Adaptimmune Therapeutics PLC SEC filings ADAPY
Adaptimmune Therapeutics PLC has 808 filings in SEC EDGAR's recent list, going back to Oct 2, 2014. Its latest annual report, Form ARS, was filed on Apr 25, 2025 for the period ended Dec 31, 2024. The latest quarterly report (Form 10-Q) was filed on Aug 13, 2025, covering the quarter ended Jun 30, 2025. The most recent current report (Form 8-K) was filed on Oct 20, 2025 (listing notice, regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| RW | Filing | Apr 22, 2026 | — |
| EFFECT | Filing | Nov 14, 2025 | — |
| 424B3 | Prospectus | Nov 13, 2025 | — |
| 15-12G | Deregistration | Nov 13, 2025 | — |
| S-8 POS | Filing | Oct 28, 2025 | — |
| S-8 POS | Filing | Oct 28, 2025 | — |
| S-8 POS | Filing | Oct 28, 2025 | — |
| POS AM | Filing | Oct 28, 2025 | — |
| 25 | Form 25 | Oct 28, 2025 | — |
| 8-K |
Current report
Listing notice, Regulation FD disclosure
|
Oct 20, 2025 | Oct 15, 2025 |
| 8-K |
Current report
Listing notice
|
Sep 26, 2025 | Sep 22, 2025 |
| 8-K |
Current report
Listing notice
|
Sep 12, 2025 | Sep 11, 2025 |
| 8-K |
Current report
Officer or director change
|
Sep 8, 2025 | Sep 6, 2025 |
| 8-K |
Current report
Officer or director change
|
Aug 29, 2025 | Aug 29, 2025 |
| 8-K |
Current report
Officer or director change
|
Aug 15, 2025 | Aug 15, 2025 |
| 8-K |
Current report
Listing notice
|
Aug 14, 2025 | Aug 14, 2025 |
| 10-Q | Quarterly report | Aug 13, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 13, 2025 | Aug 13, 2025 |
| 8-K |
Current report
Officer or director change
|
Aug 7, 2025 | Aug 7, 2025 |
| 8-K |
Current report
Agreement ended, Acquisition or sale of assets
|
Jul 31, 2025 | Jul 31, 2025 |
| 8-K |
Current report
Material agreement, Exit or restructuring costs, Officer or director change, Regulation FD disclosure
|
Jul 28, 2025 | Jul 27, 2025 |
| 8-K |
Current report
Other events
|
Jul 17, 2025 | Jul 16, 2025 |
| 8-K |
Current report
Shareholder vote results
|
May 29, 2025 | May 29, 2025 |
| 10-Q | Quarterly report | May 13, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 13, 2025 | May 13, 2025 |
| 8-K |
Current report
Listing notice
|
May 1, 2025 | May 1, 2025 |
| ARS | Annual report to shareholders | Apr 25, 2025 | Dec 31, 2024 |
| DEF 14A | Proxy statement | Apr 25, 2025 | May 29, 2025 |
| S-3 | Shelf registration | Apr 18, 2025 | — |
| PRE 14A | Preliminary proxy statement | Apr 15, 2025 | May 29, 2025 |
| 8-K |
Current report
Officer or director change
|
Apr 14, 2025 | Apr 14, 2025 |
| 10-K | Annual report | Mar 24, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Material agreement
|
Mar 24, 2025 | Mar 24, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Mar 20, 2025 | Mar 20, 2025 |
| 8-K |
Current report
Officer or director change, Other events
|
Dec 19, 2024 | Dec 18, 2024 |
| 10-Q | Quarterly report | Nov 13, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations, Exit or restructuring costs
|
Nov 13, 2024 | Nov 13, 2024 |
| 8-K |
Current report
Other events
|
Nov 13, 2024 | Nov 13, 2024 |
| 8-K |
Current report
Listing notice
|
Nov 1, 2024 | Nov 1, 2024 |
| 8-K |
Current report
Material agreement
|
Sep 23, 2024 | Sep 23, 2024 |
| 10-Q | Quarterly report | Aug 12, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 12, 2024 | Aug 12, 2024 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Aug 2, 2024 | Aug 1, 2024 |
| 8-K |
Current report
Officer or director change
|
Jul 16, 2024 | Jul 16, 2024 |
| 8-K |
Current report
Officer or director change
|
Jun 11, 2024 | Jun 11, 2024 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
May 30, 2024 | May 30, 2024 |
