Quick Takeaways
- STG - Sunlands Technology Group has 4 insiders with reported activity on this page.
- No net insider buy/sell flow is currently reported for the last year.
- Recent transaction rows are available for direct filing-level review.
- Info
- Insider Trading
- Financials
Insider Transactions Reported by 4 Insiders of Sunlands Technology Group
- Symbol
- STG on NYSE
- Location
- Beijing
What Changed
- No meaningful buy/sell imbalance is currently visible in the one-year window.
- Activity will update as new Forms 3/4/5 are filed.
Why This Matters
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Official SEC Source
Insider trading overview
Last 12 monthsInsider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 10 Apr 2025.
Buys
$0
Shares: 0
Insiders: 0
Sells
$0
Shares: 0
Insiders: 0
Net
$0
Shares: 0
Insiders: 0
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Sunlands Technology Group executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Gao Jing | Director | Mixed | 01 Apr 2026 | |||
| Li Hangyu | Finance Director | Mixed | 01 Apr 2026 | |||
| Tongbo Liu | Chief Executive Officer, Director, 10%+ Owner | Mixed | 01 Apr 2026 | |||
| Peng Ou | Director, 10%+ Owner | Mixed | 01 Apr 2026 |
Top shareholders of Sunlands Technology Group (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| AREO HOLDINGS LTD |
13D/G
|
LAM LAI MING |
12%
|
312,802
|
$1,564,010 | $0 | 31 Dec 2024 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
0.37%
|
10,098
|
$59,780 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
0.03%
|
855
|
$5,062 | — | 31 Dec 2025 | |
| EverSource Wealth Advisors, LLC |
13F
|
Company |
0.02%
|
492
|
$2,913 | — | 31 Dec 2025 | |
| RHUMBLINE ADVISERS |
13F
|
Company |
0%
|
41
|
$242 | — | 31 Dec 2025 | |
| SBI Securities Co., Ltd. |
13F
|
Company |
0%
|
4
|
$24 | — | 31 Dec 2025 | |
| Peng Ou |
3/4/5
|
Director, 10%+ Owner |
—
class O/S missing
|
2,833,024
|
— | — | 01 Apr 2026 | |
| Tongbo Liu |
3/4/5
|
Chief Executive Officer, Director, 10%+ Owner |
—
class O/S missing
|
513,117
|
— | — | 01 Apr 2026 | |
| Gao Jing |
3/4/5
|
Director |
—
class O/S missing
|
60,383
|
— | — | 01 Apr 2026 | |
| Li Hangyu |
3/4/5
|
Finance Director |
—
class O/S missing
|
6,231
|
— | — | 01 Apr 2026 |
Recent Insider Transactions by Companies or Individuals for Sunlands Technology Group
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Peng Ou | STG | Common stock | 0 | 2,833,024 | 01 Apr 2026 | Direct | ||||
| Tongbo Liu | STG | Common stock | 0 | 513,117 | 01 Apr 2026 | Direct | ||||
| Li Hangyu | STG | Common stock | 0 | 6,231 | 01 Apr 2026 | Direct | ||||
| Gao Jing | STG | Common stock | 0 | 60,383 | 01 Apr 2026 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.