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Adaptive Biotechnologies Corp

ADPT Net selling
CIK 0001478320 #1515 in the set updated 17 Sep 2026
Bought (12 mo)
$0.00
out of their own pocket, the only kind of buying there is
Sold (12 mo)
$118.67M
$32.46M on a plan · $70.75M straight out of an exercise
Sold at will
$15.46M
13 of 125 sales
Net
−$118.67M
−$15.46M against sales at will

By person

12 insiders · 125 transactions
81.1×

Chad Robins holds 81.1 times base salary in stock. $56.69M of shares against $698.26K in salary for 2025.

Salary from the company's own proxy. The shares are what Chad Robins last reported holding, valued at $26.00, the price Common Stock was last bought or sold at on the open market here, on 26 Aug 2026.

Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
ROBINS CHAD M
CEO and Chairman
—
$39.80M (19) scheduled
−$39.80M
2,180,518
1.37%
$56.69M
−15.4%
ROBINS HARLAN S
Chief Scientific Officer
—
$29.65M (17) scheduled
−$29.65M
812,058
0.5088%
$21.11M
−20.5%
BENZENO SHARON
Chief Commercial Ofc Imm Med
—
$14.69M (6) scheduled
−$14.69M
221,278
0.1386%
$5.75M
−32.4%
RUBINSTEIN JULIE
President and COO
—
$13.37M (47) scheduled
−$13.37M
377,802
0.2367%
$9.82M
−20.1%
LO FRANCIS
Chief People Officer
—
$9.90M (12) scheduled
−$9.90M
230,713
0.1446%
$6.00M
−9.1%
PISKEL KYLE
Chief Financial Officer
—
$3.58M (6) scheduled
−$3.58M
256,725
0.1609%
$6.67M
+74.9%
NEUPERT PETER M
Director
—
$3.14M (3) scheduled
−$3.14M
130,625
0.0818%
$3.40M
−22.8%
GRIFFIN MICHELLE RENEE
Director
—
$2.00M (3) scheduled
−$2.00M
15,625
0.0098%
$406.25K
−69.9%
BOBULSKY SUSAN
Chief Commercial Officer, MRD
—
$1.17M (8) scheduled
−$1.17M
396,989
0.2487%
$10.32M
+59.9%
HERSHBERG ROBERT
Director
—
$1.12M (3) scheduled
−$1.12M
46,683
0.0293%
$1.21M
−56.5%
OWEN KATEY EINTERZ
Director
—
$249.99K (1)
−$249.99K
66,100
0.0414%
$1.72M
+15.5%
Pellini Michael J
Director
—
—
—
69,690
0.0437%
$1.81M
+28.4%

