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Detailed Insider History for:
ADAPTIVE BIOTECHNOLOGIES CORP: ADPT
Price: 3/6/26 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
$14.86 $20.76 $6.26 $2,288 154 2,040 0.0% 7.6% 100.82% 1.49%
Exch Sector Industry Sub-Industry
NasdaqGS Manufacturing Chemicals And Allied Products Biological Products, (No Disgnostic Substances)
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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
    
 
ROBINS HARLAN S
O
JB
---
837,033
3/4/26
3/6/26
---
---
1,992,324
72.5
D
---
3/6/26 - 7:21:34 pm
2
    
 
ROBINS CHAD M
CEO,CB,DIR
JB
---
837,033
3/4/26
3/6/26
---
---
2,771,280
43.3
D
---
3/6/26 - 7:05:10 pm
3
1y
40
83%
-35%
1
RUBINSTEIN JULIE
PR,COO
OS
$1,493,428
92,823
3/3/26
3/5/26
$15.49
$16.00
575,235
-13.9
D
10b
3/5/26 - 7:42:57 pm
4
    
 
RUBINSTEIN JULIE
PR,COO
OE
$721,993
79,809
3/3/26
3/5/26
$6.55
$12.14
614,852
14.9
D
10b
3/5/26 - 7:42:57 pm
5
    
 
NEUPERT PETER M
DIR
JB
---
15,625
---
3/4/26
---
---
240,315
7.0
D
---
3/6/26 - 7:59:17 pm
6
    
 
HERSHBERG ROBERT
DIR
JB
---
15,625
---
3/4/26
---
---
62,347
33.4
D
---
3/6/26 - 7:49:06 pm
7
    
 
LO FRANCIS
HR
JB
---
44,063
---
3/4/26
---
---
360,041
13.9
D
---
3/6/26 - 7:35:04 pm
8
    
 
BOBULSKY SUSAN
O
JB
---
121,875
---
3/4/26
---
---
469,113
35.1
D
---
3/6/26 - 7:31:58 pm
9
    
 
BENZENO SHARON
O
JB
---
39,063
---
3/4/26
---
---
335,854
13.2
D
---
3/6/26 - 7:28:29 pm
10
    
 
RUBINSTEIN JULIE
PR,COO
JB
---
81,250
---
3/4/26
---
---
656,485
14.1
D
---
3/6/26 - 7:25:03 pm
11
    
 
PISKEL KYLE
CFO
JB
---
61,875
---
3/4/26
---
---
278,512
28.6
D
---
3/6/26 - 7:17:22 pm
12
    
 
OWEN KATEY EINTERZ
DIR
JB
---
15,625
---
3/4/26
---
---
88,254
21.5
D
---
3/6/26 - 7:10:30 pm
13
    
 
GRIFFIN MICHELLE RENEE
DIR
JB
---
15,625
---
3/4/26
---
---
31,019
101.5
D
---
3/6/26 - 7:08:49 pm
14
1y
14
93%
-55%
2
GRIFFIN MICHELLE RENEE
DIR
OS
$735,073
48,044
---
3/3/26
---
$15.30
15,394
-75.7
D
10b
3/5/26 - 8:05:19 pm
15
    
 
GRIFFIN MICHELLE RENEE
DIR
OE
$191,696
48,044
---
3/3/26
---
$3.99
63,438
312.1
D
10b
3/5/26 - 8:05:19 pm
16
1y
29
83%
-27%
1
ROBINS HARLAN S
O
AS
$392,329
24,233
3/2/26
3/3/26
$15.72
$16.52
1,155,291
-2.1
D
10b
3/4/26 - 7:58:30 pm
17
1y
32
69%
0%
1
ROBINS CHAD M
CEO,CB,DIR
AS
$8,320,613
524,998
2/27/26
3/3/26
$15.49
$16.15
1,934,247
-21.3
D
10b
3/3/26 - 7:51:32 pm
18
    
 
PISKEL KYLE
CFO
OS
$39,597
2,145
---
2/4/26
---
$18.46
216,637
-1.0
D
10b
2/6/26 - 7:30:18 pm
19
    
 
PISKEL KYLE
CFO
OE
$26,040
2,145
---
2/4/26
---
$12.14
218,782
1.0
D
10b
2/6/26 - 7:30:18 pm
20
1y
29
83%
-27%
1
ROBINS HARLAN S
O
AS
$799,105
42,788
2/2/26
2/3/26
$18.60
$19.00
1,179,524
-3.5
D
10b
2/4/26 - 7:48:48 pm
21
1y
32
69%
0%
1
ROBINS CHAD M
CEO,CB,DIR
AS
$2,304,963
124,998
---
2/2/26
---
$18.44
2,459,245
-4.8
D
10b
2/4/26 - 7:37:09 pm
22
    
