Howard Horn
Chief Financial Officer · Ultragenyx Pharmaceutical Inc.
- 2024
- Aug 4, 2026
- 12
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Howard Horn files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Emil D. Kakkis - $1.24M in RARE purchases and sales in the last 12 months
- Karah Herdman Parschauer - $488K in RARE purchases and sales in the last 12 months
- Erik Harris - $240K in RARE purchases and sales in the last 12 months
- John Richard Pinion - $229K in RARE purchases and sales in the last 12 months
- Eric Crombez - $169K in RARE purchases and sales in the last 12 months
- Shehnaaz Suliman - $144K in RARE purchases and sales in the last 12 months
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Frequently asked questions
Who is Howard Horn?
Howard Horn is a corporate insider, tracked as Chief Financial Officer of Ultragenyx Pharmaceutical Inc. (RARE). InsiderAlpha holds 12 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Howard Horn submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Howard Horn been buying or selling stock?
Recorded transactions: 0 open-market purchases and 13 open-market sales ($1.73M) across all tracked filings.