Individual transactions

125
Insider
Date
Role
Action
Shares
Price
Amount
OWEN KATEY EINTERZ
26 Aug 2026
Director
Sell
9,615
$26.00
$249.99K
ROBINS CHAD M
18 Aug 2026
CEO and Chairman
Sold after exercise
204
$25.14
$5.13K
ROBINS CHAD M
18 Aug 2026
CEO and Chairman
Sold after exercise
278,472
$24.48
$6.82M
HERSHBERG ROBERT
18 Aug 2026
Director
Sold after exercise
15,664
$24.41
$382.36K
HERSHBERG ROBERT
18 Aug 2026
Director
Sold after exercise
15,000
$24.39
$365.85K
NEUPERT PETER M
17 Aug 2026
Director
Sold after exercise
69,690
$25.16
$1.75M
NEUPERT PETER M
17 Aug 2026
Director
Sold after exercise
40,000
$25.10
$1.00M
NEUPERT PETER M
17 Aug 2026
Director
Sold after exercise
15,000
$25.23
$378.45K
ROBINS CHAD M
17 Aug 2026
CEO and Chairman
Sold after exercise
2,525
$25.57
$64.56K
ROBINS CHAD M
17 Aug 2026
CEO and Chairman
Sold after exercise
318,799
$25.08
$8.00M
BOBULSKY SUSAN
10 Aug 2026
Chief Commercial Officer, MRD
Sold on a plan
3,000
$25.00
$75.00K
BOBULSKY SUSAN
30 Jul 2026
Chief Commercial Officer, MRD
Sold on a plan
1,299
$24.00
$31.18K
ROBINS HARLAN S
21 Jul 2026
Chief Scientific Officer
Sold after exercise
213,702
$22.12
$4.73M
ROBINS HARLAN S
21 Jul 2026
Chief Scientific Officer
Sold after exercise
278,698
$21.72
$6.05M
BOBULSKY SUSAN
16 Jul 2026
Chief Commercial Officer, MRD
Sold on a plan
5,000
$23.00
$115.00K
LO FRANCIS
15 Jul 2026
Chief People Officer
Sold after exercise
105,762
$22.59
$2.39M
LO FRANCIS
2 Jul 2026
Chief People Officer
Sold after exercise
44,838
$22.59
$1.01M
ROBINS HARLAN S
2 Jul 2026
Chief Scientific Officer
Sold on a plan
146,889
$22.45
$3.30M
ROBINS HARLAN S
2 Jul 2026
Chief Scientific Officer
Sold on a plan
239,351
$21.74
$5.20M
BOBULSKY SUSAN
1 Jul 2026
Chief Commercial Officer, MRD
Sold on a plan
487
$22.00
$10.71K
LO FRANCIS
1 Jul 2026
Chief People Officer
Sold after exercise
42,261
$22.50
$950.87K
LO FRANCIS
1 Jul 2026
Chief People Officer
Sold after exercise
8,743
$22.18
$193.92K
BENZENO SHARON
29 Jun 2026
Chief Commercial Ofc Imm Med
Sold after exercise
154,768
$21.14
$3.27M
BENZENO SHARON
26 Jun 2026
Chief Commercial Ofc Imm Med
Sold after exercise
11,034
$21.00
$231.71K
GRIFFIN MICHELLE RENEE
25 Jun 2026
Director
Sold after exercise
52,084
$20.18
$1.05M
BOBULSKY SUSAN
25 Jun 2026
Chief Commercial Officer, MRD
Sold on a plan
5,000
$20.50
$102.50K
ROBINS HARLAN S
16 Jun 2026
Chief Scientific Officer
Sold on a plan
6,160
$18.01
$110.94K
ROBINS HARLAN S
15 Jun 2026
Chief Scientific Officer
Sold on a plan
100,000
$17.37
$1.74M
BOBULSKY SUSAN
11 Jun 2026
Chief Commercial Officer, MRD
Sold on a plan
5,000
$19.00
$95.00K
BOBULSKY SUSAN
4 Jun 2026
Chief Commercial Officer, MRD
Sold on a plan
11,000
$18.00
$198.00K
LO FRANCIS
4 Jun 2026
Chief People Officer
Sold after exercise
39,741
$17.49
$695.07K
PISKEL KYLE
18 May 2026
Chief Financial Officer
Sell
3,115
$13.04
$40.62K
RUBINSTEIN JULIE
27 Apr 2026
President and COO
Sold after exercise
19,037
$14.23
$270.90K
RUBINSTEIN JULIE
24 Apr 2026
President and COO
Sold after exercise
19,060
$14.02
$267.22K
RUBINSTEIN JULIE
23 Apr 2026
President and COO
Sold after exercise
19,060
$13.74
$261.88K
RUBINSTEIN JULIE
22 Apr 2026
President and COO
Sold after exercise
19,060
$14.13
$269.32K
RUBINSTEIN JULIE
21 Apr 2026
President and COO
Sold after exercise
30,941
$14.66
$453.60K
RUBINSTEIN JULIE
20 Apr 2026
President and COO
Sold after exercise
19,060
$14.55
$277.32K
RUBINSTEIN JULIE
17 Apr 2026
President and COO
Sold after exercise
19,060
$14.57
$277.70K
RUBINSTEIN JULIE
16 Apr 2026
President and COO
Sold after exercise
19,060
$14.18
$270.27K
RUBINSTEIN JULIE
15 Apr 2026
President and COO
Sold after exercise
19,060
$14.61
$278.47K
RUBINSTEIN JULIE
14 Apr 2026
President and COO
