Huizenga Theodore Alan
SVP, Chief Accounting Officer
Huizenga Theodore Alan has filed 7 SEC Form 4 filings (8 transaction rows) across 1 company, with disclosures dating back to 2025. 5 of those filings fall inside the rolling window. Most recent filing: Sep 15, 2026.
On the most recent filing, Huizenga Theodore Alan is listed as SVP, Chief Accounting Officer at Ultragenyx Pharmaceutical Inc. Inside the rolling window, Huizenga Theodore Alan reported no open-market purchases and 4 open-market sales totaling $60K in RARE. The largest disclosed transaction in the window is a sale of 1,632 RARE shares on Mar 2, 2026, worth $37K.
Companies traded
Other insiders at RARE
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$60K
reported sales (SEC code S)
Companies
1
in the rolling window
Earlier trades
Open-market purchases and sales filed before the rolling 365-day window, kept from the original Form 4 filings.
Frequently asked questions
How many SEC Form 4 filings has Huizenga Theodore Alan made?
Huizenga Theodore Alan has filed 7 SEC Form 4 filings (8 transaction rows) across 1 company since 2025.
Which companies does Huizenga Theodore Alan trade?
Huizenga Theodore Alan has filed SEC Form 4 disclosures for 1 company, including RARE.
When was Huizenga Theodore Alan's most recent SEC Form 4 filing?
Huizenga Theodore Alan's most recent SEC Form 4 filing on Tracefour is dated Sep 15, 2026.
What is Huizenga Theodore Alan's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Huizenga Theodore Alan is listed as SVP, Chief Accounting Officer.
What is Huizenga Theodore Alan's total buy and sell value in the current window?
Inside the rolling retention window, Huizenga Theodore Alan bought $0 and sold $60K based on SEC Form 4 filings.
What was Huizenga Theodore Alan's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 1,632 RARE shares on 2026-03-02, worth $37K, per SEC Form 4 filings.