Form 4 Tracker
Brian Gephart

CHIEF ACCOUNTING OFFICER; CHIEF FINANCIAL OFFICER · 5 filings · Latest: Oct 1, 2026

MAGNITE, INC.
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
MGNI
Brian GephartCHIEF ACCOUNTING OFFICERAug 10, 2026
Sale
$24.6812,479$308.0K106,117
MGNI
BRIAN GEPHART—Aug 10, 2026
Proposed Sale
$24.6812,479$308.0K—
MGNI
BRIAN GEPHART—Sep 4, 2025
Proposed Sale
$24.7127,671$683.8K—
MGNI
Brian Gephart—Aug 18, 2025
Proposed Sale
$23.703,217$76.2K—
MGNI
Gephart Brian—May 12, 2025
Proposed Sale
$16.166,334$102.4K—
MGNI
Gephart Brian—Mar 3, 2025
Proposed Sale
$16.006,250$100.0K—
MGNI
BRIAN GEPHART—Nov 18, 2024
Proposed Sale
$15.602,156$33.6K—