InsiderTrades

Form 4 for MGNI MAGNITE, INC.

Accepted 2025-08-20 00:00:00 ET · period of report 2025-08-18 · accession 0001415889-25-022452 · 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
2025-08-20 2025-08-18 MGNI Buonasera David CTO S - Sale $23.85 -7,834 241.6K -3% -$186.8K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-08-18 S D 7,834 $23.85 241,579 D — —