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Who

Katey Einterz Owen

Director

Company insider

Files Form 4 as: Director, Adaptive Biotechnologies.

In numbers

Trades disclosed
16
Buys
0
Sells
1
Bought
$0
Sold
$500K
Companies
1
Companies where not an officer
1
First trade
17 Mar 2021
Last trade
31 Aug 2026
Last filed
2 Sep 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
ADPT Adaptive BiotechnologiesDirector · Diagnostics & Labs · last 31 Aug 20260 buys · 1 sell

Activity over time

1 Aug – 1 Oct
101 Aug1 Sep1 Oct

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
31 Aug 2026filed 2 Sep 2026ADPT Adaptive BiotechnologiesDiagnostics & LabsSEC FORM 4 Code G—12,539filing
31 Aug 2026filed 2 Sep 2026ADPT Adaptive BiotechnologiesDiagnostics & LabsSEC FORM 4 Code G—12,539filing
26 Aug 2026filed 28 Aug 2026ADPT Adaptive BiotechnologiesDiagnostics & LabsSEC FORM 4 Sold$250K9,615 at $26.00filing
26 Aug 2026filed 28 Aug 2026ADPT Adaptive BiotechnologiesDiagnostics & LabsSEC FORM 4 Sold$250K9,615 at $26.00filing
4 Mar 2026filed 6 Mar 2026ADPT Adaptive BiotechnologiesDiagnostics & LabsSEC FORM 4 Code A—15,625 at $0.00filing
4 Mar 2026filed 6 Mar 2026ADPT Adaptive BiotechnologiesDiagnostics & LabsSEC FORM 4 Code A—15,625 at $0.00filing
4 Mar 2025filed 6 Mar 2025ADPT Adaptive Biotechnologiesoption or derivative · Diagnostics & LabsSEC FORM 4 Code A—23,726 at $0.00filing
4 Mar 2025filed 6 Mar 2025ADPT Adaptive BiotechnologiesDiagnostics & LabsSEC FORM 4 Code A—15,394 at $0.00filing
4 Mar 2024filed 6 Mar 2024ADPT Adaptive Biotechnologiesoption or derivative · Diagnostics & LabsSEC FORM 4 Code A—48,044 at $0.00filing
4 Mar 2024filed 6 Mar 2024ADPT Adaptive BiotechnologiesDiagnostics & LabsSEC FORM 4 Code A—31,328 at $0.00filing
6 Mar 2023filed 8 Mar 2023ADPT Adaptive Biotechnologiesoption or derivative · Diagnostics & LabsSEC FORM 4 Code A—23,329 at $0.00filing
6 Mar 2023filed 8 Mar 2023ADPT Adaptive BiotechnologiesDiagnostics & LabsSEC FORM 4 Code A—14,775 at $0.00filing
26 Jan 2022filed 28 Jan 2022ADPT Adaptive Biotechnologiesoption or derivative · Diagnostics & LabsSEC FORM 4 Code A—16,722 at $0.00filing
26 Jan 2022filed 28 Jan 2022ADPT Adaptive BiotechnologiesDiagnostics & LabsSEC FORM 4 Code A—6,689 at $0.00filing
17 Mar 2021filed 22 Mar 2021ADPT Adaptive BiotechnologiesDiagnostics & LabsSEC FORM 4 Code A—4,443 at $0.00filing
17 Mar 2021filed 22 Mar 2021ADPT Adaptive Biotechnologiesoption or derivative · Diagnostics & LabsSEC FORM 4 Code A—11,109 at $0.00filing

News

Adaptive Biotechnologies (NASDAQ:ADPT) COO Sells 11,881 Shares of Company StockADPT · dailypolitical.com · 21 Oct 2026

0 headlines in the last 90 days name Katey Einterz Owen; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.

Sectors

Health Care1

Buys in green, sells in red, by the company’s sector.

Related people

Julie RubinsteinPresident and COO · President and COO at Adaptive Biotechnologies, filing Form 4 there in the last year
Susan BobulskyChief Commercial Officer, MRD · Chief Commercial Officer, MRD at Adaptive Biotechnologies, filing Form 4 there in the last year
Francis LoChief People Officer · Chief People Officer at Adaptive Biotechnologies, filing Form 4 there in the last year
Robert HershbergDirector · Director at Adaptive Biotechnologies, filing Form 4 there in the last year
Peter M. NeupertDirector · Director at Adaptive Biotechnologies, filing Form 4 there in the last year
Chad M. RobinsCEO and Chairman · Also traded ADPT in the last 90 days