Day David
SEC CIK 1523288 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| MGNI | MAGNITE, INC. | CFO | 452.9K | — | $6.78M | 49 | 2021-08-16 | 2026-08-15 |
Most active insiders at MGNI, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | BARRETT MICHAEL G. | CEO, Dir | — | $13.64M |
| 2 | Buckley Sean Patrick | See Remarks | — | $2.78M |
| 3 | Knopper Douglas S | Dir | — | $2.67M |
| 4 | Evans Katie Seitz | See Remarks | — | $1.84M |
| 5 | Harden Sarah Patricia | Dir | — | $1.15M |
| 6 | Saltz Aaron | CLO | — | $936.4K |
| 7 | Buonasera David | CTO | — | $840.6K |
| 8 | Caine Paul | Dir | — | $828.9K |
| 9 | Soroca Adam Lee | Chief PRODUCT Off | — | $685.1K |
| 10 | Spillane Robert F | Dir | — | $557.3K |
| 15 | Day David | CFO | — | — |
Transactions 49
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-08-18 16:17 | 2026-08-15 | MGNI | MAGNITE, INC. | Day David | CFO | F - Tax | $24.73 | -14.2K | 452.9K | -3% | -$350.4K | |
| 2026-08-14 16:16 | 2026-08-13 | MGNI | MAGNITE, INC. | Day David | CFO | G - Gift | $0.00 | -26.3K | 467.0K | -5% | $0 | |
| 2026-05-19 17:00 | 2026-05-15 | MGNI | MAGNITE, INC. | Day David | CFO | F - Tax | $12.82 | -14.2K | 493.3K | -3% | -$181.7K | |
| 2026-02-18 | 2026-02-15 | MGNI | MAGNITE, INC. | Day David | CFO | F - Tax | $11.70 | -30.6K | 507.5K | -6% | -$358.2K | |
| D | 2026-01-12 | 2026-01-09 | MGNI | MAGNITE, INC. | Day David | CFO | M - OptEx | $0.00 | +72.7K | 573.2K | +15% | $0 |
| D | 2026-01-12 | 2026-01-09 | MGNI | MAGNITE, INC. | Day David | CFO | F - Tax | $16.17 | -35.2K | 538.1K | -6% | -$568.7K |
| D | 2026-01-05 | 2026-01-01 | MGNI | MAGNITE, INC. | Day David | CFO | A - Grant | $0.00 | +131.7K | 500.6K | +36% | $0 |
| 2025-11-18 | 2025-11-15 | MGNI | MAGNITE, INC. | Day David | CFO | F - Tax | $14.15 | -13.2K | 368.9K | -3% | -$186.7K | |
| 2025-08-20 | 2025-08-18 | MGNI | MAGNITE, INC. | Day David | CFO | S - Sale | $23.85 | -13.4K | 382.1K | -3% | -$318.8K | |
| 2025-08-19 | 2025-08-15 | MGNI | MAGNITE, INC. | Day David | CFO | G - Gift | $0.00 | -26.4K | 395.5K | -6% | $0 | |
| 2025-07-02 | 2025-06-30 | MGNI | MAGNITE, INC. | Day David | CFO | S - Sale | $22.00 | -21.7K | 421.8K | -5% | -$477.0K | |
| DM | 2025-06-26 | 2025-06-24+ | MGNI | MAGNITE, INC. | Day David | CFO | M - OptEx | $5.28 | +71.0K | 479.5K | +17% | +$374.9K |
| DM | 2025-06-26 | 2025-06-24+ | MGNI | MAGNITE, INC. | Day David | CFO | S - Sale+OE | $20.46 | -71.0K | 443.5K | -14% | -$1.45M |
| D | 2025-06-20 | 2025-06-18 | MGNI | MAGNITE, INC. | Day David | CFO | M - OptEx | $4.92 | +38.1K | 481.7K | +9% | +$187.7K |
| D | 2025-06-20 | 2025-06-18 | MGNI | MAGNITE, INC. | Day David | CFO | S - Sale+OE | $18.95 | -38.1K | 443.5K | -8% | -$722.9K |
| 2025-05-16 | 2025-05-15 | MGNI | MAGNITE, INC. | Day David | CFO | F - Tax | $15.88 | -13.9K | 443.5K | -3% | -$220.2K | |
| 2025-02-19 | 2025-02-15 | MGNI | MAGNITE, INC. | Day David | CFO | F - Tax | $20.00 | -31.1K | 457.4K | -6% | -$622.3K | |
| DM | 2025-02-07 | 2025-02-06+ | MGNI | MAGNITE, INC. | Day David | CFO | S - Sale+OE | $19.58 | -52.2K | 488.5K | -10% | -$1.02M |
| D | 2025-02-07 | 2025-02-07 | MGNI | MAGNITE, INC. | Day David | CFO | M - OptEx | $4.92 | +39.0K | 527.5K | +8% | +$191.9K |
| D | 2025-01-13 | 2025-01-09 | MGNI | MAGNITE, INC. | Day David | CFO | A - Grant | $0.00 | +127.7K | 501.8K | +34% | $0 |
| 2025-01-07 | 2025-01-03 | MGNI | MAGNITE, INC. | Day David | CFO | S - Sale | $17.00 | -13.3K | 374.0K | -3% | -$226.9K | |
