Form 4 Tracker
Sean Patrick Buckley

President, Revenue; President, Revenue & Market Strategy · 5 filings · Latest: Aug 6, 2026

MAGNITE, INC.
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
MGNI
Sean Patrick BuckleyPresident, Revenue & Market StrategyAug 6, 2026
Sale
$24.4967,179$1.6M315,805
MGNI
Sean Patrick BuckleyPresident, Revenue & Market StrategyAug 6, 2026
Option Exercise
$13.9028,703$399.0K382,984
MGNI
SEAN BUCKLEYAug 6, 2026
Proposed Sale
$20.6767,179$1.4M
MGNI
Sean Patrick BuckleyPresident, Revenue & Market StrategyJul 7, 2026
Sale
$21.0319,233$404.5K354,281
MGNI
SEAN BUCKLEYJul 7, 2026
Proposed Sale
$20.8419,233$400.8K
MGNI
Sean Patrick BuckleyPresident, Revenue & Market StrategyJun 17, 2026
Sale
$19.0019,233$365.4K373,514
MGNI
SEAN BUCKLEYJun 17, 2026
Proposed Sale
$18.5519,233$356.8K
MGNI
SEAN P BUCKLEYNov 24, 2025
Proposed Sale
$14.502,213$32.1K
MGNI
SEAN P BUCKLEYNov 18, 2025
Proposed Sale
$13.364,426$59.1K
MGNI
SEAN BUCKLEYSep 9, 2025
Proposed Sale
$24.6120,000$492.1K
MGNI
SEAN BUCKLEYSep 8, 2025
Proposed Sale
$25.5620,000$511.2K
MGNI
SEAN P BUCKLEYAug 19, 2025
Proposed Sale
$23.429,315$218.2K
MGNI
Sean Patrick BuckleyAug 18, 2025
Proposed Sale
$23.7014,461$342.7K
MGNI
SEAN P BUCKLEYMay 16, 2025
Proposed Sale
$15.739,692$152.5K
MGNI
SEAN P BUCKLEYFeb 19, 2025
Proposed Sale
$19.1310,527$201.4K
MGNI
SEAN P BUCKLEYFeb 7, 2025
Proposed Sale
$20.0018,693$373.9K
MGNI
SEAN P BUCKLEYNov 18, 2024
Proposed Sale
$15.6010,001$156.0K
MGNI
SEAN P BUCKLEYNov 11, 2024
Proposed Sale
$15.005,242$78.6K