Evans Katie Seitz
SEC CIK 1700262 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| MGNI | MAGNITE, INC. | See Remarks | 441.8K | — | $8.65M | 51 | 2021-08-16 | 2026-09-11 |
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 |
Transactions 51
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| T | 2026-09-11 16:19 | 2026-09-11 | MGNI | MAGNITE, INC. | Evans Katie Seitz | See Remarks | S - Sale | $24.00 | -14.0K | 441.8K | -3% | -$335.9K |
| DT | 2026-09-10 16:39 | 2026-09-08 | MGNI | MAGNITE, INC. | Evans Katie Seitz | See Remarks | M - OptEx | $5.16 | +13.5K | 499.2K | +3% | +$69.9K |
| DMT | 2026-09-10 16:39 | 2026-09-08+ | MGNI | MAGNITE, INC. | Evans Katie Seitz | See Remarks | S - Sale+OE | $23.59 | -43.4K | 455.8K | -9% | -$1.02M |
| 2026-08-18 16:23 | 2026-08-15 | MGNI | MAGNITE, INC. | Evans Katie Seitz | See Remarks | F - Tax | $24.73 | -11.2K | 485.6K | -2% | -$277.1K | |
| DT | 2026-08-07 17:06 | 2026-08-06 | MGNI | MAGNITE, INC. | Evans Katie Seitz | See Remarks | M - OptEx | $5.16 | +20.0K | 516.8K | +4% | +$103.2K |
| DT | 2026-08-07 17:06 | 2026-08-06 | MGNI | MAGNITE, INC. | Evans Katie Seitz | See Remarks | S - Sale+OE | $24.00 | -20.0K | 496.8K | -4% | -$480.0K |
| 2026-05-19 17:00 | 2026-05-15 | MGNI | MAGNITE, INC. | Evans Katie Seitz | Pres, Ops | F - Tax | $12.82 | -11.2K | 496.8K | -2% | -$143.6K | |
| 2026-02-18 | 2026-02-15 | MGNI | MAGNITE, INC. | Evans Katie Seitz | Pres, Ops | F - Tax | $11.70 | -27.4K | 508.0K | -5% | -$320.9K | |
| D | 2026-01-12 | 2026-01-09 | MGNI | MAGNITE, INC. | Evans Katie Seitz | Pres, Ops | F - Tax | $16.17 | -26.8K | 535.5K | -5% | -$433.9K |
| D | 2026-01-12 | 2026-01-09 | MGNI | MAGNITE, INC. | Evans Katie Seitz | Pres, Ops | M - OptEx | $0.00 | +51.3K | 562.3K | +10% | $0 |
| D | 2026-01-05 | 2026-01-01 | MGNI | MAGNITE, INC. | Evans Katie Seitz | Pres, Ops | A - Grant | $0.00 | +127.3K | 511.0K | +33% | $0 |
| 2025-11-18 | 2025-11-15 | MGNI | MAGNITE, INC. | Evans Katie Seitz | Pres, Ops | F - Tax | $14.15 | -10.4K | 383.7K | -3% | -$146.5K | |
| 2025-08-29 | 2025-08-27 | MGNI | MAGNITE, INC. | Evans Katie Seitz | Pres, Ops | S - Sale | $25.52 | -21.5K | 394.1K | -5% | -$548.9K | |
| 2025-08-26 | 2025-08-25 | MGNI | MAGNITE, INC. | Evans Katie Seitz | Pres, Ops | S - Sale | $26.00 | -8,345 | 415.6K | -2% | -$217.0K | |
| 2025-08-20 | 2025-08-18 | MGNI | MAGNITE, INC. | Evans Katie Seitz | Pres, Ops | S - Sale | $23.85 | -10.5K | 423.9K | -2% | -$250.1K | |
