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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
Insider
Date
Role
Action
Shares
Price
Amount
PISKEL KYLE
14 Mar 2025
Chief Financial Officer
Exercised, kept
2,500
$6.32
$15.80K
BOBULSKY SUSAN
8 Oct 2024
Chief Commercial Officer, MRD
Exercised, kept
5,000
$1.98
$9.90K
NEUPERT PETER M
12 Mar 2024
Director
Exercised, kept
15,000
$0.84
$12.60K
NEUPERT PETER M
13 Dec 2023
Director
Exercised, kept
100,000
$0.84
$84.00K
HERSHBERG ROBERT
2 Feb 2023
Director
Exercised, kept
53,000
$0.45
$23.85K
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