Form 8-K

8-K — Immunocore Holdings plc

Accession: 0001140361-26-022984

Filed: 2026-05-27

Period: 2026-05-27

CIK: 0001671927

SIC: 2836 (BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES))

Item: Submission of Matters to a Vote of Security Holders

Documents

8-K — ef20075013_form8k.htm (Primary)

XML — IDEA: XBRL DOCUMENT (R1.htm)

8-K

8-K (Primary)

Filename: ef20075013_form8k.htm · Sequence: 1

false0001671927X000-0000000Ordinary share, nominal value 0.002 per share*American Depositary Shares, each representing one ordinary share, nominal value 0.002 per shareNASDAQNASDAQ00016719272026-05-272026-05-270001671927imcr:OrdinaryShareNominalValue0002PerShareMember2026-05-272026-05-270001671927us-gaap:CommonStockMember2026-05-272026-05-27

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): May 27, 2026

Immunocore Holdings plc

(Exact name of registrant as specified in its Charter)

England and Wales

001-39992

Not Applicable

(State or other jurisdiction of incorporation)

(Commission File Number)

(IRS Employer Identification No.)

92 Park Drive,

Milton Park Abingdon,

Oxfordshire,

United Kingdom

OX14 4RY

(Address of principal executive offices)

(Zip Code)

+44 1235 438600

(Registrant’s telephone number, including area code)

Not Applicable

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the

following provisions:

☐

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐

Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐

Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐

Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading

Symbol(s)

Name of each exchange on which registered

American Depositary Shares, each representing one ordinary share, nominal value £0.002 per share

IMCR

The Nasdaq Stock Market LLC

Ordinary share, nominal value £0.002 per share*

The Nasdaq Stock Market LLC

* Not for trading, but only in connection with the listing of the

American Depositary Shares on The Nasdaq Stock Market LLC.

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this

chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

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 13(a) of the Exchange Act. ☐

Item 5.07.

Submission of Matters to a Vote of Security Holders.

On May 27, 2026, Immunocore Holdings plc (the “Company”) held its 2026 Annual General Meeting of Shareholders (the “AGM”). The

shareholders considered the ten resolutions set forth below, each of which were voted on and duly passed on a poll at the AGM. Each resolution is described in more detail in the Company’s definitive proxy statement filed with the Securities and

Exchange Commission on April 16, 2026 (the “Proxy Statement”). Set forth below are the results, including the number of votes cast for, against and abstentions, with respect to each of the resolutions submitted for a vote of the shareholders at the

AGM. An abstention is not a vote in law and is not counted in the calculation of the proportion of the votes for or against a particular resolution.

Ordinary Resolutions

Resolution 1: To re-appoint as a director of

the Company Siddharth Kaul. The votes were cast as follows:

For

Against

Abstain

38,033,664

261,819

8,357

Resolution 2: To re-appoint as a director of

the Company William Pao, M.D., Ph.D. The votes were cast as follows:

For

Against

Abstain

38,040,755

254,852

8,233

Resolution 3: To re-appoint as a director of

the Company Kristine Peterson. The votes were cast as follows:

For

Against

Abstain

29,537,800

8,744,383

21,657

Resolution 4: To approve, on an advisory

basis, the compensation of the Company’s named executive officers, as disclosed in the Proxy Statement. The votes were cast as follows:

For

Against

Abstain

29,682,169

8,600,029

21,642

Resolution 5: To ratify the appointment of

Deloitte LLP, a limited liability partnership organized under the laws of England, as the Company’s U.S. independent registered public accounting firm for the year ending December 31, 2026. The votes were cast as follows:

For

Against

Abstain

38,294,666

984

8,190

Resolution 6: To re-appoint Deloitte LLP, a

limited liability partnership organized under the laws of England, as the Company’s U.K. statutory auditors, to hold office until the conclusion of the next annual general meeting of shareholders. The votes were cast as follows:

For

Against

Abstain

38,294,523

966

8,351

Resolution 7: To authorize the audit committee

to determine the U.K. statutory auditors’ remuneration for the year ending December 31, 2026. The votes were cast as follows:

