InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (10 ops.)
Insider track record
ExecutiveDisclosed buys
0
Disclosed sells
10
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Explore the full record of transactions filed by Huizenga Theodore Alan, Vice-Président Senior, Directeur Comptable. Director active across 1 company, notably Ultragenyx Pharmaceutical Inc.. Cumulatively, 25 filings have been published. Split: 0 buy · 10 sells. Total volume traded: €225k. History available since 6 May 2021. The latest transaction was disclosed on 22 April 2026 (Attribution). Regulator: SEC (Form 4). All data is openly available.
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Declarations25 total
20,241 shares0Common StockSEC:0001193125-26-177470:0
148 shares@ US$23.390.9% of flowCommon StockSEC:0001193125-26-089109:0
85 shares@ US$34.380.8% of flowCommon StockSEC:0001193125-25-336619:0
64 shares@ US$29.170.5% of flowCommon StockSEC:0001193125-25-209387:0
84 shares@ US$31.390.7% of flowCommon StockSEC:0000950170-25-113446:0
9,392 shares0Common StockSEC:0000950170-25-032764:0
648 shares0Common StockSEC:0000950170-24-135525:0
700 shares0Common StockSEC:0000950170-24-107677:0
91 shares@ US$56.191.4% of flowCommon StockSEC:0000950170-24-103807:0
14 shares@ US$42.310.2% of flowCommon StockSEC:0000950170-24-045670:0
13,950 shares0Common StockSEC:0000950170-24-026641:0
1,000 shares0Common StockSEC:0001209191-24-000070:0
2,000 shares@ US$21.0011.9% of flowCommon StockSEC:0001209191-23-048905:0
883 shares@ US$37.049.1% of flowCommon StockSEC:0001209191-23-048489:0
3,000 shares@ US$21.0017.4% of flowCommon StockSEC:0001209191-23-028585:0
14 shares@ US$38.200.1% of flowCommon StockSEC:0001209191-23-024685:0
7,590 shares0Common StockSEC:0001209191-23-016045:0
639 shares@ US$43.407.9% of flowCommon StockSEC:0001209191-23-014502:0
2,031 shares@ US$43.9625.5% of flowCommon StockSEC:0001209191-22-062400:0
1,000 shares0Common StockSEC:0001209191-22-049222:0
132 shares@ US$84.550.0004% mcap11.8% of flowCommon StockSEC:0001209191-22-024699:0
843 shares@ US$66.620.0020% mcap57.5% of flowCommon StockSEC:0001209191-22-015819:0
819 shares0Common StockSEC:0001209191-21-060756:0
142 shares@ US$113.674.1% of flowCommon StockSEC:0001209191-21-031386:0
1,000 sharesCommon StockSEC:0001562180-16-001338:0
25 of 25 declarations
About Huizenga Theodore Alan
Huizenga Theodore Alan is Senior Vice-President, Chief Accounting Officer. He has 25 filings in total, all 25 included in the recent sample, with 0 EUR of purchases and 225027 EUR of sales over the period from 2016-01-19 to 2026-04-24, mainly as a disposal, at Ultragenyx Pharmaceutical Inc. (XNAS), where he is also SVP, Chief Accounting Officer.
