LIVE FROM THE DATABASETRANSACTIONS 362,430COMPANIES 5,763LATEST TRADE Oct 16UPDATED Oct 17, 12:31 AM
RARECIK 0001515673

Ultragenyx Pharmaceutical Inc.

64 transactions by 15 insiders, from January 2, 2026 to September 15, 2026.

Transactions
6415 insiders
Bought · P
Nonenobody bought on the open market
Sold · S
$3.6Mopen market
Net
−$3.6Mnet selling

Officers and directors

People inside the company. What they do with their own shares is the reason this data exists.

InsiderTradesPlannedBoughtSold
Howard HornCFO1311/13—$970K
Karah Herdman ParschauerGC82/8—$488K
Theodore Alan HuizengaCAO61/6—$57K
Eric CrombezCMO5——$169K
Emil D. KakkisCEO4——$1.2M
Dennis Karl HuangOfficer4———
John Richard PinionOfficer4——$229K
Erik HarrisChief4——$240K
Corazon (Corsee) D. SandersDir3——$50K
Shehnaaz SulimanDir33/3—$144K
Amrit RayDir2———
Deborah DunsireDir2———
Michael NarachiDir2———
Matthew K. FustDir2———
Daniel G. WelchDir2———

All transactions

64 in total, newest filings first.

InsiderDateCodeSharesPriceValue
Theodore Alan HuizengaCAOSep 15SPLAN1,283$13.57$17K
Theodore Alan HuizengaCAOSep 3S161$13.99$2K
Karah Herdman ParschauerGCAug 3SPLAN1,900$24.92$47K
Howard HornCFOAug 3SPLAN4,696$24.92$117K
Howard HornCFOJul 1SPLAN4,698$33.13$156K
Corazon (Corsee) D. SandersDirJun 15S2,000$25.05$50K
Karah Herdman ParschauerGCJun 15SPLAN1,899$24.62$47K
Howard HornCFOJun 1SPLAN4,653$23.77$111K
Daniel G. WelchDirDERIVMay 14A14,058$0.00—?
Daniel G. WelchDirMay 14A7,751$0.00—
Corazon (Corsee) D. SandersDirDERIVMay 14A14,058$0.00—?
Corazon (Corsee) D. SandersDirMay 14A7,751$0.00—
Shehnaaz SulimanDirDERIVMay 14APLAN14,058$0.00—?
Shehnaaz SulimanDirMay 18SPLAN5,740$25.12$144K
Shehnaaz SulimanDirMay 14APLAN7,751$0.00—
Amrit RayDirDERIVMay 14A14,058$0.00—?
Amrit RayDirMay 14A7,751$0.00—
Michael NarachiDirDERIVMay 14A14,058$0.00—?
Michael NarachiDirMay 14A7,751$0.00—
Matthew K. FustDirDERIVMay 14A14,058$0.00—?
Matthew K. FustDirMay 14A7,751$0.00—
Deborah DunsireDirDERIVMay 14A14,058$0.00—?
Deborah DunsireDirMay 14A7,751$0.00—
Eric CrombezCMOMay 5S344$24.96$9K
Howard HornCFOMay 1SPLAN4,683$24.90$117K
Theodore Alan HuizengaCAODERIVApr 22A7,348$0.00—?
Theodore Alan HuizengaCAOApr 22A20,241$0.00—
John Richard PinionOfficerDERIVApr 16A79,936$0.00—?
John Richard PinionOfficerApr 16A23,116$0.00—
Karah Herdman ParschauerGCDERIVApr 16A49,960$0.00—?
Karah Herdman ParschauerGCApr 16A28,895$0.00—
Emil D. KakkisCEODERIVApr 16A132,693$0.00—?
Emil D. KakkisCEOApr 16A76,745$0.00—
Dennis Karl HuangOfficerDERIVApr 16A79,936$0.00—?
Dennis Karl HuangOfficerApr 16A23,116$0.00—
Howard HornCFODERIVApr 16A59,952$0.00—?
Howard HornCFOApr 16A34,674$0.00—
Erik HarrisChiefDERIVApr 16A49,960$0.00—?
Erik HarrisChiefApr 16A28,895$0.00—
Eric CrombezCMODERIVApr 16A59,952$0.00—?
Eric CrombezCMOApr 16A34,674$0.00—
Howard HornCFOApr 1SPLAN4,683$20.97$98K
Karah Herdman ParschauerGCMar 10S3,508$22.67$80K
Karah Herdman ParschauerGCMar 6S6,018$21.40$129K
John Richard PinionOfficerMar 2S10,029$22.80$229K
John Richard PinionOfficerMar 1A11,137$0.00—
Karah Herdman ParschauerGCMar 2S8,135$22.80$185K
Karah Herdman ParschauerGCMar 1A11,137$0.00—
Emil D. KakkisCEOMar 2S54,404$22.80$1.2M
Emil D. KakkisCEOMar 1A71,177$0.00—
Theodore Alan HuizengaCAOMar 2S1,632$22.80$37K
Theodore Alan HuizengaCAOMar 2F148$23.39$3K
Dennis Karl HuangOfficerMar 2F999$23.39$23K
Dennis Karl HuangOfficerMar 1A11,137$0.00—
Howard HornCFOMar 3SPLAN1,635$22.40$37K
Howard HornCFOMar 2SPLAN3,119$22.54$70K
Howard HornCFOMar 2SPLAN5,290$22.80$121K
Howard HornCFOMar 1APLAN6,143$0.00—
Erik HarrisChiefMar 2S10,539$22.80$240K
Erik HarrisChiefMar 1A11,643$0.00—
Eric CrombezCMOMar 2S7,029$22.80$160K
Eric CrombezCMOMar 1A11,643$0.00—
Howard HornCFOFeb 2SPLAN3,061$23.56$72K
Howard HornCFOJan 2SPLAN3,150$22.84$72K