Sunlands Technology Group (NYSE: STG) files 2025 Form 20-F annual report

Rhea-AI Filing Summary

Sunlands Technology Group filed its annual report on Form 20-F for the fiscal year ended December 31, 2025 with the SEC. The report is available on both the company’s investor relations website and the SEC’s website. Shareholders and ADS holders can request a free hard copy of the annual report, including audited consolidated financial statements.

The company describes itself as a leader in China’s adult online education and personal interest learning markets, offering degree and diploma courses, professional certifications, and skills and interest classes through a one-to-many live streaming platform accessible via PC and mobile apps.

Key Figures

Fiscal year end: December 31, 2025 Form type: Form 20-F Filing date: April 24, 2026

3 metrics

Fiscal year end December 31, 2025 Fiscal year covered by Form 20-F

Form type Form 20-F Annual report filed with the SEC

Filing date April 24, 2026 Date Form 20-F was filed with the SEC

Key Terms

Form 20-F, adult online education market, adult personal interest learning market, Learning Outcome Trees, +1 more

5 terms

Form 20-F regulatory

"announced that it has filed its annual report on Form 20-F for the fiscal year ended December 31, 2025"

Form 20-F is the standardized annual disclosure that non-U.S. companies must file with the U.S. securities regulator when their shares are traded in the U.S.; it contains audited financial statements, a plain-language description of the business, management discussion, governance details and key risk factors. It matters to investors because it provides a consistent, comparable company “report card” and rulebook, helping buyers assess financial health, governance and risks before investing.

adult online education market financial

"a leader in China’s adult online education market and China’s adult personal interest learning market"

adult personal interest learning market financial

"a leader in China’s adult online education market and China’s adult personal interest learning market"

Learning Outcome Trees technical

"organizes subject content into Learning Outcome Trees, the Company’s proprietary knowledge management system"

audited consolidated financial statements financial

"provide a hard copy of the annual report containing the audited consolidated financial statements, free of charge"

A set of financial reports that combine a parent company and all its subsidiaries into one overall picture, examined and verified by an independent auditor. Think of it as a household budget that merges every family member’s accounts and is then checked by a neutral accountant; it gives investors a single, trustworthy view of the group’s assets, debts, income and cash flow. That independent check matters because it reduces the chance of hidden problems and helps investors compare companies on a level playing field.

Form 6-K: How Foreign Companies Report to the SEC →

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN ISSUER
PURSUANT TO RULE 13a-16 OR 15d-16 OF
THE SECURITIES EXCHANGE ACT OF 1934

For the month of April 2026

Commission file number: 001-38423

SUNLANDS TECHNOLOGY GROUP

(Exact Name of Registrant as Specified in Its Charter)

Building 6, Chaolai Science Park, No. 36

Chuangyuan Road, Chaoyang District

Beijing, 100012, the People’s Republic of China

+86-10-52413738

(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  ☒       Form 40-F  ☐

EXHIBIT INDEX

Exhibit No.		Description
99.1		Press Release

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.

			Sunlands Technology Group
Date:	April 24, 2026		By:	/s/ Tongbo Liu
				Name:	Tongbo Liu
				Title:	Chief Executive Officer

Exhibit 99.1

Sunlands Technology Group Files its Annual Report on Form 20-F

BEIJING, April 24, 2026 -- Sunlands Technology Group (NYSE: STG) (“Sunlands” or the “Company”), a leader in China’s adult online education market and China’s adult personal interest learning market, today announced that it has filed its annual report on Form 20-F for the fiscal year ended December 31, 2025 with the U.S. Securities and Exchange Commission (the “SEC”) on April 24, 2026, U.S. Eastern Time.

The annual report can be accessed on the Company’s investor relations website at https://ir.sunlands.com and on the SEC’s website at www.sec.gov. The Company will provide a hard copy of the annual report containing the audited consolidated financial statements, free of charge, to its shareholders and ADS holders upon request. Requests should be directed to sl-ir@sunlands.com.

About Sunlands

Sunlands Technology Group (NYSE: STG) (“Sunlands” or the “Company”), formerly known as Sunlands Online Education Group, is a leader in China’s adult online education market and China’s adult personal interest learning market. With a one to many live streaming platform, Sunlands offers various degree- or diploma-oriented post-secondary courses as well as professional certification preparation, professional skills and interest courses. Students can access the Company’s services either through PC or mobile applications. The Company’s online platform cultivates a personalized, interactive learning environment by featuring a virtual learning community and a vast library of educational content offerings that adapt to the learning habits of its students. Sunlands offers a unique approach to education research and development that organizes subject content into Learning Outcome Trees, the Company’s proprietary knowledge management system. Sunlands has a deep understanding of the educational needs of its prospective students and offers solutions that help them achieve their goals.

For more information, please visit https://ir.sunlands.com.

For investor and media inquiries, please contact:

Sunlands Technology Group

Investor Relations

Email: sl-ir@sunlands.com

SOURCE: Sunlands Technology Group

FAQ

What did Sunlands Technology Group (STG) announce in this Form 6-K?

Sunlands Technology Group announced it has filed its annual report on Form 20-F for the fiscal year ended December 31, 2025 with the SEC. The filing formalizes its yearly financial and operational disclosure to U.S. investors and regulators.

Where can investors access Sunlands Technology Group’s 2025 Form 20-F?

Investors can access Sunlands Technology Group’s 2025 Form 20-F on the company’s investor relations website at https://ir.sunlands.com and on the SEC’s website at www.sec.gov. Both sources provide the full annual report and related disclosures.

How can STG shareholders request a hard copy of the 2025 annual report?

Shareholders and ADS holders can request a hard copy of Sunlands Technology Group’s 2025 annual report, including audited consolidated financial statements, free of charge. Requests should be directed by email to the company’s investor relations contact at sl-ir@sunlands.com.

What markets does Sunlands Technology Group focus on?

Sunlands Technology Group focuses on China’s adult online education market and China’s adult personal interest learning market. It offers degree and diploma courses, professional certification preparation, professional skills training, and interest-based classes via live streaming and digital platforms.

What learning solutions does Sunlands Technology Group provide to adult students?

Sunlands provides degree- or diploma-oriented post-secondary courses, professional certification preparation, professional skills training, and personal interest courses. Its platform uses a virtual learning community, extensive educational content, and proprietary Learning Outcome Trees to support personalized, interactive learning for adult students.

How do students access Sunlands Technology Group’s online education platform?

Students access Sunlands Technology Group’s one-to-many live streaming platform through PC or mobile applications. The platform features a virtual learning community and adaptive content offerings tailored to student learning habits, supporting flexible adult education and personal interest learning experiences.

Filing Exhibits & Attachments

1 document

Press Releases

• EX-99.1 EXHIBIT 99.1 7.9 KB