# EDGAR Filing Document

**Accession Number:** 0001723935
**File Stem:** 0000950103-26-006130
**Filing Date:** 2026-4
**Character Count:** 4926
**Document Hash:** dc9976c7e66efd52965a231f5d1692e6
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000950103-26-006130.hdr.sgml**: 20260424

**ACCESSION NUMBER**: 0000950103-26-006130

**CONFORMED SUBMISSION TYPE**: 6-K

**PUBLIC DOCUMENT COUNT**: 3

**CONFORMED PERIOD OF REPORT**: 20260424

**FILED AS OF DATE**: 20260424

**DATE AS OF CHANGE**: 20260424

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Sunlands Technology Group
- **CENTRAL INDEX KEY:** 0001723935
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-EDUCATIONAL SERVICES [8200]
- **ORGANIZATION NAME:** 07 Trade & Services
- **EIN:** 000000000
- **STATE OF INCORPORATION:** E9
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 6-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-38423
- **FILM NUMBER:** 26890775

**BUSINESS ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** BUILDING 4-6, CHAOLAI SCIENCE PARK
- **STREET 2:** NO. 36 CHUANGYUAN RD, CHAOYANG DISTRICT
- **CITY:** BEIJING
- **PROVINCE COUNTRY:** F4
- **BUSINESS PHONE:** 86 10 52413738

**MAIL ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** BUILDING 4-6, CHAOLAI SCIENCE PARK
- **STREET 2:** NO. 36 CHUANGYUAN RD, CHAOYANG DISTRICT
- **CITY:** BEIJING
- **PROVINCE COUNTRY:** F4

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Sunlands Online Education Group
- **DATE OF NAME CHANGE:** 20171129

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

Washington, D.C. 20549

**FORM 6-K**

**REPORT OF FOREIGN ISSUER<br> PURSUANT TO RULE 13a-16 OR 15d-16 OF<br> 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**

****<br> (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**

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

---

## Exhibit 99.1

**Exhibit 99.1**

![Picture 4](image_001.jpg)

**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 <u>https://ir.sunlands.com.</u>

**For investor and media inquiries, please contact:** 

Sunlands Technology Group

Investor Relations

Email: sl-ir@sunlands.com

SOURCE: Sunlands Technology Group