HORN HOWARD

PrivateCIK: 1786335
Location

NOVATO, CA

Senior insider sale

Chief Financial Officer at ULTRAGENYX PHARMACEUTICAL INC. — senior position signals high conviction

$383.3K

14.05K shares

What this filing means

HORN HOWARD plans to sell 14.05K shares of ULTRAGENYX PHARMACEUTICAL INC. valued at approximately $383.3K. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

InsiderHORN HOWARDCIK 1786335
Officer· Chief Financial Officer
Since Mar 2026
14.05K
Shares to sell
$383.3K
Approx. market value
4.70K
Acquired (3 months)
1
Planned
2 completed
Securities Acquired — Last 3 Months1
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Restricted Stock and Performance Shares

Not Applicable

3/1/2025
4.70K
Total acquired4.70K
Planned & Completed Dispositions3
Sort

Completed

Completed

Units to sell

4.70K

Market value

$155.6K

7/1/2026
Completed

Units to sell

4.65K

Market value

$110.6K

6/1/2026

Planned — Approximate Date

NASDAQPlanned

Units to sell

4.70K

Market value

$117.0K

8/3/2026
Total

Units

14.05K

Value

$383.3K