Who has been buying Heerim stock?

1 distinct insiders have filed 15 disclosed insider purchases in Heerim (037440), 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 Heerim have?

Heerim has 15 buy-side and 0 sell-side disclosures on record, covering ₩546M ($379K) in total reported value, spanning 2024-03-13 to 2026-07-01.

Where does StockDrifts get Heerim insider data?

From DART D001/D002 insider disclosures — the official filing system run by the Financial Supervisory Service (Korea). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from DART.

Do insider buys in Korean stocks predict returns?

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

Heerim 037440

Company

희림Heerim

Insiders

Buys

Total Value

₩546M ($379K)

Avg Return

-14.97%

Last Filing

2026-07-01

Heerim (037440) has 15 disclosed insider purchases and 0 disclosed disposals on record, filed by 1 distinct insiders. Together those filings cover ₩546M ($379K) in reported transaction value. The earliest filing StockDrifts holds for Heerim is dated 2024-03-13; the most recent is 2026-07-01. All of it is parsed from DART D001/D002 insider disclosures, the official disclosure system operated by the Financial Supervisory Service (Korea). Across these filings the average return since disclosure is -14.97%, 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
2026-08-04	BUY	Market Buy	정영균 Youngkyun Jeong	Chairman of the Board of Directors	11.8K	₩3,840	+0.0%	₩42M ($29K)
2026-07-31	BUY	Market Buy	정영균 Youngkyun Jeong	Chairman of the Board of Directors	31.1K	₩3,575	+7.4%	₩105M ($73K)
2026-07-23	BUY	Market Buy	정영균 Youngkyun Jeong	Chairman of the Board of Directors	14.4K	₩3,750	-2.9%	₩51M ($35K)
2026-07-22	BUY	Market Buy	정영균 Youngkyun Jeong	Chairman of the Board of Directors	13.5K	₩3,550	+2.5%	₩48M ($33K)
2026-07-01	BUY	Market Buy	정영균 Youngkyun Jeong	Chairman of the Board of Directors	12.9K	-	-	-
2026-06-30	BUY	Market Buy	정영균 Youngkyun Jeong	Chairman of the Board of Directors	14.1K	-	-	-
2026-03-10	BUY	Market Buy	정영균 Youngkyun Jeong	Chairman of the Board of Directors	10.0K	-	-	-
2026-03-09	BUY	Market Buy	정영균 Youngkyun Jeong	Chairman of the Board of Directors	25.0K	-	-	-
2026-03-09	BUY	자사주상여금	권기재 Kijae Kwon	business representative	12.0K	-	-	-
2026-03-09	BUY	자사주상여금	이지훈 Jihoon Lee	General representative	10.0K	-	-	-
2026-03-09	BUY	자사주상여금	송영기 Song Youngki	General representative	10.0K	-	-	-
2025-04-10	BUY	Market Buy	정영균 Youngkyun Jeong	Chairman of the Board of Directors	14.0K	₩4,840	-7.2%	₩68M ($47K)
2025-04-09	BUY	Market Buy	정영균 Youngkyun Jeong	Chairman of the Board of Directors	7.0K	₩4,550	-1.3%	₩32M ($22K)
2025-03-25	SELL	임원퇴임	이목운 Lee Mok-un	vice president	-213.6K	₩5,060	+11.3%	₩1.1B ($750K)
2025-03-25	SELL	임원퇴임	허철호 Heo Cheol-ho	president	-18.6K	₩5,060	+11.3%	₩94M ($65K)
2024-12-12	BUY	Market Buy	정영균 Youngkyun Jeong	Chairman	7.0K	₩4,970	-9.7%	₩35M ($24K)
2024-12-11	BUY	Market Buy	정영균 Youngkyun Jeong	Chairman	15.0K	₩5,020	-10.6%	₩75M ($52K)
2024-10-29	BUY	Market Buy	정영균 Youngkyun Jeong	Chairman	9.3K	₩4,580	-2.0%	₩43M ($30K)
2024-10-28	BUY	Market Buy	정영균 Youngkyun Jeong	Chairman	12.5K	₩4,560	-1.5%	₩57M ($40K)
2024-10-25	BUY	Market Buy	정영균 Youngkyun Jeong	Chairman	103	₩4,530	-0.9%	₩467K ($324)
2024-04-18	BUY	Market Buy	정영균 Youngkyun Jeong	Chairman	7.1K	₩6,430	-30.2%	₩46M ($32K)
2024-04-17	BUY	Market Buy	정영균 Youngkyun Jeong	Chairman	7.9K	₩6,420	-30.1%	₩51M ($35K)
2024-03-26	BUY	신규선임	권기재 Kijae Kwon	Division head	15.0K	₩6,700	-33.0%	₩101M ($70K)
2024-03-14	BUY	Market Buy	정영균 Youngkyun Jeong	Chairman	12.0K	₩6,920	-35.1%	₩83M ($58K)
2024-03-13	BUY	Market Buy	정영균 Youngkyun Jeong	Chairman	8.0K	₩7,030	-36.1%	₩56M ($39K)

Frequently asked questions

Who has been buying Heerim stock?: 1 distinct insiders have filed 15 disclosed insider purchases in Heerim (037440), 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 Heerim have?: Heerim has 15 buy-side and 0 sell-side disclosures on record, covering ₩546M ($379K) in total reported value, spanning 2024-03-13 to 2026-07-01.
Where does StockDrifts get Heerim insider data?: From DART D001/D002 insider disclosures — the official filing system run by the Financial Supervisory Service (Korea). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from DART.
Do insider buys in Korean stocks predict returns?: Not uniformly. StockDrifts analysed 170,720 share-count changes across 56,930 Korean DART filings using cross-sectional alpha at fixed forward horizons, and found returns concentrated in particular signal tiers rather than in insider buying generally.

Source filings

Every trade listed above is disclosed in DART D001/D002 insider disclosures, filed with the Financial Supervisory Service (Korea). View the original DART filings for Heerim. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.