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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:
LYELL IMMUNOPHARMA INC: LYEL
Price: 9/12/25 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
$12.82 $32.00 $7.65 $246 19 78 0.0% 0.9% 50.02% 20.56%
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
1m
1
0%
24%
2
SEELY LYNN
PR,CEO,DIR
S
$76,518
7,257
---
8/21/25
---
$10.54
67,571
-9.7
D
R
8/22/25 - 4:07:24 pm
2
    
 
HILL STEPHEN J
COO
S
$10,586
1,004
---
8/21/25
---
$10.54
15,845
-6.0
D
R
8/22/25 - 4:06:04 pm
3
    
 
NEWTON CHARLES W
CFO
S
$15,320
1,453
---
8/21/25
---
$10.54
15,306
-8.7
D
R
8/22/25 - 4:03:25 pm
4
    
 
LEE GARY K
O
S
$15,320
1,453
---
8/21/25
---
$10.54
15,504
-8.6
D
R
8/22/25 - 4:02:06 pm
5
    
 
SEELY LYNN
PR,CEO,DIR
JB
---
40,000
---
8/20/25
---
---
74,828
114.9
D
R
8/22/25 - 4:07:24 pm
6
    
 
HILL STEPHEN J
COO
JB
---
8,000
---
8/20/25
---
---
16,849
90.4
D
R
8/22/25 - 4:06:04 pm
7
    
 
NEWTON CHARLES W
CFO
JB
---
8,000
---
8/20/25
---
---
16,759
91.3
D
R
8/22/25 - 4:03:25 pm
8
    
 
LEE GARY K
O
JB
---
8,000
---
8/20/25
---
---
16,957
89.3
D
R
8/22/25 - 4:02:06 pm
9
1m
1
0%
24%
2
SEELY LYNN
PR,CEO,DIR
S
$8,313
797
8/11/25
8/12/25
---
$10.34
34,828
-2.2
D
R
8/13/25 - 9:10:46 pm
10
    
 
HILL STEPHEN J
COO
S
$1,930
185
8/11/25
8/12/25
---
$10.34
8,849
-2.0
D
R
8/13/25 - 9:09:33 pm
11
    
 
LEE GARY K
O
S
$2,785
267
8/11/25
8/12/25
---
$10.34
8,957
-2.9
D
R
8/13/25 - 9:08:15 pm
12
    
 
NEWTON CHARLES W
CFO
S
$2,785
267
8/11/25
8/12/25
---
$10.34
8,759
-3.0
D
R
8/13/25 - 9:06:02 pm
13
    
 
ARCH VENTURE FUND XIII L P
BO
3
---
---
---
7/25/25
---
---
938,438
---
I
---
7/29/25 - 9:23:58 pm
14
    
 
SHOOK DAVID
O
JB
---
21,900
---
6/9/25
---
---
21,900
New
D
R
6/11/25 - 5:45:48 pm
15
    
 
BACHLEDA MARK
DIR
3
---
---
---
6/9/25
---
---
---
---
---
---
6/11/25 - 5:42:27 pm
16
    
 
MELTZ MARK A
GC
3
---
---
---
6/9/25
---
---
---
---
---
---
6/11/25 - 5:40:49 pm
17
    
 
SHOOK DAVID
O
3
---
---
---
6/9/25
---
---
---
---
---
---
6/11/25 - 5:38:58 pm
18
3m
1
100%
1,758%
2
BRAWLEY OTIS W
DIR
B
$19,958
35,640
---
3/31/25
---
$0.56
35,640
New
D
---
4/2/25 - 3:46:01 pm
19
3m
1
100%
1,725%
2
RAMACHANDRA SUMANT
DIR
B
$115,220
200,000
---
3/21/25
---
$0.58
200,000
New
I
---
3/25/25 - 6:46:17 pm
20
    
 
NEWTON CHARLES W
CFO
B
$111,620
200,000
---
3/17/25
---
$0.56
200,000
New
I
---
3/18/25 - 7:01:35 pm
21
6m
1
100%
2,157%
3
KLAUSNER RICHARD
DIR
B
$94,942
158,000
---
3/14/25
---
$0.60
843,365
23.1
I
---
3/18/25 - 8:07:51 pm
22
3m
1
100%
1,636%
2
SEELY LYNN
PR,CEO,DIR
B
$106,190
175,000
---
3/14/25
---
$0.61
712,500
32.6
D
---
3/18/25 - 6:59:18 pm
23
    
 
LANG MATTHEW
O
JB
---
112,500
---
2/10/25
---
---
162,500
225.0
D
R
2/26/25 - 7:36:04 pm
24
    
 
SEELY LYNN
PR,CEO,DIR
JB
---
337,500
---
2/10/25
---
---
537,500
168.8
D
R
2/26/25 - 7:33:46 pm
25
    
 
HILL STEPHEN J
COO
JB
---
112,500
---
2/10/25
---
---
172,899
186.3
D
R
2/26/25 - 7:31:23 pm
26
    
 
NEWTON CHARLES W
CFO
JB
---
112,500
---
2/10/25
---
---
172,725
186.8
D
R
2/26/25 - 7:29:34 pm
27
    
 
LEE GARY K
O
JB
---
112,500
---
2/10/25
---
---
176,696
175.2
D
R
2/26/25 - 7:27:55 pm
28
    
 
RAMACHANDRA SUMANT
DIR
3
---
---
---
10/31/24
---
---
---
---
---
---
11/1/24 - 4:54:32 pm
29
    
 
LANG MATTHEW
O
JB
---
50,000
---
2/9/24
---
---
50,000
New
D
R
2/13/24 - 8:25:36 pm
30
    
 
HILL STEPHEN J
COO
JB
---
40,000
---
2/9/24
---
---
48,928
448.0
D
R
2/13/24 - 8:24:01 pm
31
    
 
LEE GARY K
O
JB
---
40,000
---
2/9/24
---
---
52,700
315.0
D
R
2/13/24 - 8:22:01 pm
32
    
 
NEWTON CHARLES W
CFO
JB
---
40,000
---
2/9/24
---
---
48,729
458.2
D
R
2/13/24 - 8:19:16 pm
33
    
 
SEELY LYNN
PR,CEO,DIR
JB
---
200,000
---
2/9/24
---
---
200,000
New
D
R
2/13/24 - 8:17:30 pm
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