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
10-Q Quarterly report Nov 4, 2026 Sep 30, 2026
8-K Current report
Results of operations
Nov 4, 2026 Nov 4, 2026
10-Q Quarterly report Aug 4, 2026 Jun 30, 2026
8-K Current report
Results of operations, Officer or director change
Jul 29, 2026 Jul 24, 2026
8-K Current report
Material agreement, Agreement ended, New debt, Unregistered share sale, Other events
Jun 22, 2026 Jun 15, 2026
8-K Current report
Other events
Jun 15, 2026 Jun 15, 2026
8-K Current report
Shareholder vote results
Jun 9, 2026 Jun 5, 2026
10-Q Quarterly report May 5, 2026 Mar 31, 2026
8-K Current report
Results of operations
May 5, 2026 May 5, 2026
ARS Annual report to shareholders Apr 24, 2026 Dec 31, 2025
DEFA14A Additional proxy material Apr 24, 2026 —
DEF 14A Proxy statement Apr 24, 2026 Jun 5, 2026
S-8 Employee stock plan registration Feb 27, 2026 —
10-K Annual report Feb 26, 2026 Dec 31, 2025
8-K Current report
Results of operations
Feb 5, 2026 Feb 5, 2026
8-K Current report
Results of operations, Regulation FD disclosure
Jan 12, 2026 Jan 12, 2026
8-K Current report
Other events
Dec 30, 2025 Dec 30, 2025
10-Q Quarterly report Nov 5, 2025 Sep 30, 2025
8-K Current report
Results of operations
Nov 5, 2025 Nov 5, 2025
8-K Current report
Agreement ended
Aug 18, 2025 Aug 13, 2025
10-Q Quarterly report Aug 5, 2025 Jun 30, 2025
8-K Current report
Results of operations
Aug 5, 2025 Aug 5, 2025
8-K Current report
Shareholder vote results
Jun 12, 2025 Jun 10, 2025
10-Q Quarterly report May 1, 2025 Mar 31, 2025
8-K Current report
Results of operations
May 1, 2025 May 1, 2025
ARS Annual report to shareholders Apr 29, 2025 Dec 31, 2024
DEFA14A Additional proxy material Apr 29, 2025 —
DEF 14A Proxy statement Apr 29, 2025 Jun 10, 2025
10-K Annual report Mar 3, 2025 Dec 31, 2024
8-K Current report
Results of operations
Feb 11, 2025 Feb 11, 2025
10-Q Quarterly report Nov 7, 2024 Sep 30, 2024
8-K Current report
Results of operations
Nov 7, 2024 Nov 7, 2024
10-Q Quarterly report Aug 1, 2024 Jun 30, 2024
8-K Current report
Results of operations
Aug 1, 2024 Aug 1, 2024
8-K Current report
Shareholder vote results, Other events
Jun 11, 2024 Jun 7, 2024
DEFA14A Additional proxy material May 24, 2024 —
10-Q Quarterly report May 7, 2024 Mar 31, 2024
8-K Current report
Results of operations
May 7, 2024 May 7, 2024
ARS Annual report to shareholders Apr 26, 2024 Dec 31, 2023
DEFA14A Additional proxy material Apr 26, 2024 —
DEF 14A Proxy statement Apr 26, 2024 Jun 7, 2024
8-K Current report
Officer or director change
Apr 9, 2024 Apr 4, 2024
8-K Current report
Results of operations
Apr 5, 2024 Apr 2, 2024
8-K Current report
Officer or director change
Apr 2, 2024 Apr 1, 2024
10-K Annual report Feb 29, 2024 Dec 31, 2023
8-K Current report
Results of operations
Feb 14, 2024 Feb 14, 2024
10-Q Quarterly report Nov 9, 2023 Sep 30, 2023
8-K Current report
Results of operations
Nov 9, 2023 Nov 9, 2023
8-K Current report
Officer or director change
Sep 1, 2023 Sep 1, 2023
10-Q Quarterly report Aug 2, 2023 Jun 30, 2023
8-K Current report
Results of operations, Officer or director change
Aug 2, 2023 Jul 28, 2023
8-K Current report
Listing notice
Jul 3, 2023 Jun 26, 2023
8-K Current report
Officer or director change, Shareholder vote results
Jun 13, 2023 Jun 9, 2023
DEFA14A Additional proxy material Jun 1, 2023 —
8-K Current report
Regulation FD disclosure, Other events
May 9, 2023 May 9, 2023
10-Q Quarterly report May 3, 2023 Mar 31, 2023
8-K Current report
Results of operations
May 3, 2023 May 3, 2023
ARS Annual report to shareholders Apr 28, 2023 Dec 31, 2022
DEFA14A Additional proxy material Apr 28, 2023 —
DEF 14A Proxy statement Apr 28, 2023 —
8-K Current report
Officer or director change
Apr 11, 2023 Apr 7, 2023
S-8 Employee stock plan registration Feb 14, 2023 —
10-K Annual report Feb 14, 2023 Dec 31, 2022
8-K Current report
Results of operations
Feb 14, 2023 Feb 14, 2023
10-Q Quarterly report Nov 3, 2022 Sep 30, 2022
8-K Current report
Results of operations
Nov 3, 2022 Nov 3, 2022
8-K Current report
Material agreement, New debt, Other events
Sep 12, 2022 Sep 12, 2022
10-Q Quarterly report Aug 3, 2022 Jun 30, 2022
8-K Current report
Results of operations
Aug 3, 2022 Aug 3, 2022
8-K Current report
Shareholder vote results
Jun 14, 2022 Jun 10, 2022
10-Q Quarterly report May 4, 2022 Mar 31, 2022
8-K Current report
Results of operations
May 4, 2022 May 4, 2022
