David Buonasera, Chief Technology Officer of Magnite, Inc. ($MGNI), sold shares on the open market five times over the past year, totaling about $661,000. His most recent sale occurred on September 3, 2025. These transactions rank 5,877th among 11,678 insiders by sale value, below the average of $8.6 million across 6.37 transactions per insider. Buonasera made no open market purchases in the last 365 days.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb. 15, 2026 | MAGNITE, INC. | $MGNI | Buonasera David | CHIEF TECHNOLOGY OFFICER | F | Common Stock | 17137 | $11.70 | 302,095.0000 | 153,166,000 | 5.37% | 0.01% |
| Jan. 9, 2026 | MAGNITE, INC. | $MGNI | Buonasera David | CHIEF TECHNOLOGY OFFICER | M | Performance Stock Units | 22935 | $0.00 | 0.0000 | 153,166,000 | 100.00% | 0.01% |
| Jan. 9, 2026 | MAGNITE, INC. | $MGNI | Buonasera David | CHIEF TECHNOLOGY OFFICER | F | Common Stock | 12330 | $16.17 | 319,232.0000 | 153,166,000 | 3.72% | 0.01% |
| Jan. 9, 2026 | MAGNITE, INC. | $MGNI | Buonasera David | CHIEF TECHNOLOGY OFFICER | M | Common Stock | 22935 | $0.00 | 331,562.0000 | 153,166,000 | 7.43% | 0.01% |
| Jan. 1, 2026 | MAGNITE, INC. | $MGNI | Buonasera David | CHIEF TECHNOLOGY OFFICER | A | Common Stock | 76803 | $0.00 | 308,627.0000 | 153,166,000 | 33.13% | 0.05% |
| Jan. 1, 2026 | MAGNITE, INC. | $MGNI | Buonasera David | CHIEF TECHNOLOGY OFFICER | A | Performance Stock Units | 25801 | $0.00 | 25,801.0000 | 153,166,000 | 9999.99% | 0.02% |
| Nov. 15, 2025 | MAGNITE, INC. | $MGNI | Buonasera David | CHIEF TECHNOLOGY OFFICER | F | Common Stock | 7129 | $14.15 | 231,824.0000 | 153,166,000 | 2.98% | 0.00% |
| Sept. 3, 2025 | MAGNITE, INC. | $MGNI | Buonasera David | CHIEF TECHNOLOGY OFFICER | S | Common Stock | 2950 | $25.37 | 238,629.0000 | 146,810,000 | 1.22% | 0.00% |
| Aug. 18, 2025 | MAGNITE, INC. | $MGNI | Buonasera David | CHIEF TECHNOLOGY OFFICER | S | Common Stock | 7834 | $23.85 | 241,579.0000 | 146,810,000 | 3.14% | 0.01% |
| June 30, 2025 | MAGNITE, INC. | $MGNI | Buonasera David | CHIEF TECHNOLOGY OFFICER | S | Common Stock | 9289 | $22.00 | 249,413.0000 | 146,810,000 | 3.59% | 0.01% |
| May 23, 2025 | MAGNITE, INC. | $MGNI | Buonasera David | CHIEF TECHNOLOGY OFFICER | S | Common Stock | 3653 | $15.03 | 267,444.0000 | 146,810,000 | 1.35% | 0.00% |
| May 27, 2025 | MAGNITE, INC. | $MGNI | Buonasera David | CHIEF TECHNOLOGY OFFICER | S | Common Stock | 8742 | $16.00 | 258,702.0000 | 146,810,000 | 3.27% | 0.01% |
| May 15, 2025 | MAGNITE, INC. | $MGNI | Buonasera David | CHIEF TECHNOLOGY OFFICER | F | Common Stock | 8038 | $15.88 | 271,097.0000 | 146,810,000 | 2.88% | 0.01% |
| Feb. 15, 2025 | MAGNITE, INC. | $MGNI | Buonasera David | CHIEF TECHNOLOGY OFFICER | F | Common Stock | 17384 | $20.00 | 278,795.0000 | 146,810,000 | 5.87% | 0.01% |
| Jan. 9, 2025 | MAGNITE, INC. | $MGNI | Buonasera David | CHIEF TECHNOLOGY OFFICER | A | Performance Stock Units | 24366 | $0.00 | 24,366.0000 | 146,810,000 | 9999.99% | 0.02% |
| Jan. 9, 2025 | MAGNITE, INC. | $MGNI | Buonasera David | CHIEF TECHNOLOGY OFFICER | A | Common Stock | 72384 | $0.00 | 296,179.0000 | 146,810,000 | 32.34% | 0.05% |
| Dec. 13, 2024 | MAGNITE, INC. | $MGNI | Buonasera David | CHIEF TECHNOLOGY OFFICER | S | Common Stock | 1969 | $16.31 | 223,795.0000 | 148,697,000 | 0.87% | 0.00% |
