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Detailed Insider History for:
GRAIL INC: GRAL
Price: 10/24/25 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
$89.39 $103.00 $12.76 $3,222 36 972 0.0% 15.3% 68.56% 14.00%
Exch Sector Industry Sub-Industry
NasdaqGS Services Health Services Services- Medical Laboratories
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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
    
 
OFMAN JOSHUA J
PR
AS
$1,175,394
14,979
10/15/25
10/16/25
$76.03
$82.01
381,818
-3.8
D
10b
10/16/25 - 6:17:50 pm
2
1y
1
0%
449%
3
RAGUSA ROBERT P
CEO,DIR
S
$498,622
7,239
---
10/15/25
---
$68.88
727,388
-1.0
D
---
10/16/25 - 6:18:02 pm
3
    
 
MIZELL STEVEN
DIR
JB
$20,164
267
---
10/15/25
---
$75.52
36,469
0.7
D
---
10/16/25 - 6:17:56 pm
4
    
 
SUMME GREGORY L
DIR
JB
$32,096
425
---
10/15/25
---
$75.52
38,794
1.1
D
---
10/16/25 - 6:17:44 pm
5
    
 
CHASE WILLIAM J
DIR
JB
$20,768
275
---
10/15/25
---
$75.52
36,590
0.8
D
---
10/16/25 - 6:17:37 pm
6
    
 
OFMAN JOSHUA J
PR
S
$5,086,563
81,385
---
10/6/25
---
$62.50
396,797
-17.0
D
---
10/8/25 - 4:14:09 pm
7
    
 
OFMAN JOSHUA J
PR
AS
$620,312
9,692
---
10/2/25
---
$64.00
478,182
-2.0
D
10b
10/3/25 - 7:01:29 pm
8
    
 
OFMAN JOSHUA J
PR
S
$134,548
4,202
---
8/19/25
---
$32.02
487,874
-0.9
D
---
8/20/25 - 4:24:55 pm
9
    
 
FREIDIN AARON
CFO
S
$28,082
877
---
8/19/25
---
$32.02
285,143
-0.3
D
---
8/20/25 - 4:23:02 pm
10
    
 
CHASE WILLIAM J
DIR
JB
$20,536
533
---
7/15/25
---
$38.53
36,315
1.5
D
---
7/17/25 - 5:47:43 pm
11
    
 
SUMME GREGORY L
DIR
JB
$31,787
825
---
7/15/25
---
$38.53
38,369
2.2
D
---
7/17/25 - 5:46:42 pm
12
    
 
MIZELL STEVEN
DIR
JB
$19,920
517
---
7/15/25
---
$38.53
36,202
1.4
D
---
7/17/25 - 5:45:35 pm
13
    
 
FREIDIN AARON
CFO
AS
$311,440
8,000
---
7/15/25
---
$38.93
286,020
-2.7
D
10b
7/17/25 - 5:44:21 pm
14
    
 
DING CHUN R
BO
S
$16,830,152
339,800
---
7/1/25
$48.88
$50.25
3,305,055
-9.3
I
---
7/3/25 - 4:31:31 pm
15
    
 
OFMAN JOSHUA J
PR
AS
$503,984
9,692
---
6/30/25
---
$52.00
492,076
-1.9
D
10b
7/1/25 - 4:11:15 pm
16
    
 
OFMAN JOSHUA J
PR
AS
$410,019
9,692
---
6/12/25
---
$42.30
501,768
-1.9
D
10b
6/16/25 - 4:08:27 pm
17
    
 
SUMME GREGORY L
DIR
JB
$249,970
6,082
---
5/29/25
---
$41.10
37,544
19.3
D
R
5/30/25 - 7:24:34 pm
18
    
 
CHASE WILLIAM J
DIR
JB
$249,970
6,082
---
5/29/25
---
$41.10
35,782
20.5
D
R
5/30/25 - 7:23:43 pm
19
    
 
MIZELL STEVEN
DIR
JB
$249,970
6,082
---
5/29/25
---
$41.10
35,685
20.5
D
R
5/30/25 - 7:22:57 pm
20
    
 
KREVANS SARAH
DIR
JB
$249,970
6,082
---
5/29/25
---
$41.10
37,137
19.6
D
R
5/30/25 - 7:21:56 pm
21
    
 
OFMAN JOSHUA J
PR
S
$1,635,867
48,213
---
5/2/25
---
$33.93
511,460
-8.6
D
---
5/5/25 - 9:44:24 pm
22
    
 
FREIDIN AARON
CFO
S
$1,396,220
41,150
---
5/2/25
---
$33.93
294,020
-12.3
D
---
5/5/25 - 8:46:25 pm
23
1y
1
0%
449%
3
RAGUSA ROBERT P
CEO,DIR
S
$3,190,608
94,035
---
5/2/25
---
$33.93
734,627
-11.3
D
---
5/5/25 - 8:44:41 pm
24
    
