MGNI MAGNITE, INC.
Nasdaq · SEC CIK 1595974 · EDGAR
- Bought, last 12 months
- $0 0 purchases by 0 insiders
- Sold, last 12 months
- $26.65M 41 sales by 13 insiders
- Filings on record
- 409 since 2021-07-02, latest 2026-09-18 16:06
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| BARRETT MICHAEL G. | CEO, Dir | — | $13.64M |
| Buckley Sean Patrick | See Remarks | — | $2.78M |
| Knopper Douglas S | Dir | — | $2.67M |
| Evans Katie Seitz | See Remarks | — | $1.84M |
| Harden Sarah Patricia | Dir | — | $1.15M |
| Saltz Aaron | CLO | — | $936.4K |
| Buonasera David | CTO | — | $840.6K |
| Caine Paul | Dir | — | $828.9K |
| Soroca Adam Lee | Chief PRODUCT Off | — | $685.1K |
| Spillane Robert F | Dir | — | $557.3K |
Transactions 468
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-11-18 | 2025-11-15 | MGNI | Evans Katie Seitz | Pres, Ops | F - Tax | $14.15 | -10.4K | 383.7K | -3% | -$146.5K | |
| 2025-11-18 | 2025-11-15 | MGNI | Buonasera David | CTO | F - Tax | $14.15 | -7,129 | 231.8K | -3% | -$100.9K | |
| 2025-11-18 | 2025-11-18 | MGNI | Soroca Adam Lee | Chief PRODUCT Off | S - Sale | $13.23 | -10.9K | 326.1K | -3% | -$143.6K | |
| 2025-11-18 | 2025-11-15 | MGNI | Soroca Adam Lee | Chief PRODUCT Off | F - Tax | $14.15 | -9,422 | 337.0K | -3% | -$133.3K | |
| 2025-11-18 | 2025-11-15 | MGNI | Saltz Aaron | CLO | F - Tax | $14.15 | -5,695 | 209.4K | -3% | -$80.6K | |
| 2025-11-18 | 2025-11-18 | MGNI | Buckley Sean Patrick | Pres, Revenue | S - Sale | $13.36 | -4,426 | 271.1K | -2% | -$59.1K | |
| 2025-11-18 | 2025-11-15 | MGNI | Buckley Sean Patrick | Pres, Revenue | F - Tax | $14.15 | -11.6K | 275.6K | -4% | -$164.7K | |
| 2025-11-18 | 2025-11-15 | MGNI | Gephart Brian | CAO | F - Tax | $14.15 | -3,549 | 89.3K | -4% | -$50.2K | |
| 2025-11-18 | 2025-11-15 | MGNI | BARRETT MICHAEL G. | CEO, Dir | F - Tax | $14.15 | -12.2K | 237.7K | -5% | -$172.6K | |
| 2025-11-18 | 2025-11-15 | MGNI | Day David | CFO | F - Tax | $14.15 | -13.2K | 368.9K | -3% | -$186.7K | |
| 2025-10-28 | 2025-10-24 | MGNI | Caine Paul | Dir | S - Sale | $20.00 | -5,000 | 153.6K | -3% | -$100.0K | |
| 2025-09-19 | 2025-09-19 | MGNI | Saltz Aaron | CLO | S - Sale | $24.50 | -8,522 | 215.1K | -4% | -$208.8K | |
| 2025-09-19 | 2025-09-19 | MGNI | Caine Paul | Dir | S - Sale | $25.00 | -7,500 | 158.6K | -5% | -$187.5K | |
| 2025-09-17 | 2025-09-15 | MGNI | Saltz Aaron | CLO | S - Sale | $23.94 | -6,180 | 223.6K | -3% | -$147.9K | |
| M | 2025-09-12 | 2025-09-10 | MGNI | Caine Paul | Dir | S - Sale | $23.60 | -5,000 | 166.1K | -3% | -$118.0K |
