Immunocore Holdings plc SEC filings IMCR
Immunocore Holdings plc has 279 filings in SEC EDGAR's recent list, going back to Apr 13, 2016. Its latest annual report, Form ARS, was filed on Apr 16, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 6, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Sep 14, 2026 (regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 7, 2026 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 14, 2026 | Sep 14, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 13, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 6, 2026 | — |
| 10-Q | Quarterly report | Aug 6, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2026 | Aug 6, 2026 |
| 4 | Insider transaction | May 28, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 28, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 28, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 28, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 28, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 28, 2026 | May 27, 2026 |
| 8-K |
Current report
Shareholder vote results
|
May 27, 2026 | May 27, 2026 |
| 144 | Notice of proposed sale | May 22, 2026 | — |
| 144 | Notice of proposed sale | May 21, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 15, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| S-8 | Employee stock plan registration | May 8, 2026 | — |
| 8-K |
Current report
Results of operations
|
May 6, 2026 | May 6, 2026 |
| 10-Q | Quarterly report | May 6, 2026 | Mar 31, 2026 |
| ARS | Annual report to shareholders | Apr 16, 2026 | Dec 31, 2025 |
| DEF 14A | Proxy statement | Apr 16, 2026 | May 27, 2026 |
| 144 | Notice of proposed sale | Apr 8, 2026 | — |
| 144 | Notice of proposed sale | Mar 11, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 6, 2026 | — |
| 8-K |
Current report
Results of operations
|
Feb 25, 2026 | Feb 25, 2026 |
| 10-K | Annual report | Feb 25, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Feb 19, 2026 | Feb 17, 2026 |
| 4 | Insider transaction | Feb 19, 2026 | Feb 17, 2026 |
| 4 | Insider transaction | Feb 19, 2026 | Feb 17, 2026 |
| 4 | Insider transaction | Feb 19, 2026 | Feb 17, 2026 |
| 4 | Insider transaction | Feb 19, 2026 | Feb 17, 2026 |
| 144 | Notice of proposed sale | Feb 18, 2026 | — |
| 144 | Notice of proposed sale | Feb 18, 2026 | — |
| 144 | Notice of proposed sale | Feb 18, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 17, 2026 | — |
| 8-K |
Current report
Officer or director change
|
Jan 30, 2026 | Jan 27, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
Jan 9, 2026 | Jan 9, 2026 |
| 4 | Insider transaction | Dec 8, 2025 | Dec 4, 2025 |
| 4 | Insider transaction | Dec 1, 2025 | Nov 26, 2025 |
| 8-K |
Current report
Officer or director change
|
Nov 28, 2025 | Nov 26, 2025 |
| 4 | Insider transaction | Nov 26, 2025 | Nov 24, 2025 |
| 144 | Notice of proposed sale | Nov 24, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Nov 14, 2025 | — |
| 8-K |
Current report
Results of operations
|
Nov 6, 2025 | Nov 6, 2025 |
| 10-Q | Quarterly report | Nov 6, 2025 | Sep 30, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Oct 24, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 3, 2025 | — |
| 4 | Insider transaction | Oct 2, 2025 | Sep 30, 2025 |
| 4 | Insider transaction | Sep 16, 2025 | Sep 12, 2025 |
| 4 | Insider transaction | Sep 12, 2025 | Sep 10, 2025 |
| 144 | Notice of proposed sale | Sep 10, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2025 | — |
| 8-K |
Current report
Results of operations
|
Aug 7, 2025 | Aug 7, 2025 |
| 10-Q | Quarterly report | Aug 7, 2025 | Jun 30, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 5, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 5, 2025 | — |
| 4 | Insider transaction | May 19, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 15, 2025 |
| 8-K |
Current report
Shareholder vote results
|
May 15, 2025 | May 15, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 12, 2025 | — |
| S-8 | Employee stock plan registration | May 7, 2025 | — |
| 8-K |
Current report
