Who has been buying Seoul Food Industry stock?

2 distinct insiders have filed 6 disclosed insider purchases in Seoul Food Industry (004410), most recently on 2026-04-29. 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 Seoul Food Industry have?

Seoul Food Industry has 6 buy-side and 0 sell-side disclosures on record, covering ₩802M ($557K) in total reported value, spanning 2025-03-24 to 2026-04-29.

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.

Seoul Food Industry 004410

Company

서울식품공업Seoul Food Industry

Insiders

Buys

Total Value

₩802M ($557K)

Avg Return

+48.25%

Last Filing

2026-04-29

Seoul Food Industry (004410) has 6 disclosed insider purchases and 0 disclosed disposals on record, filed by 2 distinct insiders. Together those filings cover ₩802M ($557K) in reported transaction value. The earliest filing StockDrifts holds for Seoul Food Industry is dated 2025-03-24; the most recent is 2026-04-29. Across these filings the average return since disclosure is +48.25%, 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
2026-09-18	BUY	Market Buy	정필문 Jeong Pil-moon	-	45.0K	₩1,218	+0.0%	₩53M ($37K)
2026-09-17	BUY	Market Buy	정필문 Jeong Pil-moon	-	17.5K	₩1,218	+0.0%	₩21M ($15K)
2026-09-16	BUY	Market Buy	정필문 Jeong Pil-moon	-	26.9K	₩1,171	+4.0%	₩32M ($22K)
2026-09-15	BUY	Market Buy	정필문 Jeong Pil-moon	-	56.6K	₩1,184	+2.9%	₩70M ($49K)
2026-09-14	BUY	Market Buy	정필문 Jeong Pil-moon	-	26.9K	₩1,213	-2.4%	₩32M ($22K)
2026-09-11	BUY	Market Buy	정필문 Jeong Pil-moon	-	56.6K	₩1,234	-4.0%	₩70M ($49K)
2026-09-09	BUY	Market Buy	정필문 Jeong Pil-moon	-	9.0K	₩1,183	+0.1%	₩11M ($7K)
2026-09-04	BUY	Market Buy	정필문 Jeong Pil-moon	-	62.4K	₩1,241	+0.0%	₩79M ($55K)
2026-09-04	BUY	Market Buy	박순원 Park Soon-won	moving	14.0K	-	-	-
2026-09-03	BUY	Market Buy	정필문 Jeong Pil-moon	-	76.3K	₩1,234	+0.6%	₩95M ($66K)
2026-09-03	BUY	Market Buy	박순원 Park Soon-won	moving	10.0K	-	-	-
2026-09-02	BUY	Market Buy	정필문 Jeong Pil-moon	-	15.2K	₩1,270	-2.3%	₩19M ($13K)
2026-09-01	BUY	Market Buy	정필문 Jeong Pil-moon	-	100.5K	₩1,259	-1.4%	₩129M ($90K)
2026-08-31	BUY	Market Buy	정필문 Jeong Pil-moon	-	69.0K	₩1,255	-1.1%	₩87M ($61K)
2026-08-28	BUY	Market Buy	정필문 Jeong Pil-moon	-	157.0K	₩1,267	-2.0%	₩191M ($133K)
2026-08-27	BUY	Market Buy	정필문 Jeong Pil-moon	-	84.3K	₩1,276	-2.7%	₩106M ($74K)
2026-08-26	BUY	Market Buy	정필문 Jeong Pil-moon	-	97.6K	₩1,219	+1.8%	₩120M ($83K)
2026-08-25	BUY	Market Buy	정필문 Jeong Pil-moon	-	74.7K	₩1,248	-0.6%	₩88M ($61K)
2026-08-24	BUY	Market Buy	정필문 Jeong Pil-moon	-	53.6K	₩1,259	-1.4%	₩64M ($44K)
2026-08-21	BUY	Market Buy	정필문 Jeong Pil-moon	-	114.0K	₩1,181	+5.1%	₩133M ($92K)
2026-08-21	BUY	Market Buy	서성훈 seonghun seo	Chairman	10.0K	₩1,259	+0.6%	₩12M ($8K)
