Huizenga Theodore Alan

Ultragenyx Pharmaceutical Inc · SVP

Huizenga Theodore Alan is listed in public filings as officer: SVP, Chief Accounting Officer. This Huizenga Theodore Alan insider trading page organizes Form 4 disclosures, reported purchases and sales, transaction dates, share amounts, related issuers, and historical insider activity so readers can review the person's public trading record in one place. Companies and tickers connected to this insider trading profile include Ultragenyx Pharmaceutical Inc (RARE). Investors use Huizenga Theodore Alan's insider trading disclosures to study buying and selling patterns, position changes, company-specific activity, and the source evidence behind each reported transaction.

Latest Actions

CompanyHolding ValueLast TransactionAmountTransaction PriceCurrent Price
Ultragenyx Pharmaceutical IncRARE--68.9k sharesGrant / ExerciseApr 22, 2026Disclosure amount unavailable20.2k shares----
Ultragenyx Pharmaceutical IncRARE$181k7.3k sharesGrant / ExerciseApr 22, 2026$180.8K7.3k shares$24.61--

Insider Trades History

CompanyHolding ValueLast TransactionAmountTransaction PriceCurrent Price
Ultragenyx Pharmaceutical IncRARE$1.2M50.3k sharesGrant / ExerciseMar 2, 2026$3.5K148 shares$23.39--
Ultragenyx Pharmaceutical IncRARE$1.1M48.7k sharesSellMar 2, 2026$37.2K1.6k shares$22.80--
Ultragenyx Pharmaceutical IncRARE$1.7M50.5k sharesSellDec 29, 2025$2.9K85 shares$34.38--
Ultragenyx Pharmaceutical IncRARE$1.5M50.2k sharesSellSep 18, 2025$1.9K64 shares$29.17--
Ultragenyx Pharmaceutical IncRARE$1.6M50.3k sharesSellSep 5, 2025$2.6K84 shares$31.39--
Ultragenyx Pharmaceutical IncRARE$2.1M50.3k sharesSellMar 3, 2025$40.7K967 shares$42.10--
Ultragenyx Pharmaceutical IncRARE$2.2M50.1k sharesGrant / ExerciseMar 3, 2025$6.1K141 shares$42.92--
Ultragenyx Pharmaceutical IncRARE$242k5.6k sharesGrant / ExerciseMar 1, 2025$241.7K5.6k shares$42.92--
Ultragenyx Pharmaceutical IncRARE--51.2k sharesGrant / ExerciseMar 1, 2025Disclosure amount unavailable9.4k shares----
Ultragenyx Pharmaceutical IncRARE--41.8k sharesGrant / ExerciseDec 10, 2024Disclosure amount unavailable648 shares----
Ultragenyx Pharmaceutical IncRARE--42.3k sharesGrant / ExerciseSep 16, 2024Disclosure amount unavailable700 shares----
Ultragenyx Pharmaceutical IncRARE$2.3M41.6k sharesSellSep 3, 2024$5.1K91 shares$56.19--
Huizenga Theodore Alan | TradingNote