Results of operations
|
May 7, 2025 | May 7, 2025 |
| 10-Q | Quarterly report | May 7, 2025 | Mar 31, 2025 |
| ARS | Annual report to shareholders | Apr 4, 2025 | Dec 31, 2024 |
| DEF 14A | Proxy statement | Apr 4, 2025 | May 15, 2025 |
| PRE 14A | Preliminary proxy statement | Mar 24, 2025 | May 15, 2025 |
| 4 | Insider transaction | Mar 19, 2025 | Mar 17, 2025 |
| 144 | Notice of proposed sale | Mar 17, 2025 | — |
| 8-K |
Current report
Other events
|
Mar 17, 2025 | Mar 17, 2025 |
| 424B7 | 427b7 | Mar 17, 2025 | — |
| POSASR | Filing | Mar 17, 2025 | — |
| 144 | Notice of proposed sale | Mar 14, 2025 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 10, 2025 | Mar 10, 2025 |
| 4 | Insider transaction | Feb 27, 2025 | Feb 25, 2025 |
| 3 | Initial insider ownership | Feb 27, 2025 | Feb 25, 2025 |
| 8-K |
Current report
Results of operations, Officer or director change
|
Feb 26, 2025 | Feb 25, 2025 |
| 10-K | Annual report | Feb 26, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Feb 19, 2025 | Feb 17, 2025 |
| 4 | Insider transaction | Feb 19, 2025 | Feb 17, 2025 |
| 4 | Insider transaction | Feb 19, 2025 | Feb 17, 2025 |
| 4 | Insider transaction | Feb 19, 2025 | Feb 17, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 14, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 13, 2025 | — |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
Jan 10, 2025 | Jan 10, 2025 |
| 4 | Insider transaction | Jan 3, 2025 | Jan 1, 2025 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jan 2, 2025 | Dec 31, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 12, 2024 | — |
| 8-K |
Current report
Agreement ended
|
Nov 8, 2024 | Nov 8, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 8, 2024 | — |
| 8-K |
Current report
Results of operations
|
Nov 6, 2024 | Nov 6, 2024 |
| 10-Q | Quarterly report | Nov 6, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Other events
|
Sep 16, 2024 | Sep 14, 2024 |
| SC 13G | Ownership over 5% (passive) | Sep 10, 2024 | — |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Aug 29, 2024 | Aug 28, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2024 | Aug 8, 2024 |
| 10-Q | Quarterly report | Aug 8, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
May 31, 2024 | May 31, 2024 |
| 8-K |
Current report
Other events
|
May 30, 2024 | May 29, 2024 |
| 4 | Insider transaction | May 29, 2024 | May 28, 2024 |
| 3 | Initial insider ownership | May 29, 2024 | May 28, 2024 |
| 3 | Initial insider ownership | May 29, 2024 | May 28, 2024 |
| 8-K |
Current report
Material agreement, Officer or director change
|
May 28, 2024 | May 28, 2024 |
| 4 | Insider transaction | May 28, 2024 | May 23, 2024 |
| 4 | Insider transaction | May 28, 2024 | May 23, 2024 |
| 4 | Insider transaction | May 28, 2024 | May 23, 2024 |
| 4 | Insider transaction | May 28, 2024 | May 23, 2024 |
| 4 | Insider transaction | May 28, 2024 | May 23, 2024 |
| 8-K |
Current report
Shareholder vote results
|
May 23, 2024 | May 23, 2024 |
| 8-K |
Current report
Results of operations
|
May 8, 2024 | May 8, 2024 |
| 10-Q | Quarterly report | May 8, 2024 | Mar 31, 2024 |
| ARS | Annual report to shareholders | Apr 12, 2024 | Dec 31, 2023 |
| DEF 14A | Proxy statement | Apr 12, 2024 | May 23, 2024 |
| 8-K |
Current report
Other events
|
Apr 5, 2024 | Apr 5, 2024 |
| 424B7 | Filing | Apr 5, 2024 | — |
| 4 | Insider transaction | Apr 3, 2024 | Apr 1, 2024 |
| PRE 14A | Preliminary proxy statement | Apr 2, 2024 | May 23, 2024 |
| 144 | Notice of proposed sale | Apr 1, 2024 | — |
| S-8 | Employee stock plan registration | Mar 21, 2024 | — |
| S-3ASR | Automatic shelf registration | Mar 21, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Mar 11, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Mar 7, 2024 | — |
| 4 | Insider transaction | Mar 1, 2024 | Feb 28, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 28, 2024 | Feb 28, 2024 |
| 4 | Insider transaction | Feb 28, 2024 | Feb 26, 2024 |
| 10-K | Annual report | Feb 28, 2024 | Dec 31, 2023 |
| 144 | Notice of proposed sale | Feb 26, 2024 | — |
