Who has been buying Yesty stock?

2 distinct insiders have filed 20 disclosed insider purchases in Yesty (122640), most recently on 2025-01-24. 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 Yesty have?

Yesty has 20 buy-side and 0 sell-side disclosures on record, covering ₩4.0B ($2.8M) in total reported value, spanning 2024-12-20 to 2025-01-24.

Where does StockDrifts get Yesty 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.

Yesty 122640

Company

예스티Yesty

Insiders

Buys

Total Value

₩4.0B ($2.8M)

Avg Return

+84.71%

Last Filing

2025-01-24

Yesty (122640) has 20 disclosed insider purchases and 0 disclosed disposals on record, filed by 2 distinct insiders. Together those filings cover ₩4.0B ($2.8M) in reported transaction value. The earliest filing StockDrifts holds for Yesty is dated 2024-12-20; the most recent is 2025-01-24. 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 +84.71%, 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
2026-07-28	BUY	PROGRAM	김영범 Youngbeom Kim	Managing Director	4.8K	₩19,310	+9.8%	₩65M ($45K)
2026-07-28	BUY	PROGRAM	함영준 Youngjun Ham	Managing Director	3.9K	₩19,310	+9.8%	₩53M ($37K)
2026-07-28	BUY	PROGRAM	송요한 Song Yohan	vice president	10.0K	₩19,310	+9.8%	₩137M ($95K)
2026-07-28	BUY	PROGRAM	김태훈 Taehoon Kim	Managing Director	9.5K	₩19,310	+9.8%	₩130M ($90K)
2026-07-28	BUY	PROGRAM	전영호 Youngho Jeon	vice president	6.0K	₩19,310	+9.8%	₩82M ($57K)
2026-07-28	BUY	PROGRAM	조이현 Jo Ihyun	Managing Director	3.9K	₩19,310	+9.8%	₩53M ($37K)
2025-01-24	BUY	Market Buy	예스 yes	-	1.8K	₩14,270	+51.7%	₩26M ($18K)
2025-01-23	BUY	Market Buy	예스 yes	-	4.1K	₩14,000	+54.6%	₩57M ($40K)
2025-01-22	BUY	Market Buy	예스 yes	-	30.0K	₩14,040	+54.2%	₩421M ($292K)
2025-01-21	BUY	Market Buy	예스 yes	-	9.2K	₩13,290	+62.9%	₩122M ($85K)
2025-01-20	BUY	Market Buy	예스 yes	-	28.9K	₩13,070	+65.7%	₩378M ($262K)
2025-01-17	BUY	Market Buy	예스 yes	-	13.5K	₩13,300	+62.8%	₩179M ($124K)
2025-01-16	BUY	Market Buy	예스 yes	-	41.7K	₩13,200	+64.0%	₩551M ($383K)
2025-01-15	BUY	Market Buy	장동복 Jang Dong-bok	CEO	12.3K	₩13,760	+57.3%	₩169M ($117K)
2025-01-15	BUY	Market Buy	예스 yes	-	20.0K	₩13,760	+57.3%	₩275M ($191K)
2025-01-14	BUY	Market Buy	장동복 Jang Dong-bok	CEO	14.4K	₩12,980	+66.8%	₩186M ($129K)
2025-01-13	BUY	Market Buy	장동복 Jang Dong-bok	CEO	14.6K	₩12,620	+71.5%	₩184M ($128K)
2025-01-10	BUY	Market Buy	장동복 Jang Dong-bok	CEO	18.2K	₩11,980	+80.7%	₩219M ($152K)
2025-01-09	BUY	Market Buy	장동복 Jang Dong-bok	CEO	23.9K	₩11,120	+94.7%	₩265M ($184K)
2025-01-08	BUY	Market Buy	장동복 Jang Dong-bok	CEO	22.0K	₩10,940	+97.9%	₩241M ($167K)
2025-01-02	BUY	Market Buy	장동복 Jang Dong-bok	CEO	2.0K	₩10,200	+112.3%	₩20M ($14K)
2024-12-30	BUY	Market Buy	장동복 Jang Dong-bok	CEO	5.5K	₩9,820	+120.5%	₩54M ($37K)
2024-12-27	SELL	기타	장동복 Jang Dong-bok	CEO	-751.0K	₩9,630	-124.8%	₩7.2B ($5.0M)
2024-12-26	BUY	Market Buy	장동복 Jang Dong-bok	CEO	1.0K	₩9,200	+135.3%	₩9M ($6K)
2024-12-24	BUY	Market Buy	장동복 Jang Dong-bok	CEO	31.0K	₩9,600	+125.5%	₩298M ($207K)
2024-12-23	BUY	Market Buy	장동복 Jang Dong-bok	CEO	24.0K	₩9,450	+129.1%	₩227M ($158K)
2024-12-20	BUY	Market Buy	장동복 Jang Dong-bok	CEO	15.0K	₩9,440	+129.3%	₩142M ($98K)

Frequently asked questions

Who has been buying Yesty stock?: 2 distinct insiders have filed 20 disclosed insider purchases in Yesty (122640), most recently on 2025-01-24. 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 Yesty have?: Yesty has 20 buy-side and 0 sell-side disclosures on record, covering ₩4.0B ($2.8M) in total reported value, spanning 2024-12-20 to 2025-01-24.
Where does StockDrifts get Yesty 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 Yesty. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.