| M | 2024-12-18 | 2024-12-16+ | MGNI | MAGNITE, INC. | Day David | CFO | S - Sale | $16.38 | -25.1K | 400.9K | -6% | -$411.7K |
| 2024-11-19 | 2024-11-15 | MGNI | MAGNITE, INC. | Day David | CFO | F - Tax | $15.85 | -9,128 | 412.5K | -2% | -$144.7K | |
| 2024-08-16 | 2024-08-15 | MGNI | MAGNITE, INC. | Day David | CFO | F - Tax | $12.51 | -9,124 | 421.6K | -2% | -$114.1K | |
| 2024-07-17 | 2024-07-15 | MGNI | MAGNITE, INC. | Day David | CFO | S - Sale | $15.00 | -19.1K | 430.8K | -4% | -$286.2K | |
| 2024-06-14 | 2024-06-12 | MGNI | MAGNITE, INC. | Day David | CFO | S - Sale | $14.01 | -21.3K | 449.8K | -5% | -$298.4K | |
| 2024-06-05 | 2024-06-03 | MGNI | MAGNITE, INC. | Day David | CFO | S - Sale | $13.00 | -20.7K | 471.1K | -4% | -$269.5K | |
| 2024-05-17 | 2024-05-15 | MGNI | MAGNITE, INC. | Day David | CFO | F - Tax | $9.80 | -12.4K | 511.2K | -2% | -$121.3K | |
| 2024-05-17 | 2024-05-16 | MGNI | MAGNITE, INC. | Day David | CFO | S - Sale | $12.00 | -19.4K | 491.9K | -4% | -$232.4K | |
| 2024-02-16 | 2024-02-15 | MGNI | MAGNITE, INC. | Day David | CFO | F - Tax | $9.74 | -30.3K | 523.6K | -5% | -$295.3K | |
| 2024-02-05 | 2024-02-01 | MGNI | MAGNITE, INC. | Day David | CFO | F - Tax | $9.06 | -14.4K | 553.9K | -3% | -$130.6K | |
| D | 2024-01-04 | 2024-01-02 | MGNI | MAGNITE, INC. | Day David | CFO | A - Grant | $0.00 | +161.2K | 568.3K | +40% | $0 |
| 2023-11-17 | 2023-11-15 | MGNI | MAGNITE, INC. | Day David | CFO | F - Tax | $7.89 | -8,767 | 407.1K | -2% | -$69.2K | |
| 2023-08-18 | 2023-08-16 | MGNI | MAGNITE, INC. | Day David | CFO | S - Sale | $8.31 | -9,078 | 415.9K | -2% | -$75.4K | |
| D | 2023-07-13 | 2023-07-11 | MGNI | MAGNITE, INC. | Day David | CFO | S - Sale+OE | $15.00 | -9,584 | 424.9K | -2% | -$143.8K |
| D | 2023-07-13 | 2023-07-11 | MGNI | MAGNITE, INC. | Day David | CFO | M - OptEx | $1.97 | +9,584 | 434.5K | +2% | +$18.9K |
| 2023-06-30 | 2023-06-29 | MGNI | MAGNITE, INC. | Day David | CFO | S - Sale | $14.00 | -21.6K | 424.9K | -5% | -$301.9K | |
| M | 2023-06-14 | 2023-06-12+ | MGNI | MAGNITE, INC. | Day David | CFO | S - Sale | $13.41 | -16.5K | 446.5K | -4% | -$221.6K |
| 2023-05-18 | 2023-05-16 | MGNI | MAGNITE, INC. | Day David | CFO | S - Sale | $10.88 | -16.1K | 463.0K | -3% | -$174.8K | |
| 2023-02-17 | 2023-02-15 | MGNI | MAGNITE, INC. | Day David | CFO | F - Tax | $13.27 | -17.7K | 479.1K | -4% | -$235.4K | |
| 2023-02-03 | 2023-02-01 | MGNI | MAGNITE, INC. | Day David | CFO | F - Tax | $12.14 | -14.2K | 496.8K | -3% | -$171.9K | |
| D | 2023-01-04 | 2023-01-01 | MGNI | MAGNITE, INC. | Day David | CFO | A - Grant | $0.00 | +161.2K | 511.0K | +46% | $0 |
| 2022-11-17 | 2022-11-15 | MGNI | MAGNITE, INC. | Day David | CFO | F - Tax | $11.47 | -17.6K | 349.7K | -5% | -$201.9K | |
| 2022-08-17 | 2022-08-15 | MGNI | MAGNITE, INC. | Day David | CFO | F - Tax | $9.80 | -5,806 | 367.4K | -2% | -$56.9K | |
| 2022-05-17 | 2022-05-15 | MGNI | MAGNITE, INC. | Day David | CFO | F - Tax | $10.59 | -22.5K | 373.2K | -6% | -$238.1K | |
| 2022-02-16 | 2022-02-15 | MGNI | MAGNITE, INC. | Day David | CFO | F - Tax | $13.95 | -5,407 | 395.6K | -1% | -$75.4K | |
| DM | 2022-02-03 | 2022-02-01 | MGNI | MAGNITE, INC. | Day David | CFO | A - Grant | $0.00 | +152.1K | 401.0K | +61% | $0 |
| 2021-11-17 | 2021-11-15 | MGNI | MAGNITE, INC. | Day David | CFO | F - Tax | $22.50 | -19.4K | 248.9K | -7% | -$437.6K | |
| 2021-08-18 | 2021-08-16 | MGNI | MAGNITE, INC. | Day David | CFO | S - Sale | $26.82 | -5,177 | 268.3K | -2% | -$138.8K |
Purchase Sale Sale after option exercise All abbreviations