| 10-Q | Quarterly report | May 15, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
May 15, 2024 | May 15, 2024 |
| 8-K |
Current report
Material agreement, New debt, Regulation FD disclosure
|
May 15, 2024 | May 14, 2024 |
| 8-K |
Current report
Shareholder vote results
|
May 14, 2024 | May 14, 2024 |
| ARS | Annual report to shareholders | Apr 22, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Agreement ended
|
Apr 12, 2024 | Apr 10, 2024 |
| DEF 14A | Proxy statement | Apr 11, 2024 | May 14, 2024 |
| PRE 14A | Preliminary proxy statement | Apr 1, 2024 | May 14, 2024 |
| 10-K | Annual report | Mar 6, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Mar 6, 2024 | Mar 6, 2024 |
| 8-K |
Current report
Officer or director change
|
Feb 27, 2024 | Feb 26, 2024 |
| 8-K |
Current report
Listing notice
|
Feb 16, 2024 | Feb 16, 2024 |
| 8-K |
Current report
Other events
|
Jan 31, 2024 | Jan 31, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 4, 2024 | Jan 4, 2024 |
| 8-K |
Current report
Other events
|
Dec 6, 2023 | Dec 6, 2023 |
| S-8 | Employee stock plan registration | Nov 30, 2023 | — |
| 8-K |
Current report
Other events
|
Nov 14, 2023 | Nov 14, 2023 |
| 10-Q | Quarterly report | Nov 8, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 8, 2023 | Nov 8, 2023 |
| 8-K |
Current report
Officer or director change
|
Nov 3, 2023 | Nov 1, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 31, 2023 | Oct 31, 2023 |
| 8-K |
Current report
Listing notice
|
Aug 31, 2023 | Aug 31, 2023 |
| 8-K/A | Amended current report | Aug 10, 2023 | Jun 1, 2023 |
| 10-Q | Quarterly report | Aug 9, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 9, 2023 | Aug 9, 2023 |
| S-8 POS | Filing | Jun 29, 2023 | — |
| S-8 POS | Filing | Jun 29, 2023 | — |
| 8-K |
Current report
Officer or director change
|
Jun 29, 2023 | Jun 29, 2023 |
| 8-K |
Current report
Acquisition or sale of assets, Officer or director change, Regulation FD disclosure
|
Jun 1, 2023 | Jun 1, 2023 |
| 425 | Filing | May 30, 2023 | — |
| 8-K |
Current report
Shareholder vote results
|
May 30, 2023 | May 30, 2023 |
| 425 | Filing | May 22, 2023 | — |
| 8-K |
Current report
Other events
|
May 22, 2023 | May 22, 2023 |
| 8-K |
Current report
Shareholder vote results
|
May 16, 2023 | May 16, 2023 |
| 10-Q | Quarterly report | May 12, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations
|
May 12, 2023 | May 12, 2023 |
| EFFECT | Filing | Apr 20, 2023 | — |
| 424B3 | Prospectus | Apr 20, 2023 | — |
| CORRESP | Letter to the SEC | Apr 18, 2023 | — |
| S-4/A | Filing | Apr 18, 2023 | — |
| DEF 14A | Proxy statement | Apr 13, 2023 | — |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Apr 11, 2023 | Apr 6, 2023 |
| UPLOAD | Letter from the SEC | Apr 6, 2023 | — |
| S-4 | Registration for a merger or exchange | Apr 5, 2023 | — |
| PRE 14A | Preliminary proxy statement | Apr 3, 2023 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 10, 2023 | Mar 10, 2023 |
| 425 | Filing | Mar 9, 2023 | — |
| 425 | Filing | Mar 9, 2023 | — |
| 10-K | Annual report | Mar 6, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Agreement ended, Results of operations, Officer or director change
|
Mar 6, 2023 | Mar 2, 2023 |
| 425 | Filing | Mar 6, 2023 | — |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Mar 6, 2023 | Mar 5, 2023 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Feb 16, 2023 | Feb 15, 2023 |
| 8-K |
Current report
Agreement ended
|
Jan 31, 2023 | Jan 27, 2023 |
| 8-K |
Current report
Material agreement
|
Dec 20, 2022 | Dec 19, 2022 |
| 10-Q | Quarterly report | Nov 8, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations
|
