Horn Howard (CIK 1786335) reported 14 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-07-06). Recent activity: Sell RARE (4,698 shares), Sell RARE (4,653 shares), Buy RARE (34,674 shares), Sell RARE (4,683 shares), Buy RARE (6,143 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-06 | Ultragenyx Pharmaceutical Inc. (RARE) | Chief Financial Officer | Sell | 4,698 | $155,645 |
| 2026-06-01 | Ultragenyx Pharmaceutical Inc. (RARE) | Chief Financial Officer | Sell | 4,653 | $110,602 |
| 2026-04-20 | Ultragenyx Pharmaceutical Inc. (RARE) | Chief Financial Officer | Buy | 34,674 | $0 |
| 2026-04-02 | Ultragenyx Pharmaceutical Inc. (RARE) | Chief Financial Officer | Sell | 4,683 | $98,203 |
| 2026-03-03 | Ultragenyx Pharmaceutical Inc. (RARE) | Chief Financial Officer | Buy | 6,143 | $0 |
| 2026-03-03 | Ultragenyx Pharmaceutical Inc. (RARE) | Chief Financial Officer | Sell | 5,290 | $120,612 |
| 2026-03-03 | Ultragenyx Pharmaceutical Inc. (RARE) | Chief Financial Officer | Sell | 3,119 | $70,302 |
| 2026-03-03 | Ultragenyx Pharmaceutical Inc. (RARE) | Chief Financial Officer | Sell | 1,635 | $36,624 |
| 2026-02-03 | Ultragenyx Pharmaceutical Inc. (RARE) | Chief Financial Officer | Sell | 3,061 | $72,117 |
| 2026-01-05 | Ultragenyx Pharmaceutical Inc. (RARE) | Chief Financial Officer | Sell | 3,150 | $71,946 |
| 2025-12-11 | Ultragenyx Pharmaceutical Inc. (RARE) | Chief Financial Officer | Sell | 3,081 | $112,087 |
| 2025-10-14 | Ultragenyx Pharmaceutical Inc. (RARE) | Chief Financial Officer | Sell | 7,942 | $250,252 |
| 2025-03-10 | Ultragenyx Pharmaceutical Inc. (RARE) | Chief Financial Officer | Sell | 1,785 | $72,114 |
| 2025-03-04 | Ultragenyx Pharmaceutical Inc. (RARE) | Chief Financial Officer | Buy | 15,653 | $0 |
Source: SEC Form 4 filings · as of 2026-07-06