Form 4 Tracker
Howard Horn

Chief Financial Officer · 6 filings · Latest: Jun 1, 2026

Ultragenyx Pharmaceutical Inc.
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
RARE
HOWARD HORNJul 1, 2026
Proposed Sale
$33.134,698$155.6K
RARE
Howard HornChief Financial OfficerJun 1, 2026
Sale
$23.774,653$110.6K105,689
RARE
HOWARD HORNJun 1, 2026
Proposed Sale
$23.774,653$110.6K
RARE
Howard HornChief Financial OfficerMay 1, 2026
Sale
$24.904,683$116.6K110,342
RARE
HOWARD HORNMay 1, 2026
Proposed Sale
$24.904,683$116.6K
RARE
Howard HornChief Financial OfficerApr 1, 2026
Sale
$20.974,683$98.2K80,351
RARE
HOWARD HORNApr 1, 2026
Proposed Sale
$20.974,683$98.2K
RARE
Howard HornChief Financial OfficerMar 3, 2026
Sale
$22.401,635$36.6K85,034
RARE
Howard HornChief Financial OfficerMar 2, 2026
Sale
$22.708,409$190.9K86,669
RARE
HOWARD HORNMar 3, 2026
Proposed Sale
$22.401,635$36.6K
RARE
HOWARD HORNMar 2, 2026
Proposed Sale
$22.543,119$70.3K
RARE
Howard HornChief Financial OfficerFeb 2, 2026
Sale
$23.563,061$72.1K88,935
RARE
HOWARD HORNFeb 2, 2026
Proposed Sale
$23.563,061$72.1K
RARE
HOWARD HORNJan 2, 2026
Proposed Sale
$22.843,150$71.9K
RARE
HOWARD HORNDec 10, 2025
Proposed Sale
$36.383,081$112.1K