6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549

Form 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of May 2026

Commission File Number: 1-15200

Equinor ASA (Translation of registrant's name into English)

FORUSBEEN 50, N-4035, STAVANGER, NORWAY (Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F. Form 20-F [ X ]      Form 40-F [   ]

This Report on Form 6-K contains a press release issued by Equinor ASA on May 27, 2026, entitled “Equinor ASA: Share buy-back – second tranche for 2026”.

Equinor ASA: Share buy-back – second tranche for 2026

Please see below information about transactions made under the second tranche of the 2026 share buy-backprogramme for Equinor ASA (OSE:EQNR, NYSE:EQNR, CEUX:EQNRO, TQEX:EQNRO).

Date on which the buy-back tranche was announced: 6 May 2026.

The duration of the buy-back tranche: 19 May to no later than 20 July 2026.

Further information on the tranche can be found in the stock market announcement on its commencement dated 6 May 2026, available here: https://newsweb.oslobors.no/message/672447

From 19 May to 22 May 2026, Equinor ASA has purchased a total of 312,060 own shares at an average price of NOK 369.0578 per share.

Overview of transactions:

Following completion of the above transactions, Equinor ASA owns a total of 65,387,023 own shares, corresponding to 2.56% of Equinor ASA’s share capital, including shares under Equinor’s share savings programme (excluding shares under Equinor’s share savings programme, Equinor owns a total of 55,111,356 own shares, corresponding to 2.16% of the share capital).

This is information that Equinor ASA is obliged to make public pursuant to the EU Market Abuse Regulationand that is subject to the disclosure requirements pursuant to Section 5-12 of the Norwegian Securities Trading Act.

Appendix: A overview of all transactions made under the buy-back tranche that have been carried out during the above-mentioned time period is attached to this report and available at www.newsweb.no.

Contact details:

Investor relations Bård Glad Pedersen, senior vice president Investor Relations, +47 918 01 791

Media Sissel Rinde, vice president Media Relations, +47 412 60 584

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.