Kassberg Thomas Richard (CIK 1303811) reported 3 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2025-03-04). Recent activity: Buy RARE (18,443 shares), Sell RARE (6,028 shares), Sell RARE (508 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2025-03-04 | Ultragenyx Pharmaceutical Inc. (RARE) | CBO & EVP | Buy | 18,443 | $0 |
| 2025-03-04 | Ultragenyx Pharmaceutical Inc. (RARE) | CBO & EVP | Sell | 6,028 | $253,779 |
| 2025-03-04 | Ultragenyx Pharmaceutical Inc. (RARE) | CBO & EVP | Sell | 508 | $21,803 |
Source: SEC Form 4 filings · as of 2025-03-04