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 JS
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Detailed Insider History for:
ULTRAGENYX PHARMACEUTICAL INC: RARE
Price: 3/13/26 52-Wk
High		 52-Wk
Low		 Mkt Cap (mm) Shrs Out (mm) 3-Mth Ave
Vol (m)		 Ind. Yield Short Int
% Float		 Inst. Owned Insider Owned
$21.34 $42.37 $18.41 $2,062 97 2,811 0.0% 10.3% 100.96% 3.13%
Exch Sector Industry Sub-Industry
NasdaqGS Manufacturing Chemicals And Allied Products Pharmaceutical Preparations
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#
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Insider Statistics
T N H M S
Filer Name
Insider Title
Trans Type
Dollar Value
Shares Traded
Trans Date From
Trans Date To
Trans Price From
Trans Price To
Total Holdings
Delta % Owned
Owned
Other Info
Input Date
1
1y
26
81%
-18%
2
PARSCHAUER KARAH HERDMAN
VP,LO
S
$208,312
9,526
3/6/26
3/10/26
$21.40
$22.67
66,820
-12.5
D
---
3/10/26 - 4:51:40 pm
2
    
 
HORN HOWARD
CFO
AS
$227,538
10,044
3/2/26
3/3/26
---
$22.40
85,034
-10.6
D
10b
3/3/26 - 6:50:25 pm
3
    
 
PINION JOHN RICHARD
O
S
$228,661
10,029
---
3/2/26
---
$22.80
110,026
-8.4
D
---
3/3/26 - 7:09:43 pm
4
    
 
HARRIS ERIK
VP
S
$240,289
10,539
---
3/2/26
---
$22.80
89,515
-10.5
D
---
3/3/26 - 7:08:17 pm
5
1y
25
84%
-19%
2
KAKKIS EMIL D
PR,CEO,DIR
S
$1,240,411
54,404
---
3/2/26
---
$22.80
658,994
-7.6
D
---
3/3/26 - 7:06:19 pm
6
1y
26
81%
-18%
2
PARSCHAUER KARAH HERDMAN
VP,LO
S
$185,478
8,135
---
3/2/26
---
$22.80
76,346
-9.6
D
---
3/3/26 - 6:51:48 pm
7
1y
27
59%
-9%
1
HUIZENGA THEODORE ALAN
VP,CAO
S
$37,210
1,632
---
3/2/26
---
$22.80
48,670
-3.2
D
---
3/3/26 - 6:51:08 pm
8
    
 
HUIZENGA THEODORE ALAN
VP,CAO
JS
$3,462
148
---
3/2/26
---
$23.39
50,302
-0.3
D
---
3/3/26 - 6:51:08 pm
9
    
 
CROMBEZ ERIC
VP
S
$160,261
7,029
---
3/2/26
---
$22.80
76,301
-8.4
D
---
3/3/26 - 6:49:45 pm
10
    
 
HUANG DENNIS KARL
O
JS
$23,367
999
---
3/2/26
---
$23.39
124,729
-0.8
D
---
3/3/26 - 6:49:10 pm
11
    
 
PINION JOHN RICHARD
O
JB
---
11,137
---
3/1/26
---
---
119,565
10.3
D
---
3/3/26 - 7:09:43 pm
12
    
 
HARRIS ERIK
VP
JB
---
11,643
---
3/1/26
---
---
99,498
13.3
D
---
3/3/26 - 7:08:17 pm
13
    
 
KAKKIS EMIL D
PR,CEO,DIR
JB
---
71,177
---
3/1/26
---
---
712,908
11.1
D
---
3/3/26 - 7:06:19 pm
14
    
 
PARSCHAUER KARAH HERDMAN
VP,LO
JB
---
11,137
---
3/1/26
---
---
84,408
15.2
D
---
3/3/26 - 6:51:48 pm
15
    
 
HORN HOWARD
CFO
JB
---
6,143
---
3/1/26
---
---
95,078
6.9
D
10b
3/3/26 - 6:50:25 pm
16
    
 
CROMBEZ ERIC
VP
JB
---
11,643
---
3/1/26
---
---
83,173
16.3
D
---
3/3/26 - 6:49:45 pm
17
    
 
HUANG DENNIS KARL
O
JB
---
11,137
---
3/1/26
---
---
125,728
9.7
D
---
3/3/26 - 6:49:10 pm
18
    
 
HORN HOWARD
CFO
AS
$72,117
3,061
---
2/2/26
---
$23.56
88,935
-3.3
D
10b
2/3/26 - 12:00:41 pm
19
    
 
HORN HOWARD
CFO
AS
$71,946
3,150
---
1/2/26
---
$22.84
91,996
-3.3
D
10b
1/5/26 - 4:07:21 pm
20
1y
27
59%
-9%
1
HUIZENGA THEODORE ALAN
VP,CAO
S
$2,922
85
---
12/29/25
---
$34.38
50,450
-0.2
D
---
12/30/25 - 1:49:27 pm
21
    
 
HORN HOWARD
CFO
AS
$112,087
3,081
---
12/10/25
---
$36.38
95,146
-3.1
D
10b
12/11/25 - 12:10:22 pm
22
    
 
HORN HOWARD
CFO
S
$250,252
7,942
---
10/13/25
---
$31.51
98,227
-7.5
D
---
10/14/25 - 12:15:06 pm
23
1y
27
59%
-9%
1
HUIZENGA THEODORE ALAN
VP,CAO
S
$1,867
64
---
9/18/25
---
$29.17
50,242
-0.1
D
---
9/19/25 - 6:23:43 pm
24
1y
26
81%
-18%
2
PARSCHAUER KARAH HERDMAN
VP,LO
S
$76,367
2,450
---
9/12/25
---
$31.17
73,271
-3.2
D
---
9/12/25 - 4:11:58 pm
25
1y
27
59%
-9%
1
HUIZENGA THEODORE ALAN
VP,CAO
S
$2,637
84
---
9/5/25
---
$31.39
50,306
-0.2
D
---
9/8/25 - 2:01:44 pm
26
    
