Huizenga Theodore Alan (CIK 1603347) reported 8 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-09-15). Recent activity: Sell RARE (1,283 shares), Sell RARE (161 shares), Buy RARE (20,241 shares), Sell RARE (148 shares), Sell RARE (1,632 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-15 | Ultragenyx Pharmaceutical Inc. (RARE) | SVP, Chief Accounting Officer | Sell | 1,283 | $17,410 |
| 2026-09-08 | Ultragenyx Pharmaceutical Inc. (RARE) | SVP, Chief Accounting Officer | Sell | 161 | $2,252 |
| 2026-04-24 | Ultragenyx Pharmaceutical Inc. (RARE) | SVP, Chief Accounting Officer | Buy | 20,241 | $0 |
| 2026-03-03 | Ultragenyx Pharmaceutical Inc. (RARE) | SVP, Chief Accounting Officer | Sell | 148 | $3,462 |
| 2026-03-03 | Ultragenyx Pharmaceutical Inc. (RARE) | SVP, Chief Accounting Officer | Sell | 1,632 | $37,210 |
| 2025-12-30 | Ultragenyx Pharmaceutical Inc. (RARE) | SVP, Chief Accounting Officer | Sell | 85 | $2,922 |
| 2025-09-19 | Ultragenyx Pharmaceutical Inc. (RARE) | SVP, Chief Accounting Officer | Sell | 64 | $1,867 |
| 2025-09-08 | Ultragenyx Pharmaceutical Inc. (RARE) | SVP, Chief Accounting Officer | Sell | 84 | $2,637 |
来源：SEC Form 4 申报文件 · 截至 2026-09-15