STG SEC Filings: 8-K, 10-Q, S-3 & 424B

Financials

TYPE

HEADLINE

FILED AT

20-F

Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]

Apr 24, 2026

20-F

Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]

Apr 25, 2025

20-F

Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]

Apr 25, 2024

20-F

Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]

Apr 25, 2023

20-F

Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]

Apr 27, 2022

20-F

Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]

Apr 16, 2021

News

TYPE

HEADLINE

FILED AT

6-K

Sunlands Technology Group Announces Unaudited Second Quarter 2026 Financial Results

Aug 20, 2026

6-K

Sunlands Technology Group Announces $50 Million Share Repurchase Program

May 29, 2026

6-K

Sunlands Technology Group Announces Unaudited First Quarter 2026 Financial Results

May 26, 2026

6-K

Sunlands Technology Group Files Annual Report on Form 20-F for Fiscal Year 2025

Apr 24, 2026

6-K

Sunlands Technology Group Reports Fourth Quarter and Full Year 2025 Financial Results

Mar 19, 2026

6-K

Sunlands Technology Group Reports Unaudited Third Quarter 2025 Financial Results

Nov 20, 2025

Prospectus

TYPE

HEADLINE

FILED AT

424B4

OFFERING | Shares amount: 13,000,000 | Share price: $11.50 | Offering amount: $149,500,000.00

Mar 23, 2018

Registrations

TYPE

HEADLINE

FILED AT

S-8

Form S-8 - Securities to be offered to employees in employee benefit plans

May 11, 2018

F-1/A

Form F-1/A - Registration statement for certain foreign private issuers: [Amend]

Mar 20, 2018

8-A12B

Form 8-A12B - Registration of securities [Section 12(b)]

Mar 15, 2018

F-1/A

Form F-1/A - Registration statement for certain foreign private issuers: [Amend]

Mar 14, 2018

F-1/A

Form F-1/A - Registration statement for certain foreign private issuers: [Amend]

Mar 7, 2018

F-1

Form F-1 - Registration statement for certain foreign private issuers

Feb 23, 2018

Proxies

TYPE

HEADLINE

FILED AT

Ownerships

TYPE

HEADLINE

FILED AT

SCHEDULE 13G/A

AREO HOLDINGS LTD (Filed by)

Oct 28, 2026

Peng Ou (Reporting)

Apr 2, 2026

Tongbo Liu (Reporting)

Apr 1, 2026

HANGYU LI (Reporting)

Apr 1, 2026

JING GAO (Reporting)

Apr 1, 2026

SCHEDULE 13G/A

AREO HOLDINGS LTD (Filed by)

Jan 15, 2025

Other

TYPE

HEADLINE

FILED AT

LETTER

Form UPLOAD - SEC-generated letter

Jul 14, 2023

CORRESP

Form CORRESP - Correspondence

Jun 27, 2023

CORRESP

Form CORRESP - Correspondence

Jun 20, 2023

LETTER

Form UPLOAD - SEC-generated letter

May 23, 2023

CORRESP

Form CORRESP - Correspondence

Apr 4, 2023

CORRESP

Form CORRESP - Correspondence

Mar 22, 2023

Sunlands Technology Group STG · SEC Filings