Who has been buying Cheil Worldwide stock?

4 distinct insiders have filed 249 disclosed insider purchases in Cheil Worldwide (030000), most recently on 2026-03-04. 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 Cheil Worldwide have?

Cheil Worldwide has 249 buy-side and 237 sell-side disclosures on record, covering ₩205.1B ($142.4M) in total reported value, spanning 2024-08-14 to 2026-03-04.

Where does StockDrifts get Cheil Worldwide 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.

Cheil Worldwide 030000

Company

제일기획Cheil Worldwide

Insiders

Buys

249

Total Value

₩205.1B ($142.4M)

Avg Return

+0.29%

Last Filing

2026-03-04

Cheil Worldwide (030000) has 249 disclosed insider purchases and 237 disclosed disposals on record, filed by 4 distinct insiders. Together those filings cover ₩205.1B ($142.4M) in reported transaction value. The earliest filing StockDrifts holds for Cheil Worldwide is dated 2024-08-14; the most recent is 2026-03-04. 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 +0.29%, 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
2026-03-04	SELL	Market Sell	정선우 Seonwoo Jeong	Advisor	-3.0K	₩19,790	-0.2%	₩59M ($41K)
2026-01-29	SELL	Market Sell	신재호 Shin Jae-ho	Managing Director	-7.4K	₩21,750	+8.8%	₩161M ($112K)
2025-12-30	BUY	Market Buy	국민연금공단 National Pension Service	-	27.3K	₩21,000	-5.6%	₩574M ($399K)
2025-12-30	SELL	Market Sell	국민연금공단 National Pension Service	-	-295.9K	₩21,000	+5.6%	₩6.2B ($4.3M)
2025-12-29	BUY	Market Buy	국민연금공단 National Pension Service	-	16.4K	₩21,100	-6.0%	₩347M ($241K)
2025-12-29	SELL	Market Sell	국민연금공단 National Pension Service	-	-132.1K	₩21,100	+6.0%	₩2.8B ($1.9M)
2025-12-26	SELL	Market Sell	국민연금공단 National Pension Service	-	-108.0K	₩22,500	+11.9%	₩2.4B ($1.7M)
2025-12-24	BUY	Market Buy	국민연금공단 National Pension Service	-	49.9K	₩22,700	-12.6%	₩1.1B ($786K)
2025-12-24	SELL	Market Sell	국민연금공단 National Pension Service	-	-84.0K	₩22,700	+12.6%	₩1.9B ($1.3M)
2025-12-23	BUY	Market Buy	국민연금공단 National Pension Service	-	30.4K	₩22,800	-13.0%	₩693M ($481K)
2025-12-23	SELL	Market Sell	국민연금공단 National Pension Service	-	-51.9K	₩22,800	+13.0%	₩1.2B ($822K)
2025-12-22	SELL	Market Sell	국민연금공단 National Pension Service	-	-1.0K	₩23,100	+14.2%	₩23M ($16K)
2025-12-22	BUY	Market Buy	국민연금공단 National Pension Service	-	37.4K	₩23,100	-14.2%	₩864M ($600K)
2025-12-19	BUY	Market Buy	국민연금공단 National Pension Service	-	68.7K	₩23,150	-14.3%	₩1.6B ($1.1M)
2025-12-19	SELL	Market Sell	국민연금공단 National Pension Service	-	-1.0K	₩23,150	+14.3%	₩23M ($16K)
2025-12-18	BUY	Market Buy	국민연금공단 National Pension Service	-	28.7K	₩23,150	-14.3%	₩664M ($461K)
2025-12-17	SELL	Market Sell	국민연금공단 National Pension Service	-	-1.0K	₩23,050	+14.0%	₩23M ($16K)
2025-12-17	BUY	Market Buy	국민연금공단 National Pension Service	-	47.3K	₩23,050	-14.0%	₩1.1B ($757K)
2025-12-16	BUY	Market Buy	국민연금공단 National Pension Service	-	26.1K	₩22,750	-12.8%	₩594M ($413K)
2025-12-16	SELL	Market Sell	국민연금공단 National Pension Service	-	-49.2K	₩22,750	+12.8%	₩1.1B ($777K)
2025-12-15	SELL	Market Sell	국민연금공단 National Pension Service	-	-60.0K	₩23,000	+13.8%	₩1.4B ($958K)
2025-12-15	BUY	Market Buy	국민연금공단 National Pension Service	-	30.2K	₩23,000	-13.8%	₩696M ($483K)
2025-12-12	SELL	Market Sell	국민연금공단 National Pension Service	-	-18.0K	₩23,050	+14.0%	₩416M ($289K)
