Who has been buying Sajo Daerim stock?

5 distinct insiders have filed 40 disclosed insider purchases in Sajo Daerim (003960), most recently on 2026-07-16. 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 Sajo Daerim have?

Sajo Daerim has 40 buy-side and 1 sell-side disclosures on record, covering ₩9.8B ($6.8M) in total reported value, spanning 2024-04-17 to 2026-07-16.

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.

Sajo Daerim 003960

Company

사조대림Sajo Daerim

Insiders

Buys

Total Value

₩9.8B ($6.8M)

Avg Return

+0.34%

Last Filing

2026-07-16

Sajo Daerim (003960) has 40 disclosed insider purchases and 1 disclosed disposals on record, filed by 5 distinct insiders. Together those filings cover ₩9.8B ($6.8M) in reported transaction value. The earliest filing StockDrifts holds for Sajo Daerim is dated 2024-04-17; the most recent is 2026-07-16. Across these filings the average return since disclosure is +0.34%, 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	BUY	시간외매매	사조산업 Sajo Industry	-	141.1K	₩30,950	-0.5%	₩4.3B ($3.0M)
2026-09-01	SELL	시간외매매	주진우 Jinwoo Joo	cum audit committee member	-141.1K	₩30,950	+0.5%	₩4.3B ($3.0M)
2026-07-31	BUY	Market Buy	사조산업 Sajo Industry	-	4.0K	₩30,000	+0.0%	₩118M ($82K)
2026-07-30	BUY	Market Buy	사조산업 Sajo Industry	-	3.5K	₩29,050	+3.3%	₩103M ($72K)
2026-07-28	BUY	Market Buy	사조산업 Sajo Industry	-	2.5K	₩29,450	+1.9%	₩75M ($52K)
2026-07-27	BUY	Market Buy	사조산업 Sajo Industry	-	1.0K	₩30,600	+0.0%	₩30M ($21K)
2026-07-24	BUY	Market Buy	사조산업 Sajo Industry	-	4.0K	₩30,000	+0.0%	₩119M ($82K)
2026-07-23	BUY	Market Buy	사조산업 Sajo Industry	-	1.0K	₩30,050	-0.2%	₩30M ($21K)
2026-07-22	BUY	Market Buy	사조산업 Sajo Industry	-	3.8K	₩29,650	+1.2%	₩110M ($77K)
2026-07-16	BUY	Market Buy	사조산업 Sajo Industry	-	1.6K	₩29,600	+0.0%	₩48M ($33K)
2026-07-15	BUY	Market Buy	사조산업 Sajo Industry	-	3.9K	₩29,600	+0.0%	₩112M ($78K)
2026-07-14	BUY	Market Buy	사조산업 Sajo Industry	-	17.0K	₩29,150	+1.5%	₩504M ($350K)
2026-07-13	BUY	Market Buy	사조산업 Sajo Industry	-	2.8K	₩28,800	+2.8%	₩81M ($56K)
2026-07-10	BUY	Market Buy	사조산업 Sajo Industry	-	2.9K	₩29,850	-0.8%	₩85M ($59K)
2026-07-09	BUY	Market Buy	사조산업 Sajo Industry	-	900	₩29,500	+0.3%	₩26M ($18K)
2026-07-07	BUY	Market Buy	사조산업 Sajo Industry	-	5.4K	₩30,050	-1.5%	₩157M ($109K)
2026-07-06	BUY	Market Buy	사조산업 Sajo Industry	-	3.0K	₩29,950	-1.5%	₩90M ($62K)
2026-06-30	BUY	Market Buy	사조산업 Sajo Industry	-	7.8K	₩27,400	+7.7%	₩213M ($148K)
2026-06-29	BUY	Market Buy	사조산업 Sajo Industry	-	2.1K	₩27,250	+8.3%	₩58M ($40K)
2026-06-26	BUY	Market Buy	사조산업 Sajo Industry	-	2.3K	-	-	-
2026-06-25	BUY	Market Buy	사조산업 Sajo Industry	-	5.8K	-	-	-
2026-06-24	BUY	Market Buy	사조산업 Sajo Industry	-	1.3K	-	-	-
2026-06-23	BUY	Market Buy	사조산업 Sajo Industry	-	13.5K	-	-	-
2025-08-28	BUY	Market Buy	사조산업 Sajo Industry	-	1.1K	₩42,300	-7.7%	₩46M ($32K)
