Who has been buying Gyeryong Construction Industry stock?

0 distinct insiders have filed 0 disclosed insider purchases in Gyeryong Construction Industry (013580), most recently on 2026-06-04. 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 Gyeryong Construction Industry have?

Gyeryong Construction Industry has 0 buy-side and 0 sell-side disclosures on record, spanning 2025-12-23 to 2026-06-04.

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.

Gyeryong Construction Industry 013580

Company

계룡건설산업Gyeryong Construction Industry

Insiders

Buys

Total Value

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Avg Return

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Last Filing

2026-06-04

Gyeryong Construction Industry (013580) has 0 disclosed insider purchases and 0 disclosed disposals on record, filed by 0 distinct insiders. The earliest filing StockDrifts holds for Gyeryong Construction Industry is dated 2025-12-23; the most recent is 2026-06-04.

Price & insider activity (12 months)

Recent insider trades

Date	Type	Source	Insider	Position	Shares	Price at filing	Return	Value
2026-06-04	BUY	상속	이승찬 Seungchan Lee	Chairman	17.3K	₩20,500	-2.4%	₩354M ($246K)
2026-01-01	BUY	자사주상여금	전해광 electrolytic light	Assistant Managing Director	170	₩20,300	+44.6%	₩3M ($2K)
2026-01-01	BUY	자사주상여금	김대호 Kim Dae-ho	Assistant Managing Director	170	₩20,300	+44.6%	₩3M ($2K)
2026-01-01	BUY	자사주상여금	홍석중 Hong Seok-jung	Assistant Managing Director	170	₩20,300	+44.6%	₩3M ($2K)
2026-01-01	BUY	자사주상여금	정일형 Jeong Il-hyung	Assistant Managing Director	170	₩20,300	+44.6%	₩3M ($2K)
2025-12-23	BUY	PROGRAM	진중길 Jinjung-gil	Assistant Managing Director	500	₩20,800	+41.1%	₩10M ($7K)
2025-12-23	BUY	PROGRAM	권호남 Kwon Ho-nam	Managing Director	1.0K	₩20,800	+41.1%	₩21M ($14K)
2025-12-23	BUY	PROGRAM	천만봉 10 million bong	Assistant Managing Director	500	₩20,800	+41.1%	₩10M ($7K)
2025-12-23	BUY	PROGRAM	김영일 Kim Young-il	Assistant Managing Director	500	₩20,800	+41.1%	₩10M ($7K)
2025-12-23	BUY	PROGRAM	김기풍 Kim Ki-poong	Managing Director	650	₩20,800	+41.1%	₩14M ($9K)
2025-12-23	BUY	PROGRAM	김기원 Kim Hee-won	Managing Director	650	₩20,800	+41.1%	₩14M ($9K)
2025-12-23	BUY	PROGRAM	김택중 Taekjung Kim	vice president	1.1K	₩20,800	+41.1%	₩23M ($16K)
2025-12-23	BUY	PROGRAM	김용남 Yongnam Kim	Assistant Managing Director	500	₩20,800	+41.1%	₩10M ($7K)
2025-12-23	BUY	PROGRAM	김현일 Hyunil Kim	Assistant Managing Director	500	₩20,800	+41.1%	₩10M ($7K)
2025-12-23	BUY	PROGRAM	송준섭 Song Jun-seop	Assistant Managing Director	500	₩20,800	+41.1%	₩10M ($7K)
2025-12-23	BUY	PROGRAM	서동욱 Seo Dong-wook	Assistant Managing Director	500	₩20,800	+41.1%	₩10M ($7K)
2025-12-23	BUY	PROGRAM	박정규 Park Jeong-gyu	Assistant Managing Director	500	₩20,800	+41.1%	₩10M ($7K)
