Who has been buying Lycom stock?

4 distinct insiders have filed 0 disclosed insider purchases in Lycom (388790), most recently on 2026-04-24. 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 Lycom have?

Lycom has 0 buy-side and 21 sell-side disclosures on record, covering ₩150M ($104K) in total reported value, spanning 2024-05-29 to 2026-04-24.

Where does StockDrifts get Lycom 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.

Lycom 388790

Company

라이콤Lycom

Insiders

Buys

Total Value

₩150M ($104K)

Avg Return

-1.83%

Last Filing

2026-04-24

Lycom (388790) has 0 disclosed insider purchases and 21 disclosed disposals on record, filed by 4 distinct insiders. Together those filings cover ₩150M ($104K) in reported transaction value. The earliest filing StockDrifts holds for Lycom is dated 2024-05-29; the most recent is 2026-04-24. 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 -1.83%, 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
2026-04-24	SELL	임원퇴임	장우혁 Woohyuk Jang	Internal director	-262.5K	₩5,400	+2.8%	₩1.4B ($984K)
2026-03-18	SELL	Market Sell	장우혁 Woohyuk Jang	Internal director	-30.0K	-	-	-
2026-03-17	SELL	Market Sell	장우혁 Woohyuk Jang	Internal director	-30.0K	-	-	-
2026-03-17	SELL	Market Sell	장우혁 Woohyuk Jang	Internal director	-20.0K	-	-	-
2026-03-16	SELL	Market Sell	장우혁 Woohyuk Jang	Internal director	-30.0K	-	-	-
2026-03-16	SELL	Market Sell	장우혁 Woohyuk Jang	Internal director	-20.0K	-	-	-
2025-05-21	BUY	신규선임	허필주 Heo Pil-ju	moving	23.8K	₩2,570	+15.8%	₩61M ($43K)
2025-04-07	BUY	주식매수선택권	장우혁 Woohyuk Jang	Internal director	247.7K	₩2,155	+38.0%	₩534M ($371K)
2025-04-07	BUY	주식매수선택권	윤수영 Sooyoung Yoon	moving	85.7K	₩2,155	+38.0%	₩185M ($128K)
2025-04-07	BUY	주식매수선택권	최봉수 Bongsu Choi	moving	85.7K	₩2,155	+38.0%	₩185M ($128K)
2024-07-23	SELL	Market Sell	윤수영 Sooyoung Yoon	moving	-3.8K	₩3,780	+21.3%	₩14M ($10K)
2024-07-23	SELL	Market Sell	윤수영 Sooyoung Yoon	moving	-709	₩3,780	+21.3%	₩3M ($2K)
2024-07-23	SELL	Market Sell	윤수영 Sooyoung Yoon	moving	-1.1K	₩3,780	+21.3%	₩4M ($3K)
2024-07-23	SELL	Market Sell	윤수영 Sooyoung Yoon	moving	-180	₩3,780	+21.3%	₩680K ($473)
2024-06-28	SELL	Market Sell	최봉수 Bongsu Choi	moving	-5.0K	₩4,600	+35.3%	₩23M ($16K)
2024-05-31	SELL	Market Sell	정래성 Jeong Rae-seong	moving	-4.8K	₩2,745	-8.4%	₩13M ($9K)
2024-05-31	SELL	Market Sell	정래성 Jeong Rae-seong	moving	-5.0K	₩2,745	-8.4%	₩14M ($10K)
2024-05-31	SELL	Market Sell	정래성 Jeong Rae-seong	moving	-216	₩2,745	-8.4%	₩593K ($412)
2024-05-30	SELL	Market Sell	정래성 Jeong Rae-seong	moving	-1.2K	₩2,625	-13.3%	₩3M ($2K)
2024-05-30	SELL	Market Sell	정래성 Jeong Rae-seong	moving	-8.5K	₩2,625	-13.3%	₩22M ($15K)
2024-05-30	SELL	Market Sell	정래성 Jeong Rae-seong	moving	-10.3K	₩2,625	-13.3%	₩27M ($19K)
2024-05-30	SELL	Market Sell	정래성 Jeong Rae-seong	moving	-5.0K	₩2,625	-13.3%	₩13M ($9K)
2024-05-29	SELL	Market Sell	정래성 Jeong Rae-seong	moving	-1.8K	₩2,525	-17.8%	₩4M ($3K)
2024-05-29	SELL	Market Sell	정래성 Jeong Rae-seong	moving	-2.0K	₩2,525	-17.8%	₩5M ($4K)
2024-05-29	SELL	Market Sell	정래성 Jeong Rae-seong	moving	-798	₩2,525	-17.8%	₩2M ($1K)
2024-05-29	SELL	Market Sell	정래성 Jeong Rae-seong	moving	-406	₩2,525	-17.8%	₩1M ($712)

Frequently asked questions

Who has been buying Lycom stock?: 4 distinct insiders have filed 0 disclosed insider purchases in Lycom (388790), most recently on 2026-04-24. 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 Lycom have?: Lycom has 0 buy-side and 21 sell-side disclosures on record, covering ₩150M ($104K) in total reported value, spanning 2024-05-29 to 2026-04-24.
Where does StockDrifts get Lycom 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 Lycom. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.