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

Rhea-AI Filing Summary

SAIHEAT Limited reported that it has secured a patent titled “Waste Heat Recovery System and Method.” This patent relates to recovering waste heat from chip cooling processes, an area the company describes as part of its waste heat recovery and green development efforts. The move is framed as supporting both environmentally focused operations and an upgrade of the company’s research and development through technological innovation.

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 November, 2025

Commission File Number: 001-40368

SAIHEAT Limited

(Exact name of registrant as specified in its charter)

c/o #266A South Bridge Road, #02-01 Singapore (058815)

(Address of principal executive office)

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

Form 20-F  ☒      Form 40-F  ☐

EXHIBIT INDEX

Exhibit No.		Description
99.1		SAIHEAT LIMITED Secures Patent for “Waste Heat Recovery System and Method”, Deepening in Chip Cooling Waste Heat Recovery Field and Empowering Green Development and R&D Upgrade with Technological Innovation

1

SIGNATURE

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.

	SAIHEAT LIMITED
Date: November 17, 2025	By:	/s/ Jianwei Li
	Name:	Jianwei Li
	Title:	Chief Executive Officer

2

FAQ

What did SAIHEAT Limited (SAIH) announce in its November 2025 Form 6-K?

SAIHEAT Limited announced that it has secured a patent titled “Waste Heat Recovery System and Method,” related to chip cooling waste heat recovery and green development.

What is the focus of SAIHEAT Limited’s new patent?

The patent focuses on a “Waste Heat Recovery System and Method” aimed at recovering waste heat in the chip cooling field.

How does this patent relate to SAIHEAT Limited’s green development goals?

The patent is described as deepening the company’s role in chip cooling waste heat recovery and empowering its green development efforts through technological innovation.

How is SAIHEAT Limited linking this patent to its R&D strategy?

The company presents the patent as helping to empower an upgrade of its research and development activities through technological innovation.

When was the SAIHEAT Limited Form 6-K regarding the patent signed?

The Form 6-K was signed on November 17, 2025 by Chief Executive Officer Jianwei Li.

Who signed SAIHEAT Limited’s November 2025 Form 6-K?

The report was signed by Jianwei Li, the Chief Executive Officer of SAIHEAT Limited.