Who has been buying P.I.I. stock?

1 distinct insiders have filed 0 disclosed insider purchases in P.I.I. (452450), most recently on 2026-03-25. 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 P.I.I. have?

P.I.I. has 0 buy-side and 1 sell-side disclosures on record, covering ₩403M ($280K) in total reported value, spanning 2025-02-04 to 2026-03-25.

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.

P.I.I. 452450

Company

피아이이P.I.I.

Insiders

Buys

Total Value

₩403M ($280K)

Avg Return

+11.90%

Last Filing

2026-03-25

P.I.I. (452450) has 0 disclosed insider purchases and 1 disclosed disposals on record, filed by 1 distinct insiders. Together those filings cover ₩403M ($280K) in reported transaction value. The earliest filing StockDrifts holds for P.I.I. is dated 2025-02-04; the most recent is 2026-03-25. Across these filings the average return since disclosure is +11.90%, 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
2026-03-25	BUY	기타	장우진 Woojin Jang	Managing Director	150.0K	₩5,300	+23.6%	₩795M ($552K)
2026-02-26	BUY	기타	장우진 Woojin Jang	Managing Director	18.0K	-	-	-
2026-02-19	BUY	기타	이동철 Lee Dong-cheol	Managing Director	20.0K	₩6,210	-4.7%	₩124M ($86K)
2026-02-19	BUY	기타	김종신 Jongshin Kim	vice president	5.0K	₩6,210	-4.7%	₩31M ($22K)
2026-02-19	BUY	기타	윤형석 Hyungseok Yoon	vice president	5.0K	₩6,210	-4.7%	₩31M ($22K)
2026-02-11	SELL	Market Sell	장우진 Woojin Jang	Managing Director	-60.0K	₩6,720	+11.9%	₩403M ($280K)
2025-02-04	BUY	신규상장	윤형석 Hyungseok Yoon	vice president	6.0K	₩4,365	+35.6%	₩26M ($18K)
2025-02-04	BUY	신규상장	이유진 Yujin Lee	Managing Director	420.0K	₩4,365	+35.6%	₩1.8B ($1.3M)
2025-02-04	BUY	신규상장	장우진 Woojin Jang	Managing Director	75.0K	₩4,365	+35.6%	₩327M ($227K)
2025-02-04	BUY	신규상장	최정일 Choi Jeong-il	CEO	13.7M	₩4,365	+35.6%	₩59.7B ($41.4M)
2025-02-04	BUY	신규상장	김양훈 Kim Yang-hoon	vice president	975.0K	₩4,365	+35.6%	₩4.3B ($3.0M)

Frequently asked questions

Who has been buying P.I.I. stock?: 1 distinct insiders have filed 0 disclosed insider purchases in P.I.I. (452450), most recently on 2026-03-25. 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 P.I.I. have?: P.I.I. has 0 buy-side and 1 sell-side disclosures on record, covering ₩403M ($280K) in total reported value, spanning 2025-02-04 to 2026-03-25.
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.