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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:
IGM BIOSCIENCES INC: IGMS
Price: 3/28/25 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
$1.24 $22.50 $1.15 $74 34 457 0.0% 6.0% 59.41% 38.81%
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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
7
86%
-35%
2
TAKIMOTO CHRIS H
O
S
$7,331
1,180
---
11/29/23
---
$6.21
53,562
-2.2
D
R
12/1/23 - 7:03:34 pm
2
    
 
GAUTHIER GEORGE
O
S
$7,331
1,180
---
11/29/23
---
$6.21
39,642
-2.9
D
R
12/1/23 - 7:02:49 pm
3
    
 
DECKER LISA LYNN
O
S
$7,331
1,180
---
11/29/23
---
$6.21
40,001
-2.9
D
R
12/1/23 - 7:01:53 pm
4
    
 
TAHIR MISBAH
CFO
S
$6,764
1,337
---
11/27/23
---
$5.06
49,608
-2.6
D
R
11/29/23 - 8:49:40 pm
5
    
 
SCHWARZER FRED
CEO,PR,DIR
S
$6,764
1,337
---
11/27/23
---
$5.06
120,424
-1.1
D
R
11/29/23 - 8:48:19 pm
6
    
 
KEYT BRUCE
O
S
$4,720
933
---
11/27/23
---
$5.06
137,125
-0.7
D
R
11/29/23 - 8:47:20 pm
7
    
 
GAUTHIER GEORGE
O
JB
$8,735
1,740
---
11/15/23
---
$5.02
40,822
4.5
D
R
12/1/23 - 7:02:49 pm
8
    
 
TAHIR MISBAH
CFO
JB
$2,740
234
---
11/15/23
---
$11.71
50,945
0.5
D
R
11/29/23 - 8:49:40 pm
9
    
 
THOMPSON ELIZABETH H Z
DIR
3
---
---
---
10/3/23
---
---
---
---
---
---
10/5/23 - 7:42:54 pm
10
    
 
GAUTHIER GEORGE
O
AS
$7,430
935
---
10/2/23
---
$7.95
39,082
-2.3
D
10b
10/3/23 - 7:55:09 pm
11
    
 
REDMILE GROUP LLC
DIR
JB
---
492
---
9/29/23
---
---
2,975,170
0.0
I
R
10/3/23 - 8:44:22 pm
12
    
 
LEE MICHAEL STEWART
DIR
JB
---
492
---
9/29/23
---
---
3,628
15.7
D
R
10/3/23 - 8:43:58 pm
13
    
 
TOPSOE JAKOB HALDOR
DIR,BO
JB
---
492
---
9/29/23
---
---
82,628
0.6
D
R
10/3/23 - 7:53:26 pm
14
    
 
TOPSOE CHRISTINA TENG
DIR,BO
JB
---
738
---
9/29/23
---
---
40,181
1.9
D
R
10/3/23 - 7:52:41 pm
15
    
 
LOBERG MICHAEL D
DIR
JB
---
1,138
---
9/29/23
---
---
1,138
New
D
R
10/3/23 - 7:51:34 pm
16
    
 
BEHRENS M KATHLEEN
DIR
JB
---
800
---
9/29/23
---
---
6,168
14.9
D
R
10/3/23 - 7:50:25 pm
17
    
 
BAKER BROS ADVISORS LP
DIR
JB
---
1,108
---
9/29/23
---
---
2,896,968
0.0
I
R
10/3/23 - 5:33:42 pm
18
    
 
GAUTHIER GEORGE
O
AS
$8,818
936
---
7/3/23
---
$9.42
40,017
-2.3
D
10b
7/5/23 - 9:08:45 pm
19
    
 
LOBERG MICHAEL D
DIR
JB
---
1,138
---
6/30/23
---
---
1,138
New
D
R
7/5/23 - 9:13:16 pm
20
1y
5
40%
93%
1
TOPSOE CHRISTINA TENG
DIR,BO
B
$27,957
3,000
---
6/30/23
---
$9.32
9,800
44.1
I
R
7/5/23 - 9:07:13 pm
21
    
