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Adaptive Biotechnologies Corp

ADPT Net selling
CIK 0001478320 #1515 in the set updated 17 Sep 2026
Bought (120 mo)
$10.24M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$1.06B
$32.84M on a plan · $328.69M straight out of an exercise
Sold at will
$695.10M
156 of 916 sales
Net
−$1.05B
−$684.85M against sales at will

By person

29 insiders · 931 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
VIKING GLOBAL INVESTORS LP entity
10% owner
$5.00M (1)
$302.14M (3)
−$297.14M
29,993,708
18.79%
$779.84M
+2,005%
VIKING GLOBAL PERFORMANCE LLC entity
10% owner
$5.00M (1)
$246.49M (2)
−$241.49M
30,993,708
19.42%
$805.84M
+2,075%
GOEL DAVID E.
Director
—
$112.23M (10)
−$112.23M
12,310,594
7.71%
$320.08M
—
ROBINS CHAD M
CEO and Chairman
—
$89.34M (160) scheduled
−$89.34M
2,180,518
1.37%
$56.69M
+19.3%
RUBINSTEIN JULIE
President and COO
—
$82.18M (198) scheduled
−$82.18M
377,802
0.2367%
$9.82M
—
ROBINS HARLAN S
Chief Scientific Officer
—
$63.17M (153) scheduled
−$63.17M
812,058
0.5088%
$21.11M
—
Cohen Chad M
Chief Financial Officer
$20.00K (1)
$47.01M (81) scheduled
−$46.99M
21,604
0.0135%
$561.70K
—
BENZENO SHARON
Chief Commercial Ofc Imm Med
—
$29.75M (50) scheduled
−$29.75M
221,278
0.1386%
$5.75M
—
LO FRANCIS
Chief People Officer
—
$12.69M (38) scheduled
−$12.69M
230,713
0.1446%
$6.00M
—
HILL NANCY LOUISE
EVP, Operations & Program Mana
$224.00K (4)
$11.38M (11) scheduled
−$11.15M
10,300
0.0065%
$267.80K
−77.2%
ZOLTNERS ANDRIS A
Director
—
$9.14M (1) scheduled
−$9.14M
3,621,016
2.27%
$94.15M
—
BALDO LANCE
Chief Medical Officer
—
$7.43M (25) scheduled
−$7.43M
17,171
0.0108%
$446.45K
—
SANG CHARLES
SVP, External Affairs
—
$6.49M (4) scheduled
−$6.49M
0
0.0000%
$0.00
—
GRIFFIN MICHELLE RENEE
Director
—
$5.88M (25) scheduled
−$5.88M
15,625
0.0098%
$406.25K
—
Pellini Michael J
Director
—
$5.27M (4) scheduled
−$5.27M
69,690
0.0437%
$1.81M
—
Taylor Stacy L
SVP and General Counsel
—
$4.79M (40) scheduled
−$4.79M
139,365
0.0873%
$3.62M
+10,620%
PISKEL KYLE
Chief Financial Officer
—
$3.74M (17) scheduled
−$3.74M
256,725
0.1609%
$6.67M
—
HERSHBERG ROBERT
Director
—
$3.42M (25) scheduled
−$3.42M
46,683
0.0293%
$1.21M
—
BOBULSKY SUSAN
Chief Commercial Officer, MRD
—
$3.27M (13) scheduled
−$3.27M
396,989
0.2487%
$10.32M
+233.2%
NEUPERT PETER M
Director
—
$3.21M (4) scheduled
−$3.21M
130,625
0.0818%
$3.40M
—
DOBMEIER ERIC
Director
—
$2.11M (11) scheduled
−$2.11M
1,504
0.0009%
$39.10K
—
PETERSON TYCHO
Chief Financial Officer
—
$2.02M (6) scheduled
−$2.02M
531,553
0.3331%
$13.82M
—
ADAMS R MARK
Chief Operating Officer
—
$1.66M (20)
−$1.66M
175,361
0.1099%
$4.56M
—
Palaniappan Jyoti
SVP, Diagnostics, T-Detect
—
$877.35K (8) scheduled
−$877.35K
9,158
0.0057%
$238.11K
—
SOOD NITIN
Chief Commercial Officer, MRD
—
$689.91K (6)
−$689.91K
214,808
0.1346%
$5.59M
—
OWEN KATEY EINTERZ
Director
—
$249.99K (1)
−$249.99K
66,100
0.0414%
$1.72M
—
THORSEN HENNING
SVP, Commercial Operations
—
—
—
29,061
0.0182%
$755.59K
—
Trigg Leslie
Director
—
—
—
25,907
0.0162%
$673.58K
—
Conroy Kevin T
Director
—
—
—
22,968
0.0144%
$597.17K
—

