| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G | 2019-02-14 | STAD MARC | Sunlands Technology Group | 12,682,220 | 7.0% | EDGAR |
| SC 13G | 2019-02-14 | Peng Ou | Sunlands Technology Group | 2,833,024 | 54.6% | EDGAR |
| SC 13G | 2019-02-14 | Tongbo Liu | Sunlands Technology Group | 1,052,504 | 20.3% | EDGAR |
| SC 13G/A | 2019-01-28 | GIC Private Ltd | Sunlands Technology Group | 7,806,432 | 4.3% | EDGAR |
| SC 13G | 2018-05-03 | GIC Private Ltd | Sunlands Online Education Group | 9,900,980 | 5.4% | EDGAR |