Adaptive Biotechnologies Corp

ADPT

Form 4 • Statement of Changes in Beneficial Ownership

SEC Accession Number: 0001229765-26-000001
Filing date: Mar 5, 2026
Earliest execution date: Mar 3, 2026

Summary

Type

Sell

Net shares

-48,044

% of shares

-75.73%

Amount (USD)

$735,073

Insider confidence score

10.0 out of 100

Positive

  • Under Rule 10b5-1 trading plan

Negative

  • Extreme scheduled sell (≥25% of shares)
  • Large sell amount ($250K+)

Stock transactions

Transaction 1

Security

Common Stock

Action

Exercise

Date

2026-03-03

Code

M

Net shares

+48,044.0

Price per Share

$3.99

Amount (USD)

$191,695.56

Acquired/Disposed

Acquired

Shares Owned Before

15,394.0

Shares Owned After

63,438.0

Transaction 2

Security

Common Stock

Action

Sell

Date

2026-03-03

Code

S

Net shares

-48,044.0

Price per Share

$15.30

Amount (USD)

$735,073.20

Acquired/Disposed

Disposed

Shares Owned Before

63,438.0

Shares Owned After

15,394.0

Derivative Transactions

Transaction 1

Security

Stock Option (right to buy)

Action

Exercise

Date

2026-03-03

Code

M

Net shares

-48,044.0

Acquired/Disposed

Disposed

Shares Owned Before

48,044.0

Shares Owned After

0.0

Filing's footnotes

1. The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 7, 2025.

2. The price reported for this transaction is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.11 to $15.54, inclusive. The reporting person undertakes to provide to Adaptive Biotechnologies Corporation, any security holder of Adaptive Biotechnologies Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in any footnotes to this Form 4.

3. The option is fully vested and exercisable.

ℹ️ Filed under Rule 10b5-1 trading plan

This page is for informational purposes only. While we strive for accuracy, the summary may contain inaccuracies or omissions. Please refer to the official SEC filing for authoritative information. Open the SEC filing.