InsiderTrades

Form 4 for MGNI MAGNITE, INC.

Accepted 2025-07-02 00:00:00 ET · period of report 2025-06-30 · accession 0001415889-25-019025 · 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
D 2025-07-02 2025-06-30 MGNI Evans Katie Seitz Pres, Ops M - OptEx $3.61 +16.1K 458.9K +4% +$58.3K
DM 2025-07-02 2025-06-30 MGNI Evans Katie Seitz Pres, Ops S - Sale+OE $23.32 -24.5K 450.6K -5% -$571.2K
D 2025-07-02 2025-06-30 MGNI Evans Katie Seitz Pres, Ops M - OptEx $0.00 -16.1K 0 -100% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-06-30 M A 16,137 $3.61 458,925 D — —
2 Common Common Stock 2025-06-30 S D 16,137 $24.00 434,430 D — —
3 Common Common Stock 2025-06-30 S D 8,358 $22.00 450,567 D — —
4 Derivative Stock Option (Right to Buy) 2025-06-30 M D 16,137 $0.00 0 D $3.61 · — to 2028-02-26 16,137 Common Stock (F3) Granted as compensation for services. (F2) 25% of the total number of shares underlying this option vested on February 14, 2019 and the remaining shares vested 1/36 per month over the next 36 months thereafter.