Who has been buying Chaperone stock?

2 distinct insiders have filed 4 disclosed insider purchases in Chaperone (378800), most recently on 2026-07-01. 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 Chaperone have?

Chaperone has 4 buy-side and 3 sell-side disclosures on record, covering ₩1.7B ($1.2M) in total reported value, spanning 2024-05-31 to 2026-07-01.

Do insider buys in Korean stocks predict returns?

Not uniformly. StockDrifts analysed 170,720 share-count changes across 56,930 Korean regulatory filings using cross-sectional alpha at fixed forward horizons, and found returns concentrated in particular signal tiers rather than in insider buying generally.

Chaperone 378800

Company

샤페론Chaperone

Insiders

Buys

Total Value

₩1.7B ($1.2M)

Avg Return

+4.03%

Last Filing

2026-07-01

Chaperone (378800) has 4 disclosed insider purchases and 3 disclosed disposals on record, filed by 2 distinct insiders. Together those filings cover ₩1.7B ($1.2M) in reported transaction value. The earliest filing StockDrifts holds for Chaperone is dated 2024-05-31; the most recent is 2026-07-01. Across these filings the average return since disclosure is +4.03%, 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
2026-07-01	BUY	Market Buy	성승용 Seong Seung-yong	CEO	157.7K	₩543	+11.2%	₩86M ($59K)
2025-11-12	BUY	유상신주취득	김도선 Kim Do-seon	vice president	3.5K	₩2,075	-6.8%	₩7M ($5K)
2025-11-12	SELL	기타	성승용 Seong Seung-yong	CEO	-500.0K	₩2,075	+6.8%	₩1.0B ($720K)
2025-11-12	BUY	유상신주취득	성승용 Seong Seung-yong	CEO	500.0K	₩2,075	-6.8%	₩1.0B ($720K)
2025-11-12	SELL	기타	김도선 Kim Do-seon	vice president	-3.5K	₩2,075	+6.8%	₩7M ($5K)
2025-10-22	BUY	장외매수	성승용 Seong Seung-yong	CEO	200.0K	₩2,285	-15.4%	₩457M ($317K)
2025-10-22	SELL	Market Sell	성승용 Seong Seung-yong	CEO	-37.3K	₩2,285	+15.4%	₩85M ($59K)
2025-10-20	SELL	Market Sell	성승용 Seong Seung-yong	CEO	-614.0K	₩2,360	+18.1%	₩1.4B ($1.0M)
2025-10-20	BUY	Market Buy	성승용 Seong Seung-yong	CEO	2.0K	₩2,360	-18.1%	₩5M ($3K)
2025-10-20	SELL	Market Sell	성승용 Seong Seung-yong	CEO	-2.3K	₩2,360	+18.1%	₩5M ($4K)
2025-10-15	SELL	장외매도	성승용 Seong Seung-yong	CEO	-1.5M	₩2,380	+18.7%	₩3.6B ($2.5M)
2025-10-13	BUY	기타	성승용 Seong Seung-yong	CEO	2.5M	₩2,455	-21.2%	₩6.0B ($4.2M)
2025-10-13	BUY	기타	김도선 Kim Do-seon	vice president	3.5K	₩2,455	-21.2%	₩9M ($6K)
2025-09-17	BUY	Market Buy	김도선 Kim Do-seon	vice president	6.5K	₩2,130	-9.2%	₩14M ($10K)
2025-09-16	BUY	Market Buy	김도선 Kim Do-seon	vice president	8.6K	₩2,085	-7.2%	₩18M ($12K)
2024-06-13	BUY	유상신주취득	신주인베스트먼트 Shinju Investment	-	4.0M	₩1,685	+14.8%	₩6.7B ($4.7M)
2024-05-31	SELL	임원퇴임	한선애 Han Seon-ae	Managing Director	-10.0K	₩1,944	+0.5%	₩19M ($14K)

Frequently asked questions

Who has been buying Chaperone stock?: 2 distinct insiders have filed 4 disclosed insider purchases in Chaperone (378800), most recently on 2026-07-01. 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 Chaperone have?: Chaperone has 4 buy-side and 3 sell-side disclosures on record, covering ₩1.7B ($1.2M) in total reported value, spanning 2024-05-31 to 2026-07-01.
Do insider buys in Korean stocks predict returns?: Not uniformly. StockDrifts analysed 170,720 share-count changes across 56,930 Korean regulatory filings using cross-sectional alpha at fixed forward horizons, and found returns concentrated in particular signal tiers rather than in insider buying generally.

More on this data

Every trade listed above comes from an official regulatory disclosure. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.