 
LO FRANCIS
HR
OS
$1,411,131
79,590
---
1/12/26
---
$17.73
315,978
-20.1
D
10b
1/14/26 - 7:42:21 pm
23
    
 
LO FRANCIS
HR
OE
$614,022
79,590
---
1/12/26
---
$3.99
395,568
25.2
D
10b
1/14/26 - 7:42:21 pm
24
    
 
PISKEL KYLE
CFO
OS
$77,220
4,290
---
1/12/26
---
$18.00
216,637
-1.9
D
10b
1/14/26 - 7:17:23 pm
25
    
 
PISKEL KYLE
CFO
OE
$52,081
4,290
---
1/12/26
---
$12.14
220,927
2.0
D
10b
1/14/26 - 7:17:23 pm
26
1y
29
83%
-27%
1
ROBINS HARLAN S
O
AS
$164,400
10,000
---
1/6/26
---
$16.44
1,222,312
-0.8
D
10b
1/8/26 - 8:17:37 pm
27
1y
32
69%
0%
1
ROBINS CHAD M
CEO,CB,DIR
AS
$1,948,719
124,998
---
1/5/26
---
$15.59
2,584,243
-4.6
D
10b
1/7/26 - 8:30:17 pm
28
    
 
LO FRANCIS
HR
OS
$50,250
3,125
---
1/2/26
---
$16.08
315,978
-1.0
D
10b
1/6/26 - 7:52:39 pm
29
    
 
LO FRANCIS
HR
OE
$12,469
3,125
---
1/2/26
---
$3.99
319,103
1.0
D
10b
1/6/26 - 7:52:39 pm
30
    
 
LO FRANCIS
HR
AS
$76,895
4,394
---
12/22/25
---
$17.50
315,978
-1.4
D
A,10b
1/7/26 - 8:52:30 pm
31
    
 
LO FRANCIS
HR
OE
$26,640
4,394
---
12/22/25
---
$3.99
320,372
1.4
D
A,10b
1/7/26 - 8:52:30 pm
32
    
 
LO FRANCIS
HR
OS
$76,895
4,394
---
12/22/25
---
$17.50
315,978
-1.4
D
10b
12/29/25 - 6:27:43 pm
33
    
 
LO FRANCIS
HR
OE
$31,530
4,394
---
12/22/25
---
$3.99
320,372
1.4
D
10b
12/29/25 - 6:27:43 pm
34
    
 
LO FRANCIS
HR
OS
$1,773,267
113,890
---
12/15/25
---
$15.57
315,978
-26.5
D
10b
12/17/25 - 7:06:34 pm
35
    
 
LO FRANCIS
HR
OE
$617,766
97,022
---
12/15/25
---
$3.99
429,868
29.1
D
10b
12/17/25 - 7:06:34 pm
36
1y
13
92%
-35%
4
HERSHBERG ROBERT
DIR
S
$367,488
22,968
---
12/10/25
---
$16.00
46,722
-33.0
D
---
12/12/25 - 7:11:10 pm
37
    
 
BENZENO SHARON
O
OS
$212,377
12,604
---
12/4/25
---
$16.85
296,791
-4.1
D
10b
12/8/25 - 8:00:57 pm
38
    
 
BENZENO SHARON
O
OE
$103,835
12,604
---
12/4/25
---
$3.99
309,395
4.2
D
10b
12/8/25 - 8:00:57 pm
39
1y
29
83%
-27%
1
ROBINS HARLAN S
O
AS
$672,515
37,212
12/3/25
12/4/25
---
$16.61
1,232,312
-2.9
D
10b
12/5/25 - 6:30:45 pm
40
1y
32
69%
0%
1
ROBINS CHAD M
CEO,CB,DIR
AS
$3,070,747
160,734
11/26/25
12/1/25
---
$18.94
2,709,241
-5.6
D
10b
12/1/25 - 7:27:35 pm
41
    
 
PISKEL KYLE
CFO
OS
$3,174,990
162,820
---
11/28/25
---
$19.50
216,637
-42.9
D
10b
12/2/25 - 6:45:03 pm
42
    
 
PISKEL KYLE
CFO
OE
$1,253,541
110,114
---
11/28/25
$6.55
$12.14
379,457
40.9
D
10b
12/2/25 - 6:45:03 pm
43
    
 
BENZENO SHARON
O
OS
$10,144,026
606,402
11/20/25
11/21/25
$16.54
$16.91
296,791
-67.1
D
10b
11/24/25 - 9:39:47 pm
44
    
 
BENZENO SHARON
O
OE
$4,464,559
510,470
11/20/25
11/21/25
---
$3.99
605,268
538.5
D
10b
11/24/25 - 9:39:47 pm
45
    
 
PISKEL KYLE
CFO
S
$3,344
238
---
11/17/25
---
$14.05
269,343
-0.1
D
---
11/18/25 - 7:14:46 pm
46
1y
32
69%
0%
1
ROBINS CHAD M
CEO,CB,DIR
AS
$1,315,180
89,265
11/10/25
11/12/25
$14.57
$15.00
2,869,975
-3.0
D
10b
11/12/25 - 7:19:02 pm
47
1y
29
83%
-27%
1
ROBINS HARLAN S
O
AS
$148,200
10,000
---
11/10/25
---
$14.82
1,269,524
-0.8
D
10b
11/12/25 - 7:30:54 pm
48
    
 
PISKEL KYLE
CFO
S
$17,149
1,929
---
5/16/25
---
$8.89
269,581
-0.7
D
A
5/20/25 - 7:46:28 pm
49
    
 
PISKEL KYLE
CFO
S
$17,149
1,929
---
5/16/25
---
$8.89
277,396
-0.7
D
---
5/19/25 - 7:59:39 pm
50
    
 
PISKEL KYLE
CFO
JB
---
7,815
---
5/15/25
---
---
279,325
2.9
D
---
5/19/25 - 7:59:39 pm
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