Evans Katie Seitz, President of Operations at Magnite Inc. ($MGNI), sold shares on the open market seven times in the last year, totaling $2.56 million. Her most recent sale occurred on August 27, 2025. These sales rank her 3,000th among 11,678 insiders in our database by total value sold, below the average of $8.6 million across 6.37 transactions per insider. She made no open market purchases during 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 | Evans Katie Seitz | President, Operations | F | Common Stock | 27428 | $11.70 | 508,044.0000 | 153,166,000 | 5.12% | 0.02% |
| Jan. 9, 2026 | MAGNITE, INC. | $MGNI | Evans Katie Seitz | President, Operations | M | Common Stock | 51300 | $0.00 | 562,308.0000 | 153,166,000 | 10.04% | 0.03% |
| Jan. 9, 2026 | MAGNITE, INC. | $MGNI | Evans Katie Seitz | President, Operations | F | Common Stock | 26836 | $16.17 | 535,472.0000 | 153,166,000 | 4.77% | 0.02% |
| Jan. 9, 2026 | MAGNITE, INC. | $MGNI | Evans Katie Seitz | President, Operations | M | Performance Stock Units | 51300 | $0.00 | 0.0000 | 153,166,000 | 100.00% | 0.03% |
| Jan. 1, 2026 | MAGNITE, INC. | $MGNI | Evans Katie Seitz | President, Operations | A | Common Stock | 127273 | $0.00 | 511,008.0000 | 153,166,000 | 33.17% | 0.08% |
| Jan. 1, 2026 | MAGNITE, INC. | $MGNI | Evans Katie Seitz | President, Operations | A | Performance Stock Units | 42757 | $0.00 | 42,757.0000 | 153,166,000 | 9999.99% | 0.03% |
| Nov. 15, 2025 | MAGNITE, INC. | $MGNI | Evans Katie Seitz | President, Operations | F | Common Stock | 10354 | $14.15 | 383,735.0000 | 153,166,000 | 2.63% | 0.01% |
| Aug. 27, 2025 | MAGNITE, INC. | $MGNI | Evans Katie Seitz | President, Operations | S | Common Stock | 21509 | $25.52 | 394,089.0000 | 146,810,000 | 5.18% | 0.01% |
| Aug. 25, 2025 | MAGNITE, INC. | $MGNI | Evans Katie Seitz | President, Operations | S | Common Stock | 8345 | $26.00 | 415,598.0000 | 146,810,000 | 1.97% | 0.01% |
| Aug. 18, 2025 | MAGNITE, INC. | $MGNI | Evans Katie Seitz | President, Operations | S | Common Stock | 10487 | $23.85 | 423,943.0000 | 146,810,000 | 2.41% | 0.01% |
| June 30, 2025 | MAGNITE, INC. | $MGNI | Evans Katie Seitz | President, Operations | S | Common Stock | 16137 | $24.00 | 434,430.0000 | 146,810,000 | 3.58% | 0.01% |
| June 30, 2025 | MAGNITE, INC. | $MGNI | Evans Katie Seitz | President, Operations | M | Stock Option (Right to Buy) | 16137 | $0.00 | 0.0000 | 146,810,000 | 100.00% | 0.01% |
| June 30, 2025 | MAGNITE, INC. | $MGNI | Evans Katie Seitz | President, Operations | M | Common Stock | 16137 | $3.61 | 458,925.0000 | 146,810,000 | 3.64% | 0.01% |
| June 30, 2025 | MAGNITE, INC. | $MGNI | Evans Katie Seitz | President, Operations | S | Common Stock | 8358 | $22.00 | 450,567.0000 | 146,810,000 | 1.82% | 0.01% |
| June 16, 2025 | MAGNITE, INC. | $MGNI | Evans Katie Seitz | President, Operations | M | Common Stock | 20000 | $3.61 | 462,788.0000 | 146,810,000 | 4.52% | 0.01% |
| June 16, 2025 | MAGNITE, INC. | $MGNI | Evans Katie Seitz | President, Operations | S | Common Stock | 20000 | $18.50 | 442,788.0000 | 146,810,000 | 4.32% | 0.01% |
| June 16, 2025 | MAGNITE, INC. | $MGNI | Evans Katie Seitz | President, Operations | M | Stock Option (Right to Buy) | 20000 | $0.00 | 16,137.0000 | 146,810,000 | 55.34% | 0.01% |
| June 5, 2025 | MAGNITE, INC. | $MGNI | Evans Katie Seitz | President, Operations | M | Common Stock | 20000 | $3.61 | 477,788.0000 | 146,810,000 | 4.37% | 0.01% |
| June 5, 2025 | MAGNITE, INC. | $MGNI | Evans Katie Seitz | President, Operations | S | Common Stock | 35000 | $17.36 | 442,788.0000 | 146,810,000 | 7.33% | 0.02% |
| June 5, 2025 | MAGNITE, INC. | $MGNI | Evans Katie Seitz | President, Operations | M | Stock Option (Right to Buy) | 20000 | $0.00 | 36,137.0000 | 146,810,000 | 35.63% | 0.01% |
