Who has been buying Coway stock?

4 distinct insiders have filed 37 disclosed insider purchases in Coway (021240), most recently on 2026-06-24. 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 Coway have?

Coway has 37 buy-side and 0 sell-side disclosures on record, covering ₩31.0B ($21.5M) in total reported value, spanning 2025-03-07 to 2026-06-24.

Where does StockDrifts get Coway 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.

Coway 021240

Company

코웨이Coway

Insiders

Buys

Total Value

₩31.0B ($21.5M)

Avg Return

+3.47%

Last Filing

2026-06-24

Coway (021240) has 37 disclosed insider purchases and 0 disclosed disposals on record, filed by 4 distinct insiders. Together those filings cover ₩31.0B ($21.5M) in reported transaction value. The earliest filing StockDrifts holds for Coway is dated 2025-03-07; the most recent is 2026-06-24. 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 +3.47%, 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
2026-06-24	BUY	Market Buy	서장원 Seo Jang-won	CEO	265	₩86,300	-0.7%	₩23M ($16K)
2026-06-23	BUY	Market Buy	서장원 Seo Jang-won	CEO	35	₩86,000	-0.3%	₩3M ($2K)
2026-06-05	BUY	Market Buy	방준혁 Junhyuk Bang	Chairman of the Board	7.9K	₩94,200	+0.0%	₩748M ($520K)
2026-06-05	BUY	Market Buy	넷마블 Netmarble	-	21.0K	₩94,200	+0.0%	₩2.0B ($1.4M)
2026-06-04	BUY	Market Buy	넷마블 Netmarble	-	22.0K	₩93,000	+1.3%	₩2.0B ($1.4M)
2026-06-04	BUY	Market Buy	방준혁 Junhyuk Bang	Chairman of the Board	6.0K	₩93,000	+1.3%	₩558M ($388K)
2026-06-02	BUY	Market Buy	방준혁 Junhyuk Bang	Chairman of the Board	6.0K	₩94,600	-0.4%	₩568M ($394K)
2026-06-02	BUY	Market Buy	넷마블 Netmarble	-	24.0K	₩94,600	-0.4%	₩2.3B ($1.6M)
2026-06-01	BUY	Market Buy	방준혁 Junhyuk Bang	Chairman of the Board	5.0K	₩90,000	+4.7%	₩450M ($313K)
2026-06-01	BUY	Market Buy	넷마블 Netmarble	-	24.0K	₩90,000	+4.7%	₩2.2B ($1.5M)
2026-05-29	BUY	Market Buy	방준혁 Junhyuk Bang	Chairman of the Board	7.0K	₩90,000	+4.7%	₩630M ($438K)
2026-05-29	BUY	Market Buy	넷마블 Netmarble	-	28.0K	₩90,000	+4.7%	₩2.5B ($1.8M)
2026-05-28	BUY	Market Buy	넷마블 Netmarble	-	24.0K	₩92,400	+2.4%	₩2.2B ($1.5M)
2026-05-28	BUY	Market Buy	방준혁 Junhyuk Bang	Chairman of the Board	7.0K	₩92,400	+2.4%	₩647M ($449K)
2026-05-27	BUY	Market Buy	방준혁 Junhyuk Bang	Chairman of the Board	7.0K	₩91,500	+3.4%	₩641M ($445K)
2026-05-27	BUY	Market Buy	넷마블 Netmarble	-	24.0K	₩91,500	+3.4%	₩2.2B ($1.5M)
2026-05-26	BUY	Market Buy	넷마블 Netmarble	-	24.0K	₩93,700	+1.0%	₩2.2B ($1.6M)
2026-05-26	BUY	Market Buy	방준혁 Junhyuk Bang	Chairman of the Board	3.9K	₩93,700	+1.0%	₩361M ($251K)
2026-05-22	BUY	Market Buy	방준혁 Junhyuk Bang	Chairman of the Board	7.0K	₩92,700	+2.0%	₩649M ($451K)
2026-05-22	BUY	Market Buy	넷마블 Netmarble	-	33.0K	₩92,700	+2.0%	₩3.1B ($2.1M)
2026-05-21	BUY	Market Buy	넷마블 Netmarble	-	40.0K	₩93,700	+1.0%	₩3.7B ($2.6M)
2026-05-21	BUY	Market Buy	방준혁 Junhyuk Bang	Chairman of the Board	9.1K	₩93,700	+1.0%	₩857M ($595K)
2026-05-20	BUY	Market Buy	넷마블 Netmarble	-	28.0K	-	-	-
2026-05-20	BUY	Market Buy	방준혁 Junhyuk Bang	Chairman of the Board	7.0K	-	-	-
2026-05-19	BUY	Market Buy	넷마블 Netmarble	-	28.0K	-	-	-
2026-05-18	BUY	Market Buy	넷마블 Netmarble	-	28.0K	-	-	-
2026-05-15	BUY	Market Buy	넷마블 Netmarble	-	28.0K	-	-	-
2026-05-14	BUY	Market Buy	넷마블 Netmarble	-	53.7K	-	-	-
2026-05-13	BUY	Market Buy	넷마블 Netmarble	-	2.3K	-	-	-
2026-05-13	BUY	Market Buy	방준혁 Junhyuk Bang	Chairman of the Board	7.0K	-	-	-
2026-04-01	BUY	Market Buy	서장원 Seo Jang-won	CEO	500	₩71,800	+15.0%	₩36M ($25K)
2026-03-31	BUY	Market Buy	서장원 Seo Jang-won	CEO	1.7K	₩72,200	+14.4%	₩123M ($85K)
2026-03-30	BUY	Market Buy	서장원 Seo Jang-won	CEO	600	₩72,500	+13.9%	₩44M ($30K)
2026-03-11	BUY	Market Buy	김순태 Suntae Kim	Managing Director	1.5K	-	-	-
2026-02-10	BUY	Market Buy	서장원 Seo Jang-won	CEO	1.0K	₩87,300	-0.8%	₩87M ($61K)
2025-12-01	BUY	신규선임	김기수 Gisu Kim	Assistant Managing Director	150	₩86,200	+0.5%	₩13M ($9K)
2025-03-10	BUY	Market Buy	서장원 Seo Jang-won	CEO	407	₩80,400	+7.7%	₩33M ($23K)
2025-03-07	BUY	Market Buy	서장원 Seo Jang-won	CEO	1.6K	₩80,200	+8.0%	₩128M ($89K)

Frequently asked questions

Who has been buying Coway stock?: 4 distinct insiders have filed 37 disclosed insider purchases in Coway (021240), most recently on 2026-06-24. 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 Coway have?: Coway has 37 buy-side and 0 sell-side disclosures on record, covering ₩31.0B ($21.5M) in total reported value, spanning 2025-03-07 to 2026-06-24.
Where does StockDrifts get Coway 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 Coway. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.