| 4 | Insider transaction | Feb 21, 2024 | Feb 16, 2024 |
| 4 | Insider transaction | Feb 21, 2024 | Feb 16, 2024 |
| 4 | Insider transaction | Feb 21, 2024 | Feb 16, 2024 |
| 4 | Insider transaction | Feb 21, 2024 | Feb 16, 2024 |
| 4 | Insider transaction | Feb 21, 2024 | Feb 16, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Feb 8, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 6, 2024 | — |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale, Other events
|
Feb 2, 2024 | Jan 30, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Feb 1, 2024 | — |
| 8-K |
Current report
Results of operations, Other events
|
Jan 29, 2024 | Jan 29, 2024 |
| 4 | Insider transaction | Jan 5, 2024 | Jan 3, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
Jan 5, 2024 | Jan 5, 2024 |
| 144 | Notice of proposed sale | Jan 3, 2024 | — |
| 3 | Initial insider ownership | Jan 2, 2024 | Jan 2, 2024 |
| 3 | Initial insider ownership | Jan 2, 2024 | Jan 2, 2024 |
| 3 | Initial insider ownership | Jan 2, 2024 | Jan 2, 2024 |
| 3 | Initial insider ownership | Jan 2, 2024 | Jan 2, 2024 |
| 3 | Initial insider ownership | Jan 2, 2024 | Jan 2, 2024 |
| 3 | Initial insider ownership | Jan 2, 2024 | Jan 2, 2024 |
| 3 | Initial insider ownership | Jan 2, 2024 | Jan 2, 2024 |
| 3 | Initial insider ownership | Jan 2, 2024 | Jan 2, 2024 |
| 3 | Initial insider ownership | Jan 2, 2024 | Jan 2, 2024 |
| 3 | Initial insider ownership | Jan 2, 2024 | Jan 2, 2024 |
| 3 | Initial insider ownership | Jan 2, 2024 | Jan 2, 2024 |
| 3 | Initial insider ownership | Jan 2, 2024 | Jan 2, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 2, 2024 | Jan 2, 2024 |
| 144 | Notice of proposed sale | Dec 27, 2023 | — |
| 144 | Notice of proposed sale | Dec 20, 2023 | — |
| 144 | Notice of proposed sale | Nov 30, 2023 | — |
| 144 | Notice of proposed sale | Nov 16, 2023 | — |
| 6-K | Current report (foreign issuer) | Nov 7, 2023 | Nov 7, 2023 |
| 144 | Notice of proposed sale | Nov 6, 2023 | — |
| 144 | Notice of proposed sale | Oct 2, 2023 | — |
| SC 13D/A | Amended ownership over 5% (active) | Sep 18, 2023 | — |
| 144 | Notice of proposed sale | Aug 25, 2023 | — |
| 144 | Notice of proposed sale | Aug 17, 2023 | — |
| 6-K | Current report (foreign issuer) | Aug 10, 2023 | Jun 30, 2023 |
| 6-K | Current report (foreign issuer) | Jul 14, 2023 | Jul 14, 2023 |
| 144 | Notice of proposed sale | Jul 12, 2023 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jun 15, 2023 | — |
| 144 | Notice of proposed sale | Jun 5, 2023 | — |
| 6-K | Current report (foreign issuer) | Jun 5, 2023 | Jun 5, 2023 |
| 6-K | Current report (foreign issuer) | May 16, 2023 | May 16, 2023 |
| 6-K | Current report (foreign issuer) | May 10, 2023 | May 10, 2023 |
| 144 | Notice of proposed sale | May 8, 2023 | — |
| 144 | Notice of proposed sale | Apr 19, 2023 | — |
| 6-K | Current report (foreign issuer) | Apr 18, 2023 | Apr 18, 2023 |
| 6-K | Current report (foreign issuer) | Apr 18, 2023 | Apr 18, 2023 |
| 144 | Notice of proposed sale | Apr 17, 2023 | — |
| 144 | Notice of proposed sale | Apr 17, 2023 | — |
| S-8 | Employee stock plan registration | Apr 6, 2023 | — |
| 6-K | Current report (foreign issuer) | Mar 10, 2023 | Mar 10, 2023 |
| 6-K | Current report (foreign issuer) | Mar 2, 2023 | Mar 2, 2023 |
| 20-F | Annual report (foreign issuer) | Mar 1, 2023 | Dec 31, 2022 |
| 6-K | Current report (foreign issuer) | Mar 1, 2023 | Mar 1, 2023 |
| 6-K | Current report (foreign issuer) | Feb 22, 2023 | Feb 22, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2023 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jan 17, 2023 | — |
| 6-K | Current report (foreign issuer) | Jan 11, 2023 | Jan 11, 2023 |
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
- IMCR (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- United Kingdom
- Headquarters
- Oxfordshire, United Kingdom
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1671927
- Former names
- Immunocore Ltd (until Feb 1, 2021)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.