Katey Einterz Owen - 31 Aug 2026 Form 4 Insider Report for Adaptive Biotechnologies Corp (ADPT)

Reporting relationship: Director
Issuer ticker: ADPT
Reported as of: 31 Aug 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 02 Sep 2026, 19:12:41 UTC
Prior SEC filing: 28 Aug 2026
Source filing: View source filing
Reporting owner signature: /s/ Katey Einterz Owen by Kyle Piskel, Attorney-in-Fact

Key filing fact

Katey Einterz Owen filed Form 4 for Adaptive Biotechnologies Corp (ADPT) on 02 Sep 2026.

Key facts

This page summarizes Katey Einterz Owen's Form 4 filing for Adaptive Biotechnologies Corp (ADPT).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 02 Sep 2026, 19:12.

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.

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

CIK 0001852578 Primary reporting owner

Relationship: Director
Address: C/O ADAPTIVE BIOTECHNOLOGIES CORPORATION, 1165 EASTLAKE AVENUE EAST, SEATTLE
Signature: /s/ Katey Einterz Owen by Kyle Piskel, Attorney-in-Fact
Signature date: 02 Sep 2026

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

ADPT transaction

Gift

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Explanation of responses 1 footnote

Footnote F1

Price is not applicable to dispositions resulting from bona fide gifts.