Huizenga Theodore Alan sold RARE

September 15, 2026 · Form 4 insider transaction

Huizenga Theodore Alan sold 1,283 shares of Ultragenyx Pharmaceutical Inc. at $13.57 per share, a transaction worth $17.4K. The trade was recorded as open-market sale and disclosed on an SEC Form 4, filed 0 days after the transaction.

Direction
Disposed (sell-side)
Shares
1,283
Price
$13.57
Total value
$17.4K
RoleOfficer
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateSeptember 15, 2026
Filing dateSeptember 15, 2026
Shares owned after67,863
OwnershipDirect
10b5-1 planNo
AmendedNo

Footnotes

Includes previously reported shares of common stock underlying RSUs granted to the Reporting Person, which are subject to certain vesting conditions.

View the original Form 4 on SEC EDGAR