Company facts
- Headquarters
- Abingdon, Oxfordshire
- Most recent report
- 8-K, filed Oct 20, 2025
- Filings on record
- 808 filings
- On EDGAR
- CIK 1621227
- Fiscal year ends
- December
- Filer status
- Non-accelerated filer Smaller reporting company
Financials 8 of 62
News 8 of 199
- 8-K Current report on a material event Oct 20, 2025
- 8-K Current report on a material event Sep 26, 2025
- 8-K Current report on a material event Sep 12, 2025
- 8-K Leadership change Sep 8, 2025
- 8-K Leadership change Aug 29, 2025
- 8-K Leadership change Aug 15, 2025
- 8-K Current report on a material event Aug 14, 2025
- 8-K Quarterly results Aug 13, 2025
Prospectuses and Registrations 8 of 34
- 424B3 Prospectus supplement for an offering Nov 13, 2025
- S-8 POS Post-effective amendment to an employee plan registration Oct 28, 2025
- S-8 POS Post-effective amendment to an employee plan registration Oct 28, 2025
- S-8 POS Post-effective amendment to an employee plan registration Oct 28, 2025
- POS AM Post-effective amendment to a registration Oct 28, 2025
- 25 Oct 28, 2025
- S-3 Shelf registration statement Apr 18, 2025
- S-8 Registration statement for an employee plan Nov 30, 2023
Proxies 8 of 17
- DEF 14A Proxy statement for a shareholder vote Apr 25, 2025
- PRE 14A Preliminary proxy statement Apr 15, 2025
- DEF 14A Proxy statement for a shareholder vote Apr 11, 2024
- PRE 14A Preliminary proxy statement Apr 1, 2024
- DEF 14A Proxy statement for a shareholder vote Apr 13, 2023
- PRE 14A Preliminary proxy statement Apr 3, 2023
- DEF 14A Proxy statement for a shareholder vote Apr 21, 2022
- PRE 14A Preliminary proxy statement Apr 11, 2022
Ownership 8 of 429
- SCHEDULE 13G Large holder reported a passive stake Feb 17, 2026
- SCHEDULE 13G/A Large holder reported a passive stake, amended Nov 14, 2025
- 3 Insider reported their initial holding Oct 8, 2025
- 4 Insider reported a trade Sep 3, 2025
- 144 Notice of a proposed sale of restricted stock Sep 2, 2025
- 4 Insider reported a trade Aug 29, 2025
- 144 Notice of a proposed sale of restricted stock Aug 29, 2025
- 4 Insider reported a trade Aug 19, 2025
Other 8 of 67
Everything here comes from Adaptimmune Therapeutics PLC's own filings on SEC EDGAR. The filing list is rechecked every hour.