| M | 2025-09-10 | 2025-09-08+ | MGNI | Buckley Sean Patrick | Pres, Revenue | S - Sale | $25.09 | -40.0K | 287.2K | -12% | -$1.00M |
| 2025-09-05 | 2025-09-04 | MGNI | Gephart Brian | CAO | S - Sale | $24.71 | -27.7K | 92.9K | -23% | -$683.8K | |
| DM | 2025-09-04 | 2025-09-02 | MGNI | Soroca Adam Lee | Chief PRODUCT Off | S - Sale+OE | $24.69 | -25.0K | 362.1K | -6% | -$616.9K |
| D | 2025-09-04 | 2025-09-02 | MGNI | Soroca Adam Lee | Chief PRODUCT Off | M - OptEx | $4.92 | +25.0K | 371.4K | +7% | +$122.9K |
| 2025-09-04 | 2025-09-03 | MGNI | Buonasera David | CTO | S - Sale | $25.37 | -2,950 | 238.6K | -1% | -$74.8K | |
| 2025-08-29 | 2025-08-27 | MGNI | Evans Katie Seitz | Pres, Ops | S - Sale | $25.52 | -21.5K | 394.1K | -5% | -$548.9K | |
| 2025-08-29 | 2025-08-29 | MGNI | Saltz Aaron | CLO | S - Sale | $26.07 | -12.4K | 229.8K | -5% | -$323.3K | |
| 2025-08-27 | 2025-08-26 | MGNI | Yu Diane | Dir | S - Sale | $25.23 | -20.0K | 67.5K | -23% | -$504.6K | |
| 2025-08-26 | 2025-08-25 | MGNI | Caine Paul | Dir | S - Sale | $25.00 | -7,500 | 171.1K | -4% | -$187.5K | |
| 2025-08-26 | 2025-08-25 | MGNI | Evans Katie Seitz | Pres, Ops | S - Sale | $26.00 | -8,345 | 415.6K | -2% | -$217.0K | |
| 2025-08-20 | 2025-08-18 | MGNI | Buonasera David | CTO | S - Sale | $23.85 | -7,834 | 241.6K | -3% | -$186.8K | |
| M | 2025-08-20 | 2025-08-18+ | MGNI | Soroca Adam Lee | Chief PRODUCT Off | S - Sale | $23.65 | -20.3K | 346.4K | -6% | -$479.6K |
| 2025-08-20 | 2025-08-18 | MGNI | Gephart Brian | CAO | S - Sale | $23.85 | -2,961 | 120.6K | -2% | -$70.6K | |
| 2025-08-20 | 2025-08-18 | MGNI | BARRETT MICHAEL G. | CEO, Dir | S - Sale | $23.85 | -36.0K | 249.9K | -13% | -$857.4K | |
| 2025-08-20 | 2025-08-18 | MGNI | Day David | CFO | S - Sale | $23.85 | -13.4K | 382.1K | -3% | -$318.8K | |
| M | 2025-08-20 | 2025-08-18+ | MGNI | Buckley Sean Patrick | Pres, Revenue | S - Sale | $23.65 | -20.2K | 327.2K | -6% | -$477.8K |
| 2025-08-20 | 2025-08-18 | MGNI | Saltz Aaron | CLO | S - Sale | $23.85 | -5,770 | 242.2K | -2% | -$137.6K | |
| 2025-08-20 | 2025-08-18 | MGNI | Evans Katie Seitz | Pres, Ops | S - Sale | $23.85 | -10.5K | 423.9K | -2% | -$250.1K | |
| 2025-08-19 | 2025-08-15 | MGNI | Day David | CFO | G - Gift | $0.00 | -26.4K | 395.5K | -6% | $0 | |
| 2025-08-15 | 2025-08-14 | MGNI | Saltz Aaron | CLO | S - Sale | $23.34 | -13.9K | 248.0K | -5% | -$323.5K | |
| 2025-08-14 | 2025-08-12 | MGNI | Lam Rachel | Dir | S - Sale | $22.25 | -15.0K | 226.8K | -6% | -$333.8K | |
