Theodore Alan Huizenga

Current Holdings

SVP, Chief Accounting Officer
Security Holdings
Common Stock 42,251 shares

Cumulative Trading Activity in Common Stock for Ultragenyx Pharmaceutical Inc. in 2025

This page tracks insider trading for Theodore Alan Huizenga, which means you can track and be informed when insider trading (i.e., insider trades) occurs. Trading stock is common amongst insiders, and the SEC requires stock trades (such as when individuals buy stock, sell stock, receive stock compensation, etc.) from insiders to be made publicly available. Some people follow the insider market to help them when investing in the stock market (e.g., when deciding whether to buy stocks). On this page, you will see stock trading that Theodore Alan Huizenga has engaged in since 2021. As shown above, Theodore Alan Huizenga has completed -$83,814 in total transactions, which were made available through the SEC Form 4, a regulatory filing that makes stock exchange data like this public knowledge.

Found 13 filings

Positive values indicate buys, negative values indicate sales.

Ticker Date Net Cash Net Shares Bought Cash Bought Shares Sold Cash Sold Shares
RARE 2024-9-16 $0 700 $0 700 $0 0 SEC Filing
RARE 2024-9-3 -$5,113 -91 $0 0 -$5,113 -91 SEC Filing
RARE 2024-4-16 -$592 -14 $0 0 -$592 -14 SEC Filing
RARE 2024-3-1 -$24,829 13,488 $0 13,950 -$24,829 -462 SEC Filing
RARE 2023-12-20 $63,000 4,000 $63,000 4,000 $0 0 SEC Filing
RARE 2023-5-9 $63,000 3,000 $63,000 3,000 $0 0 SEC Filing
RARE 2023-4-16 -$7,449 -195 $0 0 -$7,449 -195 SEC Filing
RARE 2023-3-1 -$65,416 6,157 $0 7,590 -$65,416 -1,433 SEC Filing
RARE 2023-2-28 -$27,733 -639 $0 0 -$27,733 -639 SEC Filing
RARE 2022-9-1 $0 1,000 $0 1,000 $0 0 SEC Filing
RARE 2022-4-16 -$11,161 -132 $0 0 -$11,161 -132 SEC Filing
RARE 2022-3-1 -$56,161 2,867 $0 3,710 -$56,161 -843 SEC Filing
RARE 2021-10-14 -$11,360 -959 $0 0 -$11,360 -959 SEC Filing

The data shown here is based on historical filings with the SEC, and may contain slight inaccuracies.

This data excludes derivative holdings and transactions.

Additional data regarding trading activity for Theodore Alan Huizenga before the earliest date displayed on this page may exist, but is not shown here.