See how company executives and directors have been buying or selling shares over the past 30 days. Insider trading activity can help investors better understand company leadership's actions.
No Insider Transactions found for Ultragenyx Pharmaceutical Inc.
Browse insider buying and selling activity reported to the SEC over the past year, including who traded, when they traded, and the value of each transaction.
DATE INSIDER |
INSIDER | TYPE | SHARES | PRICE | SHARES PRICE VALUE |
|---|---|---|---|---|---|
Sep 15, 2026 Huizenga Theodore Alan |
Huizenga Theodore Alan
SVP, Chief Accounting Officer
|
Sell |
1,283 | $13.57 | 1,283 $13.57 $17,410 |
Sep 03, 2026 Huizenga Theodore Alan |
Huizenga Theodore Alan
|
Sell |
161 | $13.99 | 161 $13.99 $2,252 |
Aug 03, 2026 Parschauer Karah Herdman |
Parschauer Karah Herdman
EVP and Chief Legal Officer
|
Sell |
1,900 | $24.92 | 1,900 $24.92 $47,348 |
Aug 03, 2026 Horn Howard |
Horn Howard
CFO
|
Sell |
4,696 | $24.92 | 4,696 $24.92 $117,024 |
Jul 01, 2026 Horn Howard |
Horn Howard
|
Sell |
4,698 | $33.13 | 4,698 $33.13 $155,645 |
Jun 15, 2026 Parschauer Karah Herdman |
Parschauer Karah Herdman
EVP and Chief Legal Officer
|
Sell |
1,899 | $24.62 | 1,899 $24.62 $46,753 |
Jun 15, 2026 Sanders Corazon (Corsee) D. |
Sanders Corazon (Corsee) D.
|
Sell |
2,000 | $25.05 | 2,000 $25.05 $50,100 |
Jun 01, 2026 Horn Howard |
Horn Howard
CFO
|
Sell |
4,653 | $23.77 | 4,653 $23.77 $110,602 |
May 18, 2026 SULIMAN SHEHNAAZ |
SULIMAN SHEHNAAZ
|
Sell |
5,740 | $25.12 | 5,740 $25.12 $144,189 |
May 05, 2026 Crombez Eric |
Crombez Eric
EVP and Chief Medical Officer
|
Sell |
344 | $24.96 | 344 $24.96 $8,586 |
May 05, 2026 Crombez Eric |
Crombez Eric
EVP and Chief Medical Officer
|
Sell |
344 | $24.96 | 344 $24.96 $8,586 |
May 01, 2026 Horn Howard |
Horn Howard
CFO
|
Sell |
4,683 | $24.90 | 4,683 $24.90 $116,607 |
Apr 01, 2026 Horn Howard |
Horn Howard
CFO
|
Sell |
4,683 | $20.97 | 4,683 $20.97 $98,203 |
Mar 02, 2026 KAKKIS EMIL D |
KAKKIS EMIL D
President & CEO
|
Sell |
54,404 | $22.80 | 54,404 $22.80 $1,240,411 |
Mar 02, 2026 Harris Erik |
Harris Erik
EVP & Chief Commercial Officer
|
Sell |
10,539 | $22.80 | 10,539 $22.80 $240,289 |
Mar 02, 2026 Pinion John Richard |
Pinion John Richard
See Remarks
|
Sell |
10,029 | $22.80 | 10,029 $22.80 $228,661 |
Feb 02, 2026 Horn Howard |
Horn Howard
CFO
|
Sell |
3,061 | $23.56 | 3,061 $23.56 $72,117 |
Dec 29, 2025 Huizenga Theodore Alan |
Huizenga Theodore Alan
SVP, Chief Accounting Officer
|
Sell |
85 | $34.38 | 85 $34.38 $2,922 |
Dec 10, 2025 Horn Howard |
Horn Howard
CFO
|
Sell |
3,081 | $36.38 | 3,081 $36.38 $112,087 |
View older insider trading records reported to the SEC to research long-term buying and selling trends.
