InsiderTrades

Form 4 for MGNI MAGNITE, INC.

Accepted 2025-09-04 00:00:00 ET · period of report 2025-09-03 · accession 0001415889-25-023710 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
2025-09-04 2025-09-03 MGNI Buonasera David CTO S - Sale $25.37 -2,950 238.6K -1% -$74.8K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-09-03 S D 2,950 $25.37 238,629 D — —