2025-08-26	BUY	Market Buy	사조산업 Sajo Industry	-	5.5K	₩41,400	-5.7%	₩229M ($159K)
2025-08-25	BUY	Market Buy	사조산업 Sajo Industry	-	3.6K	₩41,600	-6.1%	₩150M ($104K)
2025-08-22	BUY	Market Buy	사조산업 Sajo Industry	-	14.1K	₩41,050	-4.9%	₩577M ($401K)
2025-08-21	BUY	Market Buy	사조산업 Sajo Industry	-	15.9K	₩40,900	-4.5%	₩649M ($451K)
2025-08-20	BUY	Market Buy	사조산업 Sajo Industry	-	6.7K	₩40,950	-4.6%	₩275M ($191K)
2025-08-18	BUY	Market Buy	사조산업 Sajo Industry	-	8.5K	₩40,800	-4.3%	₩346M ($240K)
2025-08-05	BUY	Market Buy	사조산업 Sajo Industry	-	22.2K	₩40,500	-3.6%	₩898M ($624K)
2025-08-01	BUY	Market Buy	사조산업 Sajo Industry	-	833	₩40,200	-2.9%	₩33M ($23K)
2025-07-30	BUY	Market Buy	사조산업 Sajo Industry	-	3.7K	₩40,550	-3.7%	₩149M ($103K)
2025-07-28	BUY	Market Buy	사조산업 Sajo Industry	-	8.0K	₩41,100	-5.0%	₩329M ($228K)
2025-06-10	BUY	Market Buy	사조시스템즈 Sajo Systems	-	7.2K	₩43,800	-10.8%	₩315M ($219K)
2025-06-05	BUY	Market Buy	사조시스템즈 Sajo Systems	-	1.1K	₩41,650	-6.2%	₩46M ($32K)
2025-06-02	BUY	시간외매매	사조씨푸드 Sajo Seafood	-	90.0K	₩40,000	-2.4%	₩3.6B ($2.5M)
2025-06-02	BUY	시간외매매	사조시스템즈 Sajo Systems	-	50.0K	₩40,000	-2.4%	₩2.0B ($1.4M)
2025-05-26	BUY	Market Buy	사조시스템즈 Sajo Systems	-	9.0K	₩37,700	+3.6%	₩339M ($236K)
2025-05-22	BUY	Market Buy	사조시스템즈 Sajo Systems	-	6	₩38,150	+2.4%	₩229K ($159)
2025-05-21	BUY	Market Buy	사조시스템즈 Sajo Systems	-	1.2K	₩38,800	+0.6%	₩48M ($33K)
2025-05-20	BUY	Market Buy	사조시스템즈 Sajo Systems	-	20.6K	₩38,800	+0.6%	₩797M ($554K)
2025-05-12	BUY	Market Buy	주지홍 Joo Ji-hong	(Director of Research Institute)	2.7K	₩40,400	-3.3%	₩108M ($75K)
2025-04-09	BUY	Market Buy	주지홍 Joo Ji-hong	(Director of Research Institute)	1.1K	₩34,650	+12.7%	₩38M ($26K)
2025-04-09	BUY	Market Buy	주지홍 Joo Ji-hong	(Director of Research Institute)	2.7K	₩34,650	+12.7%	₩94M ($65K)
2025-04-08	BUY	Market Buy	주지홍 Joo Ji-hong	(Director of Research Institute)	4.5K	₩35,300	+10.6%	₩159M ($110K)
2024-12-30	BUY	시간외매매	주지홍 Joo Ji-hong	(Director of Research Institute)	85.0K	₩40,600	-3.8%	₩3.5B ($2.4M)
2024-11-19	BUY	Market Buy	주지홍 Joo Ji-hong	(Director of Research Institute)	450	₩41,200	-5.2%	₩19M ($13K)
2024-11-15	BUY	Market Buy	주지홍 Joo Ji-hong	(Director of Research Institute)	2.0K	₩40,600	-3.8%	₩81M ($56K)
2024-08-27	BUY	Market Buy	주지홍 Joo Ji-hong	(Director of Research Institute)	3.4K	₩58,300	-33.0%	₩198M ($138K)

Showing the 50 most recent of 56 filings.

Frequently asked questions

Who has been buying Sajo Daerim stock?: 5 distinct insiders have filed 40 disclosed insider purchases in Sajo Daerim (003960), most recently on 2026-07-16. 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 Sajo Daerim have?: Sajo Daerim has 40 buy-side and 1 sell-side disclosures on record, covering ₩9.8B ($6.8M) in total reported value, spanning 2024-04-17 to 2026-07-16.
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.