Ultragenyx Pharmaceutical Inc. (RARE) has 240 open-market insider trades by 30 insiders since 2006. Over the last six months insiders net sold $817K. The most active filer is Theodore Alan Huizenga, CAO & VP.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| Emil D. Kakkis | CEOPres | — | 28 | $47.3M | 2026-04-16 |
| James G. Coulter | — | — | 1 | $18.4M | 2014-07-14 |
| Shalini Sharp | PresCFOVP | — | 16 | $17.9M | 2020-10-14 |
| Karah Herdman Parschauer | CLOVP | — | 29 | $12.6M | 2026-08-03 |
| Camille L. Bedrosian | VP | — | 11 | $7.5M | 2023-03-01 |
| William Aliski | Dir | — | 11 | $7.1M | 2021-06-24 |
| Thomas Richard Kassberg | VP | — | 14 | $6.4M | 2025-03-03 |
| Clay B. Siegall | Dir | — | 1 | $5.9M | 2020-08-10 |
| John Richard Pinion | — | — | 12 | $5.0M | 2026-04-16 |
| Erik Harris | CCOVP | — | 14 | $3.8M | 2026-04-16 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Theodore Alan Huizenga | CAO & VP | Sell | $17K | 2026-09-15 |
| Theodore Alan Huizenga | CAO & VP | Sell | $2K | 2026-09-03 |
| Howard Horn | CFO | Sell | $117K | 2026-08-03 |
| Karah Herdman Parschauer | CLO & VP | Sell | $47K | 2026-08-03 |
| Howard Horn | CFO | Sell | $156K | 2026-07-01 |
| Karah Herdman Parschauer | CLO & VP | Sell | $47K |
Companies that share insiders with RARE, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| 2026-06-15 |
| Corazon (Corsee) D. Sanders | Director | Sell | $50K | 2026-06-15 |
| Howard Horn | CFO | Sell | $111K | 2026-06-01 |
| Shehnaaz Suliman | Director | Sell | $144K | 2026-05-18 |
| Eric Crombez | VP | Sell | $9K | 2026-05-05 |
| Howard Horn | CFO | Sell | $117K | 2026-05-01 |
| Howard Horn | CFO | Sell | $98K | 2026-04-01 |
| Karah Herdman Parschauer | CLO | Sell | $208K | 2026-03-06 |
| Karah Herdman Parschauer | CLO | Sell | $185K | 2026-03-02 |
| Howard Horn | CFO | Sell | $228K | 2026-03-02 |