Form 4 Tracker
Katie Seitz Evans

President, Operations; President, Product & Operations · 6 filings · Latest: Sep 11, 2026

MAGNITE, INC.
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
MGNI
Katie Seitz EvansPresident, Product & OperationsSep 11, 2026
Sale
$24.0013,997$335.9K441,800
MGNI
KATHERYN EVANS—Sep 11, 2026
Proposed Sale
$24.0013,997$335.9K—
MGNI
Katie Seitz EvansPresident, Product & OperationsSep 9, 2026
Sale
$23.4611,100$260.4K455,797
MGNI
Katie Seitz EvansPresident, Product & OperationsSep 8, 2026
Sale
$23.6332,285$762.9K466,897
MGNI
Katie Seitz EvansPresident, Product & OperationsSep 8, 2026
Option Exercise
$5.1613,546$69.9K499,182
MGNI
KATHERYN EVANS—Sep 9, 2026
Proposed Sale
$23.4611,100$260.4K—
MGNI
KATHERYN EVANS—Sep 8, 2026
Proposed Sale
$23.6332,285$762.9K—
MGNI
Katie Seitz EvansPresident, Product & OperationsAug 6, 2026
Sale
$24.0020,000$480.0K496,840
MGNI
Katie Seitz EvansPresident, Product & OperationsAug 6, 2026
Option Exercise
$5.1620,000$103.2K516,840
MGNI
KATHERYN EVANS—Aug 6, 2026
Proposed Sale
$24.0020,000$480.0K—
MGNI
KATHERYN EVANS—Aug 27, 2025
Proposed Sale
$25.5221,509$549.0K—
MGNI
KATHERYN EVANS—Aug 25, 2025
Proposed Sale
$26.008,345$217.0K—
MGNI
Katie Seitz Evans—Aug 18, 2025
Proposed Sale
$23.7011,391$270.0K—
MGNI
KATHERYN EVANS—Jun 30, 2025
Proposed Sale
$23.3224,495$571.2K—
MGNI
KATHERYN EVANS—Jun 16, 2025
Proposed Sale
$18.5020,000$370.0K—
MGNI
KATHERYN EVANS—Jun 5, 2025
Proposed Sale
$17.3635,000$607.7K—
MGNI
KATHERYN EVANS—Feb 7, 2025
Proposed Sale
$20.0012,520$250.4K—
MGNI
KATHERYN EVANS—Nov 11, 2024
Proposed Sale
$16.0012,825$205.2K—