Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Theodore Alan Huizenga 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.
- Howard Horn - $1.33M of RARE open-market activity in the last 12 months
- Emil D. Kakkis - $1.24M of RARE open-market activity in the last 12 months
- Karah Herdman Parschauer - $564K of RARE open-market activity in the last 12 months
- Erik Harris - $240K of RARE open-market activity in the last 12 months
- John Richard Pinion - $229K of RARE open-market activity in the last 12 months
- Eric Crombez - $169K of RARE open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Theodore Alan Huizenga?
Theodore Alan Huizenga is a corporate insider, tracked as SVP, Chief Accounting Officer of Ultragenyx Pharmaceutical Inc. (RARE). InsiderAlpha holds 6 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Theodore Alan Huizenga last file a Form 4?
The most recent primary Form 4 on record is dated 24 April 2026, one of 6 filings going back to 2024.
Has Theodore Alan Huizenga been buying or selling stock?
Recorded transactions: 0 open-market purchases and 4 open-market sales ($45K) across all tracked filings.
Where can I see all of Theodore Alan Huizenga's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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