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~~

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of ~~June~~July 2025

Commission File Number: 001-36427

CHEETAH MOBILE INC.

Building No. 11

Wandong Science and Technology Cultural Innovation Park

No.7 Sanjianfangnanli, Chaoyang District

Beijing 100024

People’s Republic of China

(Address of principal executive office)

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  ☐

~~SIGNATURE~~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.

CHEETAH MOBILE INC. By : /s/ Thomas Jintao Ren Name : Thomas Jintao Ren Title : Chief Financial Officer

Date: ~~June~~July 2028, 2025

Exhibit Index

Exhibit 99.1 — Cheetah Mobile ~~Announces~~to ~~First~~Acquire ~~Quarter~~Controlling ~~2025~~Stake ~~Unaudited~~in ~~Consolidated~~UFACTORY ~~Financial~~to ~~Results~~Accelerate Its Robotics Commercialization Strategy

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