Gephart Brian, Chief Accounting Officer of Magnite, Inc. ($MGNI), sold shares on the open market three times in the last year, totaling about $857,000. His most recent sale occurred on September 4, 2025. These transactions rank 5,284th among 11,678 individual insiders by sale value, below the average of $8.6 million across 6.4 transactions per insider. Gephart Brian 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 | Gephart Brian | CHIEF ACCOUNTING OFFICER | F | Common Stock | 6149 | $11.70 | 122,385.0000 | 153,166,000 | 4.78% | 0.00% |
| Jan. 1, 2026 | MAGNITE, INC. | $MGNI | Gephart Brian | CHIEF ACCOUNTING OFFICER | A | Common Stock | 39185 | $0.00 | 128,534.0000 | 153,166,000 | 43.86% | 0.03% |
| Nov. 15, 2025 | MAGNITE, INC. | $MGNI | Gephart Brian | CHIEF ACCOUNTING OFFICER | F | Common Stock | 3549 | $14.15 | 89,349.0000 | 153,166,000 | 3.82% | 0.00% |
| Sept. 4, 2025 | MAGNITE, INC. | $MGNI | Gephart Brian | CHIEF ACCOUNTING OFFICER | S | Common Stock | 27671 | $24.71 | 92,898.0000 | 146,810,000 | 22.95% | 0.02% |
| Aug. 18, 2025 | MAGNITE, INC. | $MGNI | Gephart Brian | CHIEF ACCOUNTING OFFICER | S | Common Stock | 2961 | $23.85 | 120,569.0000 | 146,810,000 | 2.40% | 0.00% |
| May 15, 2025 | MAGNITE, INC. | $MGNI | Gephart Brian | CHIEF ACCOUNTING OFFICER | F | Common Stock | 3045 | $15.88 | 123,530.0000 | 146,810,000 | 2.41% | 0.00% |
| May 12, 2025 | MAGNITE, INC. | $MGNI | Gephart Brian | CHIEF ACCOUNTING OFFICER | S | Common Stock | 6334 | $16.16 | 126,575.0000 | 146,810,000 | 4.77% | 0.00% |
| March 3, 2025 | MAGNITE, INC. | $MGNI | Gephart Brian | CHIEF ACCOUNTING OFFICER | S | Common Stock | 6250 | $16.00 | 132,909.0000 | 146,810,000 | 4.49% | 0.00% |
| Feb. 15, 2025 | MAGNITE, INC. | $MGNI | Gephart Brian | CHIEF ACCOUNTING OFFICER | F | Common Stock | 6749 | $20.00 | 139,159.0000 | 146,810,000 | 4.63% | 0.00% |
| Jan. 2, 2025 | MAGNITE, INC. | $MGNI | Gephart Brian | CHIEF ACCOUNTING OFFICER | A | Common Stock | 33113 | $0.00 | 145,908.0000 | 146,810,000 | 29.36% | 0.02% |
| Nov. 15, 2024 | MAGNITE, INC. | $MGNI | Gephart Brian | CHIEF ACCOUNTING OFFICER | F | Common Stock | 2031 | $15.85 | 114,951.0000 | 148,697,000 | 1.74% | 0.00% |
| Nov. 18, 2024 | MAGNITE, INC. | $MGNI | Gephart Brian | CHIEF ACCOUNTING OFFICER | S | Common Stock | 2156 | $15.60 | 112,795.0000 | 148,697,000 | 1.88% | 0.00% |
| Nov. 11, 2024 | MAGNITE, INC. | $MGNI | Gephart Brian | CHIEF ACCOUNTING OFFICER | S | Common Stock | 2156 | $15.00 | 116,982.0000 | 148,697,000 | 1.81% | 0.00% |
| Aug. 15, 2024 | MAGNITE, INC. | $MGNI | Gephart Brian | CHIEF ACCOUNTING OFFICER | F | Common Stock | 2031 | $12.51 | 119,138.0000 | 136,620,000 | 1.68% | 0.00% |
| July 15, 2024 | MAGNITE, INC. | $MGNI | Gephart Brian | CHIEF ACCOUNTING OFFICER | S | Common Stock | 16166 | $15.00 | 121,169.0000 | 136,620,000 | 11.77% | 0.01% |
| May 15, 2024 | MAGNITE, INC. | $MGNI | Gephart Brian | CHIEF ACCOUNTING OFFICER | F | Common Stock | 2004 | $9.80 | 137,335.0000 | 136,620,000 | 1.44% | 0.00% |
| Feb. 15, 2024 | MAGNITE, INC. | $MGNI | Gephart Brian | CHIEF ACCOUNTING OFFICER | F | Common Stock | 5650 | $9.74 | 139,339.0000 | 136,620,000 | 3.90% | 0.00% |
| Jan. 2, 2024 | MAGNITE, INC. | $MGNI | Gephart Brian | Chief Accounting Officer | A | Common Stock | 50667 | $0.00 | 144,989.0000 | 136,620,000 | 53.72% | 0.04% |
| Nov. 15, 2023 | MAGNITE, INC. | $MGNI | Gephart Brian | Chief Accounting Officer | F | Common Stock | 1100 | $7.89 | 94,322.0000 | 132,887,000 | 1.15% | 0.00% |
| Aug. 16, 2023 | MAGNITE, INC. | $MGNI | Gephart Brian | Chief Accounting Officer | S | Common Stock | 1141 | $8.31 | 95,422.0000 | 132,887,000 | 1.18% | 0.00% |
| May 16, 2023 | MAGNITE, INC. | $MGNI | Gephart Brian | Chief Accounting Officer | S | Common Stock | 1237 | $10.88 | 96,563.0000 | 132,887,000 | 1.26% | 0.00% |
| Feb. 15, 2023 | MAGNITE, INC. | $MGNI | Gephart Brian | Chief Accounting Officer | F | Common Stock | 3850 | $13.27 | 97,800.0000 | 132,887,000 | 3.79% | 0.00% |
| Jan. 1, 2023 | MAGNITE, INC. | $MGNI | Gephart Brian | Chief Accounting Officer | A | Common Stock | 45167 | $0.00 | 101,650.0000 | 132,887,000 | 79.97% | 0.03% |