Nov 8, 2022 | Nov 8, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 8, 2022 | Nov 8, 2022 |
| 8-K |
Current report
Agreement ended
|
Oct 25, 2022 | Oct 24, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 9, 2022 | Sep 9, 2022 |
| 10-Q | Quarterly report | Aug 4, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 4, 2022 | Aug 4, 2022 |
| 8-K |
Current report
Material agreement
|
Jun 15, 2022 | Jun 15, 2022 |
| 8-K |
Current report
Shareholder vote results
|
May 25, 2022 | May 25, 2022 |
| 10-Q | Quarterly report | May 9, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Results of operations
|
May 9, 2022 | May 9, 2022 |
| 8-K |
Current report
Officer or director change
|
May 4, 2022 | May 4, 2022 |
| 424B5 | Prospectus supplement | Apr 28, 2022 | — |
| EFFECT | Filing | Apr 22, 2022 | — |
| CORRESP | Letter to the SEC | Apr 21, 2022 | — |
| S-3/A | Filing | Apr 21, 2022 | — |
| DEF 14A | Proxy statement | Apr 21, 2022 | May 25, 2022 |
| UPLOAD | Letter from the SEC | Apr 15, 2022 | — |
| PRE 14A | Preliminary proxy statement | Apr 11, 2022 | May 25, 2022 |
| S-3 | Shelf registration | Apr 8, 2022 | — |
| 8-K |
Current report
Results of operations
|
Mar 14, 2022 | Mar 14, 2022 |
| 10-K | Annual report | Mar 14, 2022 | Dec 31, 2021 |
| NT 10-K | Filing | Mar 1, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Officer or director change
|
Jan 26, 2022 | Jan 26, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 12, 2021 | Nov 11, 2021 |
| 10-Q | Quarterly report | Nov 4, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Results of operations
|
Nov 4, 2021 | Nov 4, 2021 |
| 8-K |
Current report
Other events
|
Sep 13, 2021 | Sep 13, 2021 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure, Other events
|
Sep 7, 2021 | Sep 3, 2021 |
| 8-K |
Current report
Material agreement
|
Aug 20, 2021 | Aug 20, 2021 |
| 8-K |
Current report
Material agreement
|
Aug 13, 2021 | Aug 13, 2021 |
| 10-Q | Quarterly report | Aug 9, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Results of operations
|
Aug 9, 2021 | Aug 9, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
May 19, 2021 | May 19, 2021 |
| 8-K |
Current report
Shareholder vote results
|
May 14, 2021 | May 14, 2021 |
| 10-Q | Quarterly report | May 6, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Results of operations
|
May 6, 2021 | May 6, 2021 |
| DEF 14A | Proxy statement | Apr 8, 2021 | May 14, 2021 |
| PRE 14A | Preliminary proxy statement | Mar 29, 2021 | May 14, 2021 |
| 10-K | Annual report | Feb 25, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Results of operations
|
Feb 25, 2021 | Feb 25, 2021 |
| 8-K |
Current report
Officer or director change
|
Dec 16, 2020 | Dec 16, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 20, 2020 | Nov 20, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 19, 2020 | Nov 19, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 9, 2020 | Nov 9, 2020 |
| 10-Q | Quarterly report | Nov 5, 2020 | Sep 30, 2020 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2020 | Nov 5, 2020 |
| CT ORDER | Filing | Nov 4, 2020 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 15, 2020 | Oct 15, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 28, 2020 | Aug 28, 2020 |
| S-3ASR | Automatic shelf registration | Aug 10, 2020 | — |
| 10-Q | Quarterly report | Aug 6, 2020 | Jun 30, 2020 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2020 | Aug 6, 2020 |
| 424B5 | Prospectus supplement | Jun 2, 2020 | — |
| 8-K |
Current report
Material agreement, Other events
|
Jun 2, 2020 | Jun 1, 2020 |
| 424B5 | Prospectus supplement | Jun 1, 2020 | — |
| 8-K |
Current report
Regulation FD disclosure
|
