Buckley Sean Patrick, President of Revenue at Magnite, Inc. ($MGNI), sold company shares on the open market seven times over the past year, totaling about $1.7 million. His most recent sale occurred on November 24, 2025. These MGNI insider sales rank 3,773rd among 11,678 individual insiders in our database, where the average is $8.6 million across roughly 6.4 transactions per person. Buckley made no open market purchases in this period.
| 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 | Buckley Sean Patrick | President, Revenue | F | Common Stock | 26942 | $11.70 | 402,999.0000 | 153,166,000 | 6.27% | 0.02% |
| Jan. 9, 2026 | MAGNITE, INC. | $MGNI | Buckley Sean Patrick | President, Revenue | M | Common Stock | 64125 | $0.00 | 460,310.0000 | 153,166,000 | 16.19% | 0.04% |
| Jan. 9, 2026 | MAGNITE, INC. | $MGNI | Buckley Sean Patrick | President, Revenue | M | Performance Stock Units | 64125 | $0.00 | 0.0000 | 153,166,000 | 100.00% | 0.04% |
| Jan. 9, 2026 | MAGNITE, INC. | $MGNI | Buckley Sean Patrick | President, Revenue | F | Common Stock | 30369 | $16.17 | 429,941.0000 | 153,166,000 | 6.60% | 0.02% |
| Jan. 1, 2026 | MAGNITE, INC. | $MGNI | Buckley Sean Patrick | President, Revenue | A | Common Stock | 127273 | $0.00 | 396,185.0000 | 153,166,000 | 47.33% | 0.08% |
| Jan. 1, 2026 | MAGNITE, INC. | $MGNI | Buckley Sean Patrick | President, Revenue | A | Performance Stock Units | 42757 | $0.00 | 42,757.0000 | 153,166,000 | 9999.99% | 0.03% |
| Nov. 24, 2025 | MAGNITE, INC. | $MGNI | Buckley Sean Patrick | President, Revenue | S | Common Stock | 2213 | $14.50 | 268,912.0000 | 153,166,000 | 0.82% | 0.00% |
| Nov. 15, 2025 | MAGNITE, INC. | $MGNI | Buckley Sean Patrick | President, Revenue | F | Common Stock | 11642 | $14.15 | 275,551.0000 | 153,166,000 | 4.05% | 0.01% |
| Nov. 18, 2025 | MAGNITE, INC. | $MGNI | Buckley Sean Patrick | President, Revenue | S | Common Stock | 4426 | $13.36 | 271,125.0000 | 153,166,000 | 1.61% | 0.00% |
| Sept. 9, 2025 | MAGNITE, INC. | $MGNI | Buckley Sean Patrick | President, Revenue | S | Common Stock | 20000 | $24.61 | 287,193.0000 | 146,810,000 | 6.51% | 0.01% |
| Sept. 8, 2025 | MAGNITE, INC. | $MGNI | Buckley Sean Patrick | President, Revenue | S | Common Stock | 20000 | $25.56 | 307,193.0000 | 146,810,000 | 6.11% | 0.01% |
| Aug. 19, 2025 | MAGNITE, INC. | $MGNI | Buckley Sean Patrick | President, Revenue | S | Common Stock | 9315 | $23.42 | 327,193.0000 | 146,810,000 | 2.77% | 0.01% |
| Aug. 18, 2025 | MAGNITE, INC. | $MGNI | Buckley Sean Patrick | President, Revenue | S | Common Stock | 10886 | $23.85 | 336,508.0000 | 146,810,000 | 3.13% | 0.01% |
| May 16, 2025 | MAGNITE, INC. | $MGNI | Buckley Sean Patrick | President, Revenue | S | Common Stock | 9692 | $15.73 | 347,394.0000 | 146,810,000 | 2.71% | 0.01% |
| May 15, 2025 | MAGNITE, INC. | $MGNI | Buckley Sean Patrick | President, Revenue | F | Common Stock | 15049 | $15.88 | 357,086.0000 | 146,810,000 | 4.04% | 0.01% |
| Feb. 19, 2025 | MAGNITE, INC. | $MGNI | Buckley Sean Patrick | President, Revenue | S | Common Stock | 10527 | $19.13 | 370,558.0000 | 146,810,000 | 2.76% | 0.01% |
| Feb. 15, 2025 | MAGNITE, INC. | $MGNI | Buckley Sean Patrick | President, Revenue | F | Common Stock | 27444 | $20.00 | 381,085.0000 | 146,810,000 | 6.72% | 0.02% |
| Feb. 7, 2025 | MAGNITE, INC. | $MGNI | Buckley Sean Patrick | President, Revenue | S | Common Stock | 18693 | $20.00 | 408,529.0000 | 146,810,000 | 4.38% | 0.01% |
| Jan. 9, 2025 | MAGNITE, INC. | $MGNI | Buckley Sean Patrick | President, Revenue | A | Common Stock | 123479 | $0.00 | 427,222.0000 | 146,810,000 | 40.65% | 0.08% |
| Jan. 9, 2025 | MAGNITE, INC. | $MGNI | Buckley Sean Patrick | President, Revenue | A | Performance Stock Units | 41566 | $0.00 | 41,566.0000 | 146,810,000 | 9999.99% | 0.03% |
