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Huizenga Theodore Alan

Track

Insider profile

Performance

Overall performance
3.9
Performance over holding periods
3.9
30 days 90 days 120 days
Average return 9% 8.2% 15.1%
Success rate 93% 68% 82%
Transactions
16 0% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance
Huizenga Theodore Alan's trades of Ultragenyx Pharmaceutical Inc's stock


Subscribe to get access to the transaction volume chart and in-chart transaction details
• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2026-03-03 2026-03-02
S Sale
97,453 +10.4%
262.68
US$4,172,244 		97,453 +10.4% 262.68 US$4,172,244
2025-12-30 2025-12-29
PlS Planned sale
8,130 +20.5%
311.71
US$2,633,759 		8,130 +20.5% 311.71 US$2,633,759
2025-09-19 2025-09-18
S Sale
80,625 -0.5%
240.87
US$4,304,281 		80,625 -0.5% 240.87 US$4,304,281
2025-09-08 2025-09-05
PlS Planned sale
84 -0.2%
31.39
US$2,637 		84 -0.2% 31.39 US$2,637
2025-03-04 2025-03-03
S Sale
967 -1.9%
42.10
US$40,711 		967 -1.9% 42.10 US$40,711
2024-09-05 2024-09-03
PlS Planned sale
91 -0.2%
56.19
US$5,113 		91 -0.2% 56.19 US$5,113
2024-03-05 2024-03-01
S Sale
341 -0.8%
53.76
US$18,332 		341 -0.8% 53.76 US$18,332
2023-09-11 2023-09-07
S Sale
163 -0.7%
38.34
US$6,249 		163 -0.7% 38.34 US$6,249
2023-09-11 2023-09-07
S Sale
2,000 -7.8%
41.00
US$82,000 		2,000 -7.8% 41.00 US$82,000
2023-09-07 2023-09-07
PrS Proposed sale
2,163
40.80
US$88,249 		2,163 40.80 US$88,249
2023-09-06 2023-09-01
S Sale
87 -0.4%
38.23
US$3,326 		87 -0.4% 38.23 US$3,326
2023-09-06 2023-09-01
PlS Planned sale
883 -3.6%
37.04
US$32,706 		883 -3.6% 37.04 US$32,706
2023-03-03 2023-03-01
S Sale
100 -0.4%
45.65
US$4,565 		100 -0.4% 45.65 US$4,565
2023-03-02 2023-02-28
PlS Planned sale
639 -3.9%
43.40
US$27,733 		639 -3.9% 43.40 US$27,733
2022-12-22 2022-12-21
PlS Planned sale
2,031 -11.1%
43.96
US$89,283 		2,031 -11.1% 43.96 US$89,283
2022-04-19 2022-04-16
S Sale
132 -0.8%
84.55
US$11,161 		132 -0.8% 84.55 US$11,161
2022-03-03 2022-03-01
S Sale
843 -6.0%
66.62
US$56,161 		843 -6.0% 66.62 US$56,161
2021-10-18 2021-10-14
S Sale
140 -1.0%
81.14
US$11,360 		140 -1.0% 81.14 US$11,360
2021-05-10 2021-05-06
PlS Planned sale
142 -0.9%
113.67
US$16,141 		142 -0.9% 113.67 US$16,141
2021-03-09 2021-03-08
S Sale
3,000 -18.1%
120.69
US$362,070 		3,000 -18.1% 120.69 US$362,070
2021-03-03 2021-03-01
S Sale
732 -4.2%
138.17
US$101,140 		732 -4.2% 138.17 US$101,140
2021-01-08 2021-01-07
PlS Planned sale
4,000 -20.3%
140.65
US$562,600 		4,000 -20.3% 140.65 US$562,600
2020-10-16 2020-10-14
S Sale
146 -0.9%
87.98
US$12,845 		146 -0.9% 87.98 US$12,845
2020-07-10 2020-07-08
S Sale
2,000 -10.8%
91.00
US$182,000 		2,000 -10.8% 91.00 US$182,000
2020-07-10 2020-07-08
PlS Planned sale
638 -3.7%
91.00
US$58,058 		638 -3.7% 91.00 US$58,058
2020-07-06 2020-07-01
S Sale
1,500 -8.0%
81.00
US$121,500 		1,500 -8.0% 81.00 US$121,500
2020-07-06 2020-07-01
PlS Planned sale
1,111 -6.1%
81.00
US$89,991 		1,111 -6.1% 81.00 US$89,991
2020-05-27 2020-05-26
PlS Planned sale
260 -1.4%
74.93
US$19,482 		260 -1.4% 74.93 US$19,482
2020-05-19 2020-05-15
PlS Planned sale
1,500 -7.3%
71.00
US$106,500 		1,500 -7.3% 71.00 US$106,500
2020-05-19 2020-05-15
PlS Planned sale
961 -4.9%
71.00
US$68,231 		961 -4.9% 71.00 US$68,231
2020-01-15 2020-01-14
PlS Planned sale
1,000 -5.9%
61.00
US$61,000 		1,000 -5.9% 61.00 US$61,000