Who has been buying Sambo Industries stock?

1 distinct insiders have filed 0 disclosed insider purchases in Sambo Industries (009620), most recently on 2026-04-30. 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 Sambo Industries have?

Sambo Industries has 0 buy-side and 2 sell-side disclosures on record, covering ₩364M ($252K) in total reported value, spanning 2024-06-03 to 2026-04-30.

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.

Sambo Industries 009620

Company

삼보산업Sambo Industries

Insiders

Buys

Total Value

₩364M ($252K)

Avg Return

+29.81%

Last Filing

2026-04-30

Sambo Industries (009620) has 0 disclosed insider purchases and 2 disclosed disposals on record, filed by 1 distinct insiders. Together those filings cover ₩364M ($252K) in reported transaction value. The earliest filing StockDrifts holds for Sambo Industries is dated 2024-06-03; the most recent is 2026-04-30. Across these filings the average return since disclosure is +29.81%, 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
2026-09-01	SELL	주식병합	최재훈 Jaehoon Choi	CEO	-78.3K	-	-	-
2026-09-01	SELL	주식병합	이태용 Taeyong Lee	CEO	-3.9M	-	-	-
2026-07-29	BUY	Market Buy	최재훈 Jaehoon Choi	CEO	40.6K	₩987	-8.5%	₩37M ($26K)
2026-07-28	BUY	Market Buy	최재훈 Jaehoon Choi	CEO	43.8K	₩808	+11.8%	₩35M ($24K)
2026-07-27	BUY	Market Buy	최재훈 Jaehoon Choi	CEO	13.5K	₩801	+12.7%	₩11M ($8K)
2026-04-30	BUY	제3자배정유상증자	이태용 Taeyong Lee	CEO	1.1M	₩954	-11.6%	₩1.0B ($720K)
2025-01-31	BUY	제3자배정유상증자	이태용 Taeyong Lee	CEO	1.2M	₩2,340	-22.6%	₩2.9B ($2.0M)
2024-12-31	BUY	제3자배정유상증자	이태용 Taeyong Lee	CEO	389.2K	₩2,680	-32.5%	₩1.0B ($724K)
2024-12-27	SELL	Market Sell	이태용 Taeyong Lee	CEO	-60.0K	₩2,480	+27.0%	₩149M ($103K)
2024-12-26	SELL	Market Sell	이태용 Taeyong Lee	CEO	-80.0K	₩2,685	+32.6%	₩215M ($149K)
2024-11-22	SELL	자본감소	이태용 Taeyong Lee	CEO	-9.2M	₩1,309	-38.3%	₩12.0B ($8.4M)
2024-06-29	SELL	기타	이태용 Taeyong Lee	CEO	-3.7M	₩2,755	+34.3%	₩10.2B ($7.1M)
2024-06-29	BUY	유상신주취득	이태용 Taeyong Lee	CEO	3.7M	₩2,755	-34.3%	₩10.2B ($7.1M)
2024-06-03	BUY	기타	이태용 Taeyong Lee	CEO	3.7M	₩3,085	-41.3%	₩11.4B ($7.9M)

Frequently asked questions

Who has been buying Sambo Industries stock?: 1 distinct insiders have filed 0 disclosed insider purchases in Sambo Industries (009620), most recently on 2026-04-30. 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 Sambo Industries have?: Sambo Industries has 0 buy-side and 2 sell-side disclosures on record, covering ₩364M ($252K) in total reported value, spanning 2024-06-03 to 2026-04-30.
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.