RARE Ultragenyx Pharmaceutical Inc.
Ultragenyx Pharmaceutical Inc. (RARE) Insider Activity
What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.
How much of that selling was preplanned? 0% planned / 100% discretionary
Largest single sale: $155.6K.
Where they traded
No open-market insider purchase on record.
Recent open-market activity
| Date | Insider | Role | Action | Shares | Price | Value | Held after |
|---|---|---|---|---|---|---|---|
| Huizenga Theodore Alan | SVP, Chief Accounting Officer | Sell | 161 | $13.99 | $2.3K | 69,146 −0.2% of holding | |
| Horn Howard | Chief Financial Officer | Sell | 4,696 | $24.92 | $117.0K | 96,295 −4.6% of holding | |
| Parschauer Karah Herdman | EVP and Chief Legal Officer | Sell | 1,900 | $24.92 | $47.3K | 92,562 −2% of holding | |
| Horn Howard | Chief Financial Officer | Sell | 4,698 | $33.13 | $155.6K | 100,991 −4.4% of holding | |
| Sanders Corazon (Corsee) D. | Director | Sell | 2,000 | $25.05 | $50.1K | 21,095 −8.7% of holding | |
| Parschauer Karah Herdman | EVP and Chief Legal Officer | Sell | 1,899 | $24.62 | $46.8K | 94,462 −2% of holding | |
| Horn Howard | Chief Financial Officer | Sell | 4,653 | $23.77 | $110.6K | 105,689 −4.2% of holding | |
| SULIMAN SHEHNAAZ | Director | Sell | 5,740 | $25.12 | $144.2K | 27,951 −17% of holding | |
| Crombez Eric | EVP and Chief Medical Officer | Sell | 344 | $24.96 | $8.6K | 111,189 −0.3% of holding | |
| Horn Howard | Chief Financial Officer | Sell | 4,683 | $24.90 | $116.6K | 110,342 −4.1% of holding | |
| Horn Howard | Chief Financial Officer | Sell | 4,683 | $20.97 | $98.2K | 80,351 −5.5% of holding |
Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.