Brian Gephart

Companies

• Magnite IncChief Accounting Officer Jul 2, 2021 to now¹

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• Magnite Inc MGNI102,328 shares²$2.5M at $24.48Aug 15, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Aug 15, 2026Shares withheld for tax 3,789 shares at $24.73 of Magnite Inc²
• Aug 10, 2026Sold 12,479 shares at $24.68 of Magnite Inc³
• May 15, 2026Shares withheld for tax 3,789 shares at $12.82 of Magnite Inc⁴
• Feb 15, 2026Shares withheld for tax 6,149 shares at $11.70 of Magnite Inc⁵
• Jan 1, 2026Granted 39,185 shares of Magnite Inc⁶
• Nov 15, 2025Shares withheld for tax 3,549 shares at $14.15 of Magnite Inc⁷
• Sep 4, 2025Sold 27,671 shares at $24.71 of Magnite Inc⁸
• Aug 18, 2025Sold 2,961 shares at $23.85 of Magnite Inc⁹
• May 15, 2025Shares withheld for tax 3,045 shares at $15.88 of Magnite Inc¹⁰
• May 12, 2025Sold 6,334 shares at $16.16 of Magnite Inc¹¹
• Mar 3, 2025Sold 6,250 shares at $16.00 of Magnite Inc¹²
• Feb 15, 2025Shares withheld for tax 6,749 shares at $20.00 of Magnite Inc¹³
• Jan 2, 2025Granted 33,113 shares of Magnite Inc¹⁴
• Nov 18, 2024Sold 2,156 shares at $15.60 of Magnite Inc¹⁵
• Nov 15, 2024Shares withheld for tax 2,031 shares at $15.85 of Magnite Inc¹⁵
• Nov 11, 2024Sold 2,156 shares at $15.00 of Magnite Inc¹⁶
• Aug 15, 2024Shares withheld for tax 2,031 shares at $12.51 of Magnite Inc¹⁷
• Jul 15, 2024Sold 16,166 shares at $15.00 of Magnite Inc¹⁸
• May 15, 2024Shares withheld for tax 2,004 shares at $9.80 of Magnite Inc¹⁹
• Feb 15, 2024Shares withheld for tax 5,650 shares at $9.74 of Magnite Inc²⁰
• Jan 2, 2024Granted 50,667 shares of Magnite Inc²¹
• Nov 15, 2023Shares withheld for tax 1,100 shares at $7.89 of Magnite Inc²²
• Aug 16, 2023Sold 1,141 shares at $8.31 of Magnite Inc²³
• May 16, 2023Sold 1,237 shares at $10.88 of Magnite Inc²⁴
• Feb 15, 2023Shares withheld for tax 3,850 shares at $13.27 of Magnite Inc²⁵