Form 4 Tracker
David Buonasera

CHIEF TECHNOLOGY OFFICER · 10 filings · Latest: Sep 14, 2026

MAGNITE, INC.
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
MGNI
DAVID BUONASERA—Sep 3, 2025
Proposed Sale
$25.372,950$74.8K—
MGNI
David Buonasera—Aug 18, 2025
Proposed Sale
$23.708,510$201.7K—
MGNI
DAVID BUONASERA—Jun 30, 2025
Proposed Sale
$22.009,289$204.4K—
MGNI
DAVID BUONASERA—May 27, 2025
Proposed Sale
$16.008,742$139.9K—
MGNI
DAVID BUONASERA—May 23, 2025
Proposed Sale
$15.033,653$54.9K—
MGNI
DAVID BUONASERA—Dec 13, 2024
Proposed Sale
$16.311,969$32.1K—
MGNI
DAVID BUONASERA—Nov 27, 2024
Proposed Sale
$16.78431$7.2K—
MGNI
DAVID BUONASERA—Nov 22, 2024
Proposed Sale
$17.009,219$156.7K—
MGNI
DAVID BUONASERA—Nov 18, 2024
Proposed Sale
$15.77277$4.4K—
MGNI
DAVID BUONASERA—Nov 14, 2024
Proposed Sale
$16.4112,412$203.7K—

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