Company Analysis

Adaptive Biotechnologies Corporation (ADPT)

Nasdaq: ADPT · Biological Products, (No Diagnostic Substances) · Seattle, WA · filing with the SEC since 2009
Grade6.2
◀ Past 6.3● Present 7.1▶ Future 4.8
1 est.

Filings

196 filings since 2017 beside 632 insider forms · Large accelerated filer · read from EDGAR on Nov 13, 2026
Due nextLarge accelerated filer
10-K Annual report for the fiscal year ending Dec 31, 2026Large accelerated filers have 60 days after the fiscal year ends. by Mar 1, 2027
10-Q Quarterly report for the quarter ending Mar 31, 2027Large accelerated filers have 40 days after the quarter ends; quarter ends are taken to the month end. by May 10, 2027

A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files. Last time, the results release (8-K item 2.02) came 35 days after the quarter ended. The proxy statement was last filed Apr 24, 2026.

Filings a yearinsider forms included
6320716152514983162
20192020202120222023202420252026

2026 counts to Nov 13, 2026.

Officer or director change (8-K item 5.02): 3 times in the last 36 months, the newest Jul 29, 2026.
Insider forms 632

Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.

FiledFormWhat it is, in plain wordsPeriodAsk
Nov 4, 2026 10-Q Quarterly report Sep 30, 2026
Nov 4, 2026 8-K items 2.02, 9.01 Results released · Current report
Aug 4, 2026 10-Q Quarterly report Jun 30, 2026
Jul 29, 2026 8-K items 2.02, 5.02, 9.01 Results released; Officer or director change · Current report Jul 24, 2026
Jun 22, 2026 8-K items 1.01, 1.02, 2.03, 3.02, 8.01, 9.01 Major agreement signed; Major agreement ended; New debt or obligation taken on; Shares sold without registration; Other event · Current report Jun 15, 2026
Jun 15, 2026 8-K items 8.01, 9.01 Other event · Current report
Jun 9, 2026 8-K item 5.07 Shareholder vote · Current report Jun 5, 2026
May 15, 2026 SCHEDULE 13G/A Large holder update, amended
May 5, 2026 10-Q Quarterly report Mar 31, 2026
May 5, 2026 8-K items 2.02, 9.01 Results released · Current report
Apr 24, 2026 ARS Annual report to shareholders Dec 31, 2025
Apr 24, 2026 DEFA14A Extra proxy material
Apr 24, 2026 DEF 14A Proxy statement Jun 5, 2026
Mar 26, 2026 SCHEDULE 13G/A Large holder update, amended
Feb 27, 2026 S-8 Employee stock plan registration
Feb 26, 2026 10-K Annual report Dec 31, 2025
Feb 5, 2026 8-K items 2.02, 9.01 Results released · Current report
Jan 21, 2026 SCHEDULE 13G/A Large holder update, amended
Jan 12, 2026 8-K items 2.02, 7.01, 9.01 Results released; Investor disclosure (Regulation FD) · Current report
Dec 30, 2025 8-K item 8.01 Other event · Current report
Nov 5, 2025 10-Q Quarterly report Sep 30, 2025
Nov 5, 2025 8-K items 2.02, 9.01 Results released · Current report
Aug 18, 2025 8-K item 1.02 Major agreement ended · Current report Aug 13, 2025
Aug 5, 2025 10-Q Quarterly report Jun 30, 2025
Aug 5, 2025 8-K items 2.02, 9.01 Results released · Current report
Jul 9, 2025 SCHEDULE 13G/A Large holder update, amended
Jun 12, 2025 8-K item 5.07 Shareholder vote · Current report Jun 10, 2025
Jun 6, 2025 SCHEDULE 13G/A Large holder update, amended
May 14, 2025 SCHEDULE 13G Large holder notice
May 7, 2025 SCHEDULE 13G/A Large holder update, amended
May 1, 2025 10-Q Quarterly report Mar 31, 2025
May 1, 2025 8-K items 2.02, 9.01 Results released · Current report
Apr 29, 2025 ARS Annual report to shareholders Dec 31, 2024
Apr 29, 2025 DEFA14A Extra proxy material
Apr 29, 2025 DEF 14A Proxy statement Jun 10, 2025
Apr 17, 2025 SCHEDULE 13G/A Large holder update, amended
Mar 3, 2025 10-K Annual report Dec 31, 2024
Feb 14, 2025 SCHEDULE 13G/A Large holder update, amended
Feb 13, 2025 SCHEDULE 13G/A Large holder update, amended
Feb 11, 2025 8-K items 2.02, 9.01 Results released · Current report
40 of 196 shown

Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.

SI Assistanton ADPT · research, not advice