DATE INSIDER |
INSIDER | TYPE | SHARES | PRICE | SHARES PRICE VALUE |
|---|---|---|---|---|---|
Oct 13, 2025 Horn Howard |
Horn Howard
CFO
|
Sell |
7,942 | $31.51 | 7,942 $31.51 $250,252 |
Sep 18, 2025 Huizenga Theodore Alan |
Huizenga Theodore Alan
SVP, Chief Accounting Officer
|
Sell |
64 | $29.17 | 64 $29.17 $1,867 |
Sep 12, 2025 Parschauer Karah Herdman |
Parschauer Karah Herdman
EVP and Chief Legal Officer
|
Sell |
2,450 | $31.17 | 2,450 $31.17 $76,367 |
Sep 05, 2025 Huizenga Theodore Alan |
Huizenga Theodore Alan
SVP, Chief Accounting Officer
|
Sell |
84 | $31.39 | 84 $31.39 $2,637 |
Jun 20, 2025 Sanders Corazon (Corsee) D. |
Sanders Corazon (Corsee) D.
|
Sell |
2,405 | $37.39 | 2,405 $37.39 $89,923 |
May 05, 2025 Crombez Eric |
Crombez Eric
EVP and Chief Medical Officer
|
Sell |
520 | $39.24 | 520 $39.24 $20,405 |
Apr 21, 2025 Crombez Eric |
Crombez Eric
EVP and Chief Medical Officer
|
Sell |
242 | $35.11 | 242 $35.11 $8,497 |
Mar 06, 2025 Horn Howard |
Horn Howard
CFO
|
Sell |
1,785 | $40.40 | 1,785 $40.40 $72,114 |
Mar 03, 2025 Pinion John Richard |
Pinion John Richard
See Remarks
|
Sell |
14,439 | $42.10 | 14,439 $42.10 $607,882 |
Mar 03, 2025 Harris Erik |
Harris Erik
EVP & Chief Commercial Officer
|
Sell |
15,103 | $42.10 | 15,103 $42.10 $635,836 |
Mar 03, 2025 Huizenga Theodore Alan |
Huizenga Theodore Alan
SVP, Chief Accounting Officer
|
Sell |
967 | $42.10 | 967 $42.10 $40,711 |
Mar 03, 2025 KAKKIS EMIL D |
KAKKIS EMIL D
President & CEO
|
Sell |
73,434 | $42.10 | 73,434 $42.10 $3,091,571 |
Mar 03, 2025 Crombez Eric |
Crombez Eric
EVP and Chief Medical Officer
|
Sell |
8,945 | $42.10 | 8,945 $42.10 $376,585 |
Mar 03, 2025 Parschauer Karah Herdman |
Parschauer Karah Herdman
EVP and Chief Legal Officer
|
Sell |
12,846 | $42.10 | 12,846 $42.10 $540,817 |
Mar 03, 2025 Kassberg Thomas Richard |
Kassberg Thomas Richard
CBO & EVP
|
Sell |
6,028 | $42.10 | 6,028 $42.10 $253,779 |
Feb 28, 2025 KAKKIS EMIL D |
KAKKIS EMIL D
President & CEO
|
Sell |
25,000 | $42.48 | 25,000 $42.48 $1,062,000 |
Feb 27, 2025 Parschauer Karah Herdman |
Parschauer Karah Herdman
EVP and Chief Legal Officer
|
Sell |
760 | $42.75 | 760 $42.75 $32,490 |
Feb 27, 2025 Parschauer Karah Herdman |
Parschauer Karah Herdman
EVP and Chief Legal Officer
|
Sell |
2,230 | $42.93 | 2,230 $42.93 $95,734 |
Dec 30, 2024 KAKKIS EMIL D |
KAKKIS EMIL D
President & CEO
|
Sell |
11,727 | $42.23 | 11,727 $42.23 $495,231 |
Dec 10, 2024 KAKKIS EMIL D |
KAKKIS EMIL D
President & CEO
|
Sell |
8,273 | $50.00 | 8,273 $50.00 $413,650 |
TOP
