Form 4 Tracker
David Day

CHIEF FINANCIAL OFFICER · 3 filings · Latest: Aug 13, 2026

MAGNITE, INC.
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
MGNI
David DayAug 18, 2025
Proposed Sale
$23.7014,518$344.1K
MGNI
DAVID DAYJun 30, 2025
Proposed Sale
$22.0021,682$477.0K
MGNI
DAVID DAYJun 26, 2025
Proposed Sale
$20.9536,000$754.2K
MGNI
DAVID DAYJun 24, 2025
Proposed Sale
$19.9535,000$698.3K
MGNI
DAVID DAYJun 18, 2025
Proposed Sale
$18.9538,146$722.9K
MGNI
DAVID DAYFeb 7, 2025
Proposed Sale
$20.0039,000$780.0K
MGNI
DAVID DAYFeb 6, 2025
Proposed Sale
$18.3513,245$243.0K
MGNI
DAVID DAYJan 3, 2025
Proposed Sale
$17.0013,345$226.9K
MGNI
DAVID DAYDec 17, 2024
Proposed Sale
$16.3213,500$220.3K
MGNI
DAVID DAYDec 16, 2024
Proposed Sale
$16.4411,644$191.4K