May 29, 2020 | May 29, 2020 |
| 8-K |
Current report
Shareholder vote results
|
May 29, 2020 | May 29, 2020 |
| 10-Q/A | Amended quarterly report | May 28, 2020 | Mar 31, 2020 |
| 10-Q | Quarterly report | May 14, 2020 | Mar 31, 2020 |
| 8-K |
Current report
Results of operations
|
May 14, 2020 | May 14, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
May 12, 2020 | May 12, 2020 |
| 8-K |
Current report
Other events
|
Apr 29, 2020 | Apr 29, 2020 |
| 8-K |
Current report
Other events
|
Apr 28, 2020 | Apr 28, 2020 |
| DEF 14A | Proxy statement | Apr 20, 2020 | May 29, 2020 |
| 8-K |
Current report
Officer or director change
|
Apr 8, 2020 | Apr 7, 2020 |
| PRE 14A | Preliminary proxy statement | Apr 8, 2020 | May 29, 2020 |
| 10-K | Annual report | Feb 27, 2020 | Dec 31, 2019 |
| 8-K |
Current report
Results of operations
|
Feb 27, 2020 | Feb 27, 2020 |
| 8-K |
Current report
Officer or director change, Other events
|
Feb 18, 2020 | Feb 17, 2020 |
| 8-K |
Current report
Other events
|
Feb 7, 2020 | Feb 7, 2020 |
| 424B5 | Prospectus supplement | Jan 22, 2020 | — |
| 8-K |
Current report
Material agreement, Other events
|
Jan 22, 2020 | Jan 21, 2020 |
| 424B5 | Prospectus supplement | Jan 21, 2020 | — |
| 8-K |
Current report
Material agreement, Regulation FD disclosure, Other events
|
Jan 14, 2020 | Jan 13, 2020 |
| 8-K |
Current report
Officer or director change, Other events
|
Jan 13, 2020 | Jan 13, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 13, 2020 | Jan 13, 2020 |
| 8-K |
Current report
Material agreement
|
Nov 26, 2019 | Nov 23, 2019 |
| 10-Q | Quarterly report | Nov 6, 2019 | Sep 30, 2019 |
| 8-K |
Current report
Results of operations
|
Nov 6, 2019 | Nov 6, 2019 |
| 8-K |
Current report
Officer or director change, Other events
|
Oct 1, 2019 | Sep 30, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 30, 2019 | Sep 30, 2019 |
| EFFECT | Filing | Sep 10, 2019 | — |
| CORRESP | Letter to the SEC | Sep 6, 2019 | — |
| UPLOAD | Letter from the SEC | Sep 6, 2019 | — |
| F-6EF | Filing | Aug 30, 2019 | — |
| S-8 | Employee stock plan registration | Aug 30, 2019 | — |
| S-3 | Shelf registration | Aug 30, 2019 | — |
| 8-K |
Current report
Material agreement, Other events
|
Aug 27, 2019 | Aug 26, 2019 |
| 10-Q | Quarterly report | Aug 1, 2019 | Jun 30, 2019 |
| 8-K |
Current report
Results of operations
|
Aug 1, 2019 | Aug 1, 2019 |
| 8-K |
Current report
Officer or director change, Other events
|
Aug 1, 2019 | Jul 27, 2019 |
| 8-K |
Current report
Other events
|
Jul 25, 2019 | Jul 25, 2019 |
| 8-K |
Current report
Other events
|
Jul 22, 2019 | Jul 22, 2019 |
| 8-K |
Current report
Other events
|
Jul 18, 2019 | Jul 18, 2019 |
| 8-K |
Current report
Officer or director change, Other events
|
Jun 27, 2019 | Jun 26, 2019 |
| 8-K |
Current report
Material agreement, Other events
|
May 15, 2019 | May 14, 2019 |
| 10-Q | Quarterly report | May 6, 2019 | Mar 31, 2019 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
May 6, 2019 | May 6, 2019 |
Showing 200 filings, the most recent 200. 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.
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Company profile
- Industry
- Biological Products, (No Diagnostic Substances) (SIC 2836)
- Listed as
- ADAPY (OTC)
- Fiscal year ends
- December 31
- Incorporated in
- United Kingdom
- Headquarters
- Abingdon, Oxfordshire
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1621227
- Former names
- Adaptimmune Ltd (until Mar 17, 2015)
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All 182 Biological Products, (No Diagnostic Substances) companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.