2025-12-12	BUY	Market Buy	국민연금공단 National Pension Service	-	29.5K	₩23,050	-14.0%	₩681M ($473K)
2025-12-11	SELL	Market Sell	국민연금공단 National Pension Service	-	-14.1K	₩22,750	+12.8%	₩320M ($222K)
2025-12-11	BUY	Market Buy	국민연금공단 National Pension Service	-	30.8K	₩22,750	-12.8%	₩701M ($487K)
2025-12-10	SELL	Market Sell	국민연금공단 National Pension Service	-	-6.9K	₩22,800	+13.0%	₩157M ($109K)
2025-12-10	BUY	Market Buy	국민연금공단 National Pension Service	-	28.0K	₩22,800	-13.0%	₩638M ($443K)
2025-12-09	BUY	Market Buy	국민연금공단 National Pension Service	-	4.5K	₩23,050	-14.0%	₩104M ($73K)
2025-12-08	BUY	Market Buy	국민연금공단 National Pension Service	-	8.9K	₩22,900	-13.4%	₩204M ($141K)
2025-12-08	SELL	Market Sell	국민연금공단 National Pension Service	-	-29.4K	₩22,900	+13.4%	₩674M ($468K)
2025-12-05	SELL	Market Sell	국민연금공단 National Pension Service	-	-27.0K	₩22,800	+13.0%	₩616M ($428K)
2025-12-04	BUY	Market Buy	국민연금공단 National Pension Service	-	8.3K	₩22,900	-13.4%	₩191M ($133K)
2025-12-04	SELL	Market Sell	국민연금공단 National Pension Service	-	-23.0K	₩22,900	+13.4%	₩527M ($366K)
2025-12-03	SELL	Market Sell	국민연금공단 National Pension Service	-	-7.3K	₩22,650	+12.4%	₩165M ($114K)
2025-12-03	BUY	Market Buy	국민연금공단 National Pension Service	-	1.6K	₩22,650	-12.4%	₩37M ($26K)
2025-12-02	SELL	Market Sell	국민연금공단 National Pension Service	-	-2.5K	₩22,650	+12.4%	₩57M ($39K)
2025-12-01	BUY	Market Buy	국민연금공단 National Pension Service	-	75	₩22,800	-13.0%	₩2M ($1K)
2025-12-01	SELL	Market Sell	국민연금공단 National Pension Service	-	-11.0K	₩22,800	+13.0%	₩251M ($174K)
2025-11-28	SELL	Market Sell	국민연금공단 National Pension Service	-	-1.0K	₩22,650	+12.4%	₩23M ($16K)
2025-11-28	BUY	Market Buy	국민연금공단 National Pension Service	-	31.8K	₩22,650	-12.4%	₩719M ($500K)
2025-11-27	BUY	Market Buy	국민연금공단 National Pension Service	-	4.7K	₩22,800	-13.0%	₩107M ($74K)
2025-11-26	SELL	Market Sell	국민연금공단 National Pension Service	-	-2.1K	₩22,850	+13.2%	₩49M ($34K)
2025-11-26	BUY	Market Buy	국민연금공단 National Pension Service	-	64.2K	₩22,850	-13.2%	₩1.5B ($1.0M)
2025-11-25	SELL	Market Sell	국민연금공단 National Pension Service	-	-1.0K	₩22,500	+11.9%	₩23M ($16K)
2025-11-25	BUY	Market Buy	국민연금공단 National Pension Service	-	81.9K	₩22,500	-11.9%	₩1.8B ($1.3M)
2025-11-24	SELL	Market Sell	국민연금공단 National Pension Service	-	-288	₩22,500	+11.9%	₩6M ($5K)
2025-11-21	BUY	Market Buy	국민연금공단 National Pension Service	-	3.5K	₩22,200	-10.7%	₩77M ($54K)
2025-11-21	SELL	Market Sell	국민연금공단 National Pension Service	-	-1.0K	₩22,200	+10.7%	₩22M ($15K)
2025-11-18	BUY	Market Buy	국민연금공단 National Pension Service	-	4.2K	₩21,700	-8.6%	₩91M ($63K)

Showing the 50 most recent of 200 filings.

Frequently asked questions

Who has been buying Cheil Worldwide stock?: 4 distinct insiders have filed 249 disclosed insider purchases in Cheil Worldwide (030000), most recently on 2026-03-04. 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 Cheil Worldwide have?: Cheil Worldwide has 249 buy-side and 237 sell-side disclosures on record, covering ₩205.1B ($142.4M) in total reported value, spanning 2024-08-14 to 2026-03-04.
Where does StockDrifts get Cheil Worldwide 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 Cheil Worldwide. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.