuckness Matthew E., Chief Revenue Officer at Five9, Inc. ($FIVN), sold shares on the open market three times in the last year for a total of $251 thousand. His most recent sale occurred on March 4, 2026. Among 11,678 insiders with open market sales, his activity ranks 7,952nd, well below the average of 8.6 million per person and 6.4 transactions. He made no open market purchases in the period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 4, 2026 | Five9, Inc. | $FIVN | Tuckness Matthew E. | Chief Revenue Officer | S | Common Stock | 5164 | $17.87 | 290,137.0000 | 88,002,000 | 1.75% | 0.01% |
| Feb. 24, 2026 | Five9, Inc. | $FIVN | Tuckness Matthew E. | Chief Revenue Officer | A | Common Stock | 118922 | $0.00 | 295,301.0000 | 88,002,000 | 67.42% | 0.14% |
| Dec. 4, 2025 | Five9, Inc. | $FIVN | Tuckness Matthew E. | Chief Revenue Officer | S | Common Stock | 5255 | $20.35 | 176,379.0000 | 88,413,000 | 2.89% | 0.01% |
| Sept. 4, 2025 | Five9, Inc. | $FIVN | Tuckness Matthew E. | Chief Revenue Officer | S | Common Stock | 2020 | $25.72 | 181,634.0000 | 88,523,000 | 1.10% | 0.00% |
| Aug. 11, 2025 | Five9, Inc. | $FIVN | Tuckness Matthew E. | Chief Revenue Officer | A | Common Stock | 111731 | $0.00 | 183,654.0000 | 88,523,000 | 155.35% | 0.13% |