DEFA14A Additional proxy material Apr 22, 2022 —
DEF 14A Proxy statement Apr 22, 2022 Jun 10, 2022
8-K Current report
Other events
Mar 25, 2022 Mar 25, 2022
8-K Current report
Officer or director change
Mar 11, 2022 Mar 9, 2022
10-K Annual report Feb 15, 2022 Dec 31, 2021
8-K Current report
Results of operations, Officer or director change
Feb 15, 2022 Feb 15, 2022
8-K Current report
Results of operations, Officer or director change
Jan 10, 2022 Jan 4, 2022
10-Q Quarterly report Nov 3, 2021 Sep 30, 2021
8-K Current report
Results of operations, Officer or director change
Nov 3, 2021 Oct 28, 2021
10-Q Quarterly report Aug 4, 2021 Jun 30, 2021
8-K Current report
Results of operations
Aug 4, 2021 Aug 4, 2021
8-K Current report
Shareholder vote results
Jun 14, 2021 Jun 11, 2021
10-Q Quarterly report May 5, 2021 Mar 31, 2021
8-K Current report
Results of operations
May 5, 2021 May 5, 2021
DEFA14A Additional proxy material Apr 23, 2021 —
DEF 14A Proxy statement Apr 23, 2021 Jun 11, 2021
8-K Current report
Officer or director change, Regulation FD disclosure
Mar 17, 2021 Mar 16, 2021
8-K Current report
Officer or director change
Mar 5, 2021 Mar 4, 2021
8-K Current report
Regulation FD disclosure, Other events
Mar 2, 2021 Mar 2, 2021
10-K Annual report Feb 24, 2021 Dec 31, 2020
8-K Current report
Results of operations
Feb 24, 2021 Feb 24, 2021
8-K Current report
Officer or director change
Jan 27, 2021 Jan 21, 2021
8-K Current report
Other events
Nov 12, 2020 Nov 11, 2020
10-Q Quarterly report Nov 10, 2020 Sep 30, 2020
8-K Current report
Results of operations
Nov 10, 2020 Nov 10, 2020
8-K Current report
Officer or director change
Oct 16, 2020 Oct 9, 2020
8-K Current report
Other events
Aug 21, 2020 Aug 21, 2020
424B7 Filing Aug 21, 2020 —
10-Q Quarterly report Aug 10, 2020 Jun 30, 2020
8-K Current report
Results of operations
Aug 10, 2020 Aug 10, 2020
8-K Current report
Material agreement, Results of operations, Other events
Jul 16, 2020 Jul 14, 2020
424B5 Prospectus supplement Jul 16, 2020 —
424B5 Prospectus supplement Jul 14, 2020 —
S-3ASR Automatic shelf registration Jul 14, 2020 —
8-K Current report
Officer or director change
Jun 26, 2020 Jun 25, 2020
8-K Current report
Shareholder vote results
Jun 16, 2020 Jun 12, 2020
10-Q Quarterly report May 12, 2020 Mar 31, 2020
8-K Current report
Results of operations
May 12, 2020 May 12, 2020
8-K Current report
Regulation FD disclosure
May 5, 2020 May 5, 2020
DEFA14A Additional proxy material Apr 24, 2020 —
DEF 14A Proxy statement Apr 24, 2020 Jun 12, 2020
8-K Current report
Regulation FD disclosure
Mar 20, 2020 Mar 20, 2020
10-K Annual report Feb 26, 2020 Dec 31, 2019
8-K Current report
Results of operations
Feb 26, 2020 Feb 26, 2020
8-K Current report
Officer or director change
Feb 18, 2020 Feb 13, 2020
8-K/A Amended current report Jan 27, 2020 Jan 21, 2020
424B4 Prospectus Jan 24, 2020 —
8-K Current report
Results of operations, Regulation FD disclosure
Jan 24, 2020 Jan 21, 2020
EFFECT Filing Jan 23, 2020 —
S-1/A Amended registration statement Jan 22, 2020 —
CORRESP Letter to the SEC Jan 21, 2020 —
CORRESP Letter to the SEC Jan 21, 2020 —
S-1 Registration statement Jan 21, 2020 —
UPLOAD Letter from the SEC Jan 15, 2020 —
DRS Filing Jan 9, 2020 —
8-K Current report
Regulation FD disclosure
Jan 8, 2020 Jan 8, 2020
10-Q Quarterly report Nov 12, 2019 Sep 30, 2019
8-K Current report
Results of operations
Nov 12, 2019 Nov 12, 2019
8-K Current report
Material agreement, Regulation FD disclosure
Sep 24, 2019 Sep 24, 2019
10-Q Quarterly report Aug 13, 2019 Jun 30, 2019
8-K Current report
Results of operations
Aug 13, 2019 Aug 13, 2019
8-K Current report
Material agreement, Regulation FD disclosure
Aug 7, 2019 Aug 2, 2019
8-K Current report
Regulation FD disclosure
Aug 2, 2019 Jul 31, 2019
S-8 Employee stock plan registration Jul 1, 2019 —
8-K Current report
Bylaw or fiscal year change, Other events
Jul 1, 2019 Jun 26, 2019
424B4 Prospectus Jun 27, 2019 —
EFFECT Filing Jun 26, 2019 —
CERT Filing Jun 26, 2019 —
S-1/A Amended registration statement 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 —
S-1/A Amended registration statement Jun 19, 2019 —
SEC STAFF LETTER Filing Jun 19, 2019 —
CORRESP Letter to the SEC Jun 17, 2019 —
S-1/A Amended registration statement 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 —
S-1 Registration statement 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 167 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.