Who has been buying top line stock?

2 distinct insiders have filed 16 disclosed insider purchases in top line (180060), most recently on 2026-07-15. Each filer, their role, the number of shares and the price at filing are listed in the table on this page.

How many insider filings does top line have?

top line has 16 buy-side and 0 sell-side disclosures on record, covering ₩460M ($319K) in total reported value, spanning 2024-02-21 to 2026-07-15.

Where does StockDrifts get top line insider data?

From DART D001/D002 insider disclosures — the official filing system run by the Financial Supervisory Service (Korea). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from DART.

Do insider buys in Korean stocks predict returns?

Not uniformly. StockDrifts analysed 170,720 share-count changes across 56,930 Korean DART filings using cross-sectional alpha at fixed forward horizons, and found returns concentrated in particular signal tiers rather than in insider buying generally.

top line 180060

Company

탑선top line

Insiders

Buys

Total Value

₩460M ($319K)

Avg Return

+11.03%

Last Filing

2026-07-15

top line (180060) has 16 disclosed insider purchases and 0 disclosed disposals on record, filed by 2 distinct insiders. Together those filings cover ₩460M ($319K) in reported transaction value. The earliest filing StockDrifts holds for top line is dated 2024-02-21; the most recent is 2026-07-15. All of it is parsed from DART D001/D002 insider disclosures, the official disclosure system operated by the Financial Supervisory Service (Korea). Across these filings the average return since disclosure is +11.03%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent insider trades

Date	Type	Source	Insider	Position	Shares	Price at filing	Return	Value
2026-08-06	BUY	Market Buy	윤정택 Jeongtaek Yoon	CEO	2.3K	₩5,140	-2.7%	₩12M ($8K)
2026-08-05	BUY	Market Buy	윤정택 Jeongtaek Yoon	CEO	1.5K	₩5,070	-1.4%	₩8M ($5K)
2026-08-04	BUY	Market Buy	윤정택 Jeongtaek Yoon	CEO	2.4K	₩5,200	-1.0%	₩12M ($9K)
2026-08-03	BUY	Market Buy	윤정택 Jeongtaek Yoon	CEO	1.3K	₩5,060	+1.8%	₩6M ($4K)
2026-07-31	BUY	Market Buy	윤정택 Jeongtaek Yoon	CEO	2.0K	₩5,180	-0.6%	₩10M ($7K)
2026-07-30	BUY	Market Buy	윤정택 Jeongtaek Yoon	CEO	3.0K	₩5,100	+2.0%	₩15M ($11K)
2026-07-29	BUY	Market Buy	윤정택 Jeongtaek Yoon	CEO	1.0K	₩5,000	+4.0%	₩5M ($4K)
2026-07-15	BUY	Market Buy	윤정택 Jeongtaek Yoon	CEO	1.0K	₩5,180	+0.4%	₩5M ($4K)
2026-07-14	BUY	Market Buy	윤정택 Jeongtaek Yoon	CEO	3.0K	₩5,240	-0.8%	₩15M ($10K)
2025-11-17	BUY	Market Buy	윤정택 Jeongtaek Yoon	CEO	850	₩7,500	-1.3%	₩6M ($4K)
2025-11-14	BUY	Market Buy	윤정택 Jeongtaek Yoon	CEO	2.5K	₩7,390	+0.1%	₩18M ($13K)
2025-11-13	BUY	Market Buy	윤정택 Jeongtaek Yoon	CEO	2.0K	₩7,550	-2.0%	₩15M ($10K)
2025-11-12	BUY	Market Buy	윤정택 Jeongtaek Yoon	CEO	3.0K	₩7,550	-2.0%	₩23M ($16K)
2025-07-11	BUY	Market Buy	윤정택 Jeongtaek Yoon	CEO	700	₩8,720	-15.1%	₩6M ($4K)
2025-07-10	BUY	Market Buy	윤정택 Jeongtaek Yoon	CEO	4.3K	₩8,280	-10.6%	₩36M ($25K)
2025-04-29	BUY	Market Buy	윤정택 Jeongtaek Yoon	CEO	18.5K	₩5,500	+34.5%	₩102M ($71K)
2025-04-25	BUY	Market Buy	윤정택 Jeongtaek Yoon	CEO	10.8K	₩5,450	+35.8%	₩59M ($41K)
2025-04-24	BUY	Market Buy	윤정택 Jeongtaek Yoon	CEO	6.4K	₩5,750	+28.7%	₩37M ($25K)
2025-04-23	BUY	Market Buy	윤정택 Jeongtaek Yoon	CEO	9.1K	₩5,800	+27.6%	₩53M ($37K)
2025-04-22	BUY	Market Buy	윤정택 Jeongtaek Yoon	CEO	11.7K	₩5,690	+30.1%	₩67M ($46K)
2025-03-27	BUY	Market Buy	이정만 Jeongman Lee	Managing Director	850	₩6,300	+17.5%	₩5M ($4K)
2024-12-24	BUY	Market Buy	이정만 Jeongman Lee	Managing Director	899	₩6,140	+20.5%	₩6M ($4K)
2024-12-02	BUY	Market Buy	이정만 Jeongman Lee	Managing Director	1.2K	₩6,540	+13.2%	₩8M ($5K)
2024-11-18	BUY	신규보고	이정만 Jeongman Lee	Managing Director	999	₩6,500	+13.8%	₩6M ($5K)
2024-06-14	BUY	신규보고	현병수 Hyun Byeong-soo	Outside Director	500	₩11,000	-32.7%	₩6M ($4K)
2024-02-23	BUY	신규보고	정규철 Jeong Gyu-cheol	vice president	1.5K	₩12,630	-41.4%	₩18M ($13K)
2024-02-21	BUY	신규보고	정규철 Jeong Gyu-cheol	vice president	544	₩10,200	-27.4%	₩6M ($4K)
2024-02-21	BUY	신규보고	김신 Kim Shin	CFO	1.0K	₩10,200	-27.4%	₩10M ($7K)

Frequently asked questions

Who has been buying top line stock?: 2 distinct insiders have filed 16 disclosed insider purchases in top line (180060), most recently on 2026-07-15. Each filer, their role, the number of shares and the price at filing are listed in the table on this page.
How many insider filings does top line have?: top line has 16 buy-side and 0 sell-side disclosures on record, covering ₩460M ($319K) in total reported value, spanning 2024-02-21 to 2026-07-15.
Where does StockDrifts get top line insider data?: From DART D001/D002 insider disclosures — the official filing system run by the Financial Supervisory Service (Korea). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from DART.
Do insider buys in Korean stocks predict returns?: Not uniformly. StockDrifts analysed 170,720 share-count changes across 56,930 Korean DART filings using cross-sectional alpha at fixed forward horizons, and found returns concentrated in particular signal tiers rather than in insider buying generally.

Source filings

Every trade listed above is disclosed in DART D001/D002 insider disclosures, filed with the Financial Supervisory Service (Korea). View the original DART filings for top line. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.