Who has been buying POSCO DX stock?

4 distinct insiders have filed 13 disclosed insider purchases in POSCO DX (022100), most recently on 2026-06-30. 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 POSCO DX have?

POSCO DX has 13 buy-side and 0 sell-side disclosures on record, covering ₩47M ($32K) in total reported value, spanning 2025-01-02 to 2026-06-30.

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.

POSCO DX 022100

Company

포스코DXPOSCO DX

Insiders

Buys

Total Value

₩47M ($32K)

Avg Return

+43.04%

Last Filing

2026-06-30

POSCO DX (022100) has 13 disclosed insider purchases and 0 disclosed disposals on record, filed by 4 distinct insiders. Together those filings cover ₩47M ($32K) in reported transaction value. The earliest filing StockDrifts holds for POSCO DX is dated 2025-01-02; the most recent is 2026-06-30. Across these filings the average return since disclosure is +43.04%, 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
2026-09-07	SELL	시간외매매	POSCO홀딩스 POSCO Holdings	-	-23.4M	-	-	-
2026-08-03	BUY	Market Buy	김미영 Miyoung Kim	Managing Director	1.0K	₩19,230	+7.9%	₩17M ($12K)
2026-07-21	BUY	Market Buy	김미영 Miyoung Kim	Managing Director	500	₩17,600	+9.2%	₩9M ($6K)
2026-06-30	BUY	Market Buy	심민석 Minseok Shim	CEO and President	251	₩21,650	-1.4%	₩5M ($4K)
2026-06-25	BUY	Market Buy	김미영 Miyoung Kim	Managing Director	902	₩21,850	-7.5%	₩20M ($14K)
2026-06-11	BUY	Market Buy	김미영 Miyoung Kim	Managing Director	1.0K	-	-	-
2026-02-26	BUY	Market Buy	이민헌 Lee Min-heon	Managing Director	10	-	-	-
2026-02-25	BUY	Market Buy	이민헌 Lee Min-heon	Managing Director	32	-	-	-
2026-02-20	BUY	Market Buy	이민헌 Lee Min-heon	Managing Director	46	-	-	-
2026-02-20	BUY	Market Buy	심민석 Minseok Shim	CEO and President	128	-	-	-
2026-02-19	BUY	Market Buy	최태환 Taehwan Choi	Internal director	133	₩39,050	-3.5%	₩5M ($4K)
2025-08-05	BUY	Market Buy	최태환 Taehwan Choi	Internal director	444	₩23,500	+60.4%	₩10M ($7K)
2025-08-05	BUY	Market Buy	심민석 Minseok Shim	CEO and President	220	₩23,500	+60.4%	₩5M ($4K)
2025-04-01	BUY	Market Buy	심민석 Minseok Shim	CEO and President	10	₩24,350	+54.8%	₩244K ($169)
2025-03-05	BUY	Market Buy	심민석 Minseok Shim	CEO and President	10	₩22,200	+69.8%	₩222K ($154)
2025-02-03	BUY	Market Buy	심민석 Minseok Shim	CEO and President	13	₩17,850	+111.2%	₩232K ($161)
2025-01-02	BUY	신규선임	심민석 Minseok Shim	president	209	₩19,300	+95.3%	₩4M ($3K)

Frequently asked questions

Who has been buying POSCO DX stock?: 4 distinct insiders have filed 13 disclosed insider purchases in POSCO DX (022100), most recently on 2026-06-30. 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 POSCO DX have?: POSCO DX has 13 buy-side and 0 sell-side disclosures on record, covering ₩47M ($32K) in total reported value, spanning 2025-01-02 to 2026-06-30.
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.