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 B  AB  JB*  OB  OE*  OE
 S  AS  JS*  OS  OS*  3
 JB
 JS
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Detailed Insider History for:
SURROZEN INC DE: SRZN
Price: 10/24/22 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
$2.64 $10.35 $1.92 $93 35 9 0.0% 0.8% 68.10% 6.88%
Exch Sector Industry Sub-Industry
NasdaqCM Manufacturing Chemicals And Allied Products Biological Products, (No Disgnostic Substances)
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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
    
 
LI YANG
VP
JB
$13,511
1,666
---
12/15/25
---
$8.11
14,709
12.8
D
---
12/16/25 - 7:14:25 pm
2
    
 
WILLIAMS CHARLES O
COO
JB
$13,511
1,666
---
12/15/25
---
$8.11
11,048
17.8
D
---
12/16/25 - 7:11:54 pm
3
    
 
PARKER CRAIG C
CEO,DIR
JB
$12,595
1,553
---
12/15/25
---
$8.11
8,577
22.1
D
---
12/16/25 - 7:10:01 pm
4
    
 
KUTZKEY TIM
DIR,BO
B
$694,850
36,150
12/4/25
12/5/25
$17.35
$19.54
981,890
3.8
I
---
12/8/25 - 5:09:18 pm
5
    
 
COLUMN GROUP III GP LP
BO
B
$694,850
36,150
12/4/25
12/5/25
$17.35
$19.54
981,890
3.8
I
---
12/8/25 - 5:04:34 pm
6
    
 
KUTZKEY TIM
DIR,BO
JB*
$3,990,531
315,457
---
11/13/25
---
$12.65
962,718
48.7
I
---
12/2/25 - 9:36:55 pm
7
    
 
COLUMN GROUP III GP LP
BO
JB*
$3,990,531
315,457
---
11/13/25
---
$12.65
962,718
48.7
I
---
11/17/25 - 7:15:37 pm
8
    
 
LI YANG
VP
JB
$3,224
400
---
6/13/25
---
$8.06
13,043
3.2
D
---
6/16/25 - 6:58:51 pm
9
    
 
WILLIAMS CHARLES O
CFO,COO
JB
$3,224
400
---
6/13/25
---
$8.06
9,382
4.5
D
---
6/16/25 - 6:47:48 pm
10
    
 
PARKER CRAIG C
CEO,DIR
JB
$3,224
400
---
6/13/25
---
$8.06
7,024
6.0
D
---
6/16/25 - 6:44:45 pm
11
    
 
KUTZKEY TIM
DIR
3
---
---
---
3/26/25
---
---
704,332
---
I
---
3/28/25 - 8:59:21 pm
12
    
 
KUTZKEY TIM
DIR
3
---
---
---
3/26/25
---
---
344,827
---
I
---
3/28/25 - 8:59:21 pm
13
    
 
KUTZKEY TIM
DIR
3
---
---
---
3/26/25
---
---
795,411
---
I
---
3/28/25 - 8:59:21 pm
14
    
 
COLUMN GROUP III GP LP
BO
JB*
$11,999,991
1,034,482
---
3/26/25
---
$11.60
795,411
---
I
---
3/28/25 - 8:57:08 pm
15
    
 
LI YANG
VP
S
$14,643
843
---
1/3/25
---
$17.37
13,345
-5.9
D
R
1/6/25 - 9:13:34 pm
16
    
 
WILLIAMS CHARLES O
CFO,COO
S
$20,514
1,181
---
1/3/25
---
$17.37
8,982
-11.6
D
R
1/6/25 - 8:07:26 pm
17
    
 
LI YANG
VP
JB
---
2,500
---
1/2/25
---
---
14,188
21.4
D
R
1/6/25 - 9:13:34 pm
18
    
 
WILLIAMS CHARLES O
CFO,COO
JB
---
3,500
---
1/2/25
---
---
10,163
52.5
D
R
1/6/25 - 8:07:26 pm
19
    
 
LI YANG
VP
JB
$2,268
400
---
6/14/24
---
$5.67
10,888
3.8
D
---
6/18/24 - 7:44:53 pm
20
    
 
WILLIAMS CHARLES O
CFO,COO
JB
$2,268
400
---
6/14/24
---
$5.67
5,863
7.3
D
---
6/18/24 - 7:41:51 pm
21
    
 
PARKER CRAIG C
CEO,DIR
JB
$2,268
400
---
6/14/24
---
$5.67
5,824
7.4
D
---
6/18/24 - 7:38:48 pm
22
    
 
COLUMN GROUP III GP LP
BO
JB*
$2,999,994
193,548
---
4/4/24
---
$15.50
326,992
145.0
I
A
4/17/24 - 4:14:56 pm
23
    
 
KUTZKEY TIM
DIR,BO
JB*
$2,999,994
193,548
---
4/4/24
---
$15.50
326,992
145.0
I
A
4/17/24 - 4:10:51 pm
24
    
 
WILLIAMS CHARLES O
CFO,COO
JB*
---
1,474
---
4/4/24
---
---
1,474
New
D
---
4/8/24 - 5:30:37 pm
25
1y
1
0%
-17%
1
PARKER CRAIG C
CEO,DIR
JB*
---
1,474
---
4/4/24
---
---
1,474
New
D
---
4/8/24 - 5:27:35 pm
26
    
 
KUTZKEY TIM
DIR,BO
JB*
$2,999,994
193,548
---
4/4/24
---
$15.50
332,885
138.9
I
---
4/8/24 - 4:24:22 pm
27
    
 
COLUMN GROUP III GP LP
BO
JB*
$2,999,994
193,548
---
4/4/24
---
$15.50
332,885
138.9
I
---
4/8/24 - 4:23:59 pm
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