| 2025-08-13 | 2025-08-11 | MGNI | Caine Paul | Dir | S - Sale | $22.29 | -5,000 | 178.6K | -3% | -$111.5K | |
| 2025-07-17 | 2025-07-15 | MGNI | BARRETT MICHAEL G. | CEO, Dir | S - Sale | $23.27 | -70.9K | 285.8K | -20% | -$1.65M | |
| 2025-07-11 | 2025-07-10 | MGNI | Caine Paul | Dir | S - Sale | $23.53 | -5,000 | 183.6K | -3% | -$117.7K | |
| D | 2025-07-08 | 2025-07-03 | MGNI | Soroca Adam Lee | Chief PRODUCT Off | S - Sale+OE | $25.00 | -42.6K | 366.7K | -10% | -$1.06M |
| DM | 2025-07-08 | 2025-07-03 | MGNI | Soroca Adam Lee | Chief PRODUCT Off | M - OptEx | $4.92 | +8,329 | 409.3K | +2% | +$41.0K |
| 2025-07-02 | 2025-06-30 | MGNI | Buonasera David | CTO | S - Sale | $22.00 | -9,289 | 249.4K | -4% | -$204.4K | |
| D | 2025-07-02 | 2025-06-30 | MGNI | Evans Katie Seitz | Pres, Ops | M - OptEx | $3.61 | +16.1K | 458.9K | +4% | +$58.3K |
| DM | 2025-07-02 | 2025-06-30 | MGNI | Evans Katie Seitz | Pres, Ops | S - Sale+OE | $23.32 | -24.5K | 450.6K | -5% | -$571.2K |
| 2025-07-02 | 2025-06-30 | MGNI | Day David | CFO | S - Sale | $22.00 | -21.7K | 421.8K | -5% | -$477.0K | |
| 2025-07-02 | 2025-06-30 | MGNI | Saltz Aaron | CLO | S - Sale | $22.00 | -17.6K | 261.8K | -6% | -$386.6K | |
| 2025-06-26 | 2025-06-24 | MGNI | BARRETT MICHAEL G. | CEO, Dir | S - Sale | $20.01 | -300.0K | 356.7K | -46% | -$6.00M | |
| DM | 2025-06-26 | 2025-06-24+ | MGNI | Day David | CFO | M - OptEx | $5.28 | +71.0K | 479.5K | +17% | +$374.9K |
| DM | 2025-06-26 | 2025-06-24+ | MGNI | Day David | CFO | S - Sale+OE | $20.46 | -71.0K | 443.5K | -14% | -$1.45M |
| D | 2025-06-26 | 2025-06-24 | MGNI | Soroca Adam Lee | Chief PRODUCT Off | M - OptEx | $1.97 | +8,329 | 445.4K | +2% | +$16.4K |
| D | 2025-06-26 | 2025-06-24 | MGNI | Soroca Adam Lee | Chief PRODUCT Off | S - Sale+OE | $20.00 | -44.5K | 400.9K | -10% | -$890.4K |
| 2025-06-26 | 2025-06-24 | MGNI | Caine Paul | Dir | S - Sale | $20.00 | -5,000 | 188.6K | -3% | -$100.0K | |
| 2025-06-20 | 2025-06-18 | MGNI | Rossman James | Dir | S - Sale | $18.78 | -137.0K | 93.7K | -59% | -$2.57M | |
| D | 2025-06-20 | 2025-06-18 | MGNI | Day David | CFO | M - OptEx | $4.92 | +38.1K | 481.7K | +9% | +$187.7K |
| D | 2025-06-20 | 2025-06-18 | MGNI | Day David | CFO | S - Sale+OE | $18.95 | -38.1K | 443.5K | -8% | -$722.9K |
| D | 2025-06-18 | 2025-06-16 | MGNI | 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 | Evans Katie Seitz | Pres, Ops | M - OptEx | $3.61 | +20.0K | 462.8K | +5% | +$72.2K |
| M | 2025-06-18 | 2025-06-16+ | MGNI | BARRETT MICHAEL G. | CEO, Dir | S - Sale | $18.26 | -75.0K | 686.7K | -10% | -$1.37M |
