Who has been buying Park Systems stock?

6 distinct insiders have filed 2 disclosed insider purchases in Park Systems (140860), most recently on 2026-04-30. 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 Park Systems have?

Park Systems has 2 buy-side and 18 sell-side disclosures on record, covering ₩1.8B ($1.2M) in total reported value, spanning 2024-03-04 to 2026-04-30.

Where does StockDrifts get Park Systems 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.

Park Systems 140860

Company

파크시스템스Park Systems

Insiders

Buys

Total Value

₩1.8B ($1.2M)

Avg Return

-35.96%

Last Filing

2026-04-30

Park Systems (140860) has 2 disclosed insider purchases and 18 disclosed disposals on record, filed by 6 distinct insiders. Together those filings cover ₩1.8B ($1.2M) in reported transaction value. The earliest filing StockDrifts holds for Park Systems is dated 2024-03-04; the most recent is 2026-04-30. 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 -35.96%, 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
2026-04-30	BUY	주식매수선택권	박기준 Park Ki-jun	Outside Director	1.0K	₩289,000	-8.0%	₩289M ($201K)
2026-04-09	BUY	Market Buy	조수인 assistant	Outside Director	40	₩229,000	+22.7%	₩9M ($6K)
2025-04-03	BUY	주식매수선택권	한정화 Jeonghwa Han	Outside Director	1.0K	₩208,500	+29.7%	₩209M ($145K)
2025-03-27	SELL	Market Sell	유영국 Yoo Young-guk	Managing Director	-1.0K	₩214,500	-26.1%	₩215M ($149K)
2025-01-13	SELL	Market Sell	한정화 Jeonghwa Han	Outside Director	-200	₩240,500	-12.5%	₩48M ($33K)
2024-11-12	SELL	Market Sell	조상준 Cho Sang-jun	Managing Director	-1.4K	₩214,500	-26.1%	₩297M ($206K)
2024-11-11	SELL	Market Sell	조상준 Cho Sang-jun	Managing Director	-95	₩214,000	-26.4%	₩20M ($14K)
2024-10-18	SELL	Market Sell	한정화 Jeonghwa Han	Outside Director	-200	₩211,000	-28.2%	₩42M ($29K)
2024-08-28	SELL	Market Sell	한정화 Jeonghwa Han	Outside Director	-300	₩186,000	-45.4%	₩56M ($39K)
2024-08-21	SELL	Market Sell	한정화 Jeonghwa Han	Outside Director	-500	₩195,800	-38.1%	₩98M ($68K)
2024-08-08	BUY	Market Buy	전상길 Jeon Sang-gil	Outside Director	234	₩185,500	+45.8%	₩43M ($30K)
2024-07-29	BUY	기타	조상준 Cho Sang-jun	Managing Director	1.5K	₩172,100	+57.2%	₩258M ($179K)
2024-07-05	SELL	Market Sell	전상길 Jeon Sang-gil	Outside Director	-415	₩192,900	-40.2%	₩80M ($56K)
2024-07-04	SELL	Market Sell	한정화 Jeonghwa Han	Outside Director	-300	₩198,400	-36.3%	₩60M ($41K)
2024-06-24	SELL	Market Sell	한정화 Jeonghwa Han	Outside Director	-300	₩184,000	-47.0%	₩55M ($38K)
2024-06-04	SELL	Market Sell	채승기 Chae Seung-gi	Outside Director	-500	₩187,600	-44.2%	₩94M ($65K)
2024-06-03	SELL	Market Sell	채승기 Chae Seung-gi	Outside Director	-500	₩181,000	-49.5%	₩91M ($63K)
2024-05-23	SELL	Market Sell	전상길 Jeon Sang-gil	Outside Director	-250	₩180,400	-49.9%	₩45M ($31K)
2024-04-30	BUY	주식매수선택권	전상길 Jeon Sang-gil	Outside Director	500	₩148,900	+81.7%	₩74M ($52K)
2024-04-30	BUY	주식매수선택권	한정화 Jeonghwa Han	Outside Director	2.0K	₩148,900	+81.7%	₩298M ($207K)
2024-04-10	SELL	Market Sell	채승기 Chae Seung-gi	Outside Director	-1.0K	₩168,000	-61.0%	₩168M ($117K)
2024-04-05	BUY	주식매수선택권	전상길 Jeon Sang-gil	Outside Director	1.5K	₩171,100	+58.1%	₩257M ($178K)
2024-04-05	BUY	주식매수선택권	김규식 Gyu-sik Kim	Outside Director	1.0K	₩171,100	+58.1%	₩171M ($119K)
2024-04-04	SELL	Market Sell	한정화 Jeonghwa Han	Outside Director	-200	₩170,500	-58.6%	₩34M ($24K)
2024-04-03	SELL	Market Sell	한정화 Jeonghwa Han	Outside Director	-100	₩165,000	-63.9%	₩17M ($11K)
2024-04-02	SELL	Market Sell	한정화 Jeonghwa Han	Outside Director	-100	₩170,500	-58.6%	₩17M ($12K)
2024-03-26	SELL	Market Sell	유영국 Yoo Young-guk	Managing Director	-2.0K	₩154,100	-75.5%	₩308M ($214K)
2024-03-15	BUY	주식매수선택권	채승기 Chae Seung-gi	Outside Director	2.0K	₩159,000	+70.1%	₩318M ($221K)
2024-03-04	BUY	주식매수선택권	한정화 Jeonghwa Han	Outside Director	2.0K	₩177,000	+52.8%	₩354M ($246K)

Frequently asked questions

Who has been buying Park Systems stock?: 6 distinct insiders have filed 2 disclosed insider purchases in Park Systems (140860), most recently on 2026-04-30. 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 Park Systems have?: Park Systems has 2 buy-side and 18 sell-side disclosures on record, covering ₩1.8B ($1.2M) in total reported value, spanning 2024-03-04 to 2026-04-30.
Where does StockDrifts get Park Systems 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 Park Systems. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.