| D | 2025-07-02 | 2025-06-30 | MGNI | MAGNITE, INC. | Evans Katie Seitz | Pres, Ops | M - OptEx | $3.61 | +16.1K | 458.9K | +4% | +$58.3K |
| DM | 2025-07-02 | 2025-06-30 | MGNI | MAGNITE, INC. | Evans Katie Seitz | Pres, Ops | S - Sale+OE | $23.32 | -24.5K | 450.6K | -5% | -$571.2K |
| D | 2025-06-18 | 2025-06-16 | MGNI | MAGNITE, INC. | Evans Katie Seitz | Pres, Ops | S - Sale+OE | $18.50 | -20.0K | 442.8K | -4% | -$370.0K |
| D | 2025-06-18 | 2025-06-16 | MGNI | MAGNITE, INC. | Evans Katie Seitz | Pres, Ops | M - OptEx | $3.61 | +20.0K | 462.8K | +5% | +$72.2K |
| D | 2025-06-06 | 2025-06-05 | MGNI | MAGNITE, INC. | Evans Katie Seitz | Pres, Ops | M - OptEx | $3.61 | +20.0K | 477.8K | +4% | +$72.2K |
| D | 2025-06-06 | 2025-06-05 | MGNI | MAGNITE, INC. | Evans Katie Seitz | Pres, Ops | S - Sale+OE | $17.36 | -35.0K | 442.8K | -7% | -$607.6K |
| 2025-05-16 | 2025-05-15 | MGNI | MAGNITE, INC. | Evans Katie Seitz | Pres, Ops | F - Tax | $15.88 | -10.9K | 457.8K | -2% | -$172.5K | |
| 2025-02-19 | 2025-02-15 | MGNI | MAGNITE, INC. | Evans Katie Seitz | Pres, Ops | F - Tax | $20.00 | -23.5K | 468.6K | -5% | -$469.6K | |
| 2025-02-07 | 2025-02-07 | MGNI | MAGNITE, INC. | Evans Katie Seitz | Pres, Ops | S - Sale | $20.00 | -12.5K | 492.1K | -2% | -$250.4K | |
| D | 2025-01-13 | 2025-01-09 | MGNI | MAGNITE, INC. | Evans Katie Seitz | Pres, Ops | A - Grant | $0.00 | +123.5K | 504.6K | +32% | $0 |
| 2024-11-19 | 2024-11-15 | MGNI | MAGNITE, INC. | Evans Katie Seitz | COO | F - Tax | $15.85 | -7,483 | 381.2K | -2% | -$118.6K | |
| 2024-11-13 | 2024-11-11 | MGNI | MAGNITE, INC. | Evans Katie Seitz | COO | S - Sale | $16.00 | -12.8K | 388.7K | -3% | -$205.2K | |
| 2024-08-16 | 2024-08-15 | MGNI | MAGNITE, INC. | Evans Katie Seitz | COO | F - Tax | $12.51 | -7,483 | 401.5K | -2% | -$93.6K | |
| 2024-06-14 | 2024-06-13 | MGNI | MAGNITE, INC. | Evans Katie Seitz | COO | S - Sale | $13.77 | -14.5K | 409.0K | -3% | -$200.2K | |
| 2024-05-17 | 2024-05-15 | MGNI | MAGNITE, INC. | Evans Katie Seitz | COO | F - Tax | $9.80 | -9,448 | 423.5K | -2% | -$92.6K | |
| 2024-02-16 | 2024-02-15 | MGNI | MAGNITE, INC. | Evans Katie Seitz | COO | F - Tax | $9.74 | -23.1K | 432.9K | -5% | -$225.0K | |
| D | 2024-01-04 | 2024-01-02 | MGNI | MAGNITE, INC. | Evans Katie Seitz | COO | A - Grant | $0.00 | +113.8K | 456.1K | +33% | $0 |
| 2023-11-17 | 2023-11-15 | MGNI | MAGNITE, INC. | Evans Katie Seitz | COO | F - Tax | $7.89 | -6,800 | 342.2K | -2% | -$53.7K | |
