Who has been buying Daishin Securities stock?

1 distinct insiders have filed 3 disclosed insider purchases in Daishin Securities (003540), most recently on 2026-07-02. 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 Daishin Securities have?

Daishin Securities has 3 buy-side and 0 sell-side disclosures on record, covering ₩271M ($188K) in total reported value, spanning 2024-02-20 to 2026-07-02.

Where does StockDrifts get Daishin Securities 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.

Daishin Securities 003540

Company

대신증권Daishin Securities

Insiders

Buys

Total Value

₩271M ($188K)

Avg Return

-0.39%

Last Filing

2026-07-02

Daishin Securities (003540) has 3 disclosed insider purchases and 0 disclosed disposals on record, filed by 1 distinct insiders. Together those filings cover ₩271M ($188K) in reported transaction value. The earliest filing StockDrifts holds for Daishin Securities is dated 2024-02-20; the most recent is 2026-07-02. 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 -0.39%, 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
2026-07-02	BUY	Market Buy	진승욱 Seungwook Jin	CEO	1.0K	-	-	-
2026-04-29	BUY	Market Buy	진승욱 Seungwook Jin	CEO	4.0K	₩38,600	+0.0%	₩154M ($107K)
2026-04-28	BUY	Market Buy	진승욱 Seungwook Jin	CEO	3.0K	₩38,900	-0.8%	₩117M ($81K)
2026-02-20	BUY	PROGRAM	양지환 Jihwan Yang	Managing Director	142	₩49,000	-4.9%	₩7M ($5K)
2026-02-20	BUY	PROGRAM	윤병권 Byeong-kwon Yoon	Managing Director	400	₩49,000	-4.9%	₩20M ($14K)
2026-02-20	BUY	PROGRAM	윤태림 Tae-rim Yoon	Managing Director	310	₩49,000	-4.9%	₩15M ($11K)
2026-02-20	BUY	PROGRAM	한지섭 Han Ji-seop	Managing Director	515	₩49,000	-4.9%	₩25M ($18K)
2026-02-20	BUY	PROGRAM	이중헌 Lee Jung-heon	Managing Director	509	₩49,000	-4.9%	₩25M ($17K)
2026-02-20	BUY	PROGRAM	이선영 Seonyoung Lee	Managing Director	925	₩49,000	-4.9%	₩45M ($31K)
2026-02-20	BUY	PROGRAM	남상구 Nam Sang-gu	Managing Director	905	₩49,000	-4.9%	₩44M ($31K)
2026-02-20	BUY	PROGRAM	김현복 Hyunbok Kim	Managing Director	449	₩49,000	-4.9%	₩22M ($15K)
2026-02-20	BUY	PROGRAM	김영일 Kim Young-il	Managing Director	876	₩49,000	-4.9%	₩43M ($30K)
2026-02-20	BUY	PROGRAM	김명국 Kim Myeong-guk	Managing Director	432	₩49,000	-4.9%	₩21M ($15K)
2026-02-20	BUY	PROGRAM	김영천 Youngcheon Kim	Managing Director	905	₩49,000	-4.9%	₩44M ($31K)
2026-02-20	BUY	PROGRAM	김상혁 Sanghyuk Kim	Managing Director	393	₩49,000	-4.9%	₩19M ($13K)
2026-02-20	BUY	PROGRAM	정민욱 Minwook Jeong	Managing Director	466	₩49,000	-4.9%	₩23M ($16K)
2026-02-20	BUY	PROGRAM	김봉진 Bongjin Kim	Managing Director	905	₩49,000	-4.9%	₩44M ($31K)
2026-02-20	BUY	PROGRAM	최대경 Maximum view	Managing Director	925	₩49,000	-4.9%	₩45M ($31K)
2026-02-20	BUY	PROGRAM	최광철 Gwangcheol Choi	Managing Director	863	₩49,000	-4.9%	₩42M ($29K)
2026-02-20	BUY	PROGRAM	이현규 Hyeongyu Lee	Managing Director	936	₩49,000	-4.9%	₩46M ($32K)
2026-02-20	BUY	PROGRAM	김광혁 Gwanghyuk Kim	Managing Director	925	₩49,000	-4.9%	₩45M ($31K)
2026-02-20	BUY	PROGRAM	송종원 Song Jong-won	Managing Director	916	₩49,000	-4.9%	₩45M ($31K)
2026-02-20	BUY	PROGRAM	박석원 Park Seok-won	Managing Director	1.2K	₩49,000	-4.9%	₩61M ($42K)
