Theodore Alan Huizenga

RARE

Theodore Alan Huizenga serves as officer: SVP, Chief Accounting Officer at Ultragenyx Pharmaceutical Inc. (RARE). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

16 trades

$893.8K

Net Position

Net Seller

$893.8K

Companies Traded

RARE

Active Period

Mar 2021 – Sep 2026

16 total trades

Most Recent

Sell RARE

Sep 15, 2026 · $17.4K

Theodore Alan Huizenga's Insider Trading at Ultragenyx Pharmaceutical Inc. (RARE)

Buys

0 · $0.00

Sells

16 · $893.8K

Total Shares Bought

Total Shares Sold

13,876

RARE Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Sep 15, 2026	Sell	1,283	$13.57	$17.4K	67,863
Sep 8, 2026	Sell	161	$13.99	$2.3K	69,146
Mar 1, 2025	Sell	1,108	$42.20	$46.8K	0
Sep 5, 2024	Sell	91	$56.19	$5.1K	41,551
Mar 5, 2024	Sell	341	$53.76	$18.3K	41,380
Sep 11, 2023	Sell	2,163	$40.80	$88.2K	23,777
Sep 6, 2023	Sell	970	$37.15	$36.0K	23,864
Mar 3, 2023	Sell	100	$45.65	$4.6K	23,048
Mar 2, 2023	Sell	639	$43.40	$27.7K	15,558
Dec 22, 2022	Sell	2,031	$43.96	$89.3K	16,197
Apr 19, 2022	Sell	132	$84.55	$11.2K	16,914
Mar 3, 2022	Sell	843	$66.62	$56.2K	13,229
Oct 18, 2021	Sell	140	$81.14	$11.4K	14,072
May 10, 2021	Sell	142	$113.67	$16.1K	15,031
Mar 9, 2021	Sell	3,000	$120.69	$362.1K	13,544
Mar 3, 2021	Sell	732	$138.17	$101.1K	16,544