Sold after exercise
19,060
$14.56
$277.51K
RUBINSTEIN JULIE
13 Apr 2026
President and COO
Sold after exercise
3,338
$14.08
$47.00K
RUBINSTEIN JULIE
13 Apr 2026
President and COO
Sold after exercise
15,722
$12.95
$203.60K
RUBINSTEIN JULIE
10 Apr 2026
President and COO
Sold after exercise
400
$13.48
$5.39K
RUBINSTEIN JULIE
10 Apr 2026
President and COO
Sold after exercise
18,660
$12.75
$237.92K
RUBINSTEIN JULIE
9 Apr 2026
President and COO
Sold after exercise
2,100
$14.44
$30.32K
RUBINSTEIN JULIE
9 Apr 2026
President and COO
Sold after exercise
16,960
$13.79
$233.88K
RUBINSTEIN JULIE
8 Apr 2026
President and COO
Sold after exercise
100
$15.48
$1.55K
RUBINSTEIN JULIE
8 Apr 2026
President and COO
Sold after exercise
30,841
$14.83
$457.37K
ROBINS CHAD M
8 Apr 2026
CEO and Chairman
Sold on a plan
37,263
$15.19
$566.02K
ROBINS HARLAN S
8 Apr 2026
Chief Scientific Officer
Sold on a plan
10,000
$14.85
$148.50K
LO FRANCIS
8 Apr 2026
Chief People Officer
Sold after exercise
22,564
$15.07
$340.04K
RUBINSTEIN JULIE
7 Apr 2026
President and COO
Sold after exercise
19,060
$13.56
$258.45K
RUBINSTEIN JULIE
6 Apr 2026
President and COO
Sold after exercise
19,060
$14.33
$273.13K
ROBINS CHAD M
6 Apr 2026
CEO and Chairman
Sold on a plan
83,332
$14.41
$1.20M
RUBINSTEIN JULIE
2 Apr 2026
President and COO
Sold after exercise
19,060
$14.60
$278.28K
RUBINSTEIN JULIE
1 Apr 2026
President and COO
Sold after exercise
19,060
$14.45
$275.42K
RUBINSTEIN JULIE
31 Mar 2026
President and COO
Sold after exercise
19,060
$13.45
$256.36K
RUBINSTEIN JULIE
30 Mar 2026
President and COO
Sold after exercise
19,060
$12.63
$240.73K
RUBINSTEIN JULIE
27 Mar 2026
President and COO
Sold after exercise
16,322
$13.48
$220.02K
RUBINSTEIN JULIE
27 Mar 2026
President and COO
Sold after exercise
2,738
$12.49
$34.20K
RUBINSTEIN JULIE
26 Mar 2026
President and COO
Sold after exercise
19,060
$14.12
$269.13K
RUBINSTEIN JULIE
25 Mar 2026
President and COO
Sold after exercise
19,060
$14.27
$271.99K
RUBINSTEIN JULIE
24 Mar 2026
President and COO
Sold after exercise
19,060
$13.70
$261.12K
RUBINSTEIN JULIE
23 Mar 2026
President and COO
Sold after exercise
19,060
$13.83
$263.60K
RUBINSTEIN JULIE
20 Mar 2026
President and COO
Sold after exercise
19,060
$13.37
$254.83K
RUBINSTEIN JULIE
19 Mar 2026
President and COO
Sold after exercise
19,060
$13.18
$251.21K
RUBINSTEIN JULIE
18 Mar 2026
President and COO
Sold after exercise
19,060
$13.18
$251.21K
RUBINSTEIN JULIE
17 Mar 2026
President and COO
Sold after exercise
19,060
$13.40
$255.40K
RUBINSTEIN JULIE
16 Mar 2026
President and COO
Sold after exercise
19,060
$13.41
$255.59K
RUBINSTEIN JULIE
13 Mar 2026
President and COO
Sold after exercise
19,060
$12.96
$247.02K
RUBINSTEIN JULIE
12 Mar 2026
President and COO
Sold after exercise
5,400
$13.43
$72.52K
RUBINSTEIN JULIE
12 Mar 2026
President and COO
Sold after exercise
13,660
$12.63
$172.53K
ROBINS CHAD M
11 Mar 2026
CEO and Chairman
Sell
329,600
$13.17
$4.34M
ROBINS CHAD M
11 Mar 2026
CEO and Chairman
Sell
140,567
$13.17
$1.85M
ROBINS HARLAN S
11 Mar 2026
Chief Scientific Officer
Sell
329,600
$13.17
$4.34M
ROBINS HARLAN S
11 Mar 2026
Chief Scientific Officer
Sell
140,666
$13.17
$1.85M
PISKEL KYLE
11 Mar 2026
Chief Financial Officer
Sell
18,672
$13.17
$245.91K
BENZENO SHARON
11 Mar 2026
Chief Commercial Ofc Imm Med
Sell
63,103
$13.17
$831.07K
BOBULSKY SUSAN
11 Mar 2026
Chief Commercial Officer, MRD
Sell
41,338
$13.17
$544.42K
LO FRANCIS
11 Mar 2026
Chief People Officer
Sold on a plan
30,593
$14.08
$430.75K
GRIFFIN MICHELLE RENEE
11 Mar 2026
Director
Sell
15,394
$13.91
$214.13K
RUBINSTEIN JULIE
11 Mar 2026
President and COO
Sold after exercise
19,060
$14.08
$268.36K
RUBINSTEIN JULIE
11 Mar 2026
President and COO
Sold after exercise
