Horn Howard, CFO of Ultragenyx Pharmaceutical Inc. ($RARE), sold shares on the open market seven times over the past year, totaling about $734,000. His most recent sale occurred on March 3, 2026. These sales rank him 5,629th among 11,678 insiders in our database, where the average is $8.6 million across roughly 6.4 transactions per person. Howard made no open market purchases in this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| April 1, 2026 | Ultragenyx Pharmaceutical Inc. | $RARE | Horn Howard | Chief Financial Officer | S | Common Stock | 4683 | $20.97 | 80,351.0000 | 98,600,000 | 5.51% | 0.00% |
| March 3, 2026 | Ultragenyx Pharmaceutical Inc. | $RARE | Horn Howard | Chief Financial Officer | S | Common Stock | 1635 | $22.40 | 85,034.0000 | 98,600,000 | 1.89% | 0.00% |
| March 2, 2026 | Ultragenyx Pharmaceutical Inc. | $RARE | Horn Howard | Chief Financial Officer | S | Common Stock | 3119 | $22.54 | 86,669.0000 | 98,600,000 | 3.47% | 0.00% |
| March 2, 2026 | Ultragenyx Pharmaceutical Inc. | $RARE | Horn Howard | Chief Financial Officer | S | Common Stock | 5290 | $22.80 | 89,788.0000 | 98,600,000 | 5.56% | 0.01% |
| March 1, 2026 | Ultragenyx Pharmaceutical Inc. | $RARE | Horn Howard | Chief Financial Officer | A | Common Stock | 6143 | $0.00 | 95,078.0000 | 98,600,000 | 6.91% | 0.01% |
| Feb. 2, 2026 | Ultragenyx Pharmaceutical Inc. | $RARE | Horn Howard | Chief Financial Officer | S | Common Stock | 3061 | $23.56 | 88,935.0000 | 98,600,000 | 3.33% | 0.00% |
| Jan. 2, 2026 | Ultragenyx Pharmaceutical Inc. | $RARE | Horn Howard | Chief Financial Officer | S | Common Stock | 3150 | $22.84 | 91,996.0000 | 98,600,000 | 3.31% | 0.00% |
| Dec. 10, 2025 | Ultragenyx Pharmaceutical Inc. | $RARE | Horn Howard | Chief Financial Officer | S | Common Stock | 3081 | $36.38 | 95,146.0000 | 99,771,297 | 3.14% | 0.00% |
| Oct. 13, 2025 | Ultragenyx Pharmaceutical Inc. | $RARE | Horn Howard | Chief Financial Officer | S | Common Stock | 7942 | $31.51 | 98,227.0000 | 99,771,297 | 7.48% | 0.01% |
| March 6, 2025 | Ultragenyx Pharmaceutical Inc. | $RARE | Horn Howard | Chief Financial Officer | S | Common Stock | 1785 | $40.40 | 106,169.0000 | 90,538,118 | 1.65% | 0.00% |
| March 1, 2025 | Ultragenyx Pharmaceutical Inc. | $RARE | Horn Howard | Chief Financial Officer | A | Common Stock | 15653 | $0.00 | 107,954.0000 | 90,538,118 | 16.96% | 0.02% |
| March 1, 2025 | Ultragenyx Pharmaceutical Inc. | $RARE | Horn Howard | Chief Financial Officer | A | Stock Option (Right to Buy) | 28160 | $0.00 | 28,160.0000 | 90,538,118 | 9999.99% | 0.03% |
| Oct. 10, 2024 | Ultragenyx Pharmaceutical Inc. | $RARE | Horn Howard | Chief Financial Officer | S | Common Stock | 7465 | $52.76 | 92,301.0000 | 95,493,996 | 7.48% | 0.01% |
| March 1, 2024 | Ultragenyx Pharmaceutical Inc. | $RARE | Horn Howard | Chief Financial Officer | A | Stock Option (Right to Buy) | 34200 | $0.00 | 34,200.0000 | 73,543,862 | 9999.99% | 0.05% |
| March 1, 2024 | Ultragenyx Pharmaceutical Inc. | $RARE | Horn Howard | Chief Financial Officer | A | Common Stock | 19400 | $0.00 | 99,766.0000 | 73,543,862 | 24.14% | 0.03% |
| Oct. 9, 2023 | Ultragenyx Pharmaceutical Inc. | $RARE | Horn Howard | Chief Financial Officer | A | Common Stock | 80366 | $0.00 | 80,336.0000 | 69,914,225 | 0.00% | 0.11% |
| Oct. 9, 2023 | Ultragenyx Pharmaceutical Inc. | $RARE | Horn Howard | Chief Financial Officer | A | Stock Option (Right to Buy) | 140469 | $0.00 | 140,469.0000 | 69,914,225 | 9999.99% | 0.20% |
| Feb. 23, 2023 | Vir Biotechnology, Inc. | $VIR | Horn Howard | CFO | S | Common Stock | 2248 | $25.97 | 230,712.0000 | 0 | 0.96% | 0.00% |
| Feb. 17, 2023 | Vir Biotechnology, Inc. | $VIR | Horn Howard | CFO | S | Common Stock | 2424 | $25.29 | 232,960.0000 | 0 | 1.03% | 0.00% |