Adaptive Biotechnologies (ADPT) insider trading in the last 6 months

Form 4 filings, newest first

Quality Score today 11

5 insiders sold $19.1M. No buys.

SellKatey Einterz Owen$250KDirectorat $26.00 on Aug 26, filed Aug 28

SellKatey Einterz OwenDirector$250Kat $26.00 on Aug 26, filed Aug 28

SellRobert Hershberg$382KDirectorat $24.41 on Aug 18, filed Aug 20

SellRobert HershbergDirector$382Kat $24.41 on Aug 18, filed Aug 20

SellRobert Hershberg$366KDirectorat $24.39 on Aug 18, filed Aug 20

SellRobert HershbergDirector$366Kat $24.39 on Aug 18, filed Aug 20

From SEC Form 4s, the newest filed Aug 28, 2026 · Insiders have 2 business days to file a trade

8 more filings on ADPT in the last 6 months, for Pro members. See them free →

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Who files at Adaptive Biotechnologies

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Questions about ADPT's insider trades

As of Nov 4, 2026: Adaptive Biotechnologies (ADPT) has 11 insider filings on record in the last 6 months, the newest filed Aug 28, 2026. Its Quality Score is 11 (Above Average). Scores as of 8:24 PM ET, 15 minutes behind.

Are ADPT insiders buying or selling?

5 insiders sold $19.1M across 11 filings in the last 6 months. No open-⁠market buys on record. The newest filing: Katey Einterz Owen, Director, sold $250K on Aug 26, 2026.

Who are ADPT's biggest insider sellers?

By the dollars of their sales in the last 6 months: Chad M. Robins (CEO and Chairman), 4 sales; Peter M. Neupert (Director), 3 sales; Robert Hershberg (Director), 2 sales. 5 insiders sold in all.

When did an ADPT insider last buy?

No ADPT insider bought shares on the open market in the last 6 months, as filed on Form 4. The newest filing is a sale by Katey Einterz Owen on Aug 26, 2026.

Adaptive Biotechnologies's page has its Quality Score, its chart, and its earnings. More in Healthcare and Biotech.