122,523
$13.17
$1.61M
RUBINSTEIN JULIE
10 Mar 2026
President and COO
Sold after exercise
19,460
$14.68
$285.67K
RUBINSTEIN JULIE
9 Mar 2026
President and COO
Sold after exercise
30,941
$14.79
$457.62K
RUBINSTEIN JULIE
6 Mar 2026
President and COO
Sold after exercise
30,941
$15.14
$468.45K
RUBINSTEIN JULIE
5 Mar 2026
President and COO
Sold after exercise
30,941
$16.00
$495.06K
LO FRANCIS
5 Mar 2026
Chief People Officer
Sell
38,074
$15.09
$574.54K
RUBINSTEIN JULIE
4 Mar 2026
President and COO
Sold after exercise
30,941
$16.60
$513.62K
ROBINS CHAD M
3 Mar 2026
CEO and Chairman
Sold on a plan
2,380
$16.15
$38.44K
ROBINS CHAD M
3 Mar 2026
CEO and Chairman
Sold on a plan
50,703
$15.49
$785.39K
ROBINS HARLAN S
3 Mar 2026
Chief Scientific Officer
Sold on a plan
14,233
$16.52
$235.13K
RUBINSTEIN JULIE
3 Mar 2026
President and COO
Sold after exercise
6,518
$16.33
$106.44K
RUBINSTEIN JULIE
3 Mar 2026
President and COO
Sold after exercise
24,423
$15.49
$378.31K
GRIFFIN MICHELLE RENEE
3 Mar 2026
Director
Sold after exercise
48,044
$15.30
$735.07K
ROBINS CHAD M
2 Mar 2026
CEO and Chairman
Sold on a plan
289,024
$15.82
$4.57M
ROBINS HARLAN S
2 Mar 2026
Chief Scientific Officer
Sold on a plan
10,000
$15.72
$157.20K
ROBINS CHAD M
27 Feb 2026
CEO and Chairman
Sold on a plan
182,891
$15.99
$2.92M
PISKEL KYLE
4 Feb 2026
Chief Financial Officer
Sold after exercise
2,145
$18.46
$39.60K
ROBINS HARLAN S
3 Feb 2026
Chief Scientific Officer
Sold on a plan
8,120
$19.00
$154.28K
ROBINS CHAD M
2 Feb 2026
CEO and Chairman
Sold on a plan
124,998
$18.44
$2.30M
ROBINS HARLAN S
2 Feb 2026
Chief Scientific Officer
Sold on a plan
34,668
$18.60
$644.82K
PISKEL KYLE
12 Jan 2026
Chief Financial Officer
Sold after exercise
4,290
$18.00
$77.22K
LO FRANCIS
12 Jan 2026
Chief People Officer
Sold after exercise
79,590
$17.73
$1.41M
ROBINS HARLAN S
6 Jan 2026
Chief Scientific Officer
Sold on a plan
10,000
$16.44
$164.40K
ROBINS CHAD M
5 Jan 2026
CEO and Chairman
Sold on a plan
124,998
$15.59
$1.95M
LO FRANCIS
2 Jan 2026
Chief People Officer
Sold after exercise
3,125
$16.08
$50.25K
LO FRANCIS
22 Dec 2025
Chief People Officer
Sold after exercise
4,394
$17.50
$76.90K
LO FRANCIS
15 Dec 2025
Chief People Officer
Sold after exercise
113,890
$15.57
$1.77M
HERSHBERG ROBERT
10 Dec 2025
Director
Sell
22,968
$16.00
$367.49K
ROBINS HARLAN S
4 Dec 2025
Chief Scientific Officer
Sold on a plan
10,000
$16.61
$166.10K
BENZENO SHARON
4 Dec 2025
Chief Commercial Ofc Imm Med
Sold after exercise
12,604
$16.85
$212.38K
ROBINS HARLAN S
3 Dec 2025
Chief Scientific Officer
Sold on a plan
27,212
$18.61
$506.42K
ROBINS CHAD M
1 Dec 2025
CEO and Chairman
Sold on a plan
124,998
$18.94
$2.37M
PISKEL KYLE
28 Nov 2025
Chief Financial Officer
Sold after exercise
162,820
$19.50
$3.17M
ROBINS CHAD M
26 Nov 2025
CEO and Chairman
Sold on a plan
35,736
$19.68
$703.28K
BENZENO SHARON
21 Nov 2025
Chief Commercial Ofc Imm Med
Sold after exercise
308,477
$16.91
$5.22M
BENZENO SHARON
20 Nov 2025
Chief Commercial Ofc Imm Med
Sold after exercise
297,925
$16.54
$4.93M
PISKEL KYLE
17 Nov 2025
Chief Financial Officer
Sell
238
$14.05
$3.34K
ROBINS CHAD M
12 Nov 2025
CEO and Chairman
Sold on a plan
1,867
$15.00
$28.01K
ROBINS CHAD M
11 Nov 2025
CEO and Chairman
Sold on a plan
1,237
$14.57
$18.02K
ROBINS CHAD M
10 Nov 2025
CEO and Chairman
Sold on a plan
86,161
$14.73
$1.27M
ROBINS HARLAN S
10 Nov 2025
Chief Scientific Officer
Sold on a plan
10,000
$14.82
$148.20K

What was left out

Form 4 filings counted 79
Amendments (4/A) skipped 1
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 34
Sales straight out of an exercise 78
Sales at will 13
Transactions with no price 0
Shares from compensation/vesting 4,911,200
History held since 2 Jul 2019