2026-08-20	BUY	Market Buy	서성훈 seonghun seo	Chairman	15.0K	₩1,259	+0.6%	₩18M ($12K)
2026-08-20	BUY	Market Buy	정필문 Jeong Pil-moon	-	110.3K	₩1,185	+4.7%	₩129M ($90K)
2026-08-19	BUY	Market Buy	정필문 Jeong Pil-moon	-	5.0K	₩1,173	+5.8%	₩6M ($4K)
2026-08-10	BUY	Market Buy	정필문 Jeong Pil-moon	-	32.9K	₩1,093	+13.5%	₩35M ($24K)
2026-08-07	BUY	Market Buy	정필문 Jeong Pil-moon	-	10.0K	₩1,072	+15.8%	₩11M ($7K)
2026-08-05	BUY	Market Buy	정필문 Jeong Pil-moon	-	24	₩1,058	+17.3%	₩25K ($17)
2026-08-05	BUY	Market Buy	정필문 Jeong Pil-moon	-	25	₩1,058	+17.3%	₩26K ($18)
2026-08-05	BUY	Market Buy	정필문 Jeong Pil-moon	-	2.2K	₩1,058	+17.3%	₩2M ($2K)
2026-08-05	BUY	Market Buy	정필문 Jeong Pil-moon	-	10	₩1,058	+17.3%	₩10K ($7)
2026-08-05	BUY	Market Buy	정필문 Jeong Pil-moon	-	15.0K	₩1,058	+17.3%	₩16M ($11K)
2026-08-05	BUY	Market Buy	정필문 Jeong Pil-moon	-	619	₩1,058	+17.3%	₩645K ($448)
2026-08-05	BUY	Market Buy	정필문 Jeong Pil-moon	-	15.5K	₩1,058	+17.3%	₩16M ($11K)
2026-08-05	BUY	Market Buy	정필문 Jeong Pil-moon	-	1.5K	₩1,058	+17.3%	₩2M ($1K)
2026-08-05	BUY	Market Buy	정필문 Jeong Pil-moon	-	254	₩1,058	+17.3%	₩266K ($185)
2026-08-05	BUY	Market Buy	정필문 Jeong Pil-moon	-	5.2K	₩1,058	+17.3%	₩5M ($4K)
2026-08-05	BUY	Market Buy	정필문 Jeong Pil-moon	-	1	₩1,058	+17.3%	₩1K ($1)
2026-08-05	BUY	Market Buy	정필문 Jeong Pil-moon	-	55	₩1,058	+17.3%	₩57K ($40)
2026-08-05	BUY	Market Buy	정필문 Jeong Pil-moon	-	178	₩1,058	+17.3%	₩180K ($125)
2026-08-05	BUY	Market Buy	정필문 Jeong Pil-moon	-	168	₩1,058	+17.3%	₩339K ($236)
2026-08-05	BUY	Market Buy	정필문 Jeong Pil-moon	-	71	₩1,058	+17.3%	₩73K ($51)
2026-08-05	BUY	Market Buy	정필문 Jeong Pil-moon	-	331	₩1,058	+17.3%	₩347K ($241)
2026-08-05	BUY	Market Buy	정필문 Jeong Pil-moon	-	12	₩1,058	+17.3%	₩12K ($9)
2026-08-05	BUY	Market Buy	정필문 Jeong Pil-moon	-	687	₩1,058	+17.3%	₩721K ($500)
2026-08-05	BUY	Market Buy	정필문 Jeong Pil-moon	-	1.4K	₩1,058	+17.3%	₩1M ($982)
2026-08-05	BUY	Market Buy	정필문 Jeong Pil-moon	-	571	₩1,058	+17.3%	₩593K ($412)
2026-08-05	BUY	Market Buy	정필문 Jeong Pil-moon	-	71	₩1,058	+17.3%	₩73K ($51)
2026-08-05	BUY	Market Buy	정필문 Jeong Pil-moon	-	12	₩1,058	+17.3%	₩12K ($9)
2026-08-05	BUY	Market Buy	정필문 Jeong Pil-moon	-	20	₩1,058	+17.3%	₩21K ($14)
2026-08-05	BUY	Market Buy	정필문 Jeong Pil-moon	-	1.7K	₩1,058	+17.3%	₩2M ($1K)

Showing the 50 most recent of 200 filings.

Frequently asked questions

Who has been buying Seoul Food Industry stock?: 2 distinct insiders have filed 6 disclosed insider purchases in Seoul Food Industry (004410), most recently on 2026-04-29. 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 Seoul Food Industry have?: Seoul Food Industry has 6 buy-side and 0 sell-side disclosures on record, covering ₩802M ($557K) in total reported value, spanning 2025-03-24 to 2026-04-29.
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.