# Sunlands Technology Group: overview STG · NYSE · CIK 1723935 · [Other](/sectors/other.md) · fiscal year ends Dec 31 Pages: [Overview](/companies/stg.md) · [Financials](/companies/stg/financials.md) · [Filings](/companies/stg/filings.md) · [Insiders](/companies/stg/insiders.md) Revenue is not reported in this company’s XBRL financial statements. ## Last eight quarters Not reported. ## Last five fiscal years | Line item | Unit | FY2021 (2021-12-31) | FY2022 (2022-12-31) | FY2023 (2023-12-31) | FY2024 (2024-12-31) | FY2025 (2025-12-31) | | --- | --- | ---: | ---: | ---: | ---: | ---: | | Revenue | $m | [394](/filings/0001564590-22-016148.md) | [337](/filings/0000950170-23-014218.md) | [304](/filings/0000950170-24-047906.md) | [273](/filings/0000950170-25-058319.md) | [289](/filings/0001193125-26-175368.md) | | Gross margin | % | [85.0%](/filings/0001564590-22-016148.md) | [85.0%](/filings/0000950170-23-014218.md) | [87.7%](/filings/0000950170-24-047906.md) | [84.0%](/filings/0000950170-25-058319.md) | [86.9%](/filings/0001193125-26-175368.md) | | Operating margin | % | [4.6%](/filings/0001564590-22-016148.md) | [26.6%](/filings/0000950170-23-014218.md) | [26.6%](/filings/0000950170-24-047906.md) | [15.0%](/filings/0000950170-25-058319.md) | [18.6%](/filings/0001193125-26-175368.md) | | Net margin | % | [8.7%](/filings/0001564590-22-016148.md) | [27.7%](/filings/0000950170-23-014218.md) | [29.7%](/filings/0000950170-24-047906.md) | [17.2%](/filings/0000950170-25-058319.md) | [18.1%](/filings/0001193125-26-175368.md) | | Diluted EPS | $ per share | [5.11](/filings/0001564590-22-016148.md) | [13.65](/filings/0000950170-23-014218.md) | [13.08](/filings/0000950170-24-047906.md) | [6.87](/filings/0000950170-25-058319.md) | [7.76](/filings/0001193125-26-175368.md) | | Free cash flow | $m | [(60.7)](/filings/0001564590-22-016148.md) | [0.9](/filings/0000950170-23-014218.md) | [19.0](/filings/0000950170-24-047906.md) | [26.8](/filings/0000950170-25-058319.md) | [21.0](/filings/0001193125-26-175368.md) | - Revenue. XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. - Gross margin (gross profit / revenue). XBRL Gross profit: us-gaap:GrossProfit; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. - Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. - Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. - Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareBasicAndDiluted; Diluted EPS: us-gaap:EarningsPerShareDiluted. - Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities; Capital expenditure: us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. Each value links to the filing it came from. d marks a derived value. A ratio is not reported when any input is missing. ## Insider purchases and sales The last 20 open-market transactions on Form 4 (codes P and S). Reported price is as stated on the form, not a market price. [All insider transactions](/companies/stg/insiders.md) None in coverage. ## Funds that report holding it From each manager’s latest Form 13F, largest reported value first. Reported value is as filed: filing data, not a price. [All funds](/funds.md) | Fund | Quarter ended | Reported value | Shares | Put or call | Change on the quarter before | | --- | --- | ---: | ---: | --- | --- | | [Primavera Capital Management Ltd](/funds/1686305.md) | 2026-06-30 | $6.5m | 1,652,778 | | New +1,652,778 | | [CITADEL ADVISORS LLC](/funds/1423053.md) | 2026-06-30 | $117.4k | 29,937 | | Added +16,775 | | [UBS Group AG](/funds/1610520.md) | 2026-06-30 | $4.1k | 1,052 | | Added +855 | | [MORGAN STANLEY](/funds/895421.md) | 2026-06-30 | $2.1k | 532 | | Reduced −324 | | [SBI Securities Co., Ltd.](/funds/1851815.md) | 2026-06-30 | $431 | 110 | | Unchanged | | [HRT FINANCIAL LP](/funds/1475597.md) | 2026-06-30 | $176 | 44,902 | | New +44,902 | | [RHUMBLINE ADVISERS](/funds/1115418.md) | 2026-06-30 | $160 | 41 | | Unchanged | ## Recent filings [All 143 filings](/companies/stg/filings.md) | Filed | Accepted | Form | What it is | Accession | | --- | --- | --- | --- | --- | | 2026-08-20 | 06:16 ET | [6-K](/filings/0000950103-26-012674.md) | Report of a foreign private issuer, period 2026-08-20 | 0000950103-26-012674 | | 2026-05-29 | 06:06 ET | [6-K](/filings/0000950103-26-008009.md) | Report of a foreign private issuer, period 2026-05-29 | 0000950103-26-008009 | | 2026-05-26 | 06:22 ET | [6-K](/filings/0000950103-26-007681.md) | Report of a foreign private issuer, period 2026-05-26 | 0000950103-26-007681 | | 2026-04-24 | 09:25 ET | [6-K](/filings/0000950103-26-006130.md) | Report of a foreign private issuer, period 2026-04-24 | 0000950103-26-006130 | | 2026-04-24 | 09:01 ET | [20-F](/filings/0001193125-26-175368.md) | Annual report of a foreign private issuer, period 2025-12-31 | 0001193125-26-175368 | | 2026-03-19 | 06:07 ET | [6-K](/filings/0000950103-26-004385.md) | Report of a foreign private issuer, period 2026-03-19 | 0000950103-26-004385 | | 2025-11-20 | 06:11 ET | [6-K](/filings/0000950103-25-015070.md) | Report of a foreign private issuer, period 2025-11-20 | 0000950103-25-015070 | | 2025-11-14 | 06:18 ET | [6-K](/filings/0000950103-25-014720.md) | Report of a foreign private issuer, period 2025-11-14 | 0000950103-25-014720 | | 2025-08-14 | 06:01 ET | [6-K](/filings/0000950103-25-010277.md) | Report of a foreign private issuer, period 2025-08-14 | 0000950103-25-010277 | | 2025-05-22 | 06:05 ET | [6-K](/filings/0000950103-25-006322.md) | Report of a foreign private issuer, period 2025-05-22 | 0000950103-25-006322 | ## Latest annual report [Form 20-F for the fiscal year ended Dec 31, 2025](/filings/0001193125-26-175368.md), filed Apr 24, 2026. ## Forecast league Not in this season’s league. [This season’s league](/leagues.md) ## About the filer - CIK: 1723935 - Tickers: STG - Exchange: NYSE - SIC code: 8200 Services-Educational Services - State of incorporation: E9 - Filer category: Non-accelerated filer Source: SEC EDGAR, XBRL company facts, the filing index and Forms 4. Last ingested by Listed: Oct 28, 2026, 07:02 ET. No prices; not investment advice.