2026-02-20	BUY	PROGRAM	박정환 Park Jeong-hwan	Managing Director	3.3K	₩49,000	-4.9%	₩163M ($113K)
2026-02-20	BUY	PROGRAM	신재범 Jaebeom Shin	Managing Director	1.0K	₩49,000	-4.9%	₩49M ($34K)
2026-02-20	BUY	PROGRAM	강준규 Kang Jun-gyu	Managing Director	981	₩49,000	-4.9%	₩48M ($33K)
2026-02-20	BUY	PROGRAM	나유석 Na Yu-seok	Managing Director	724	₩49,000	-4.9%	₩35M ($25K)
2026-02-20	BUY	PROGRAM	홍종국 Hong Jong-guk	Managing Director	967	₩49,000	-4.9%	₩47M ($33K)
2026-02-20	BUY	PROGRAM	김수창 Soochang Kim	Managing Director	951	₩49,000	-4.9%	₩47M ($32K)
2026-02-20	BUY	PROGRAM	이순남 Soonnam Lee	Managing Director	1.0K	₩49,000	-4.9%	₩49M ($34K)
2026-02-20	BUY	PROGRAM	강윤기 Kang Yoon-gi	Managing Director	1.1K	₩49,000	-4.9%	₩55M ($38K)
2026-02-20	BUY	PROGRAM	정연우 Yeonwoo Jeong	Managing Director	2.0K	₩49,000	-4.9%	₩96M ($67K)
2026-02-20	BUY	PROGRAM	권택현 Taekhyun Kwon	Managing Director	248	₩49,000	-4.9%	₩12M ($8K)
2026-02-20	BUY	PROGRAM	박성준 Seongjun Park	vice president	1.3K	₩49,000	-4.9%	₩65M ($45K)
2026-02-20	BUY	PROGRAM	길기모 Long fleece	vice president	985	₩49,000	-4.9%	₩48M ($34K)
2026-02-20	BUY	PROGRAM	정회민 Hoemin Jeong	Head of Director Treatment Department	220	₩49,000	-4.9%	₩11M ($7K)
2026-02-20	BUY	PROGRAM	김성균 Seonggyun Kim	Managing Director	876	₩49,000	-4.9%	₩43M ($30K)
2026-02-20	BUY	PROGRAM	진승욱 Seungwook Jin	vice president	1.1K	₩49,000	-4.9%	₩53M ($37K)
2026-02-20	BUY	PROGRAM	정헌식 Jeong Heon-sik	Managing Director	312	₩49,000	-4.9%	₩15M ($11K)
2025-12-30	BUY	PROGRAM	김광혁 Gwanghyuk Kim	Managing Director	1.0K	₩27,000	+72.6%	₩28M ($19K)
2025-12-30	BUY	PROGRAM	박석원 Park Seok-won	Managing Director	8.1K	₩27,000	+72.6%	₩219M ($152K)
2025-12-30	BUY	PROGRAM	윤병권 Byeong-kwon Yoon	Managing Director	5.7K	₩27,000	+72.6%	₩155M ($108K)
2025-12-30	BUY	PROGRAM	남상구 Nam Sang-gu	Managing Director	25	₩27,000	+72.6%	₩675K ($469)
2025-12-30	BUY	PROGRAM	정회민 Hoemin Jeong	Head of Director Treatment Department	398	₩27,000	+72.6%	₩11M ($7K)
2025-12-30	BUY	PROGRAM	이선영 Seonyoung Lee	Managing Director	81	₩27,000	+72.6%	₩2M ($2K)
2025-12-30	BUY	PROGRAM	김영천 Youngcheon Kim	Managing Director	368	₩27,000	+72.6%	₩10M ($7K)
2025-12-30	BUY	PROGRAM	김명국 Kim Myeong-guk	Managing Director	777	₩27,000	+72.6%	₩21M ($15K)
2025-12-30	BUY	PROGRAM	김상혁 Sanghyuk Kim	Managing Director	1.8K	₩27,000	+72.6%	₩49M ($34K)
2025-12-30	BUY	PROGRAM	김현복 Hyunbok Kim	Managing Director	352	₩27,000	+72.6%	₩10M ($7K)
2025-12-30	BUY	PROGRAM	김봉진 Bongjin Kim	Managing Director	2.0K	₩27,000	+72.6%	₩53M ($37K)

Showing the 50 most recent of 187 filings.

Frequently asked questions

Who has been buying Daishin Securities stock?: 1 distinct insiders have filed 3 disclosed insider purchases in Daishin Securities (003540), most recently on 2026-07-02. 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 Daishin Securities have?: Daishin Securities has 3 buy-side and 0 sell-side disclosures on record, covering ₩271M ($188K) in total reported value, spanning 2024-02-20 to 2026-07-02.
Where does StockDrifts get Daishin Securities 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 Daishin Securities. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.