Adaptive Biotechnologies Corp SEC filings ADPT

Adaptive Biotechnologies Corp has 832 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
S-8 Employee stock plan registration Feb 27, 2026 —
S-8 Employee stock plan registration Feb 14, 2023 —
424B7 Filing Aug 21, 2020 —
424B5 Prospectus supplement Jul 16, 2020 —
424B5 Prospectus supplement Jul 14, 2020 —
S-3ASR Automatic shelf registration Jul 14, 2020 —
424B4 Prospectus Jan 24, 2020 —
S-1/A Amended registration statement Jan 22, 2020 —
S-1 Registration statement Jan 21, 2020 —
S-8 Employee stock plan registration Jul 1, 2019 —
424B4 Prospectus Jun 27, 2019 —
S-1/A Amended registration statement Jun 26, 2019 —
S-1/A Amended registration statement Jun 19, 2019 —
S-1/A Amended registration statement Jun 17, 2019 —
S-1 Registration statement May 30, 2019 —

Showing 15 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.