Who has been buying Sandol stock?

3 distinct insiders have filed 2 disclosed insider purchases in Sandol (419120), most recently on 2025-08-29. 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 Sandol have?

Sandol has 2 buy-side and 8 sell-side disclosures on record, covering ₩2.1B ($1.5M) in total reported value, spanning 2024-02-19 to 2025-08-29.

Where does StockDrifts get Sandol 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.

Sandol 419120

Company

산돌Sandol

Insiders

Buys

Total Value

₩2.1B ($1.5M)

Avg Return

+17.59%

Last Filing

2025-08-29

Sandol (419120) has 2 disclosed insider purchases and 8 disclosed disposals on record, filed by 3 distinct insiders. Together those filings cover ₩2.1B ($1.5M) in reported transaction value. The earliest filing StockDrifts holds for Sandol is dated 2024-02-19; the most recent is 2025-08-29. 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 +17.59%, 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
2025-08-29	SELL	장외매도	산돌커뮤니케이션 Sandoll Communication	-	-3.0M	₩7,140	+39.4%	₩21.3B ($14.8M)
2025-08-29	BUY	신규보고	케이씨지아이 KCGI	-	3.0M	₩7,140	-39.4%	₩21.3B ($14.8M)
2025-08-06	BUY	무상신주취득	윤영호 Youngho Yoon	CEO	644.5K	₩6,730	-35.7%	₩4.3B ($3.0M)
2025-08-06	BUY	무상신주취득	신동근 Shin Dong-geun	CFO	2.5K	₩6,730	-35.7%	₩17M ($12K)
2025-08-06	BUY	무상신주취득	송정은 Song Jeong-eun	vice president	500	₩6,730	-35.7%	₩3M ($2K)
2025-08-06	BUY	무상신주취득	이혁 Lee Hyuk	vice president	19.0K	₩6,730	-35.7%	₩128M ($89K)
2025-08-06	BUY	무상신주취득	산돌커뮤니케이션 Sandoll Communication	-	3.0M	₩6,730	-35.7%	₩20.1B ($13.9M)
2025-08-05	SELL	Market Sell	이혁 Lee Hyuk	vice president	-8.5K	₩7,220	+40.1%	₩61M ($42K)
2025-08-04	BUY	기타	이혁 Lee Hyuk	vice president	5.3K	₩7,870	-45.0%	₩42M ($29K)
2025-08-04	SELL	Market Sell	이혁 Lee Hyuk	vice president	-23.6K	₩7,870	+45.0%	₩186M ($129K)
2025-08-01	SELL	Market Sell	이혁 Lee Hyuk	vice president	-3.5K	₩8,445	+48.8%	₩30M ($21K)
2025-07-31	SELL	Market Sell	이혁 Lee Hyuk	vice president	-25.1K	₩9,349	+53.7%	₩234M ($163K)
2025-06-23	SELL	Market Sell	에버베스트리빙스톤사모투자 Everbest Living Stone Private Investment	-	-26.0K	₩4,880	+11.4%	₩127M ($88K)
2025-06-20	SELL	Market Sell	에버베스트리빙스톤사모투자 Everbest Living Stone Private Investment	-	-15.0K	₩4,767	+9.3%	₩72M ($50K)
2025-06-19	SELL	Market Sell	에버베스트리빙스톤사모투자 Everbest Living Stone Private Investment	-	-149.0K	₩5,342	+19.0%	₩796M ($553K)
2025-06-18	SELL	Market Sell	에버베스트리빙스톤사모투자 Everbest Living Stone Private Investment	-	-118.1K	₩5,034	+14.1%	₩595M ($413K)
2025-04-02	BUY	자사주상여금	송정은 Song Jeong-eun	vice president	500	₩3,873	+11.7%	₩2M ($1K)
2025-04-02	BUY	자사주상여금	신동근 Shin Dong-geun	CFO	500	₩3,873	+11.7%	₩2M ($1K)
2025-04-02	BUY	자사주상여금	이혁 Lee Hyuk	vice president	500	₩3,873	+11.7%	₩2M ($1K)
2024-04-19	BUY	주식매수선택권	이혁 Lee Hyuk	vice president	22.5K	₩4,320	+0.1%	₩97M ($68K)
2024-04-01	BUY	신규선임	이혁 Lee Hyuk	vice president	42.9K	₩4,998	-13.5%	₩215M ($149K)
2024-02-20	BUY	Market Buy	신동근 Shin Dong-geun	CFO	1.0K	₩6,339	-31.8%	₩6M ($4K)
2024-02-19	BUY	Market Buy	신동근 Shin Dong-geun	CFO	1.0K	₩6,529	-33.8%	₩7M ($5K)

Frequently asked questions

Who has been buying Sandol stock?: 3 distinct insiders have filed 2 disclosed insider purchases in Sandol (419120), most recently on 2025-08-29. 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 Sandol have?: Sandol has 2 buy-side and 8 sell-side disclosures on record, covering ₩2.1B ($1.5M) in total reported value, spanning 2024-02-19 to 2025-08-29.
Where does StockDrifts get Sandol 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 Sandol. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.