Sharon Benzeno - 04 Dec 2025 Form 4 Insider Report for Adaptive Biotechnologies Corp (ADPT)

Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
4
Accepted by SEC
08 Dec 2025, 20:00:57 UTC
Prior SEC filing
24 Nov 2025
Next SEC filing
06 Mar 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Sharon Benzeno by Kyle Piskel, Attorney-in-Fact

Key filing fact

Sharon Benzeno filed Form 4 for Adaptive Biotechnologies Corp (ADPT) on 08 Dec 2025.

Key facts

  • This page summarizes Sharon Benzeno's Form 4 filing for Adaptive Biotechnologies Corp (ADPT).
  • 7 reported transactions and 3 derivative rows are listed below.
  • Accepted by SEC: 08 Dec 2025, 20:00.

Change

  • Previous filing in this sequence was filed on 24 Nov 2025.
  • Current net transaction value: -$108,542.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001780854 Primary reporting owner

BENZENO SHARON

Relationship
Chief Commercial Ofc Imm Med
Address
C/O ADAPTIVE BIOTECHNOLOGIES CORPORATION, 1165 EASTLAKE AVE E, SEATTLE
Signature
/s/ Sharon Benzeno by Kyle Piskel, Attorney-in-Fact
Signature date
08 Dec 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ADPT transaction

Common Stock

Options Exercise

Transaction value
$52,081
Shares
+4,290
Change %
+1.4%
Price
$12.14
Shares after
301,081
Date
04 Dec 2025
Ownership
Direct
Footnotes
F1
ADPT transaction

Common Stock

Options Exercise

Transaction value
$35,168
Shares
+4,157
Change %
+1.4%
Price
$8.46
Shares after
305,238
Date
04 Dec 2025
Ownership
Direct
Footnotes
F1
ADPT transaction

Common Stock

Options Exercise

Transaction value
$16,586
Shares
+4,157
Change %
+1.4%
Price
$3.99
Shares after
309,395
Date
04 Dec 2025
Ownership
Direct
Footnotes
F1
ADPT transaction

Common Stock

Sale

Transaction value
$212,377
Shares
-12,604
Change %
-4.1%
Price
$16.85
Shares after
296,791
Date
04 Dec 2025
Ownership
Direct
Footnotes
F1, F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

ADPT transaction Derivative

Stock Option (right to buy)

Options Exercise

Transaction value
$0
Shares
-4,290
Change %
-25%
Price
$0.000000
Shares after
12,871
Date
04 Dec 2025
Ownership
Direct
Underlying class
Common Stock
Underlying amount
4,290
Exercise price
$12.14
Footnotes
F1, F3
ADPT transaction Derivative

Stock Option (right to buy)

Options Exercise

Transaction value
$0
Shares
-4,157
Change %
-6.2%
Price
$0.000000
Shares after
62,360
Date
04 Dec 2025
Ownership
Direct
Underlying class
Common Stock
Underlying amount
4,157
Exercise price
$8.46
Footnotes
F1, F4
ADPT transaction Derivative

Stock Option (right to buy)

Options Exercise

Transaction value
$0
Shares
-4,157
Change %
-3.6%
Price
$0.000000
Shares after
112,247
Date
04 Dec 2025
Ownership
Direct
Underlying class
Common Stock
Underlying amount
4,157
Exercise price
$3.99
Footnotes
F1, F5
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 5 footnotes

Footnote F1

The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 18, 2025.

Footnote F2

The price reported for this transaction is a weighted average price. These shares were sold in multiple transactions at prices ranging from $16.66 to $16.93, 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.

Footnote F3

The options vested with respect to 1/4 of such shares on March 4, 2023, with 1/48 of such shares vesting thereafter at the end of each full month of continuous service until fully vested.

Footnote F4

The options vested with respect to 1/4 of such shares on March 4, 2024, with 1/48 of such shares vesting thereafter at the end of each full month of continuous service until fully vested.

Footnote F5

The options vested with respect to 1/4 of such shares on March 4, 2025, with 1/48 of such shares vesting thereafter at the end of each full month of continuous service until fully vested.

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