| 2023-08-18 | 2023-08-16 | MGNI | MAGNITE, INC. | Evans Katie Seitz | COO | S - Sale | $8.31 | -7,038 | 349.0K | -2% | -$58.5K | |
| 2023-07-13 | 2023-07-11 | MGNI | MAGNITE, INC. | Evans Katie Seitz | COO | S - Sale | $15.00 | -17.8K | 356.1K | -5% | -$266.6K | |
| 2023-06-14 | 2023-06-12 | MGNI | MAGNITE, INC. | Evans Katie Seitz | COO | S - Sale | $13.43 | -11.1K | 373.8K | -3% | -$149.0K | |
| 2023-05-18 | 2023-05-16 | MGNI | MAGNITE, INC. | Evans Katie Seitz | COO | S - Sale | $10.88 | -7,450 | 384.9K | -2% | -$81.1K | |
| 2023-03-03 | 2023-03-01 | MGNI | MAGNITE, INC. | Evans Katie Seitz | COO | S - Sale | $10.99 | -78.2K | 392.4K | -17% | -$858.9K | |
| 2023-02-17 | 2023-02-15 | MGNI | MAGNITE, INC. | Evans Katie Seitz | COO | F - Tax | $13.27 | -16.1K | 470.5K | -3% | -$213.2K | |
| 2023-02-16 | 2023-02-14 | MGNI | MAGNITE, INC. | Evans Katie Seitz | COO | F - Tax | $11.82 | -6,819 | 486.6K | -1% | -$80.6K | |
| D | 2023-01-04 | 2023-01-01 | MGNI | MAGNITE, INC. | Evans Katie Seitz | COO | A - Grant | $0.00 | +113.8K | 493.4K | +30% | $0 |
| 2022-11-17 | 2022-11-15 | MGNI | MAGNITE, INC. | Evans Katie Seitz | COO | F - Tax | $11.47 | -3,710 | 379.6K | -1.0% | -$42.6K | |
| 2022-08-17 | 2022-08-15 | MGNI | MAGNITE, INC. | Evans Katie Seitz | COO | F - Tax | $9.80 | -3,710 | 383.3K | -1.0% | -$36.4K | |
| 2022-05-17 | 2022-05-15 | MGNI | MAGNITE, INC. | Evans Katie Seitz | COO | F - Tax | $10.59 | -6,243 | 387.0K | -2% | -$66.1K | |
| 2022-04-08 | 2022-04-06 | MGNI | MAGNITE, INC. | Evans Katie Seitz | COO | S - Sale | $13.13 | -15.8K | 393.3K | -4% | -$207.5K | |
| 2022-04-05 | 2022-04-01 | MGNI | MAGNITE, INC. | Evans Katie Seitz | COO | F - Tax | $13.49 | -26.2K | 409.1K | -6% | -$353.5K | |
| M | 2022-02-16 | 2022-02-14+ | MGNI | MAGNITE, INC. | Evans Katie Seitz | COO | F - Tax | $13.45 | -13.2K | 438.2K | -3% | -$177.6K |
| D | 2022-02-03 | 2022-02-01 | MGNI | MAGNITE, INC. | Evans Katie Seitz | COO | A - Grant | $0.00 | +96.8K | 448.5K | +28% | $0 |
| 2021-11-17 | 2021-11-15 | MGNI | MAGNITE, INC. | Evans Katie Seitz | COO | F - Tax | $22.50 | -3,069 | 351.7K | -0.9% | -$69.1K | |
| M | 2021-09-15 | 2021-09-13+ | MGNI | MAGNITE, INC. | Evans Katie Seitz | COO | S - Sale | $29.24 | -64.2K | 390.4K | -14% | -$1.88M |
| 2021-08-18 | 2021-08-16 | MGNI | MAGNITE, INC. | Evans Katie Seitz | COO | S - Sale | $26.82 | -3,329 | 418.9K | -0.8% | -$89.3K |
Purchase Sale Sale after option exercise All abbreviations