Individual transactions

117
Insider
Date
Role
Action
Shares
Price
Amount
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
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
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
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
LO FRANCIS
4 Jun 2026
Chief People Officer
Sold after exercise
39,741
$17.49
$695.07K
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
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
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
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
RUBINSTEIN JULIE
4 Mar 2026
President and COO
Sold after exercise
30,941
$16.60
$513.62K
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
PISKEL KYLE
4 Feb 2026
Chief Financial Officer
Sold after exercise
2,145
$18.46
$39.60K
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
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
BENZENO SHARON
4 Dec 2025
Chief Commercial Ofc Imm Med
Sold after exercise
12,604
$16.85
$212.38K
PISKEL KYLE
28 Nov 2025
Chief Financial Officer
Sold after exercise
162,820
$19.50
$3.17M
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
ROBINS HARLAN S
1 May 2025
Chief Scientific Officer
Sold after exercise
68,412
$7.35
$502.83K
ROBINS HARLAN S
24 Mar 2025
Chief Scientific Officer
Sold after exercise
1,698
$9.00
$15.28K
NEUPERT PETER M
10 Mar 2025
Director
Sold after exercise
10,000
$7.05
$70.50K
ROBINS CHAD M
20 Feb 2025
CEO and Chairman
Sold after exercise
99,107
$8.44
$836.46K
ROBINS CHAD M
19 Feb 2025
CEO and Chairman
Sold after exercise
186,080
$8.46
$1.57M
ROBINS CHAD M
18 Feb 2025
CEO and Chairman
Sold after exercise
211,160
$8.50
$1.79M
ROBINS CHAD M
14 Feb 2025
CEO and Chairman
Sold after exercise
158,921
$8.46
$1.34M
ROBINS CHAD M
13 Feb 2025
CEO and Chairman
Sold after exercise
100,287
$8.44
$846.42K
PETERSON TYCHO
20 Jun 2023
Chief Financial Officer
Sold after exercise
64,961
$8.14
$528.78K
PETERSON TYCHO
20 Jun 2023
Chief Financial Officer
Sold after exercise
70,000
$8.14
$569.80K
PETERSON TYCHO
15 Jun 2023
Chief Financial Officer
Sold after exercise
14,328
$8.53
$122.22K
PETERSON TYCHO
15 Jun 2023
Chief Financial Officer
Sold after exercise
55,672
$8.53
$474.88K
ROBINS CHAD M
9 Mar 2022
CEO and Chairman
Sold after exercise
14,815
$12.46
$184.59K
ROBINS CHAD M
8 Mar 2022
CEO and Chairman
Sold after exercise
14,815
$11.38
$168.59K
ROBINS CHAD M
7 Mar 2022
CEO and Chairman
Sold after exercise
14,315
$11.53
$165.05K
ROBINS CHAD M
7 Mar 2022
CEO and Chairman
Sold after exercise
500
$12.22
$6.11K
Cohen Chad M
22 Dec 2021
Chief Financial Officer
Sold after exercise
10,000
$30.00
$300.00K
Taylor Stacy L
22 Dec 2021
SVP and General Counsel
Sold after exercise
15,338
$30.00
$460.14K
ROBINS HARLAN S
18 Nov 2021
Chief Scientific Officer
Sold after exercise
300
$31.36
$9.41K
ROBINS HARLAN S
17 Nov 2021
Chief Scientific Officer
Sold after exercise
3,700
$32.05
$118.59K
Cohen Chad M
10 Nov 2021
Chief Financial Officer
Sold after exercise
5,000
$33.93
$169.65K
Cohen Chad M
9 Nov 2021
Chief Financial Officer
Sold after exercise
5,000
$36.03
$180.15K
ROBINS HARLAN S
21 Oct 2021
Chief Scientific Officer
Sold after exercise
3,700
$33.73
$124.80K
ROBINS HARLAN S
20 Oct 2021
Chief Scientific Officer
Sold after exercise
3,700
$33.71
$124.73K
ROBINS HARLAN S
19 Oct 2021
Chief Scientific Officer
Sold after exercise
3,500
$33.76
$118.16K
ROBINS HARLAN S
19 Oct 2021
Chief Scientific Officer
Sold after exercise
300
$32.91
$9.87K
ROBINS HARLAN S
8 Oct 2021
Chief Scientific Officer
Sold after exercise
3,895
$32.96
$128.38K
ROBINS HARLAN S
7 Oct 2021
Chief Scientific Officer
Sold after exercise
3,695
$33.68
$124.45K
ROBINS HARLAN S
7 Oct 2021
Chief Scientific Officer
Sold after exercise
200
$32.50
$6.50K
Cohen Chad M
6 Oct 2021
Chief Financial Officer
Sold after exercise
5,000
$32.30
$161.50K
ROBINS HARLAN S
6 Oct 2021
Chief Scientific Officer
Sold after exercise
3,895
$32.27
$125.69K
Cohen Chad M
5 Oct 2021
Chief Financial Officer
Sold after exercise
5,000
$32.51
$162.55K
ROBINS HARLAN S
15 Sep 2021
Chief Scientific Officer
Sold after exercise
900
$37.23
$33.51K
ROBINS HARLAN S
15 Sep 2021
Chief Scientific Officer
Sold after exercise
2,995
$36.52
$109.38K
ROBINS HARLAN S
14 Sep 2021
Chief Scientific Officer
Sold after exercise
1,100
$37.36
$41.10K
ROBINS HARLAN S
14 Sep 2021
Chief Scientific Officer
Sold after exercise
2,795
$36.49
$101.99K
ROBINS HARLAN S
13 Sep 2021
Chief Scientific Officer
Sold after exercise
900
$37.89
$34.10K
ROBINS HARLAN S
13 Sep 2021
Chief Scientific Officer
Sold after exercise
2,995
$37.39
$111.98K
Cohen Chad M
8 Sep 2021
Chief Financial Officer
Sold after exercise
5,000
$39.01
$195.05K
Showing 250 of 931 transactions. The figures above use every one of them.

What was left out

Form 4 filings counted 483
Amendments (4/A) skipped 11
Filings about a different issuer 0
Unreadable filings 0
Joint filings 11
Sales on a Rule 10b5-1 plan 40
Sales straight out of an exercise 720
Sales at will 156
Transactions with no price 0
Shares from compensation/vesting 115,571,657
Sales filed before the plan box existed 107
History held since 2 Jul 2019