 
TOPSOE CHRISTINA TENG
DIR,BO
JB
---
738
---
6/30/23
---
---
39,443
1.9
D
R
7/5/23 - 9:07:13 pm
22
    
 
BEHRENS M KATHLEEN
DIR
JB
---
800
---
6/30/23
---
---
5,368
17.5
D
R
7/5/23 - 9:05:47 pm
23
    
 
BAKER BROS ADVISORS LP
DIR
JB
---
1,108
---
6/30/23
---
---
2,896,414
0.0
I
R
7/5/23 - 5:05:52 pm
24
    
 
LEE MICHAEL STEWART
DIR
JB
---
492
---
6/30/23
---
---
3,136
18.6
D
R
7/3/23 - 9:47:07 pm
25
    
 
REDMILE GROUP LLC
DIR
JB
$515,651
55,232
6/29/23
6/30/23
---
$9.42
2,974,678
1.9
I
R
7/3/23 - 9:45:20 pm
26
1y
9
56%
144%
1
TOPSOE JAKOB HALDOR
DIR,BO
B
$64,222
7,492
6/29/23
6/30/23
---
$9.25
82,136
10.0
D
R
7/3/23 - 6:46:15 pm
27
1y
1
100%
-30%
15
REDMILE GROUP LLC
DIR
S
$757,585
80,423
---
6/29/23
---
$9.42
2,893,763
-2.7
I
R
7/3/23 - 9:45:20 pm
28
    
 
REDMILE GROUP LLC
DIR
JS
$515,651
54,740
---
6/29/23
---
$9.42
2,919,446
-1.8
I
R
7/3/23 - 9:45:20 pm
29
1y
3
67%
17%
15
REDMILE GROUP LLC
DIR
B
$757,585
80,423
---
6/29/23
---
$9.42
2,974,186
2.8
I
R
7/3/23 - 9:45:20 pm
30
1y
7
43%
46%
2
BEHRENS M KATHLEEN
DIR
JB*
$900,000
112,500
---
6/26/23
---
$8.00
330,700
51.6
I
---
6/28/23 - 7:34:40 pm
31
1y
7
86%
-35%
2
TAKIMOTO CHRIS H
O
S
$15,497
1,259
---
5/23/23
$12.30
$13.01
54,742
-2.2
D
R
5/25/23 - 7:24:46 pm
32
    
 
TAHIR MISBAH
CFO
S
$15,497
1,259
---
5/23/23
$12.30
$13.01
50,711
-2.4
D
R
5/25/23 - 7:23:40 pm
33
    
 
SCHWARZER FRED
CEO,PR,DIR
S
$15,497
1,259
---
5/23/23
$12.30
$13.01
121,761
-1.0
D
R
5/25/23 - 7:22:54 pm
34
    
 
KEYT BRUCE
O
S
$12,088
982
---
5/23/23
$12.30
$13.01
138,058
-0.7
D
R
5/25/23 - 7:21:43 pm
35
    
 
GAUTHIER GEORGE
O
S
$15,497
1,259
---
5/23/23
$12.30
$13.01
40,953
-3.0
D
R
5/25/23 - 7:20:49 pm
36
    
 
DECKER LISA LYNN
O
S
$15,497
1,259
---
5/23/23
$12.30
$13.01
41,181
-3.0
D
R
5/25/23 - 7:20:04 pm
37
    
 
TAKIMOTO CHRIS H
O
JB
$11,265
962
---
5/15/23
---
$11.71
56,001
1.7
D
R
5/25/23 - 7:24:46 pm
38
    
 
TAHIR MISBAH
CFO
JB
$4,661
398
---
5/15/23
---
$11.71
51,970
0.8
D
R
5/25/23 - 7:23:40 pm
39
    
 
SCHWARZER FRED
CEO,PR,DIR
JB
$11,242
960
---
5/15/23
---
$11.71
123,020
0.8
D
R
5/25/23 - 7:22:54 pm
40
    
 
KEYT BRUCE
O
JB
$11,242
960
---
5/15/23
---
$11.71
139,040
0.7
D
R
5/25/23 - 7:21:43 pm
41
    
 
DECKER LISA LYNN
O
JB
$11,253
961
---
5/15/23
---
$11.71
42,440
2.3
D
R
5/25/23 - 7:20:04 pm
42
    
 
SCHWARZER FRED
CEO,PR,DIR
JB
---
34,200
---
4/18/23
---
---
122,060
38.9
D
R
4/20/23 - 8:55:57 pm
43
    
 
KEYT BRUCE
O
JB
---
21,126
---
4/18/23
---
---
138,080
18.1
D
R
4/20/23 - 8:54:23 pm
44
    
 
GAUTHIER GEORGE
O
JB
---
8,334
---
4/18/23
---
---
42,212
24.6
D
R
4/20/23 - 8:52:50 pm
45
    
 
DECKER LISA LYNN
O
JB
---
8,497
---
4/18/23
---
---
41,479
25.8
D
R
4/20/23 - 8:50:45 pm
46
    
 
GAUTHIER GEORGE
O
AS
$11,781
935
---
4/5/23
---
$12.60
33,878
-2.7
D
R,10b
4/6/23 - 9:39:14 pm
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