| Nov. 15, 2024 | MAGNITE, INC. | $MGNI | Buckley Sean Patrick | CHIEF REVENUE OFFICER | F | Common Stock | 10133 | $15.85 | 313,744.0000 | 148,697,000 | 3.13% | 0.01% |
| Nov. 18, 2024 | MAGNITE, INC. | $MGNI | Buckley Sean Patrick | CHIEF REVENUE OFFICER | S | Common Stock | 10001 | $15.60 | 303,743.0000 | 148,697,000 | 3.19% | 0.01% |
| Nov. 11, 2024 | MAGNITE, INC. | $MGNI | Buckley Sean Patrick | CHIEF REVENUE OFFICER | S | Common Stock | 2619 | $15.50 | 323,877.0000 | 148,697,000 | 0.80% | 0.00% |
| Nov. 11, 2024 | MAGNITE, INC. | $MGNI | Buckley Sean Patrick | CHIEF REVENUE OFFICER | S | Common Stock | 2623 | $14.50 | 326,496.0000 | 148,697,000 | 0.80% | 0.00% |
| Aug. 20, 2024 | MAGNITE, INC. | $MGNI | Buckley Sean Patrick | CHIEF REVENUE OFFICER | S | Common Stock | 2623 | $13.50 | 329,119.0000 | 136,620,000 | 0.79% | 0.00% |
| Aug. 19, 2024 | MAGNITE, INC. | $MGNI | Buckley Sean Patrick | CHIEF REVENUE OFFICER | S | Common Stock | 2623 | $12.53 | 331,742.0000 | 136,620,000 | 0.78% | 0.00% |
| Aug. 15, 2024 | MAGNITE, INC. | $MGNI | Buckley Sean Patrick | CHIEF REVENUE OFFICER | F | Common Stock | 9646 | $12.51 | 334,365.0000 | 136,620,000 | 2.80% | 0.01% |
| July 16, 2024 | MAGNITE, INC. | $MGNI | Buckley Sean Patrick | CHIEF REVENUE OFFICER | S | Common Stock | 19604 | $15.50 | 344,011.0000 | 136,620,000 | 5.39% | 0.01% |
| July 15, 2024 | MAGNITE, INC. | $MGNI | Buckley Sean Patrick | CHIEF REVENUE OFFICER | S | Common Stock | 19607 | $14.50 | 363,615.0000 | 136,620,000 | 5.12% | 0.01% |
| June 5, 2024 | MAGNITE, INC. | $MGNI | Buckley Sean Patrick | CHIEF REVENUE OFFICER | S | Common Stock | 21653 | $13.50 | 383,222.0000 | 136,620,000 | 5.35% | 0.02% |
| May 24, 2024 | MAGNITE, INC. | $MGNI | Buckley Sean Patrick | CHIEF REVENUE OFFICER | S | Common Stock | 2682 | $12.50 | 404,875.0000 | 136,620,000 | 0.66% | 0.00% |
| May 15, 2024 | MAGNITE, INC. | $MGNI | Buckley Sean Patrick | CHIEF REVENUE OFFICER | F | Common Stock | 9407 | $9.80 | 421,210.0000 | 136,620,000 | 2.18% | 0.01% |
| May 16, 2024 | MAGNITE, INC. | $MGNI | Buckley Sean Patrick | CHIEF REVENUE OFFICER | S | Common Stock | 16925 | $12.50 | 407,557.0000 | 136,620,000 | 3.99% | 0.01% |
| Feb. 15, 2024 | MAGNITE, INC. | $MGNI | Buckley Sean Patrick | CHIEF REVENUE OFFICER | F | Common Stock | 24110 | $9.74 | 430,617.0000 | 136,620,000 | 5.30% | 0.02% |
| Jan. 2, 2024 | MAGNITE, INC. | $MGNI | Buckley Sean Patrick | Chief Revenue Officer | A | Performance Stock Units | 50752 | $0.00 | 50,752.0000 | 136,620,000 | 9999.99% | 0.04% |
| Jan. 2, 2024 | MAGNITE, INC. | $MGNI | Buckley Sean Patrick | Chief Revenue Officer | A | Common Stock | 142276 | $0.00 | 454,727.0000 | 136,620,000 | 45.54% | 0.10% |
| Nov. 15, 2023 | MAGNITE, INC. | $MGNI | Buckley Sean Patrick | Chief Revenue Officer | F | Common Stock | 5078 | $7.89 | 312,451.0000 | 132,887,000 | 1.60% | 0.00% |
| Aug. 16, 2023 | MAGNITE, INC. | $MGNI | Buckley Sean Patrick | Chief Revenue Officer | S | Common Stock | 5273 | $8.31 | 317,529.0000 | 132,887,000 | 1.63% | 0.00% |
| June 2, 2023 | MAGNITE, INC. | $MGNI | Buckley Sean Patrick | Chief Revenue Officer | S | Common Stock | 12219 | $12.99 | 322,802.0000 | 132,887,000 | 3.65% | 0.01% |
| May 16, 2023 | MAGNITE, INC. | $MGNI | Buckley Sean Patrick | Chief Revenue Officer | S | Common Stock | 5640 | $10.88 | 335,021.0000 | 132,887,000 | 1.66% | 0.00% |
| Feb. 15, 2023 | MAGNITE, INC. | $MGNI | Buckley Sean Patrick | Chief Revenue Officer | F | Common Stock | 15401 | $13.27 | 336,205.0000 | 132,887,000 | 4.38% | 0.01% |
| Jan. 1, 2023 | MAGNITE, INC. | $MGNI | Buckley Sean Patrick | Chief Revenue Officer | A | Performance Stock Units | 50752 | $0.00 | 50,752.0000 | 132,887,000 | 9999.99% | 0.04% |
| Jan. 1, 2023 | MAGNITE, INC. | $MGNI | Buckley Sean Patrick | Chief Revenue Officer | A | Common Stock | 142276 | $0.00 | 351,606.0000 | 132,887,000 | 67.97% | 0.11% |