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 June 2026

Commission File Number

000-12033

LM ERICSSON TELEPHONE COMPANY

(Translation of registrant’s name into English)

Torshamnsgatan 21, Kista

SE-164 83, Stockholm, Sweden

(Address of principal executive offices)

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 [ ]

Announcement of LM Ericsson Telephone Company, June 29, 2026 regarding “Share buybacks in Ericsson during the period June 22 – June 26, 2026”

Exhibits

Exhibit 99.1 Announcement of LM Ericsson Telephone Company, June 29, 2026 regarding “Share buybacks in Ericsson during the period June 22 – June 26, 2026”

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.

TELEFONAKTIEBOLAGET LM ERICSSON (publ)

By: /s/ LARS SANDSTRÖM

Lars Sandström

Senior Vice President, Chief Financial Officer

Date: June 29, 2026

ERICSSON LM TELEPHONE CO 6-K