Who has been buying YC stock?

7 distinct insiders have filed 0 disclosed insider purchases in YC (232140), most recently on 2025-04-03. 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 YC have?

YC has 0 buy-side and 8 sell-side disclosures on record, covering ₩826M ($574K) in total reported value, spanning 2024-04-25 to 2025-04-03.

Where does StockDrifts get YC 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.

YC 232140

Company

와이씨YC

Insiders

Buys

Total Value

₩826M ($574K)

Avg Return

-28.35%

Last Filing

2025-04-03

YC (232140) has 0 disclosed insider purchases and 8 disclosed disposals on record, filed by 7 distinct insiders. Together those filings cover ₩826M ($574K) in reported transaction value. The earliest filing StockDrifts holds for YC is dated 2024-04-25; the most recent is 2025-04-03. 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 -28.35%, 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
2025-04-03	SELL	Market Sell	주재훈 Joo Jae Hoon	president	-10.0K	₩10,570	-97.3%	₩106M ($73K)
2024-12-30	BUY	PROGRAM	김성수 Seongsu Kim	moving	600	₩10,210	+104.2%	₩6M ($4K)
2024-12-30	BUY	PROGRAM	허영재 Youngjae Heo	moving	600	₩10,210	+104.2%	₩6M ($4K)
2024-12-30	BUY	PROGRAM	홍석재 Hong Seok-jae	moving	800	₩10,210	+104.2%	₩8M ($6K)
2024-12-30	BUY	PROGRAM	박희수 Park Hee-soo	Managing Director	2.0K	₩10,210	+104.2%	₩20M ($14K)
2024-12-30	BUY	PROGRAM	김유석 Yuseok Kim	moving	600	₩10,210	+104.2%	₩6M ($4K)
2024-12-30	BUY	PROGRAM	유주영 Jooyoung Yoo	moving	600	₩10,210	+104.2%	₩6M ($4K)
2024-12-30	BUY	PROGRAM	박완순 Park Wan-soon	moving	1.0K	₩10,210	+104.2%	₩10M ($7K)
2024-06-13	SELL	Market Sell	유주영 Jooyoung Yoo	moving	-7.2K	₩21,900	+4.8%	₩158M ($110K)
2024-06-13	SELL	Market Sell	김유석 Yuseok Kim	moving	-1.2K	₩21,900	+4.8%	₩27M ($19K)
2024-06-11	SELL	Market Sell	주재훈 Joo Jae Hoon	president	-16.0K	₩18,620	-12.0%	₩298M ($207K)
2024-06-07	SELL	Market Sell	허영재 Youngjae Heo	moving	-420	₩17,350	-20.2%	₩7M ($5K)
2024-05-24	SELL	Market Sell	박희수 Park Hee-soo	Managing Director	-6.0K	₩15,190	-37.3%	₩91M ($63K)
2024-05-09	SELL	Market Sell	김수목 Kim Soo-mok	vice president	-9.1K	₩15,100	-38.1%	₩138M ($96K)
2024-05-07	SELL	Market Sell	김성수 Seongsu Kim	moving	-120	₩15,840	-31.6%	₩2M ($1K)
2024-04-25	BUY	PROGRAM	박완순 Park Wan-soon	moving	920	₩12,060	+72.9%	₩11M ($8K)
2024-04-25	BUY	PROGRAM	김수목 Kim Soo-mok	vice president	120	₩12,060	+72.9%	₩1M ($1K)
2024-04-25	BUY	PROGRAM	김성수 Seongsu Kim	moving	120	₩12,060	+72.9%	₩1M ($1K)
2024-04-25	BUY	PROGRAM	박희수 Park Hee-soo	Managing Director	120	₩12,060	+72.9%	₩1M ($1K)
2024-04-25	BUY	PROGRAM	유주영 Jooyoung Yoo	moving	120	₩12,060	+72.9%	₩1M ($1K)
2024-04-25	BUY	PROGRAM	홍석재 Hong Seok-jae	moving	120	₩12,060	+72.9%	₩1M ($1K)
2024-04-25	BUY	PROGRAM	허영재 Youngjae Heo	moving	120	₩12,060	+72.9%	₩1M ($1K)
2024-04-25	BUY	PROGRAM	김유석 Yuseok Kim	moving	120	₩12,060	+72.9%	₩1M ($1K)

Frequently asked questions

Who has been buying YC stock?: 7 distinct insiders have filed 0 disclosed insider purchases in YC (232140), most recently on 2025-04-03. 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 YC have?: YC has 0 buy-side and 8 sell-side disclosures on record, covering ₩826M ($574K) in total reported value, spanning 2024-04-25 to 2025-04-03.
Where does StockDrifts get YC 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 YC. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.