Spillane Robert F - Insider Non-Derivative Transactions at MAGNITE, INC. (MGNI) - (SEC)

Updated on January 3, 2026.

According to recent SEC insider information filed on Nov 21, 2025, Spillane Robert F's relationship to MAGNITE, INC. (MGNI) is Director, and currently has 53,917 shares of Common Stock.

The chart below shows the number of shares owned, and the table shows the recent insider transactions.

You can see similar information for other MGNI insiders.

Related Topics: SEC Topic List.

Data Source: SEC.

Spillane Robert F - Insider Non-Derivative Transactions of MGNI Common Stock

Spillane Robert F - Insider Non-Derivative Transactions at MGNI

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Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Nov 22, 2025	Sell -- (Common Stock)	12500	14.22	53917
Jun 11, 2025	Sell -- (Common Stock)	15000	17.57	66417
Jun 6, 2025	Acquisition -- (Common Stock)	10766	0	81417
Nov 21, 2024	Sell -- (Common Stock)	12500	16.12	70651
Jun 13, 2024	Acquisition -- (Common Stock)	14061	0	83151
Jun 12, 2024	Sell -- (Common Stock)	25000	13.04	69090
Aug 23, 2023	Sell -- (Common Stock)	25000	8.05	94090
Jun 15, 2023	Acquisition -- (Common Stock)	13743	0	119090