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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

88
Insider
Date
Role
Action
Shares
Price
Amount
OWEN KATEY EINTERZ
26 Aug 2026
Director
Sell
9,615
$26.00
$249.99K
PISKEL KYLE
18 May 2026
Chief Financial Officer
Sell
3,115
$13.04
$40.62K
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
GRIFFIN MICHELLE RENEE
11 Mar 2026
Director
Sell
15,394
$13.91
$214.13K
LO FRANCIS
5 Mar 2026
Chief People Officer
Sell
38,074
$15.09
$574.54K
HERSHBERG ROBERT
10 Dec 2025
Director
Sell
22,968
$16.00
$367.49K
PISKEL KYLE
17 Nov 2025
Chief Financial Officer
Sell
238
$14.05
$3.34K
PISKEL KYLE
16 May 2025
Chief Financial Officer
Sell
1,929
$8.89
$17.15K
GRIFFIN MICHELLE RENEE
13 Mar 2025
Director
Sell
36,291
$7.19
$260.93K
HERSHBERG ROBERT
12 Mar 2025
Director
Sell
53,000
$7.59
$402.27K
ROBINS CHAD M
6 Mar 2025
CEO and Chairman
Sell
102,218
$7.64
$780.95K
ROBINS CHAD M
5 Mar 2025
CEO and Chairman
Sell
36,145
$6.99
$252.65K
ROBINS CHAD M
5 Mar 2025
CEO and Chairman
Sell
81,206
$6.98
$566.82K
ROBINS HARLAN S
5 Mar 2025
Chief Scientific Officer
Sell
56,053
$6.99
$391.81K
ROBINS HARLAN S
5 Mar 2025
Chief Scientific Officer
Sell
40,603
$6.98
$283.41K
RUBINSTEIN JULIE
5 Mar 2025
President and COO
Sell
19,461
$6.99
$136.03K
RUBINSTEIN JULIE
5 Mar 2025
President and COO
Sell
40,044
$6.98
$279.51K
PISKEL KYLE
5 Mar 2025
Chief Financial Officer
Sell
6,964
$6.99
$48.68K
PISKEL KYLE
5 Mar 2025
Chief Financial Officer
Sell
253
$6.98
$1.77K
PISKEL KYLE
5 Mar 2025
Chief Financial Officer
Sell
3,103
$6.97
$21.63K
BENZENO SHARON
5 Mar 2025
Chief Commercial Ofc Imm Med
Sell
3,065
$6.99
$21.42K
BENZENO SHARON
5 Mar 2025
Chief Commercial Ofc Imm Med
Sell
41,600
$6.98
$290.37K
BOBULSKY SUSAN
5 Mar 2025
Chief Commercial Officer, MRD
Sell
26,023
$6.98
$181.64K
LO FRANCIS
5 Mar 2025
Chief People Officer
Sell
13,790
$6.99
$96.39K
LO FRANCIS
5 Mar 2025
Chief People Officer
Sell
7,085
$6.98
$49.45K
PISKEL KYLE
18 Nov 2024
Chief Financial Officer
Sell
248
$4.98
$1.24K
BOBULSKY SUSAN
5 Mar 2024
Chief Commercial Officer, MRD
Sell
6,975
$3.44
$23.99K
BOBULSKY SUSAN
5 Mar 2024
Chief Commercial Officer, MRD
Sell
6,016
$3.43
$20.63K
ROBINS CHAD M
5 Mar 2024
CEO and Chairman
Sell
42,794
$3.43
$146.78K
ROBINS CHAD M
5 Mar 2024
CEO and Chairman
Sell
5,879
$3.44
$20.22K
PETERSON TYCHO
5 Mar 2024
Chief Financial Officer
Sell
15,456
$3.44
$53.17K
RUBINSTEIN JULIE
5 Mar 2024
President
Sell
13,490
$3.56
$48.02K
RUBINSTEIN JULIE
5 Mar 2024
President
Sell
25,580
$3.43
$87.74K
BENZENO SHARON
5 Mar 2024
Chief Commercial Ofc Imm Med
Sell
18,644
$3.44
$64.14K
BENZENO SHARON
5 Mar 2024
Chief Commercial Ofc Imm Med
Sell
10,746
$3.43
$36.86K
LO FRANCIS
5 Mar 2024
Chief People Officer
Sell
1,813
$3.44
$6.24K
LO FRANCIS
5 Mar 2024
Chief People Officer
Sell
12,887
$3.43
$44.20K
Taylor Stacy L
5 Mar 2024
SVP and General Counsel
Sell
6,609
$3.44
$22.73K
Taylor Stacy L
5 Mar 2024
SVP and General Counsel
Sell
6,772
$3.43
$23.23K
PISKEL KYLE
5 Mar 2024
Principal Accounting Officer
Sell
7,727
$3.43
$26.50K
PISKEL KYLE
16 Nov 2023
Principal Accounting Officer
