Form 4 Tracker
Theodore Alan Huizenga

SVP, Chief Accounting Officer · 4 filings · Latest: Sep 15, 2026

Ultragenyx Pharmaceutical Inc.
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
RARE
Theodore Alan HuizengaSVP, Chief Accounting OfficerSep 15, 2026
Sale
$13.571,283$17.4K67,863
RARE
THEODORE HUIZENGA—Sep 15, 2026
Proposed Sale
$13.611,283$17.5K—
RARE
Theodore Alan HuizengaSVP, Chief Accounting OfficerSep 3, 2026
Sale
$13.99161$2.3K69,146
RARE
Theodore Alan HuizengaSVP, Chief Accounting OfficerMar 2, 2026
Sale
$22.801,632$37.2K48,670