 
CHASE WILLIAM J
DIR
JB
$20,337
784
---
4/15/25
---
$25.94
29,700
2.7
D
---
4/16/25 - 6:34:35 pm
25
    
 
MIZELL STEVEN
DIR
JB
$19,714
760
---
4/15/25
---
$25.94
29,603
2.6
D
---
4/16/25 - 6:32:53 pm
26
    
 
SUMME GREGORY L
DIR
JB
$31,439
1,212
---
4/15/25
---
$25.94
31,462
4.0
D
---
4/16/25 - 6:30:43 pm
27
    
 
FREIDIN AARON
CFO
S
$56,659
1,816
---
3/11/25
---
$31.20
335,170
-0.5
D
A
4/3/25 - 4:45:06 pm
28
1y
1
0%
449%
3
RAGUSA ROBERT P
CEO,DIR
S
$237,976
7,625
---
3/11/25
---
$31.21
828,662
-0.9
D
A
4/3/25 - 4:43:43 pm
29
    
 
OFMAN JOSHUA J
PR
S
$65,801
2,109
---
3/11/25
---
$31.20
559,673
-0.4
D
A
4/3/25 - 4:42:42 pm
30
1y
1
0%
449%
3
RAGUSA ROBERT P
CEO,DIR
S
$237,976
7,625
---
3/7/25
---
$31.21
828,662
-0.9
D
---
3/12/25 - 4:07:34 pm
31
    
 
OFMAN JOSHUA J
PR
S
$65,801
2,109
---
3/7/25
---
$31.20
559,673
-0.4
D
---
3/12/25 - 4:06:09 pm
32
    
 
FREIDIN AARON
CFO
S
$56,659
1,816
---
3/7/25
---
$31.20
335,170
-0.5
D
---
3/12/25 - 4:04:23 pm
33
    
 
FREIDIN AARON
CFO
JB
$1,996,593
69,230
---
2/3/25
---
$28.84
337,507
25.8
D
R
2/4/25 - 5:21:58 pm
34
    
 
OFMAN JOSHUA J
PR
JB
$3,194,607
110,770
---
2/3/25
---
$28.84
562,307
24.5
D
R
2/4/25 - 5:21:05 pm
35
    
 
RAGUSA ROBERT P
CEO
JB
$6,478,041
224,620
---
2/3/25
---
$28.84
837,281
36.7
D
R
2/4/25 - 5:19:50 pm
36
    
 
CHASE WILLIAM J
DIR
JB
$20,780
1,182
---
1/15/25
---
$17.58
28,916
4.3
D
---
1/16/25 - 4:53:42 pm
37
    
 
MIZELL STEVEN
DIR
JB
$20,164
1,147
---
1/15/25
---
$17.58
28,843
4.1
D
---
1/16/25 - 4:52:39 pm
38
    
 
SUMME GREGORY L
DIR
JB
$32,136
1,828
---
1/15/25
---
$17.58
30,250
6.4
D
---
1/16/25 - 4:51:53 pm
39
    
 
FREIDIN AARON
CFO
S
$426,937
30,452
---
11/18/24
---
$14.02
268,277
-10.2
D
---
11/19/24 - 4:06:12 pm
40
    
 
CHASE WILLIAM J
DIR
JB
$2,860
210
---
10/30/24
---
$13.62
27,734
0.8
D
---
11/1/24 - 6:17:12 pm
41
    
 
MIZELL STEVEN
DIR
JB
$3,378
248
---
10/30/24
---
$13.62
27,696
0.9
D
---
11/1/24 - 6:16:42 pm
42
    
 
SUMME GREGORY L
DIR
JB
$4,032
296
---
10/30/24
---
$13.62
28,422
1.1
D
---
11/1/24 - 6:16:19 pm
43
    
 
KREVANS SARAH
DIR
JB
---
31,055
---
10/21/24
---
---
31,055
New
D
R
11/1/24 - 6:17:33 pm
44
    
 
KREVANS SARAH
DIR
3
---
---
---
10/21/24
---
---
31,055
---
D
R
10/23/24 - 4:50:25 pm
45
    
 
MIZELL STEVEN
DIR
JB
$13,702
978
---
10/15/24
---
$14.01
27,448
3.7
D
---
10/17/24 - 6:35:12 pm
46
    
 
SUMME GREGORY L
DIR
JB
$23,201
1,656
---
10/15/24
---
$14.01
28,126
6.3
D
---
10/17/24 - 6:34:20 pm
47
    
 
CHASE WILLIAM J
DIR
JB
$14,767
1,054
---
10/15/24
---
$14.01
27,524
4.0
D
---
10/17/24 - 6:33:47 pm
48
1y
1
0%
449%
3
RAGUSA ROBERT P
CEO
S
$1,730,825
123,454
---
10/15/24
---
$14.02
612,661
-16.8
D
---
10/17/24 - 6:32:56 pm
49
    
 
DING CHUN R
BO
B
$209,304
16,200
---
10/9/24
---
$12.92
3,644,855
0.4
I
---
10/10/24 - 7:45:32 pm
50
    
 
DING CHUN R
BO
B
$815,394
62,629
10/1/24
10/3/24
---
$12.71
3,558,655
1.8
I
---
10/10/24 - 7:45:32 pm
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