Sell
259
$4.13
$1.07K
PETERSON TYCHO
2 Jun 2023
Chief Financial Officer
Sell
38,000
$7.16
$272.08K
GRIFFIN MICHELLE RENEE
27 Mar 2023
Director
Sell
2,341
$8.49
$19.88K
SOOD NITIN
7 Mar 2023
Chief Commercial Officer, MRD
Sell
9,813
$8.60
$84.39K
ADAMS R MARK
7 Mar 2023
Chief Operating Officer
Sell
17,155
$8.60
$147.53K
Taylor Stacy L
7 Mar 2023
SVP and General Counsel
Sell
13,387
$8.60
$115.13K
RUBINSTEIN JULIE
6 Mar 2023
President
Sell
22,668
$8.57
$194.26K
SOOD NITIN
6 Mar 2023
Chief Commercial Officer, MRD
Sell
6,661
$8.57
$57.08K
BENZENO SHARON
6 Mar 2023
Chief Commercial Ofc Imm Med
Sell
11,749
$8.57
$100.69K
ADAMS R MARK
6 Mar 2023
Chief Operating Officer
Sell
6,529
$8.57
$55.95K
Taylor Stacy L
6 Mar 2023
SVP and General Counsel
Sell
5,491
$8.57
$47.06K
LO FRANCIS
6 Mar 2023
Chief People Officer
Sell
6,816
$8.57
$58.41K
PISKEL KYLE
6 Mar 2023
Principal Accounting Officer
Sell
229
$8.58
$1.96K
PISKEL KYLE
6 Mar 2023
Principal Accounting Officer
Sell
3,300
$8.57
$28.28K
ADAMS R MARK
10 Jan 2023
Chief Operating Officer
Sell
2,130
$8.58
$18.28K
ADAMS R MARK
9 Jan 2023
Chief Operating Officer
Sell
995
$8.50
$8.46K
PISKEL KYLE
16 Nov 2022
Principal Accounting Officer
Sell
959
$8.87
$8.51K
SOOD NITIN
1 Nov 2022
Chief Commercial Officer, MRD
Sell
31,066
$8.00
$248.53K
ADAMS R MARK
10 Oct 2022
Chief Operating Officer
Sell
2,284
$7.13
$16.28K
ADAMS R MARK
7 Oct 2022
Chief Operating Officer
Sell
841
$7.61
$6.40K
SOOD NITIN
5 Aug 2022
Chief Commercial Officer, MRD
Sell
17,540
$10.98
$192.59K
ADAMS R MARK
8 Jul 2022
Chief Operating Officer
Sell
2,300
$10.47
$24.08K
ADAMS R MARK
7 Jul 2022
Chief Operating Officer
Sell
825
$9.53
$7.86K
ADAMS R MARK
7 Apr 2022
Chief Operating Officer
Sell
831
$13.17
$10.94K
LO FRANCIS
8 Mar 2022
Chief People Officer
Sell
3,582
$11.44
$40.98K
BALDO LANCE
8 Mar 2022
Chief Medical Officer
Sell
3,350
$11.43
$38.29K
Taylor Stacy L
8 Mar 2022
SVP and General Counsel
Sell
2,387
$11.44
$27.31K
ADAMS R MARK
7 Mar 2022
Chief Operating Officer
Sell
1,244
$12.01
$14.94K
ROBINS CHAD M
7 Mar 2022
CEO and Chairman
Sell
4,424
$12.01
$53.13K
ROBINS HARLAN S
7 Mar 2022
Chief Scientific Officer
Sell
4,517
$12.01
$54.25K
LO FRANCIS
7 Mar 2022
Chief People Officer
Sell
1,569
$12.01
$18.84K
PISKEL KYLE
7 Mar 2022
Principal Accounting Officer
Sell
220
$12.01
$2.64K
Taylor Stacy L
7 Mar 2022
SVP and General Counsel
Sell
1,569
$12.01
$18.84K
BENZENO SHARON
7 Mar 2022
Chief Business Development Off
Sell
2,670
$12.01
$32.07K
RUBINSTEIN JULIE
7 Mar 2022
President
Sell
4,613
$12.01
$55.40K
BALDO LANCE
7 Mar 2022
Chief Medical Officer
Sell
2,373
$12.01
$28.50K
ADAMS R MARK
7 Jan 2022
Chief Operating Officer
Sell
1,021
$23.32
$23.81K
ADAMS R MARK
8 Oct 2021
Chief Operating Officer
Sell
1,801
$33.67
$60.64K
ADAMS R MARK
7 Oct 2021
Chief Operating Officer
Sell
1,324
$32.47
$42.99K
ROBINS CHAD M
10 Sep 2021
CEO and Chairman
Sell
98
$39.09
$3.83K
ROBINS CHAD M
10 Sep 2021
CEO and Chairman
Sell
4,902
$38.37
$188.09K
ROBINS CHAD M
9 Sep 2021
CEO and Chairman
Sell
24,753
$38.42
$951.01K
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