Company: TSEM
Filing Date: 2025-03-10
Form Type: 6-K
Source: 0001178913-25-000746
Chunk: 0

Company: TOWER SEMICONDUCTOR LTD
Filing Date: 2025-03-10
Form: 6-K
Chunk 0
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#### FORM 6-K

### SECURITIES AND EXCHANGE COMMISSION
<div align='center'>W ashington, D.C. 20549

F or the month March 2025
      No. 2</div>

#### TOWER SEMICONDUCTOR LTD.
<div align='center'>(Translation of registrant's name into English)</div>

#### Ramat Gavriel Industrial Park

#### P.O. Box 619, Migdal Haemek, Israel 2310502
<div align='center'>(Address of principal executive offices)</div>

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

<div align='center'>Form 20-F ☒ Form 40-F ☐</div>

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby
      furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

<div align='center'>**Yes ☐ No ☒

On March 10, 2025, the Registrant and Innolight Announce

Expansion of their Collaboration and Ramp Volume of Next-

Generation SiPho Solutions for AI and Data Centers**</div>

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: March 10, 2025 | TOWER SEMICONDUCTOR LTD. 
 By:                      | /s/ Nati Somekh            |
|:---------------------|:-------------------------|:---------------------------|
|                      |                          | Name: Nati Somekh          |
|                      |                          | Title: Corporate Secretary |

Tower Semiconductor and Innolight Expand their Collaboration and Ramp Volume of Next-Generation SiPho Solutions for AI and Data Centers New Technology Halves Laser Requirements for Streamlined, High-Volume Optical Module Production to Meet Growing AI And Data Centers Market Demands MIGDAL HAEMEK, Israel, March 10, 2025– Tower Semiconductor (NASDAQ/TASE: TSEM), a leading foundry of high-value analog semiconductor solutions, and Innolight, a global leader in high-speed optical transceivers, today announced their expanded collaboration utilizing Tower’s newest Silicon Photonics (SiPho) platform, now in production and ramp