Sean Patrick Buckley

Companies

• Magnite IncPresident Jan 13, 2025 to now¹
• Magnite IncChief Revenue Officer, CTV Jun 3, 2021 to now²

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 MGNI293,060 shares³$7.2M at $24.48Aug 18, 2026

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

Recent filings

• Aug 18, 2026Sold 2,759 shares at $25.00 of Magnite Inc³
• Aug 17, 2026Sold 8,271 shares at $24.31 of Magnite Inc³
• Aug 15, 2026Shares withheld for tax 11,715 shares at $24.73 of Magnite Inc³
• Aug 6, 2026Sold 19,237 shares at $23.00 of Magnite Inc⁴
• Aug 6, 2026Sold 47,942 shares at $25.09 of Magnite Inc⁴
• Aug 6, 2026Exercised options 28,703 shares at $13.90 of Magnite Inc⁴
• Jul 7, 2026Sold 19,233 shares at $21.03 of Magnite Inc⁵
• Jun 17, 2026Sold 19,233 shares at $19.00 of Magnite Inc⁶
• May 15, 2026Shares withheld for tax 12,019 shares at $12.82 of Magnite Inc⁷
• Feb 15, 2026Shares withheld for tax 26,942 shares at $11.70 of Magnite Inc⁸
• Jan 9, 2026Shares withheld for tax 30,369 shares at $16.17 of Magnite Inc⁹
• Jan 9, 2026Exercised options 64,125 shares of Magnite Inc⁹
• Jan 1, 2026Granted 127,273 shares of Magnite Inc¹⁰
• Nov 24, 2025Sold 2,213 shares at $14.50 of Magnite Inc¹¹
• Nov 18, 2025Sold 4,426 shares at $13.36 of Magnite Inc¹²
• Nov 15, 2025Shares withheld for tax 11,642 shares at $14.15 of Magnite Inc¹²
• Sep 9, 2025Sold 20,000 shares at $24.61 of Magnite Inc¹³
• Sep 8, 2025Sold 20,000 shares at $25.56 of Magnite Inc¹³
• Aug 19, 2025Sold 9,315 shares at $23.42 of Magnite Inc¹⁴
• Aug 18, 2025Sold 10,886 shares at $23.85 of Magnite Inc¹⁴
• May 16, 2025Sold 9,692 shares at $15.73 of Magnite Inc¹⁵
• May 15, 2025Shares withheld for tax 15,049 shares at $15.88 of Magnite Inc¹⁵
• Feb 19, 2025Sold 10,527 shares at $19.13 of Magnite Inc¹⁶
• Feb 15, 2025Shares withheld for tax 27,444 shares at $20.00 of Magnite Inc¹⁷
• Feb 7, 2025Sold 18,693 shares at $20.00 of Magnite Inc¹⁸