InsiderTrades

Form 4 for MGNI MAGNITE, INC.

Accepted 2025-06-06 00:00:00 ET · period of report 2025-06-05 · accession 0001415889-25-016038 · 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 2025-06-06 2025-06-05 MGNI Evans Katie Seitz Pres, Ops M - OptEx $3.61 +20.0K 477.8K +4% +$72.2K
D 2025-06-06 2025-06-05 MGNI Evans Katie Seitz Pres, Ops S - Sale+OE $17.36 -35.0K 442.8K -7% -$607.6K
D 2025-06-06 2025-06-05 MGNI Evans Katie Seitz Pres, Ops M - OptEx $0.00 -20.0K 36.1K -36% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-06-05 M A 20,000 $3.61 477,788 D — —
2 Common Common Stock 2025-06-05 S D 35,000 $17.36 442,788 D — — (F2) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $16.83 to $17.60 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.
3 Derivative Stock Option (Right to Buy) 2025-06-05 M D 20,000 $0.00 36,137 D $3.61 · — to 2028-02-26 20,000 Common Stock (F4) Granted as compensation for services. (F3) 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.