HUIZENGA THEODORE ALAN

PrivateCIK: 1603347
Location

NOVATO, CA

HUIZENGA THEODORE ALAN (SVP, Chief Accounting Officer) sold 1.9% of their position (967.00 shares) of ULTRAGENYX PHARMACEUTICAL INC. on the open market

Open‑market sale worth $40.7K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderHUIZENGA THEODORE ALANCIK 1603347
Officer· SVP, Chief Accounting Officer
Since Mar 2026
+13.92K
Net shares
Net buyer
$46.8K
Total sold
1
Open market trades
0B · 1S
4
Total transactions
15.02K acquired · 1.11K disposed
Non-Derivative Transactions3

Common Stock

Direct
A · Award

Shares

+9.39K

Price / share

Trade value

% of position

22.4%
3/1/2025
41.84K51.23K

Common Stock

Direct
S · Sale

Shares

967.00

Price / share

$42.10

Trade value

$40.71K

% of position

1.9%
3/3/2025
51.23K50.27K

Common Stock

Direct
F · Tax Withholding

Shares

141.00

Price / share

$42.92

Trade value

$6.05K

% of position

0.3%
3/3/2025
50.27K50.12K
Total

Net shares

+8.28K

Net value

-$46.76K

Derivative Transactions1

Stock Option (Right to Buy)

Direct
A · Award
Converts to

Common Stock

5.63K shares

Shares

+5.63K

Strike price

42.92

Held after

5.63K

Exercisable

3/1/2025
HUIZENGA THEODORE ALAN — Insider Transaction (Form 4) Filed Mar 4, 2025 | Finecho