Michael G. Barrett is CEO at MAGNITE, INC. (MGNI). They have made 18 open-market trades across 3 companies since 2014, most recently 2026-09-18.
CIK 0001100612
2 open-market purchases totalling $1.3M since 2014, against 16 sales. Too few scored purchases to measure a record yet.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| MGNI | SELL · 10b5-1 | 2026-08-06 | 2026-08-07 | $22.72 | $6.7M | -2.6% | -3.2% | — |
| MGNI | SELL · 10b5-1 | 2026-07-15 | 2026-07-17 | $20.35 | $785K | +4.4% | +28.5% | +29.8% |
| MGNI | SELL · 10b5-1 | 2026-06-29 | 2026-07-01 | $19.50 | $1.5M | -0.8% | -5.3% | +26.0% |
| MGNI | SELL · 10b5-1 | 2026-06-15 | 2026-06-17 | $16.92 | $4.7M | +4.2% | +4.2% | +30.3% |
| MGNI | SELL | 2025-08-18 | 2025-08-20 | $23.85 | $1.7M | +16.2% | +17.8% | -39.1% |
| MGNI | SELL · 10b5-1 | 2025-07-15 | 2025-07-17 | $23.27 | $1.6M | -8.2% | -0.5% | -23.4% |
| MGNI | SELL · 10b5-1 | 2025-06-24 | 2025-06-26 | $20.01 | $12.0M | +12.9% | +12.3% | +8.7% |
| MGNI | SELL · 10b5-1 | 2025-06-16 | 2025-06-18 | $18.07 | $2.2M | +25.6% | +27.5% | +20.2% |
| MGNI | SELL · 10b5-1 | 2024-12-04 | 2024-12-06 | $17.52 | $5.2M | -12.0% | -4.7% | -24.3% |
| MGNI | SELL · 10b5-1 | 2024-11-25 | 2024-11-27 | $17.63 | $952K | +1.1% | -1.6% | +4.4% |
| MGNI | SELL · 10b5-1 | 2024-11-15 | 2024-11-19 | $16.14 | $1.6M | +5.7% | -3.4% | +19.2% |
| MGNI | SELL · 10b5-1 | 2024-11-11 | 2024-11-13 | $15.00 | $375K | -0.9% | -1.7% | +20.7% |
| MGNI | SELL · 10b5-1 | 2024-08-15 | 2024-08-16 | $12.63 | $1.9M | +8.5% | +12.0% | +33.0% |
| MGNI | SELL | 2024-07-15 | 2024-07-17 | $15.00 | $1.5M | -1.6% | -14.6% | -16.1% |
| MGNI | SELL | 2024-05-15 | 2024-05-17 | $9.02 | $677K | +5.6% | +18.4% | +6.8% |
| MGNI | SELL | 2024-03-15 | 2024-03-18 | $11.21 | $1.7M | -4.1% | -23.5% | +23.6% |
| MGNI | SELL · 10b5-1 | 2023-11-15 | 2023-11-17 | $7.80 | $585K | +3.5% | +16.9% | +24.7% |
| MGNI | SELL | 2023-08-16 | 2023-08-18 | $8.31 | $596K | +4.4% | -2.8% | -4.0% |
| MGNI | SELL · 10b5-1 | 2023-08-15 | 2023-08-17 | $8.52 | $639K | +0.9% | -3.3% | -1.4% |
| MGNI | SELL · 10b5-1 | 2023-07-11 | 2023-07-13 | $15.02 | $376K | -6.1% | -44.0% | -51.7% |
| MGNI | SELL · 10b5-1 | 2023-05-31 | 2023-06-02 | $11.69 | $877K | +5.9% | +6.7% | -35.8% |
| MGNI | SELL | 2023-05-16 | 2023-05-18 | $10.88 | $537K | +1.4% | +14.5% | -28.8% |
| MGNI | SELL | 2023-03-15 | 2023-03-17 | $8.39 | $629K | +1.8% | +6.8% | +51.3% |
| MGNI | SELL | 2022-11-15 | 2022-11-17 | $11.58 | $1.7M | -1.9% | -4.7% | +17.1% |
| MGNI | SELL | 2021-08-16 | 2021-08-18 | $27.81 | $4.5M | +16.8% | +20.0% | -8.9% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.