# EDGAR Filing Document

**Accession Number:** 0000928876
**File Stem:** 0001178913-26-002163
**Filing Date:** 2026-4
**Character Count:** 4995
**Document Hash:** dddb81598198b78b06bcf0c5a6030aa4
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001178913-26-002163.hdr.sgml**: 20260420

**ACCESSION NUMBER**: 0001178913-26-002163

**CONFORMED SUBMISSION TYPE**: 6-K

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20260420

**FILED AS OF DATE**: 20260420

**DATE AS OF CHANGE**: 20260420

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** TOWER SEMICONDUCTOR LTD
- **CENTRAL INDEX KEY:** 0000928876
- **STANDARD INDUSTRIAL CLASSIFICATION:** SEMICONDUCTORS & RELATED DEVICES [3674]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 000000000
- **STATE OF INCORPORATION:** L3
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 6-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 000-24790
- **FILM NUMBER:** 26873244

**BUSINESS ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** RAMAT GAVRIEL INDUSTRIAL PARK
- **STREET 2:** PO BOX 619
- **CITY:** MIGDAL HAEMEK
- **PROVINCE COUNTRY:** L3
- **ZIP:** 2310502
- **BUSINESS PHONE:** 972522478856

**MAIL ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** RAMAT GAVRIEL INDUSTRIAL PARK
- **STREET 2:** PO BOX 619
- **CITY:** MIGDAL HAEMEK
- **PROVINCE COUNTRY:** L3
- **ZIP:** 2310502

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### 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

#### OF THE SECURITIES EXCHANGE ACT OF 1934
For the month of April 2026 No.1

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 ☒&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Form 40-F ☐

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#### <br>

#### On April 20, 2026, the Registrant Announces

#### First Quarter 2026 Financial Results and Conference Call

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#### <br>

#### 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.

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| | | |
|:---|:---|:---|
|  | **TOWER SEMICONDUCTOR LTD.** | **TOWER SEMICONDUCTOR LTD.** |
| Date: April 20, 2026 <br>| By:  | /s/ Nati Somekh |
|  |  | Name: Nati Somekh |
|  |  | Title: Corporate Secretary |

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<br> ![](image0.jpg)

#### Tower Semiconductor Announces First Quarter 2026 Financial Results and Conference Call
**MIGDAL HAEMEK, Israel – April 20, 2026** – <u>Tower Semiconductor</u> (NASDAQ/ TASE: TSEM), the leading foundry of high value analog semiconductor solutions, will issue its first quarter 2026 earnings release on Wednesday, May 13, 2026. The Company will hold a conference call to discuss its first quarter 2026 financial results and second quarter 2026 guidance on Wednesday, May 13, 2026, at 10:00 a.m. Eastern Time (09:00 a.m. Central, 08:00 a.m. Mountain, 07:00 a.m. Pacific and 05:00 p.m. Israel time).

The call will be webcast and available through the Investor Relations section of Tower Semiconductor's website at <u>https://ir.towersemi.com/</u>, where the pre-registration form required for dial-in participation is also accessible. Upon completing the registration, participants will receive the dial-in details, a unique PIN, and a confirmation email with all necessary information. The teleconference will be available for replay for 90 days.

#### About Tower Semiconductor
Tower Semiconductor Ltd. (NASDAQ/TASE: TSEM), the leading foundry of high-value analog semiconductor solutions, provides technology, development, and process platforms for its customers in growing markets such as consumer, industrial, automotive, mobile, infrastructure, medical and aerospace and defense. Tower Semiconductor focuses on creating a positive and sustainable impact on the world through long-term partnerships and its advanced and innovative analog technology offering, comprised of a broad range of customizable process platforms such as SiGe, BiCMOS, mixed-signal/CMOS, RF CMOS, CMOS image sensor, non-imaging sensors, displays, integrated power management (BCD and 700V), photonics, and MEMS. Tower Semiconductor also provides world-class design enablement for a quick and accurate design cycle as well as process transfer services including development, transfer, and optimization, to IDMs and fabless companies. To provide multi-fab sourcing and extended capacity for its customers, Tower Semiconductor owns one operating facility in Israel (200mm), two in the U.S. (200mm), two in Japan (200mm and 300mm) which it owns through its 51% holdings in TPSCo and shares a 300mm facility in Agrate, Italy with STMicroelectronics. For more information, please visit: <u>www.towersemi.com</u>.

###

#### Contact Information:
Liat Avraham

Investor Relations

<u>liatavra@towersemi.com</u> \| +972 4 650 6154 <br>

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