Adaptive Biotechnologies Corp SEC filings ADPT

Adaptive Biotechnologies Corp has 833 filings in SEC EDGAR's recent list, going back to Dec 28, 2009. Its latest annual report, Form ARS, was filed on Apr 24, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 4, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 4, 2026 (results of operations). The company's fiscal year ends on December 31.

Adaptive Biotechnologies Corp SEC filings
Form Description Filed Period
EFFECT Filing Jan 23, 2020 —
CORRESP Letter to the SEC Jan 21, 2020 —
CORRESP Letter to the SEC Jan 21, 2020 —
UPLOAD Letter from the SEC Jan 15, 2020 —
DRS Filing Jan 9, 2020 —
EFFECT Filing Jun 26, 2019 —
CERT Filing Jun 26, 2019 —
8-A12B Filing Jun 26, 2019 —
CORRESP Letter to the SEC Jun 24, 2019 —
CORRESP Letter to the SEC Jun 24, 2019 —
SEC STAFF LETTER Filing Jun 19, 2019 —
CORRESP Letter to the SEC Jun 17, 2019 —
UPLOAD Letter from the SEC Jun 10, 2019 —
CORRESP Letter to the SEC Jun 4, 2019 —
CORRESP Letter to the SEC May 30, 2019 —
SEC STAFF LETTER Filing May 23, 2019 —
UPLOAD Letter from the SEC May 23, 2019 —
DRSLTR Filing May 8, 2019 —
DRS/A Filing May 8, 2019 —
UPLOAD Letter from the SEC Apr 25, 2019 —
DRS Filing Mar 29, 2019 —
D Filing May 11, 2015 —
D Filing Jan 22, 2015 —
D Filing Jan 21, 2015 —
D/A Filing Aug 4, 2014 —
D Filing Apr 15, 2014 —
D Filing Jul 12, 2013 —
D Filing Jun 21, 2012 —
D Filing Jun 2, 2011 —
D Filing Dec 28, 2009 —

Showing 30 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

Company profile

Industry
Biological Products, (No Diagnostic Substances) (SIC 2836)
Listed as
ADPT (Nasdaq)
Fiscal year ends
December 31
Incorporated in
WA
Headquarters
Seattle, WA
SEC filer status
Large accelerated filer
SEC CIK
1478320
Former names
Adaptive TCR Corp (until Jun 2, 2011)

Other Biological Products, (No Diagnostic Substances) companies

Source: SEC EDGAR filings. This is company-reported data, not investment advice.