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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:
GRITSTONE BIO INC: GRTS
Price: 10/25/24 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
$0.03 $3.17 $0.01 $4 118 17,524 0.0% 6.5% 29.03% 1.91%
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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
    
 
ALLEN ANDREW R
PR,CEO,DIR
JS
---
325,000
---
6/24/24
---
---
1,124,275
-22.4
I
---
6/26/24 - 9:25:58 pm
2
    
 
ALLEN ANDREW R
PR,CEO,DIR
JS
---
325,000
---
6/24/24
---
---
985,360
-24.8
D
---
6/26/24 - 9:25:58 pm
3
    
 
ALLEN ANDREW R
PR,CEO,DIR
S
$18,156
24,263
---
5/16/24
---
$0.75
985,360
-2.4
D
R
5/17/24 - 9:58:30 pm
4
1y
3
100%
-74%
1
JONES ERIN
VP,COO
S
$10,288
13,749
---
5/16/24
---
$0.75
359,293
-3.7
D
R
5/17/24 - 9:57:57 pm
5
    
 
JOOSS KARIN
O
S
$10,288
13,749
---
5/16/24
---
$0.75
683,526
-2.0
D
R
5/17/24 - 9:57:14 pm
6
    
 
HAWRYLUK MATTHEW
VP
S
$6,929
9,259
---
5/16/24
---
$0.75
313,931
-2.9
D
R
5/17/24 - 9:56:19 pm
7
--
--
--
--
2
ECONOMIDES VASSILIKI
VP,CFO
S
$10,288
13,749
---
5/16/24
---
$0.75
262,437
-5.0
D
R
5/17/24 - 9:55:38 pm
8
    
 
ALLEN ANDREW R
PR,CEO,DIR
JB
---
47,873
---
5/15/24
---
---
1,009,623
5.0
D
R
5/17/24 - 9:58:30 pm
9
    
 
JONES ERIN
VP,COO
JB
---
27,128
---
5/15/24
---
---
373,042
7.8
D
R
5/17/24 - 9:57:57 pm
10
    
 
JOOSS KARIN
O
JB
---
27,128
---
5/15/24
---
---
697,275
4.0
D
R
5/17/24 - 9:57:14 pm
11
    
 
HAWRYLUK MATTHEW
VP
JB
---
19,149
---
5/15/24
---
---
323,190
6.3
D
R
5/17/24 - 9:56:19 pm
12
    
 
ECONOMIDES VASSILIKI
VP,CFO
JB
---
27,128
---
5/15/24
---
---
276,186
10.9
D
R
5/17/24 - 9:55:38 pm
13
    
 
CHO JAMES
VP,CAO
JB
---
10,800
---
5/3/24
---
---
155,123
7.5
D
R
5/17/24 - 9:54:47 pm
14
    
 
WEBSTER STEPHEN W
DIR
3
---
---
---
4/26/24
---
---
25,000
---
D
---
4/30/24 - 6:24:20 pm
15
    
 
HAWRYLUK MATTHEW
VP
JB
---
35,000
---
2/1/24
---
---
286,880
13.9
D
R
2/5/24 - 7:22:23 pm
16
    
 
JONES ERIN
VP,COO
JB
---
40,000
---
2/1/24
---
---
324,618
14.1
D
R
2/5/24 - 7:18:36 pm
17
    
 
ECONOMIDES VASSILIKI
VP,CFO
JB
---
35,000
---
2/1/24
---
---
227,762
18.2
D
R
2/5/24 - 7:14:08 pm
18
    
 
JOOSS KARIN
O
JB
---
40,000
---
2/1/24
---
---
648,851
6.6
D
R
2/5/24 - 7:08:28 pm
19
    
 
CHO JAMES
VP,CAO
JB
---
18,000
---
2/1/24
---
---
138,644
14.9
D
R
2/5/24 - 7:03:48 pm
20
    
 
ALLEN ANDREW R
PR,CEO,DIR
JB
---
105,000
---
2/1/24
---
---
899,345
13.2
D
R
2/5/24 - 6:57:51 pm
21
1w
1
100%
10%
2
ECONOMIDES VASSILIKI
O
B
$22,829
12,000
---
5/23/23
---
$1.90
214,058
5.9
D
R
5/24/23 - 5:24:59 pm
22
    
 
JOOSS KARIN
O
JB
---
252,763
---
2/2/23
---
---
630,147
67.0
D
R
2/6/23 - 5:32:30 pm
23
    
 
JONES ERIN
O
JB
---
252,845
---
2/2/23
---
---
305,914
476.4
D
R
2/6/23 - 5:31:08 pm
24
    
 
HAWRYLUK MATTHEW
O
JB
---
191,771
---
2/2/23
---
---
248,311
339.2
D
R
2/6/23 - 5:29:53 pm
25
    
 
ECONOMIDES VASSILIKI
O
JB
---
179,058
---
2/2/23
---
---
202,058
778.5
D
R
2/6/23 - 5:28:32 pm
26
    
 
CHO JAMES
CAO
JB
---
64,515
---
2/2/23
---
---
111,407
137.6
D
R
2/6/23 - 5:27:30 pm
27
    
 
ALLEN ANDREW R
PR,CEO,DIR
JB
---
738,550
---
2/2/23
---
---
856,750
624.8
D
R
2/6/23 - 5:26:18 pm
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