InsiderTrades

Form 4 for MGNI MAGNITE, INC.

Accepted 2026-01-05 00:00:00 ET · period of report 2026-01-01 · accession 0001778484-26-000001 · 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
2026-01-05 2026-01-01 MGNI Gephart Brian CAO A - Grant $0.00 +39.2K 128.5K +44% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-01-01 A A 39,185 $0.00 128,534 D — — (F1) Represents restricted stock units that vest as follows: 10,613 on February 15, 2027, 2.449 on each May 15, August 15, November 15, and February 15 thereafter until November 15, 2029 and 1,633 on February 15, 2030, subject to continued service to the Issuer through each vesting date. This equity grant may be subject to accelerated vesting in the event the Reporting Person's employment is terminated under certain circumstances. (F2) Equity grant under the Company's Amended and Restated 2014 Equity Incentive Plan.