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 April 2026

Commission File Number: 001-36397

Weibo Corporation

(Registrant’s Name)

8/F, QIHAO Plaza, No. 8 Xinyuan S. Road

Chaoyang District, Beijing 100027

People’s Republic of China

(Address of Principal Executive Offices)

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 x Form 40-F ¨

Exhibit Index

Exhibit 99.1 — Press Release

Exhibit 99.2 — Notice of Annual General Meeting

Exhibit 99.3 — Proxy Card for Annual General Meeting

Exhibit 99.4 — Voting Card for ADS Holder

Exhibit 99.5 — Announcement — Record Date

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.

	WEIBO CORPORATION

Date: April 13, 2026	By:	/s/ Fei Cao
		Fei Cao
		Chief Financial Officer

WEIBO Corp 6-K