Who has been buying TPC stock?

2 distinct insiders have filed 1 disclosed insider purchases in TPC (048770), most recently on 2026-03-10. 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 TPC have?

TPC has 1 buy-side and 1 sell-side disclosures on record, covering ₩29M ($20K) in total reported value, spanning 2022-01-06 to 2026-03-10.

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.

TPC 048770

Company

TPC

Insiders

Buys

Total Value

₩29M ($20K)

Avg Return

+32.19%

Last Filing

2026-03-10

TPC (048770) has 1 disclosed insider purchases and 1 disclosed disposals on record, filed by 2 distinct insiders. Together those filings cover ₩29M ($20K) in reported transaction value. The earliest filing StockDrifts holds for TPC is dated 2022-01-06; the most recent is 2026-03-10. Across these filings the average return since disclosure is +32.19%, 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
2026-03-10	SELL	증여	엄재웅 Jaewoong Eom	moving	-150.0K	-	-	-
2026-03-10	BUY	수증	Uhm lawrence	moving	150.0K	-	-	-
2025-10-30	SELL	임원퇴임	오태환 Taehwan Oh	moving	-4.7K	₩2,130	-60.8%	₩10M ($7K)
2025-10-30	SELL	임원퇴임	정철호 Jeong Cheol-ho	Managing Director	-10.3K	₩2,130	-60.8%	₩22M ($15K)
2025-10-27	SELL	증여	엄재윤 Jaeyoon Eom	CEO Vice Chairman	-157.0K	₩2,205	-55.3%	₩346M ($240K)
2025-01-24	BUY	수증	Uhm lawrence	moving	45.0K	₩2,425	+41.2%	₩109M ($76K)
2025-01-24	SELL	증여	엄재웅 Jaewoong Eom	moving	-135.0K	₩2,425	-41.2%	₩327M ($227K)
2024-11-22	BUY	신규선임	Uhm lawrence	moving	1.1M	₩2,080	+64.7%	₩2.2B ($1.5M)
2024-11-18	SELL	임원퇴임	신현태 Hyuntae Shin	Managing Director	-20.5K	₩2,100	-63.1%	₩43M ($30K)
2024-08-29	SELL	대여	김석진 Seokjin Kim	Managing Director	-93	₩2,925	-17.1%	₩272K ($189)
2024-08-05	BUY	Market Buy	엄재윤 Jaeyoon Eom	CEO Vice Chairman	7.0K	₩2,660	+28.8%	₩19M ($13K)
2023-12-27	BUY	기타	김석진 Seokjin Kim	Managing Director	258	₩3,230	+6.0%	₩833K ($579)
2023-08-31	SELL	대여	김석진 Seokjin Kim	Managing Director	-1.1K	₩5,040	+32.0%	₩5M ($4K)
2023-08-14	SELL	대여	김석진 Seokjin Kim	Managing Director	-2.8K	₩4,510	+24.1%	₩13M ($9K)
2023-02-24	SELL	대여	김석진 Seokjin Kim	Managing Director	-2.0K	₩3,780	+9.4%	₩8M ($5K)
2023-01-31	SELL	대여	김석진 Seokjin Kim	Managing Director	-1.0K	₩4,085	+16.2%	₩4M ($3K)
2022-01-06	SELL	Market Sell	김석진 Seokjin Kim	Managing Director	-2.0K	₩5,320	+35.6%	₩11M ($7K)

Frequently asked questions

Who has been buying TPC stock?: 2 distinct insiders have filed 1 disclosed insider purchases in TPC (048770), most recently on 2026-03-10. 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 TPC have?: TPC has 1 buy-side and 1 sell-side disclosures on record, covering ₩29M ($20K) in total reported value, spanning 2022-01-06 to 2026-03-10.
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.