Company: IMCR
Filing Date: 2025-05-07
Form Type: S-8
Source: 0001140361-25-017720
Chunk: 1

Company: Immunocore Holdings plc
Filing Date: 2025-05-07
Form: S-8
Chunk 1
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 |   |     | Emerging growth company   |     | ☐ |

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of the Securities Act. ☐ REGISTRATION OF ADDITIONAL SHARES PURSUANT TO GENERAL INSTRUCTION E Pursuant to General Instruction E to Form S-8, Immunocore Holdings plc (the “ Registrant ”) is filing this Registration Statement on Form S-8 with the Securities and Exchange Commission (the “ Commission ”) to register 2,466,523 additional ordinary shares, nominal value £0.002 per share (the “ Ordinary Shares ”), of the Registrant under the Immunocore Holdings plc 2021 Equity Incentive Plan, with Non-Employee Sub Plan (the “ 2021 Plan ”), pursuant to the provisions of the 2021 Plan providing for an automatic increase in the number of Ordinary Shares reserved and available for issuance under the 2021 Plan on January 1, 2025. In accordance with the instructional note to Part I of Form S-8 as promulgated by the Commission, the information specified by Part I of the Form S-8 has been omitted from this Registration Statement. PART II INFORMATION REQUIRED IN THE REGISTRATION STATEMENT

| ITEM 3. | INCORPORATION OF DOCUMENTS BY REFERENCE |

The following documents filed by the Registrant with the Commission are incorporated by reference into this Registration Statement: (a) The Registrant’s Registration Statements on Form S-8, filed with the Commission on April 12, 2021(File No. 333-255182), May 17, 2022(File No. 333-265000), April 6, 2023(File No. 333-271164), and March 21, 2024(File No. 333-278121); (b) The Registrant’s Annual Report on Form 10-Kfor the fiscal year ended December 31, 2024, filed with the Commission on February 26, 2025; (c) The Registrant’s Quarterly Report on Form 10-Qfor the quarterly period ended March 31, 2025, filed with the Commission on May 7, 2025; (d) The Registrant’s Definitive Proxy Statement on Schedule 14A, filed with the Commission on April 4,