| 2025-06-18 | 2025-06-16 | MGNI | Saltz Aaron | CLO | S - Sale | $17.50 | -16.8K | 279.4K | -6% | -$293.8K | |
| 2025-06-12 | 2025-06-10 | MGNI | Spillane Robert F | Dir | S - Sale | $17.57 | -15.0K | 66.4K | -18% | -$263.6K | |
| 2025-06-06 | 2025-06-04 | MGNI | Saltz Aaron | CLO | S - Sale | $16.71 | -15.3K | 296.2K | -5% | -$256.1K | |
| 2025-06-06 | 2025-06-05 | MGNI | Rossman James | Dir | A - Grant | $0.00 | +10.8K | 230.7K | +5% | $0 | |
| 2025-06-06 | 2025-06-05 | MGNI | Spillane Robert F | Dir | A - Grant | $0.00 | +10.8K | 81.4K | +15% | $0 | |
| D | 2025-06-06 | 2025-06-06 | MGNI | Soroca Adam Lee | Chief PRODUCT Off | M - OptEx | $1.97 | +8,328 | 445.4K | +2% | +$16.4K |
| D | 2025-06-06 | 2025-06-06 | MGNI | Soroca Adam Lee | Chief PRODUCT Off | S - Sale+OE | $17.70 | -8,328 | 437.1K | -2% | -$147.4K |
| 2025-06-06 | 2025-06-05 | MGNI | Harden Sarah Patricia | Dir | A - Grant | $0.00 | +10.8K | 149.9K | +8% | $0 | |
| 2025-06-06 | 2025-06-05 | MGNI | Yu Diane | Dir | A - Grant | $0.00 | +10.8K | 87.5K | +14% | $0 | |
| 2025-06-06 | 2025-06-05 | MGNI | Caine Paul | Dir | A - Grant | $0.00 | +10.8K | 193.6K | +6% | $0 | |
| 2025-06-06 | 2025-06-05 | MGNI | Lam Rachel | Dir | A - Grant | $0.00 | +10.8K | 241.8K | +5% | $0 | |
| D | 2025-06-06 | 2025-06-05 | MGNI | Evans Katie Seitz | Pres, Ops | M - OptEx | $3.61 | +20.0K | 477.8K | +4% | +$72.2K |
| D | 2025-06-06 | 2025-06-05 | MGNI | Evans Katie Seitz | Pres, Ops | S - Sale+OE | $17.36 | -35.0K | 442.8K | -7% | -$607.6K |
| 2025-06-06 | 2025-06-05 | MGNI | Knopper Douglas S | Dir | A - Grant | $0.00 | +10.8K | 160.1K | +7% | $0 | |
| 2025-06-06 | 2025-06-06 | MGNI | PEARSON DAVID T. | Dir | S - Sale | $17.60 | -11.5K | 76.0K | -13% | -$202.6K | |
| 2025-06-06 | 2025-06-05 | MGNI | PEARSON DAVID T. | Dir | A - Grant | $0.00 | +10.8K | 87.5K | +14% | $0 | |
| M | 2025-05-28 | 2025-05-23+ | MGNI | Buonasera David | CTO | S - Sale | $15.71 | -12.4K | 267.4K | -4% | -$194.8K |
| D | 2025-05-22 | 2025-05-20 | MGNI | Soroca Adam Lee | Chief PRODUCT Off | M - OptEx | $1.97 | +8,328 | 445.4K | +2% | +$16.4K |
| D | 2025-05-22 | 2025-05-20 | MGNI | Soroca Adam Lee | Chief PRODUCT Off | S - Sale+OE | $17.00 | -8,328 | 437.1K | -2% | -$141.6K |
| 2025-05-16 | 2025-05-15 | MGNI | Gephart Brian | CAO | F - Tax | $15.88 | -3,045 | 123.5K | -2% | -$48.4K | |
| 2025-05-16 | 2025-05-15 | MGNI | Day David | CFO | F - Tax | $15.88 | -13.9K | 443.5K | -3% | -$220.2K | |