| Nov. 27, 2024 | MAGNITE, INC. | $MGNI | Buonasera David | CHIEF TECHNOLOGY OFFICER | S | Common Stock | 431 | $16.78 | 225,764.0000 | 148,697,000 | 0.19% | 0.00% |
| Nov. 22, 2024 | MAGNITE, INC. | $MGNI | Buonasera David | CHIEF TECHNOLOGY OFFICER | S | Common Stock | 9219 | $17.00 | 226,195.0000 | 148,697,000 | 3.92% | 0.01% |
| Nov. 15, 2024 | MAGNITE, INC. | $MGNI | Buonasera David | CHIEF TECHNOLOGY OFFICER | F | Common Stock | 5056 | $15.85 | 235,691.0000 | 148,697,000 | 2.10% | 0.00% |
| Nov. 18, 2024 | MAGNITE, INC. | $MGNI | Buonasera David | CHIEF TECHNOLOGY OFFICER | S | Common Stock | 277 | $15.77 | 235,414.0000 | 148,697,000 | 0.12% | 0.00% |
| Nov. 14, 2024 | MAGNITE, INC. | $MGNI | Buonasera David | CHIEF TECHNOLOGY OFFICER | S | Common Stock | 12412 | $16.41 | 240,403.0000 | 148,697,000 | 4.91% | 0.01% |
| Sept. 1, 2024 | MAGNITE, INC. | $MGNI | Buonasera David | CHIEF TECHNOLOGY OFFICER | F | Common Stock | 5287 | $13.79 | 252,815.0000 | 136,620,000 | 2.05% | 0.00% |
| Aug. 15, 2024 | MAGNITE, INC. | $MGNI | Buonasera David | CHIEF TECHNOLOGY OFFICER | S | Common Stock | 10000 | $12.65 | 258,102.0000 | 136,620,000 | 3.73% | 0.01% |
| Aug. 15, 2024 | MAGNITE, INC. | $MGNI | Buonasera David | CHIEF TECHNOLOGY OFFICER | F | Common Stock | 3760 | $12.51 | 268,102.0000 | 136,620,000 | 1.38% | 0.00% |
| May 15, 2024 | MAGNITE, INC. | $MGNI | Buonasera David | CHIEF TECHNOLOGY OFFICER | F | Common Stock | 7632 | $9.80 | 276,242.0000 | 136,620,000 | 2.69% | 0.01% |
| May 16, 2024 | MAGNITE, INC. | $MGNI | Buonasera David | CHIEF TECHNOLOGY OFFICER | S | Common Stock | 5500 | $12.50 | 271,862.0000 | 136,620,000 | 1.98% | 0.00% |
| Feb. 15, 2024 | MAGNITE, INC. | $MGNI | Buonasera David | CHIEF TECHNOLOGY OFFICER | F | Common Stock | 6765 | $9.74 | 283,874.0000 | 136,620,000 | 2.33% | 0.00% |
| Jan. 2, 2024 | MAGNITE, INC. | $MGNI | Buonasera David | Chief Technology Officer | A | Performance Stock Units | 30339 | $0.00 | 30,339.0000 | 136,620,000 | 9999.99% | 0.02% |
| Jan. 2, 2024 | MAGNITE, INC. | $MGNI | Buonasera David | Chief Technology Officer | A | Common Stock | 85058 | $0.00 | 290,639.0000 | 136,620,000 | 41.37% | 0.06% |
| Nov. 15, 2023 | MAGNITE, INC. | $MGNI | Buonasera David | Chief Technology Officer | F | Common Stock | 1665 | $7.89 | 205,581.0000 | 132,887,000 | 0.80% | 0.00% |
| Sept. 6, 2023 | MAGNITE, INC. | $MGNI | Buonasera David | Chief Technology Officer | S | Common Stock | 5444 | $8.58 | 207,246.0000 | 132,887,000 | 2.56% | 0.00% |
| Aug. 16, 2023 | MAGNITE, INC. | $MGNI | Buonasera David | Chief Technology Officer | S | Common Stock | 2648 | $8.31 | 212,690.0000 | 132,887,000 | 1.23% | 0.00% |
| July 3, 2023 | MAGNITE, INC. | $MGNI | Buonasera David | Chief Technology Officer | S | Common Stock | 6624 | $13.43 | 215,338.0000 | 132,887,000 | 2.98% | 0.00% |
| May 16, 2023 | MAGNITE, INC. | $MGNI | Buonasera David | Chief Technology Officer | S | Common Stock | 1559 | $10.88 | 221,962.0000 | 132,887,000 | 0.70% | 0.00% |
| Feb. 28, 2023 | MAGNITE, INC. | $MGNI | Buonasera David | Chief Technology Officer | A | Performance Stock Units | 18152 | $0.00 | 18,152.0000 | 132,887,000 | 9999.99% | 0.01% |
| Feb. 28, 2023 | MAGNITE, INC. | $MGNI | Buonasera David | Chief Technology Officer | A | Common Stock | 46873 | $0.00 | 221,557.0000 | 132,887,000 | 26.83% | 0.04% |