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Detailed Insider History for:
VIKING THERAPEUTICS INC: VKTX
Price: 10/31/25 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
$38.08 $79.10 $18.92 $4,304 113 6,526 0.0% 27.0% 67.70% 2.17%
Exch Sector Industry Sub-Industry
NasdaqCM Manufacturing Chemicals And Allied Products Pharmaceutical Preparations
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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
    
 
MANCINI MARIANNA
COO
S
$216,492
6,185
---
10/28/25
---
$35.00
382,467
-1.6
D
R
10/28/25 - 7:51:22 pm
2
    
 
LIAN BRIAN
PR,CEO,DIR
S
$1,364,923
38,989
---
10/28/25
---
$35.01
2,419,109
-1.6
D
R
10/28/25 - 7:48:53 pm
3
1y
9
44%
122%
2
ZANTE GREG
CFO
S
$216,481
6,185
---
10/28/25
---
$35.00
173,592
-3.4
D
R
10/28/25 - 7:47:49 pm
4
    
 
MANCINI MARIANNA
COO
JB
---
11,117
---
10/27/25
---
---
388,652
2.9
D
R
10/28/25 - 7:51:22 pm
5
1y
1
0%
189%
6
ROWLAND CHARLES A JR
DIR
S
$2,134,278
60,000
---
10/27/25
---
$35.57
30,000
-66.7
D
---
10/28/25 - 7:49:42 pm
6
    
 
ROWLAND CHARLES A JR
DIR
JB
$306,640
60,000
---
10/27/25
$4.48
$4.88
90,000
200.0
D
---
10/28/25 - 7:49:42 pm
7
    
 
LIAN BRIAN
PR,CEO,DIR
JB
---
70,084
---
10/27/25
---
---
2,458,098
2.9
D
R
10/28/25 - 7:48:53 pm
8
    
 
ZANTE GREG
CFO
JB
---
11,117
---
10/27/25
---
---
179,777
6.6
D
R
10/28/25 - 7:47:49 pm
9
    
 
LIAN BRIAN
PR,CEO,DIR
S
$747,633
26,889
---
7/3/25
---
$27.80
2,388,014
-1.1
D
R
7/3/25 - 3:31:13 pm
10
1y
9
44%
122%
2
ZANTE GREG
CFO
S
$118,428
4,266
---
7/3/25
---
$27.76
168,660
-2.5
D
R
7/3/25 - 3:31:07 pm
11
    
 
MANCINI MARIANNA
COO
S
$118,473
4,266
---
7/3/25
---
$27.77
377,535
-1.1
D
R
7/3/25 - 3:30:32 pm
12
    
 
LIAN BRIAN
PR,CEO,DIR
JB
---
48,333
---
7/2/25
---
---
2,414,903
2.0
D
R
7/3/25 - 3:31:13 pm
13
    
 
ZANTE GREG
CFO
JB
---
7,667
---
7/2/25
---
---
172,926
4.6
D
R
7/3/25 - 3:31:07 pm
14
    
 
MANCINI MARIANNA
COO
JB
---
7,667
---
7/2/25
---
---
381,801
2.0
D
R
7/3/25 - 3:30:32 pm
15
    
 
FOEHR MATTHEW W
DIR
OE
$166,288
20,786
---
4/11/25
---
$8.00
132,036
18.7
D
---
4/14/25 - 7:26:34 pm
16
6m
1
100%
7%
2
ROUAN SARAH KATHRYN
DIR
B
$29,943
1,240
---
3/31/25
---
$24.15
1,240
New
D
A
4/8/25 - 7:05:30 pm
17
6m
1
100%
7%
2
ROUAN SARAH KATHRYN
DIR
B
$29,943
1,240
---
3/31/25
---
$24.15
1,240
New
D
---
4/2/25 - 6:29:36 pm
18
    
 
LIAN BRIAN
PR,CEO,DIR
S
$8,313,601
194,490
---
1/6/25
$42.68
$43.32
2,366,570
-7.6
D
R
1/6/25 - 8:16:00 pm
19
    
 
MANCINI MARIANNA
COO
S
$2,317,599
54,215
---
1/6/25
$42.69
$43.32
374,134
-12.7
D
R
1/6/25 - 8:15:41 pm
20
1y
9
44%
122%
2
ZANTE GREG
CFO
S
$2,150,595
50,309
---
1/6/25
$42.69
$43.32
165,259
-23.3
D
R
1/6/25 - 8:14:45 pm
21
    
 
LIAN BRIAN
PR,CEO,DIR
JB
---
256,133
---
1/3/25
---
---
2,561,060
11.1
D
R
1/6/25 - 8:16:00 pm
22
    
 
MANCINI MARIANNA
COO
JB
---
66,200
---
1/3/25
---
---
428,349
18.3
D
R
1/6/25 - 8:15:41 pm
23
    
 
ZANTE GREG
CFO
JB
---
66,200
---
1/3/25
---
---
215,568
44.3
D
R
1/6/25 - 8:14:45 pm
24
1y
3
0%
204%
1
MACARTNEY LAWSON
DIR
OS
$137,333
2,000
---
11/8/24
---
$68.67
47,965
-4.0
D
---
11/8/24 - 6:22:28 pm
25
    
