Sign in

CIK 0001515673 · Large accelerated filer

Ultragenyx Pharmaceutical Inc.

Sign in to watch
Ticker
RARE
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
272546083
Phone
415-483-8800
Business address
60 LEVERONI COURT, NOVATO, CA, 94949
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$127,561
in 3 filings, $17K under 10b5-1 plans

Net −$127,561. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2026-04-16 Horn Howard Chief Financial Officer Grant or award +34,674 115,025
2026-04-16 Horn Howard Chief Financial Officer Grant or award · Stock Option (Right to Buy) +59,952 59,952
2026-04-01 Horn Howard Chief Financial Officer Sale 10b5-1 −4,683 $20.97 $98K 80,351
2026-03-10 Parschauer Karah Herdman EVP and Chief Legal Officer Sale −3,508 $22.67 $80K 66,820
2026-03-06 Parschauer Karah Herdman EVP and Chief Legal Officer Sale −6,018 $21.40 $129K 70,328
2026-03-03 Horn Howard Chief Financial Officer Sale 10b5-1 −1,635 $22.40 $37K 85,034
2026-03-02 Pinion John Richard See Remarks Sale −10,029 $22.80 $229K 110,026
2026-03-02 Harris Erik EVP & Chief Commercial Officer Sale −10,539 $22.80 $240K 89,515
2026-03-02 KAKKIS EMIL D President & CEO Sale −54,404 $22.80 $1.2M 658,994
2026-03-02 Parschauer Karah Herdman EVP and Chief Legal Officer Sale −8,135 $22.80 $185K 76,346
2026-03-02 Huizenga Theodore Alan SVP, Chief Accounting Officer Shares withheld for taxes −148 $23.39 $3K 50,302
2026-03-02 Huizenga Theodore Alan SVP, Chief Accounting Officer Sale −1,632 $22.80 $37K 48,670
2026-03-02 Horn Howard Chief Financial Officer Sale 10b5-1 −5,290 $22.80 $121K 89,788
2026-03-02 Horn Howard Chief Financial Officer Sale 10b5-1 −3,119 $22.54 $70K 86,669
2026-03-02 Crombez Eric EVP and Chief Medical Officer Sale −7,029 $22.80 $160K 76,301
2026-03-02 Huang Dennis Karl See Remarks Shares withheld for taxes −999 $23.39 $23K 124,729
2026-03-01 Pinion John Richard See Remarks Grant or award +11,137 119,565
2026-03-01 Harris Erik EVP & Chief Commercial Officer Grant or award +11,643 99,498
2026-03-01 KAKKIS EMIL D President & CEO Grant or award +71,177 712,908
2026-03-01 Parschauer Karah Herdman EVP and Chief Legal Officer Grant or award +11,137 84,408

Page 3 of 11 · 204 trades