[6-K] Tower Semiconductor Ltd Current Report (Foreign Issuer)

Rhea-AI Filing Summary

Tower Semiconductor Ltd. announced the launch of its 2025 Technical Global Symposium (TGS) series to showcase its latest technologies and design enablement services. The company will hold symposiums on September 16, 2025 in Shanghai and November 18, 2025 in Santa Clara, California, featuring a keynote by CEO Russell Ellwanger and sessions on AI, high-speed connectivity, and other advancing domains.

The events highlight Tower's technology platforms including Silicon Photonics, SiGe, RF SOI, power management, image sensors, and advanced display technologies, plus guest sessions from global technology leaders and networking with Tower experts. Registration for the China event is open and additional details are on the event page.

Insights

Technology Analyst

TL;DR: This is a product-and-technology showcase with scheduled events in Shanghai and Santa Clara to present Tower's analog and photonics platforms.

The filing contains a corporate press announcement of Tower's 2025 Technical Global Symposium series with concrete dates and locations and a CEO keynote. It explicitly lists core technology areas—Silicon Photonics, SiGe, RF SOI, power management, image sensors, and displays—and notes design enablement and guest sessions from industry leaders. For investors, the release signals a marketing and customer-engagement effort to promote Tower's process platforms and multi-fab sourcing positions stated in the release.

Investor Relations Analyst

TL;DR: A routine investor-facing event announcement aimed at showcasing capabilities and facilitating customer engagements.

The document is a Form 6-K filing of a press release announcing TGS 2025 with registration open for the China event. It names the CEO as keynote speaker and details topics and networking opportunities. The release reiterates Tower's production footprint including owned 200mm and 300mm facilities via TPSCo, a shared 300mm facility in Agrate with STMicroelectronics, and access to a 300mm corridor at Intel's New Mexico factory, which the company cites to emphasize multi-fab sourcing and capacity.

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 August 2025 No.4

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 August 13, 2025, the Registrant Launches 2025 Technical Global Symposium Series

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.

 Date: August 13, 2025 TOWER SEMICONDUCTOR LTD.
By: /s/ Nati Somekh Name: Nati Somekh Title:  Corporate Secretary

          

Tower Semiconductor Launches 2025 Technical Global Symposium Series

Premier events in Shanghai and Santa Clara will showcase Tower’s latest technologies and

expertise, with sessions by senior leaders and engineers, allowing networking with peers and

Tower experts

MIGDAL HAEMEK, Israel, August 13, 2025 - Tower Semiconductor (NASDAQ/TASE: TSEM), a leading foundry of high-value analog semiconductor solutions, today announced the launch of its 2025 Technical Global Symposium (TGS) – the company’s flagship annual technology and innovation event series. This year’s symposiums will be held September 16, 2025, in Shanghai, China and November 18, 2025, in Santa Clara, California.

Events will explore key market megatrends in AI, high-speed connectivity, and other rapidly advancing domains, highlighting Tower’s capabilities and technology platforms that enable customers to deliver high-performance connectivity, power-efficient architectures, and advanced imaging solutions. Attendees will gain insight into how Tower’s technologies and design enablement services can accelerate development, strengthen product differentiation, and create measurable market value.

Highlights of the events include:

• Keynote by Russell Ellwanger, CEO of Tower Semiconductor, sharing the company’s vision for the future and its commitment to driving growth in close partnership with customers.

• Expert-led technical deep dives into Tower’s industry-leading solutions in Silicon Photonics, SiGe, RF SOI, power management, image sensors, and advanced display technologies – along with its comprehensive design enablement ecosystem.

• Exclusive guest sessions from global technology leaders, providing inside perspectives on breakthroughs in AI innovation and optical communications.

• High-value networking opportunities with Tower’s senior executives, domain experts, and industry peers – enabling collaborations that drive the next wave of semiconductor innovation.

Registration for TGS China event is now open: click here to register
For additional information, agenda, and registration, please visit the event page here.

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, shares a 300mm facility in Agrate, Italy with STMicroelectronics as well as has access to a 300mm capacity corridor in Intel’s New Mexico factory. For more information, please visit: www.towersemi.com.

Safe Harbor Regarding Forward-Looking Statements

This press release includes forward-looking statements, which are subject to risks and uncertainties. Actual results may vary from those projected or implied by such forward-looking statements. A complete discussion of risks and uncertainties that may affect the accuracy of forward-looking statements included in this press release or which may otherwise affect Tower’s business is included under the heading “Risk Factors” in Tower’s most recent filings on Forms 20-F, F-3, F-4 and 6-K, as were filed with the Securities and Exchange Commission (the “SEC”) and the Israel Securities Authority. Tower does not intend to update, and expressly disclaim any obligation to update, the information contained in this release. 

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Tower Semiconductor Company Contact:  Orit Shahar | +972-74-7377440 | oritsha@towersemi.com

Tower Semiconductor Investor Relations Contact:  Liat Avraham | +972-4-6506154 | liatavra@towersemi.com

FAQ

When and where is Tower Semiconductor's (TSEM) 2025 Technical Global Symposium?

The press release states events on September 16, 2025 in Shanghai and November 18, 2025 in Santa Clara, California.

Who is delivering the keynote at TSEM's 2025 TGS?

The keynote will be delivered by Russell Ellwanger, CEO of Tower Semiconductor.

What technology topics will Tower cover at the TGS 2025 events?

The company lists sessions on AI, high-speed connectivity, Silicon Photonics, SiGe, RF SOI, power management, image sensors, and advanced display technologies.

Is registration open for any TGS 2025 event?

Yes. The filing says registration for the China (Shanghai) event is now open and provides an event page link for additional information and agenda.

What production footprint does Tower Semiconductor describe in the release?

The release states Tower owns one 200mm facility in Israel, two 200mm U.S. facilities, two facilities in Japan (200mm and 300mm via 51% TPSCo), shares a 300mm facility in Agrate with STMicroelectronics, and has access to a 300mm capacity corridor at Intel's New Mexico factory.