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Adaptive Biotechnologies Corp

ADPT Mostly scheduled

CIK 0001478320 #1515 in the set updated 17 Sep 2026

Bought (1 mo)

$0.00

out of their own pocket, the only kind of buying there is

Sold (1 mo)

$19.02M

$0.00 on a plan · $18.77M straight out of an exercise

Sold at will

$249.99K

1 of 10 sales

Net

−$19.02M

−$249.99K against sales at will

By person

12 insiders · 10 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

—

$14.88M (4) scheduled

−$14.88M

2,180,518

1.37%

$56.69M

−15.4%

NEUPERT PETER M

Director

—

$3.14M (3) scheduled

−$3.14M

130,625

0.0818%

$3.40M

−22.8%

HERSHBERG ROBERT

Director

—

$748.21K (2) scheduled

−$748.21K

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%

ROBINS HARLAN S

Chief Scientific Officer

—

812,058

0.5088%

$21.11M

−20.5%

BOBULSKY SUSAN

Chief Commercial Officer, MRD

—

396,989

0.2487%

$10.32M

+59.9%

RUBINSTEIN JULIE

President and COO

—

377,802

0.2367%

$9.82M

−20.1%

PISKEL KYLE

Chief Financial Officer

—

256,725

0.1609%

$6.67M

+74.9%

LO FRANCIS

Chief People Officer

—

230,713

0.1446%

$6.00M

−9.1%

BENZENO SHARON

Chief Commercial Ofc Imm Med

—

221,278

0.1386%

$5.75M

−32.4%

Pellini Michael J

Director

—

69,690

0.0437%

$1.81M

+28.4%

GRIFFIN MICHELLE RENEE

Director

—

15,625

0.0098%

$406.25K

−69.9%

Individual transactions

Insider

Date

Role

Action

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

What was left out

Form 4 filings counted 5

Amendments (4/A) skipped 0

Filings about a different issuer 0

Unreadable filings 0

Joint filings 0

Sales on a Rule 10b5-1 plan 0

Sales straight out of an exercise 9

Sales at will 1

Transactions with no price 0

Shares from compensation/vesting 642,539

History held since 2 Jul 2019