Tower Semiconductor Ltd. — Earnings Release 2026

Feb 11, 2026

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

W ashington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16

OF THE SECURITIES EXCHANGE ACT OF 1934

F or the month of February 2026 No.2

Commission File Number 0-24790

TOWER SEMICONDUCTOR LTD.

(Translation of registrant's name into English)

Ramat Gavriel Industrial Park

P.O. Box 619, Migdal Haemek, Israel 2310502

(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 ☒ Form 40-F ☐

On February 11, 2026, the Registrant announced its fourth quarter and full year 2025 results. Attached hereto is the following exhibit.

Exhibit 99.1 Press release dated February 11, 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.

TOWER SEMICONDUCTOR LTD. — By:
Name: Nati Somekh
Title: Corporate Secretary