| May 15, 2025 | MAGNITE, INC. | $MGNI | Evans Katie Seitz | President, Operations | F | Common Stock | 10860 | $15.88 | 457,788.0000 | 146,810,000 | 2.32% | 0.01% |
| Feb. 15, 2025 | MAGNITE, INC. | $MGNI | Evans Katie Seitz | President, Operations | F | Common Stock | 23481 | $20.00 | 468,648.0000 | 146,810,000 | 4.77% | 0.02% |
| Feb. 7, 2025 | MAGNITE, INC. | $MGNI | Evans Katie Seitz | President, Operations | S | Common Stock | 12520 | $20.00 | 492,129.0000 | 146,810,000 | 2.48% | 0.01% |
| Jan. 9, 2025 | MAGNITE, INC. | $MGNI | Evans Katie Seitz | President, Operations | A | Performance Stock Units | 41566 | $0.00 | 41,566.0000 | 146,810,000 | 9999.99% | 0.03% |
| Jan. 9, 2025 | MAGNITE, INC. | $MGNI | Evans Katie Seitz | President, Operations | A | Common Stock | 123479 | $0.00 | 504,649.0000 | 146,810,000 | 32.39% | 0.08% |
| Nov. 15, 2024 | MAGNITE, INC. | $MGNI | Evans Katie Seitz | CHIEF OPERATING OFFICER | F | Common Stock | 7483 | $15.85 | 381,170.0000 | 148,697,000 | 1.93% | 0.01% |
| Nov. 11, 2024 | MAGNITE, INC. | $MGNI | Evans Katie Seitz | CHIEF OPERATING OFFICER | S | Common Stock | 12824 | $16.00 | 388,653.0000 | 148,697,000 | 3.19% | 0.01% |
| Aug. 15, 2024 | MAGNITE, INC. | $MGNI | Evans Katie Seitz | CHIEF OPERATING OFFICER | F | Common Stock | 7483 | $12.51 | 401,477.0000 | 136,620,000 | 1.83% | 0.01% |
| June 13, 2024 | MAGNITE, INC. | $MGNI | Evans Katie Seitz | CHIEF OPERATING OFFICER | S | Common Stock | 14541 | $13.77 | 408,960.0000 | 136,620,000 | 3.43% | 0.01% |
| May 15, 2024 | MAGNITE, INC. | $MGNI | Evans Katie Seitz | CHIEF OPERATING OFFICER | F | Common Stock | 9448 | $9.80 | 423,501.0000 | 136,620,000 | 2.18% | 0.01% |
| Feb. 15, 2024 | MAGNITE, INC. | $MGNI | Evans Katie Seitz | CHIEF OPERATING OFFICER | F | Common Stock | 23105 | $9.74 | 432,949.0000 | 136,620,000 | 5.07% | 0.02% |
| Jan. 2, 2024 | MAGNITE, INC. | $MGNI | Evans Katie Seitz | Chief Operating Officer | A | Performance Stock Units | 40602 | $0.00 | 40,602.0000 | 136,620,000 | 9999.99% | 0.03% |
| Jan. 2, 2024 | MAGNITE, INC. | $MGNI | Evans Katie Seitz | Chief Operating Officer | A | Common Stock | 113821 | $0.00 | 456,054.0000 | 136,620,000 | 33.26% | 0.08% |
| Nov. 15, 2023 | MAGNITE, INC. | $MGNI | Evans Katie Seitz | Chief Operating Officer | F | Common Stock | 6800 | $7.89 | 342,233.0000 | 132,887,000 | 1.95% | 0.01% |
| Aug. 16, 2023 | MAGNITE, INC. | $MGNI | Evans Katie Seitz | Chief Operating Officer | S | Common Stock | 7038 | $8.31 | 349,033.0000 | 132,887,000 | 1.98% | 0.01% |
| July 11, 2023 | MAGNITE, INC. | $MGNI | Evans Katie Seitz | Chief Operating Officer | S | Common Stock | 17774 | $15.00 | 356,071.0000 | 132,887,000 | 4.75% | 0.01% |
| June 12, 2023 | MAGNITE, INC. | $MGNI | Evans Katie Seitz | Chief Operating Officer | S | Common Stock | 11098 | $13.43 | 373,845.0000 | 132,887,000 | 2.88% | 0.01% |
| May 16, 2023 | MAGNITE, INC. | $MGNI | Evans Katie Seitz | Chief Operating Officer | S | Common Stock | 7450 | $10.88 | 384,943.0000 | 132,887,000 | 1.90% | 0.01% |
| March 1, 2023 | MAGNITE, INC. | $MGNI | Evans Katie Seitz | Chief Operating Officer | S | Common Stock | 78155 | $10.99 | 392,393.0000 | 132,887,000 | 16.61% | 0.06% |
| Feb. 15, 2023 | MAGNITE, INC. | $MGNI | Evans Katie Seitz | Chief Operating Officer | F | Common Stock | 16067 | $13.27 | 470,548.0000 | 132,887,000 | 3.30% | 0.01% |
| Feb. 14, 2023 | MAGNITE, INC. | $MGNI | Evans Katie Seitz | Chief Operating Officer | F | Common Stock | 6819 | $11.82 | 486,615.0000 | 132,887,000 | 1.38% | 0.01% |
| Jan. 1, 2023 | MAGNITE, INC. | $MGNI | Evans Katie Seitz | Chief Operating Officer | A | Performance Stock Units | 40602 | $0.00 | 40,602.0000 | 132,887,000 | 9999.99% | 0.03% |
| Jan. 1, 2023 | MAGNITE, INC. | $MGNI | Evans Katie Seitz | Chief Operating Officer | A | Common Stock | 113821 | $0.00 | 493,434.0000 | 132,887,000 | 29.98% | 0.09% |