2025-12-23	BUY	PROGRAM	박창길 Park Chang-gil	Assistant Managing Director	500	₩20,800	+41.1%	₩10M ($7K)
2025-12-23	BUY	PROGRAM	안석준 Seokjun Ahn	Managing Director	1.0K	₩20,800	+41.1%	₩21M ($14K)
2025-12-23	BUY	PROGRAM	나형근 Na Hyeong-geun	Managing Director	650	₩20,800	+41.1%	₩14M ($9K)
2025-12-23	BUY	PROGRAM	양광모 Yang Gwang-mo	Managing Director	650	₩20,800	+41.1%	₩14M ($9K)
2025-12-23	BUY	PROGRAM	오양균 Oh Yang-gyun	Assistant Managing Director	500	₩20,800	+41.1%	₩10M ($7K)
2025-12-23	BUY	PROGRAM	양칠석 sheep tanabata	Assistant Managing Director	500	₩20,800	+41.1%	₩10M ($7K)
2025-12-23	BUY	PROGRAM	오기섭 Oh Ki-seop	Managing Director	650	₩20,800	+41.1%	₩14M ($9K)
2025-12-23	BUY	PROGRAM	오원영 Wonyoung Oh	Managing Director	650	₩20,800	+41.1%	₩14M ($9K)
2025-12-23	BUY	PROGRAM	오태식 Oh Tae-sik	president	2.5K	₩20,800	+41.1%	₩52M ($36K)
2025-12-23	BUY	PROGRAM	이기욱 Kiwook Lee	Managing Director	650	₩20,800	+41.1%	₩14M ($9K)
2025-12-23	BUY	PROGRAM	원상일 Won Sang-il	Assistant Managing Director	500	₩20,800	+41.1%	₩10M ($7K)
2025-12-23	BUY	PROGRAM	이건 This is	Assistant Managing Director	500	₩20,800	+41.1%	₩10M ($7K)
2025-12-23	BUY	PROGRAM	이명기 Lee Myung-gi	Assistant Managing Director	500	₩20,800	+41.1%	₩10M ($7K)
2025-12-23	BUY	PROGRAM	윤길호 Gilho Yoon	president	2.5K	₩20,800	+41.1%	₩52M ($36K)
2025-12-23	BUY	PROGRAM	이승찬 Seungchan Lee	Chairman	9.9K	₩20,800	+41.1%	₩206M ($143K)
2025-12-23	BUY	PROGRAM	이병호 Lee Byung-ho	Managing Director	1.0K	₩20,800	+41.1%	₩21M ($14K)
2025-12-23	BUY	PROGRAM	전병규 Jeon Byeong-gyu	Assistant Managing Director	500	₩20,800	+41.1%	₩10M ($7K)
2025-12-23	BUY	PROGRAM	조용진 Cho Yong-jin	Assistant Managing Director	500	₩20,800	+41.1%	₩10M ($7K)
2025-12-23	BUY	PROGRAM	조명원 lighting source	vice president	1.1K	₩20,800	+41.1%	₩23M ($16K)
2025-12-23	BUY	PROGRAM	이은완 Eunwan Lee	Managing Director	750	₩20,800	+41.1%	₩16M ($11K)
2025-12-23	BUY	PROGRAM	강희관 Kang Hee-gwan	Managing Director	650	₩20,800	+41.1%	₩14M ($9K)
2025-12-23	BUY	PROGRAM	황두연 Duyeon Hwang	Assistant Managing Director	500	₩20,800	+41.1%	₩10M ($7K)
2025-12-23	BUY	PROGRAM	강별 By river	Assistant Managing Director	500	₩20,800	+41.1%	₩10M ($7K)
2025-12-23	BUY	PROGRAM	권용봉 Yongbong Kwon	vice president	1.1K	₩20,800	+41.1%	₩23M ($16K)

Frequently asked questions

Who has been buying Gyeryong Construction Industry stock?: 0 distinct insiders have filed 0 disclosed insider purchases in Gyeryong Construction Industry (013580), most recently on 2026-06-04. 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 Gyeryong Construction Industry have?: Gyeryong Construction Industry has 0 buy-side and 0 sell-side disclosures on record, spanning 2025-12-23 to 2026-06-04.
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.