 
SANDERS CORAZON \(CORSEE\) D
DIR
AS
$89,923
2,405
---
6/20/25
---
$37.39
15,344
-13.6
D
10b
6/23/25 - 1:50:13 pm
27
    
 
SULIMAN SHEHNAAZ
DIR
JB
---
5,740
---
5/15/25
---
---
25,940
28.4
D
R
5/19/25 - 6:34:32 pm
28
    
 
WELCH DANIEL G
DIR
JB
---
5,740
---
5/15/25
---
---
32,690
21.3
D
R
5/19/25 - 6:33:56 pm
29
    
 
SANDERS CORAZON \(CORSEE\) D
DIR
JB
---
5,740
---
5/15/25
---
---
17,749
47.8
D
R
5/19/25 - 6:33:25 pm
30
    
 
NARACHI MICHAEL
DIR
JB
---
5,740
---
5/15/25
---
---
32,690
21.3
D
R
5/19/25 - 6:32:48 pm
31
    
 
FUST MATTHEW K
DIR
JB
---
5,740
---
5/15/25
---
---
25,945
28.4
D
R
5/19/25 - 6:32:13 pm
32
    
 
DUNSIRE DEBORAH
DIR
JB
---
5,740
---
5/15/25
---
---
30,815
22.9
D
R
5/19/25 - 6:31:42 pm
33
    
 
RAY AMRIT
DIR
JB
---
5,740
---
5/15/25
---
---
23,365
32.6
D
R
5/19/25 - 6:31:03 pm
34
    
 
CROMBEZ ERIC
VP
S
$20,405
520
---
5/5/25
---
$39.24
71,530
-0.7
D
---
5/5/25 - 7:18:48 pm
35
    
 
CROMBEZ ERIC
VP
S
$8,497
242
---
4/21/25
---
$35.11
71,680
-0.3
D
---
5/5/25 - 7:18:48 pm
36
    
 
HORN HOWARD
CFO
S
$72,114
1,785
---
3/6/25
---
$40.40
106,169
-1.7
D
---
3/10/25 - 12:53:00 pm
37
1y
24
54%
11%
2
KASSBERG THOMAS RICHARD
VP
S
$253,779
6,028
---
3/3/25
---
$42.10
265,238
-2.2
D
---
3/4/25 - 8:19:57 pm
38
    
 
KASSBERG THOMAS RICHARD
VP
JS
$21,803
508
---
3/3/25
---
$42.92
264,730
-0.2
D
---
3/4/25 - 8:19:57 pm
39
1y
26
81%
-18%
2
PARSCHAUER KARAH HERDMAN
VP,LO
S
$540,817
12,846
---
3/3/25
---
$42.10
75,287
-14.6
D
---
3/4/25 - 8:18:24 pm
40
    
 
CROMBEZ ERIC
VP
S
$376,585
8,945
---
3/3/25
---
$42.10
71,922
-11.1
D
R
3/4/25 - 8:16:48 pm
41
    
 
PINION JOHN RICHARD
O
S
$607,882
14,439
---
3/3/25
---
$42.10
107,766
-11.8
D
R
3/4/25 - 8:12:26 pm
42
    
 
PINION JOHN RICHARD
O
JS
$1,331
31
---
3/3/25
---
$42.92
108,428
-0.0
D
R
3/4/25 - 8:12:26 pm
43
1y
25
84%
-19%
2
KAKKIS EMIL D
PR,CEO,DIR
S
$3,091,572
73,434
---
3/3/25
---
$42.10
641,731
-10.3
D
R
3/4/25 - 8:10:16 pm
44
    
 
HARRIS ERIK
VP
S
$635,836
15,103
---
3/3/25
---
$42.10
87,855
-14.7
D
R
3/4/25 - 8:06:23 pm
45
    
 
HUANG DENNIS KARL
O
JS
$57,856
1,348
---
3/3/25
---
$42.92
114,591
-1.2
D
R
3/4/25 - 8:02:17 pm
46
1y
27
59%
-9%
1
HUIZENGA THEODORE ALAN
VP,CAO
S
$40,711
967
---
3/3/25
---
$42.10
50,265
-1.9
D
R
3/4/25 - 8:00:32 pm
47
    
 
HUIZENGA THEODORE ALAN
VP,CAO
JS
$6,052
141
---
3/3/25
---
$42.92
50,124
-0.3
D
R
3/4/25 - 8:00:32 pm
48
    
 
KASSBERG THOMAS RICHARD
VP
JB
---
18,443
---
3/1/25
---
---
271,266
7.3
D
---
3/4/25 - 8:19:57 pm
49
    
 
PARSCHAUER KARAH HERDMAN
VP,LO
JB
---
18,443
---
3/1/25
---
---
88,133
26.5
D
---
3/4/25 - 8:18:24 pm
50
    
 
CROMBEZ ERIC
VP
JB
---
31,784
---
3/1/25
---
---
80,215
65.6
D
R
3/4/25 - 8:16:48 pm
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