| 2025-05-16 | 2025-05-15 | MGNI | Evans Katie Seitz | Pres, Ops | F - Tax | $15.88 | -10.9K | 457.8K | -2% | -$172.5K | |
| 2025-05-16 | 2025-05-15 | MGNI | Saltz Aaron | CLO | F - Tax | $15.88 | -6,001 | 311.5K | -2% | -$95.3K | |
| 2025-05-16 | 2025-05-15 | MGNI | BARRETT MICHAEL G. | CEO, Dir | F - Tax | $15.88 | -13.1K | 731.7K | -2% | -$207.8K | |
| 2025-05-16 | 2025-05-16 | MGNI | Buckley Sean Patrick | Pres, Revenue | S - Sale | $15.73 | -9,692 | 347.4K | -3% | -$152.5K | |
| 2025-05-16 | 2025-05-15 | MGNI | Buckley Sean Patrick | Pres, Revenue | F - Tax | $15.88 | -15.0K | 357.1K | -4% | -$239.0K | |
| 2025-05-16 | 2025-05-15 | MGNI | Soroca Adam Lee | Chief PRODUCT Off | F - Tax | $15.88 | -9,903 | 448.5K | -2% | -$157.3K | |
| 2025-05-16 | 2025-05-16 | MGNI | Soroca Adam Lee | Chief PRODUCT Off | S - Sale | $15.73 | -11.4K | 437.1K | -3% | -$178.8K | |
| 2025-05-16 | 2025-05-15 | MGNI | Buonasera David | CTO | F - Tax | $15.88 | -8,038 | 271.1K | -3% | -$127.6K | |
| 2025-05-14 | 2025-05-12 | MGNI | Gephart Brian | CAO | S - Sale | $16.16 | -6,334 | 126.6K | -5% | -$102.4K | |
| 2025-03-05 | 2025-03-03 | MGNI | Gephart Brian | CAO | S - Sale | $16.00 | -6,250 | 132.9K | -4% | -$100.0K | |
| 2025-03-05 | 2025-03-03 | MGNI | Soroca Adam Lee | Chief PRODUCT Off | S - Sale | $15.75 | -15.5K | 458.4K | -3% | -$244.1K | |
| 2025-02-21 | 2025-02-19 | MGNI | Buckley Sean Patrick | Pres, Revenue | S - Sale | $19.13 | -10.5K | 370.6K | -3% | -$201.4K | |
| 2025-02-19 | 2025-02-15 | MGNI | Saltz Aaron | CLO | F - Tax | $20.00 | -13.1K | 317.5K | -4% | -$262.5K | |
| 2025-02-19 | 2025-02-15 | MGNI | Soroca Adam Lee | Chief PRODUCT Off | F - Tax | $20.00 | -22.0K | 473.9K | -4% | -$439.5K | |
| 2025-02-19 | 2025-02-15 | MGNI | Buonasera David | CTO | F - Tax | $20.00 | -17.4K | 278.8K | -6% | -$347.7K | |
| 2025-02-19 | 2025-02-15 | MGNI | Evans Katie Seitz | Pres, Ops | F - Tax | $20.00 | -23.5K | 468.6K | -5% | -$469.6K | |
| 2025-02-19 | 2025-02-15 | MGNI | Day David | CFO | F - Tax | $20.00 | -31.1K | 457.4K | -6% | -$622.3K | |
| 2025-02-19 | 2025-02-15 | MGNI | BARRETT MICHAEL G. | CEO, Dir | F - Tax | $20.00 | -26.5K | 743.2K | -3% | -$530.0K | |
| 2025-02-19 | 2025-02-15 | MGNI | Buckley Sean Patrick | Pres, Revenue | F - Tax | $20.00 | -27.4K | 381.1K | -7% | -$548.9K | |
| 2025-02-19 | 2025-02-15 | MGNI | Gephart Brian | CAO | F - Tax | $20.00 | -6,749 | 139.2K | -5% | -$135.0K | |
| 2025-02-12 | 2025-02-10 | MGNI | Caine Paul | Dir | S - Sale | $20.35 | -5,000 | 182.8K | -3% | -$101.8K |
Purchase Sale Sale after option exercise All abbreviations