 
MACARTNEY LAWSON
DIR
OE
$11,600
2,000
---
11/8/24
---
$5.80
49,965
4.2
D
---
11/8/24 - 6:22:28 pm
26
1y
9
44%
122%
2
ZANTE GREG
CFO
OS
$4,261,732
54,130
---
10/28/24
$77.68
$81.44
149,366
-26.6
D
10b
10/28/24 - 9:48:10 pm
27
1y
9
44%
122%
2
ZANTE GREG
CFO
OS
$5,827,433
77,557
---
10/28/24
$74.56
$76.94
203,496
-27.6
D
10b
10/28/24 - 9:48:10 pm
28
    
 
ZANTE GREG
CFO
OE
$704,282
94,001
---
10/28/24
$4.68
$8.52
281,053
50.3
D
10b
10/28/24 - 9:48:10 pm
29
1y
3
33%
2%
2
ROUAN SARAH KATHRYN
DIR
OS
$889,790
11,000
---
10/25/24
---
$80.89
---
All
D
10b
10/25/24 - 7:28:00 pm
30
    
 
ROUAN SARAH KATHRYN
DIR
OE
$53,680
11,000
---
10/25/24
---
$4.88
11,000
New
D
10b
10/25/24 - 7:28:00 pm
31
1y
5
100%
-55%
2
SINGLETON J MATTHEW
DIR
OS
$1,272,000
16,000
---
10/25/24
---
$79.50
9,500
-62.7
D
10b
10/25/24 - 7:27:22 pm
32
    
 
SINGLETON J MATTHEW
DIR
OE
$71,680
16,000
---
10/25/24
---
$4.48
25,500
168.4
D
10b
10/25/24 - 7:27:22 pm
33
1y
5
100%
-55%
2
SINGLETON J MATTHEW
DIR
OS
$715,850
10,300
---
9/20/24
---
$69.50
9,500
-52.0
D
10b
9/20/24 - 9:21:52 pm
34
    
 
SINGLETON J MATTHEW
DIR
OE
$12,257
10,300
---
9/20/24
---
$1.19
19,800
108.4
D
10b
9/20/24 - 9:21:52 pm
35
    
 
LIAN BRIAN
PR,CEO,DIR
OS
$15,308,553
216,130
---
9/20/24
$70.43
$71.98
2,304,927
-8.6
D
10b
9/20/24 - 9:20:57 pm
36
    
 
LIAN BRIAN
PR,CEO,DIR
OE
$1,290,830
166,130
---
9/20/24
---
$7.77
2,521,057
7.1
D
10b
9/20/24 - 9:20:57 pm
37
    
 
LIAN BRIAN
PR,CEO,DIR
OS
$69,900
1,000
---
8/21/24
---
$69.90
2,354,927
-0.0
D
10b
8/22/24 - 7:23:58 pm
38
    
 
LIAN BRIAN
PR,CEO,DIR
OE
$7,770
1,000
---
8/21/24
---
$7.77
2,355,927
0.0
D
10b
8/22/24 - 7:23:58 pm
39
1y
5
100%
-55%
2
SINGLETON J MATTHEW
DIR
OS
$397,430
5,700
---
8/21/24
---
$69.72
9,500
-37.5
D
10b
8/22/24 - 7:23:37 pm
40
    
 
SINGLETON J MATTHEW
DIR
OE
$6,783
5,700
---
8/21/24
---
$1.19
15,200
60.0
D
10b
8/22/24 - 7:23:37 pm
41
    
 
LIAN BRIAN
PR,CEO,DIR
AS
$7,426,508
112,870
---
8/19/24
$65.33
$67.12
2,354,927
-4.6
D
10b
8/19/24 - 8:13:31 pm
42
    
 
LIAN BRIAN
PR,CEO,DIR
OE
$877,000
112,870
---
8/19/24
---
$7.77
2,467,797
4.8
D
10b
8/19/24 - 8:13:31 pm
43
1y
5
100%
-55%
2
SINGLETON J MATTHEW
DIR
AS
$995,453
16,000
---
8/19/24
$60.01
$64.88
9,500
-62.7
D
10b
8/19/24 - 8:11:47 pm
44
    
 
SINGLETON J MATTHEW
DIR
OE
$53,280
16,000
---
8/19/24
---
$3.33
25,500
168.4
D
10b
8/19/24 - 8:11:47 pm
45
1y
5
100%
-55%
2
SINGLETON J MATTHEW
DIR
OS
$1,195,736
20,786
---
8/14/24
$57.52
$58.37
9,500
-68.6
D
10b
8/14/24 - 8:03:56 pm
46
    
 
SINGLETON J MATTHEW
DIR
OE
$166,288
20,786
---
8/14/24
---
$8.00
30,286
218.8
D
10b
8/14/24 - 8:03:56 pm
47
1y
9
44%
122%
2
ZANTE GREG
CFO
S
$922,212
16,136
---
7/30/24
$56.96
$58.71
187,052
-7.9
D
R
7/31/24 - 4:05:09 pm
48
    
 
MANCINI MARIANNA
COO
S
$1,029,912
18,026
---
7/30/24
$56.98
$57.82
362,149
-4.7
D
R
7/31/24 - 4:05:07 pm
49
    
 
LIAN BRIAN
PR,CEO,DIR
S
$6,670,604
115,859
---
7/30/24
$56.95
$58.78
2,354,927
-4.7
D
R
7/31/24 - 4:05:07 pm
50
    
 
ZANTE GREG
CFO
JB
---
28,334
---
7/29/24
---
---
203,188
16.2
D
R
7/31/24 - 4:05:09 pm
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