InsiderTrades

Form 4 for MGNI MAGNITE, INC.

Accepted 2026-02-18 00:00:00 ET · period of report 2026-02-15 · accession 0001700262-26-000003 · 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
2026-02-18 2026-02-15 MGNI Evans Katie Seitz Pres, Ops F - Tax $11.70 -27.4K 508.0K -5% -$320.9K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-02-15 F D 27,428 $11.70 508,044 D — —