Huang Dennis Karl sold RARE

March 2, 2026 · Form 4 insider transaction

Huang Dennis Karl sold 999 shares of Ultragenyx Pharmaceutical Inc. at $23.39 per share, a transaction worth $23.4K. The trade was recorded as shares withheld for taxes and disclosed on an SEC Form 4, filed 1 day after the transaction.

Direction
Disposed (sell-side)
Shares
999
Price
$23.39
Total value
$23.4K
RoleOfficer
SecurityCommon Stock
Transaction codeF: Shares withheld for taxes
Transaction dateMarch 2, 2026
Filing dateMarch 3, 2026
Shares owned after124,729
OwnershipDirect
10b5-1 planNo
AmendedNo

Footnotes

Represents shares surrendered to the Issuer by the Reporting Person to pay required tax withholdings due to the vesting of RSUs.; 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