For

Against

Abstain

38,293,269

2,481

8,090

Resolution 8: To receive and adopt the U.K.

statutory annual accounts and reports for the year ended December 31, 2025 (the “2025 U.K. Annual Report”). The votes were cast as follows:

For

Against

Abstain

38,287,987

944

14,909

Resolution 9: To approve the directors’

remuneration report for the year ended December 31, 2025, which is set forth as Annex A to the Proxy Statement and on pages 26 to 56 of the 2025 U.K. Annual Report (excluding the directors’ remuneration policy set out on pages A-5 to A-15 of Annex

A to the Proxy Statement). The votes were cast as follows:

For

Against

Abstain

29,504,692

8,713,573

85,575

Resolution 10: To authorize the Company to

make political donations/incur political expenditure. The votes were cast as follows:

For

Against

Abstain

38,213,340

82,113

8,387

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by

the undersigned hereunto duly authorized.

IMMUNOCORE HOLDINGS PLC

Dated: May 27, 2026

By:

/s/ Bahija Jallal, Ph.D.

Name:

Bahija Jallal, Ph.D.

Title:

Chief Executive Officer

XML — IDEA: XBRL DOCUMENT

XML

Filename: R1.htm · Sequence: 7

v3.26.1

Document and Entity Information

May 27, 2026

Entity Listings [Line Items]

Document Type

8-K

Amendment Flag

false

Document Period End Date

May 27, 2026

Entity File Number

001-39992

Entity Registrant Name

Immunocore Holdings plc

Entity Central Index Key

0001671927

Entity Incorporation, State or Country Code

Entity Tax Identification Number

00-0000000

Entity Address, Address Line One

92 Park Drive

Entity Address, Address Line Two

Milton Park Abingdon

Entity Address, City or Town

Oxfordshire

Entity Address, Country

Entity Address, Postal Zip Code

OX14 4RY

City Area Code

Local Phone Number

1235 438600

Entity Emerging Growth Company

false

Written Communications

false

Soliciting Material

false

Pre-commencement Tender Offer

false

Pre-commencement Issuer Tender Offer

false

Common Stock [Member]

Entity Listings [Line Items]

Title of 12(b) Security

American Depositary Shares, each representing one ordinary share, nominal value 0.002 per share

Trading Symbol

IMCR

Security Exchange Name

NASDAQ

Ordinary share, nominal value 0.002 per share* [Member]

Entity Listings [Line Items]

Title of 12(b) Security

Ordinary share, nominal value 0.002 per share*

Trading Symbol

Security Exchange Name

NASDAQ

- Definition

Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.

+ References

No definition available.

+ Details

Name:

dei_AmendmentFlag

Namespace Prefix:

dei_

Data Type:

xbrli:booleanItemType

Balance Type:

Period Type:

duration

- Definition

Area code of city

+ References

No definition available.

+ Details

Name:

dei_CityAreaCode

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

Period Type:

duration

- Definition

For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD.

+ References

No definition available.

+ Details

Name:

dei_DocumentPeriodEndDate

Namespace Prefix:

dei_

Data Type:

xbrli:dateItemType

Balance Type:

Period Type:

duration

- Definition

The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.

+ References

No definition available.

+ Details

Name:

dei_DocumentType

Namespace Prefix:

dei_

Data Type:

dei:submissionTypeItemType

Balance Type:

Period Type:

duration

- Definition

Address Line 1 such as Attn, Building Name, Street Name

+ References

No definition available.

+ Details

Name:

dei_EntityAddressAddressLine1

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

Period Type:

duration

- Definition

Address Line 2 such as Street or Suite number

+ References

No definition available.

+ Details

Name:

dei_EntityAddressAddressLine2

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

Period Type:

duration

- Definition

Name of the City or Town

+ References

No definition available.

+ Details

Name:

dei_EntityAddressCityOrTown

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

Period Type:

duration

- Definition

ISO 3166-1 alpha-2 country code.

+ References

No definition available.

