KASSBERG THOMAS RICHARD

PrivateCIK: 1303811
Location

NOVATO, CA

KASSBERG THOMAS RICHARD (CBO & EVP) sold 2.2% of their position (6.03K shares) of ULTRAGENYX PHARMACEUTICAL INC. on the open market

Open‑market sale worth $253.8K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderKASSBERG THOMAS RICHARDCIK 1303811
Officer· CBO & EVP
Since Mar 2019
+11.91K
Net shares
Net buyer
$275.6K
Total sold
1
Open market trades
0B · 1S
3
Total transactions
18.44K acquired · 6.54K disposed
Non-Derivative Transactions3

Common Stock

Direct
A · Award

Shares

+18.44K

Price / share

Trade value

% of position

7.3%
3/1/2025
252.82K271.27K

Common Stock

Direct
S · Sale

Shares

6.03K

Price / share

$42.10

Trade value

$253.78K

% of position

2.2%
3/3/2025
271.27K265.24K

Common Stock

Direct
F · Tax Withholding

Shares

508.00

Price / share

$42.92

Trade value

$21.80K

% of position

0.2%
3/3/2025
265.24K264.73K
Total

Net shares

+11.91K

Net value

-$275.58K

Derivative Transactions0
No derivative transactions reported
KASSBERG THOMAS RICHARD — Insider Transaction (Form 4) Filed Mar 4, 2025 | Finecho