| Insiders | Shares | % | Avg Price | Total $ | |
|---|---|---|---|---|---|
| Buys | 1 | +1,238 | 100% | $16.56 | +$20,499 |
| Sells | 0 | ||||
| Net | +1 | +1,238 | 100% | +$20,499 |
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Report Date |
|---|---|---|---|---|---|
| Ultragenyx Pharmaceutical Inc. | Director | $26,208,420 | 10 Aug 2021 | ||
| Andy Sassine | Chief Financial Officer, Director | $3,671,968 | +$20,499 | +0.56% | 15 Aug 2025 |
| Chairman Emeritus Peter C. Farrell | Director | $3,161,233 | 09 Jun 2025 | ||
| Magda Marquet | Director | $899,178 | 09 Jun 2025 | ||
| James F. Barlow | Director | $420,586 | 09 Jun 2025 | ||
| Edward W. Holmes | Director | $100,286 | 09 Jun 2025 | ||
| John Markels | Director | $100,286 | 09 Jun 2025 | ||
| Jing L. Marantz | Director | $100,286 | 09 Jun 2025 | ||
| Keith C. Kummerfeld | Senior Vice President of Finance (Principal Accounting Officer) | $17,784 | 15 Dec 2023 | ||
| Joseph Roberts | Controller | $14,966 | 17 Dec 2025 | ||
| Joseph E. Payne | President and CEO, Director | 17 Dec 2025 | |||
| Karah Herdman Parschauer | Director | 18 Jun 2021 | |||
| Moncef Slaoui | Director | 09 Jun 2025 | |||
| Lance Kurata | Chief Legal Officer | 17 Dec 2025 | |||
| Pad Chivukula | Chief Scientific Officer & COO | 17 Dec 2025 |
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Joseph Roberts | ARCT | Employee Stock Option (right to buy) | Award | 10,000 | 10,000 | 17 Dec 2025 | Direct | |||
| Pad Chivukula | ARCT | Employee Stock Option (right to buy) | Award | 54,000 | 54,000 | 17 Dec 2025 | Direct | |||
| Joseph E. Payne | ARCT | Employee Stock Option (right to buy) | Award | 175,000 | 175,000 | 17 Dec 2025 | Direct | |||
| Lance Kurata | ARCT | Employee Stock Option (right to buy) | Award | 54,000 | 54,000 | 17 Dec 2025 | Direct | |||
| Andy Sassine | ARCT | Common Stock | Purchase | 0.56% | $20,499 | $16.56 | 1,238 | 221,764 | 15 Aug 2025 | Direct |
| Peter C. Farrell | ARCT | Stock option (right to buy) | Award | 15,000 | 15,000 | 09 Jun 2025 | Direct | |||
| Moncef Slaoui | ARCT | Stock option (right to buy) | Award | 15,000 | 15,000 | 09 Jun 2025 | Direct | |||
| Magda Marquet | ARCT | Stock option (right to buy) | Award | 15,000 | 15,000 | 09 Jun 2025 | Direct | |||
| John Markels | ARCT | Stock option (right to buy) | Award | 15,000 | 15,000 | 09 Jun 2025 | Direct | |||
| Jing L. Marantz | ARCT | Stock option (right to buy) | Award | 15,000 | 15,000 | 09 Jun 2025 | Direct | |||
| James F. Barlow | ARCT | Stock option (right to buy) | Award | 15,000 | 15,000 | 09 Jun 2025 | Direct | |||
| Edward W. Holmes | ARCT | Stock option (right to buy) | Award | 15,000 | 15,000 | 09 Jun 2025 | Direct |