Theodore Alan Huizenga sold $2,252 of RARE
SVP, Chief Accounting Officer at Ultragenyx Pharmaceutical Inc.. 161 shares at an average of $13.99, traded Sep 3, 2026, filed Sep 8, 2026.
Score components
- +15RoleOfficer
- 0Trade size$2k at market
- 0Share of holdings soldSold 0.2% of holdings
- 0ClusterNo other insider selling within 14 days
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001193125-26-384878, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Sep 3, 2026 | SOpen-market sale Common Stock | -161 | $13.99 | $2,252 | 69,146 | 35 d ago |
Related signals
Other insiders at Ultragenyx Pharmaceutical Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 0Weak | Ultragenyx Pharmaceutical Inc. | Theodore Alan Huizenga SVP, Chief Accounting Officer | $17k 1,283 shares | -2% | |
| 20Weak | Ultragenyx Pharmaceutical Inc. | Howard Horn Chief Financial Officer | $117k 4,696 shares | -5% | |
| 9Weak | Ultragenyx Pharmaceutical Inc. | Karah Herdman Parschauer EVP and Chief Legal Officer | $47k 1,900 shares | -2% | |
| 13Weak | Ultragenyx Pharmaceutical Inc. | Howard Horn Chief Financial Officer | $156k 4,698 shares | -4% | |
| 16Weak | Ultragenyx Pharmaceutical Inc. | Karah Herdman Parschauer EVP and Chief Legal Officer | $47k 1,899 shares | -2% | |
| 37Weak | Ultragenyx Pharmaceutical Inc. | Corazon (Corsee) D. Sanders director | $50k 2,000 shares | -9% | |
| 27Weak | Ultragenyx Pharmaceutical Inc. | Howard Horn Chief Financial Officer | $111k 4,653 shares | -4% | |
| 26Weak | Ultragenyx Pharmaceutical Inc. | Shehnaaz Suliman director | $144k 5,740 shares | -17% | |
| 30Weak | Ultragenyx Pharmaceutical Inc. | Eric Crombez EVP and Chief Medical Officer | $8,586 344 shares | -0% | |
| 20Weak | Ultragenyx Pharmaceutical Inc. | Howard Horn Chief Financial Officer | $117k 4,683 shares | -4% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.