+ Details

Name:

dei_EntityAddressCountry

Namespace Prefix:

dei_

Data Type:

dei:countryCodeItemType

Balance Type:

Period Type:

duration

- Definition

Code for the postal or zip code

+ References

No definition available.

+ Details

Name:

dei_EntityAddressPostalZipCode

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

Period Type:

duration

- Definition

A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection b-2

+ Details

Name:

dei_EntityCentralIndexKey

Namespace Prefix:

dei_

Data Type:

dei:centralIndexKeyItemType

Balance Type:

Period Type:

duration

- Definition

Indicate if registrant meets the emerging growth company criteria.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection b-2

+ Details

Name:

dei_EntityEmergingGrowthCompany

Namespace Prefix:

dei_

Data Type:

xbrli:booleanItemType

Balance Type:

Period Type:

duration

- Definition

Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.

+ References

No definition available.

+ Details

Name:

dei_EntityFileNumber

Namespace Prefix:

dei_

Data Type:

dei:fileNumberItemType

Balance Type:

Period Type:

duration

- Definition

Two-character EDGAR code representing the state or country of incorporation.

+ References

No definition available.

+ Details

Name:

dei_EntityIncorporationStateCountryCode

Namespace Prefix:

dei_

Data Type:

dei:edgarStateCountryItemType

Balance Type:

Period Type:

duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:

dei_EntityListingsLineItems

Namespace Prefix:

dei_

Data Type:

xbrli:stringItemType

Balance Type:

Period Type:

duration

- Definition

The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection b-2

+ Details

Name:

dei_EntityRegistrantName

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

Period Type:

duration

- Definition

The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection b-2

+ Details

Name:

dei_EntityTaxIdentificationNumber

Namespace Prefix:

dei_

Data Type:

dei:employerIdItemType

Balance Type:

Period Type:

duration

- Definition

Local phone number for entity.

+ References

No definition available.

+ Details

Name:

dei_LocalPhoneNumber

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

Period Type:

duration

- Definition

Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 13e

-Subsection 4c

+ Details

Name:

dei_PreCommencementIssuerTenderOffer

Namespace Prefix:

dei_

Data Type:

xbrli:booleanItemType

Balance Type:

Period Type:

duration

- Definition

Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 14d

-Subsection 2b

+ Details

Name:

dei_PreCommencementTenderOffer

Namespace Prefix:

dei_

Data Type:

xbrli:booleanItemType

Balance Type:

Period Type:

duration

- Definition

Title of a 12(b) registered security.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection b

+ Details

Name:

dei_Security12bTitle

Namespace Prefix:

dei_

Data Type:

dei:securityTitleItemType

Balance Type:

Period Type:

duration

- Definition

Name of the Exchange on which a security is registered.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection d1-1

+ Details

Name:

dei_SecurityExchangeName

Namespace Prefix:

dei_

Data Type:

dei:edgarExchangeCodeItemType

Balance Type:

Period Type:

duration

- Definition

Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as soliciting material pursuant to Rule 14a-12 under the Exchange Act.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 14a

-Subsection 12

+ Details

Name:

dei_SolicitingMaterial

Namespace Prefix:

dei_

Data Type:

xbrli:booleanItemType

Balance Type:

Period Type:

duration

- Definition

Trading symbol of an instrument as listed on an exchange.

+ References

No definition available.

+ Details

Name:

dei_TradingSymbol

Namespace Prefix:

dei_

Data Type:

dei:tradingSymbolItemType

Balance Type:

Period Type:

duration

- Definition

Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Securities Act

-Number 230

-Section 425

+ Details

Name:

dei_WrittenCommunications

Namespace Prefix:

dei_

Data Type:

xbrli:booleanItemType

Balance Type:

Period Type:

duration

- Details

Name:

us-gaap_StatementClassOfStockAxis=us-gaap_CommonStockMember

Namespace Prefix:

Data Type:

Balance Type:

Period Type:

- Details

Name:

us-gaap_StatementClassOfStockAxis=imcr_OrdinaryShareNominalValue0002PerShareMember

Namespace Prefix:

Data Type:

Balance Type:

Period Type: