Horn Howard
Chief Financial Officer
Sale
Calculated transaction value
$107.9K
7,066 shares @ $15.27
Traded
Oct 15, 2026
Filed
Oct 19, 2026
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Ultragenyx Pharmaceutical Inc
RARE
ManufacturingChemicals
Transactions reported in official disclosures
Price with disclosed trades
Daily closes, past year · marks sit on transaction dates, sized by value
9 trades
| Reporting person | Filed | Transaction | Transaction value | Source | Actions |
|---|---|---|---|---|---|
| Horn Howard Chief Financial Officer | Oct 19, 2026 4-day lag | Sale Oct 15, 2026 | $107.9K Filed shares x price | SEC Form 4 View filing | |
| Huizenga Theodore Alan SVP, Chief Accounting Officer | Sep 15, 2026 Same-day filing | Sale Sep 15, 2026 | $17.41K Filed shares x price | SEC Form 4 View filing | |
| Huizenga Theodore Alan SVP, Chief Accounting Officer | Sep 8, 2026 5-day lag | Sale Sep 3, 2026 | $2.25K Filed shares x price | SEC Form 4 View filing | |
| Parschauer Karah Herdman EVP And Chief Legal Officer | Aug 4, 2026 1-day lag | Sale Aug 3, 2026 | $47.35K Filed shares x price | SEC Form 4 View filing | |
| Horn Howard Chief Financial Officer | Aug 4, 2026 1-day lag | Sale Aug 3, 2026 | $117.02K Filed shares x price | SEC Form 4 View filing | |
| Horn Howard Chief Financial Officer | Jul 6, 2026 5-day lag | Sale Jul 1, 2026 | $155.64K Filed shares x price | SEC Form 4 View filing | |
| Sanders Corazon (corsee) D. Director | Jun 15, 2026 Same-day filing | Sale Jun 15, 2026 | $50.1K Filed shares x price | SEC Form 4 View filing | |
| Parschauer Karah Herdman EVP And Chief Legal Officer | Jun 15, 2026 Same-day filing | Sale Jun 15, 2026 | $46.75K Filed shares x price | SEC Form 4 View filing | |
| Horn Howard Chief Financial Officer | Jun 1, 2026 Same-day filing | Sale Jun 1, 2026 | $110.6K Filed shares x price | SEC Form 4 View filing |
Huizenga Theodore Alan
SVP, Chief Accounting Officer
Sale
Calculated transaction value
$17.41K
1,283 shares @ $13.57
Traded
Sep 15, 2026
Filed
Sep 15, 2026
Huizenga Theodore Alan
SVP, Chief Accounting Officer
Sale
Calculated transaction value
$2.25K
161 shares @ $13.99
Traded
Sep 3, 2026
Filed
Sep 8, 2026
Parschauer Karah Herdman
EVP And Chief Legal Officer
Sale
Calculated transaction value
$47.35K
1,900 shares @ $24.92
Traded
Aug 3, 2026
Filed
Aug 4, 2026
Horn Howard
Chief Financial Officer
Sale
Calculated transaction value
$117.02K
4,696 shares @ $24.92
Traded
Aug 3, 2026
Filed
Aug 4, 2026
Horn Howard
Chief Financial Officer
Sale
Calculated transaction value
$155.64K
4,698 shares @ $33.13
Traded
Jul 1, 2026
Filed
Jul 6, 2026
Sanders Corazon (corsee) D.
Director
Sale
Calculated transaction value
$50.1K
2,000 shares @ $25.05
Traded
Jun 15, 2026
Filed
Jun 15, 2026
Parschauer Karah Herdman
EVP And Chief Legal Officer
Sale
Calculated transaction value
$46.75K
1,899 shares @ $24.62
Traded
Jun 15, 2026
Filed
Jun 15, 2026
Horn Howard
Chief Financial Officer
Sale
Calculated transaction value
$110.6K
4,653 shares @ $23.77
Traded
Jun 1, 2026
Filed
Jun 1, 2026