Who has been buying Alchera stock?

6 distinct insiders have filed 11 disclosed insider purchases in Alchera (347860), most recently on 2026-06-23. 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 Alchera have?

Alchera has 11 buy-side and 1 sell-side disclosures on record, covering ₩407M ($283K) in total reported value, spanning 2024-05-22 to 2026-06-23.

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.

Alchera 347860

Company

알체라Alchera

Insiders

Buys

Total Value

₩407M ($283K)

Avg Return

+10.35%

Last Filing

2026-06-23

Alchera (347860) has 11 disclosed insider purchases and 1 disclosed disposals on record, filed by 6 distinct insiders. Together those filings cover ₩407M ($283K) in reported transaction value. The earliest filing StockDrifts holds for Alchera is dated 2024-05-22; the most recent is 2026-06-23. Across these filings the average return since disclosure is +10.35%, 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
2026-09-07	BUY	Market Buy	김용호 Yongho Kim	CFO	26.0K	-	-	-
2026-06-23	BUY	Market Buy	김용호 Yongho Kim	CFO	19.2K	₩1,405	-6.5%	₩27M ($19K)
2026-06-08	BUY	Market Buy	김용호 Yongho Kim	CFO	24.8K	₩1,555	+11.3%	₩39M ($27K)
2026-03-09	BUY	Market Buy	황영규 Younggyu Hwang	CEO	32.0K	-	-	-
2026-03-04	BUY	Market Buy	김용호 Yongho Kim	CFO	29.0K	-	-	-
2025-05-02	SELL	Market Sell	LEE JOONMO	COS	-67.4K	₩1,885	+7.2%	₩127M ($88K)
2025-02-10	BUY	유상신주취득	이강의 Lee Kang-eui	EVP	214.3K	₩1,846	-5.2%	₩396M ($275K)
2025-02-10	BUY	유상신주취득	이상철 Lee Sang-cheol	Outside Director	17.1K	₩1,846	-5.2%	₩32M ($22K)
2025-02-10	BUY	유상신주취득	황영규 Younggyu Hwang	CEO	48.0K	₩1,846	-5.2%	₩89M ($62K)
2025-02-10	BUY	유상신주취득	LEE JOONMO	COS	28.4K	₩1,846	-5.2%	₩52M ($36K)
2025-02-10	BUY	유상신주취득	김용호 Yongho Kim	VP	38.6K	₩1,846	-5.2%	₩71M ($49K)
2025-02-06	SELL	기타	이강의 Lee Kang-eui	EVP	-178.6K	₩1,745	-0.3%	₩312M ($216K)
2025-02-06	SELL	기타	황영규 Younggyu Hwang	CEO	-40.0K	₩1,745	-0.3%	₩70M ($48K)
2025-01-31	BUY	Market Buy	이상철 Lee Sang-cheol	Outside Director	483	₩1,660	+5.4%	₩802K ($557)
2025-01-13	SELL	장외매도	스노우 snow	-	-1.5M	₩1,907	+8.2%	₩2.9B ($2.0M)
2025-01-13	SELL	장외매도	황영규 Younggyu Hwang	CEO	-1.8M	₩1,907	+8.2%	₩3.3B ($2.3M)
2025-01-07	BUY	기타	스노우 snow	-	1.5M	₩2,010	-12.9%	₩3.1B ($2.1M)
2025-01-07	BUY	기타	황영규 Younggyu Hwang	CEO	1.8M	₩2,010	-12.9%	₩3.6B ($2.5M)
2025-01-07	BUY	기타	이강의 Lee Kang-eui	EVP	178.6K	₩2,010	-12.9%	₩359M ($249K)
2024-12-02	BUY	제3자배정유상증자	황영규 Younggyu Hwang	CEO	1.1M	₩1,724	+1.5%	₩2.0B ($1.4M)
2024-11-25	BUY	제3자배정유상증자	황영규 Younggyu Hwang	CEO	1.5M	₩1,650	+6.1%	₩2.4B ($1.7M)
2024-07-09	BUY	Market Buy	김성수 Seongsu Kim	VP	7.5K	₩1,761	-0.6%	₩13M ($9K)
2024-06-27	BUY	Market Buy	LEE JOONMO	CFO	8.5K	₩1,492	+17.3%	₩13M ($9K)
2024-06-26	BUY	Market Buy	LEE JOONMO	CFO	4.0K	₩1,505	+16.3%	₩6M ($4K)
2024-06-25	BUY	Market Buy	LEE JOONMO	CFO	26.5K	₩1,486	+17.8%	₩39M ($27K)
2024-06-25	BUY	Market Buy	김용호 Yongho Kim	VP	45.0K	₩1,486	+17.8%	₩67M ($46K)
2024-06-24	BUY	Market Buy	이강의 Lee Kang-eui	EVP	51.0K	₩1,488	+17.6%	₩76M ($53K)
2024-06-11	SELL	기타	황영규 Younggyu Hwang	CEO	-172.1K	₩2,925	+40.2%	₩503M ($350K)
2024-06-11	SELL	기타	황영규 Younggyu Hwang	CEO	-25.8K	₩2,925	+40.2%	₩76M ($52K)
2024-06-11	SELL	기타	황영규 Younggyu Hwang	CEO	-258.2K	₩2,925	+40.2%	₩755M ($524K)
2024-06-11	SELL	기타	황영규 Younggyu Hwang	CEO	-301.2K	₩2,925	+40.2%	₩881M ($612K)
2024-06-11	SELL	기타	황영규 Younggyu Hwang	CEO	-129.1K	₩2,925	+40.2%	₩378M ($262K)
2024-06-11	SELL	기타	황영규 Younggyu Hwang	CEO	-86.1K	₩2,925	+40.2%	₩252M ($175K)
2024-06-11	SELL	기타	황영규 Younggyu Hwang	CEO	-258.2K	₩2,925	+40.2%	₩755M ($524K)
2024-06-11	SELL	기타	황영규 Younggyu Hwang	CEO	-172.1K	₩2,925	+40.2%	₩503M ($350K)
2024-06-11	SELL	기타	황영규 Younggyu Hwang	CEO	-86.1K	₩2,925	+40.2%	₩252M ($175K)
2024-06-11	SELL	기타	황영규 Younggyu Hwang	CEO	-43.0K	₩2,925	+40.2%	₩126M ($87K)
2024-06-11	SELL	기타	황영규 Younggyu Hwang	CEO	-17.2K	₩2,925	+40.2%	₩50M ($35K)
2024-06-11	SELL	기타	황영규 Younggyu Hwang	CEO	-86.1K	₩2,925	+40.2%	₩252M ($175K)
2024-05-22	BUY	자사주상여금	김용호 Yongho Kim	VP	8.0K	₩3,052	-42.7%	₩24M ($17K)

Frequently asked questions

Who has been buying Alchera stock?: 6 distinct insiders have filed 11 disclosed insider purchases in Alchera (347860), most recently on 2026-06-23. 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 Alchera have?: Alchera has 11 buy-side and 1 sell-side disclosures on record, covering ₩407M ($283K) in total reported value, spanning 2024-05-22 to 2026-06-23.
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.