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protea 303360

Company
프로티아protea
Insiders
4
Buys
22
Total Value
₩788M ($547K)
Avg Return
+35.55%
Last Filing
2026-04-09

protea (303360) has 22 disclosed insider purchases and 9 disclosed disposals on record, filed by 4 distinct insiders. Together those filings cover ₩788M ($547K) in reported transaction value. The earliest filing StockDrifts holds for protea is dated 2024-04-04; the most recent is 2026-04-09. 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 +35.55%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent insider trades

DateTypeSourceInsiderPositionSharesPrice at filingReturnValue
2026-04-09BUYMarket Buy
임진형
Im Jin-hyung
thanks3.0K₩4,635+7.9%₩14M ($10K)
2026-04-08SELLMarket Sell
최동섭
Choi Dong-seop
Managing Director-4.5K₩4,675-7.0%₩21M ($14K)
2026-04-07SELLMarket Sell
최동섭
Choi Dong-seop
Managing Director-2.7K₩4,460-12.1%₩12M ($8K)
2026-04-06SELLMarket Sell
최동섭
Choi Dong-seop
Managing Director-2.5K₩4,535-10.3%₩11M ($8K)
2026-04-03SELLMarket Sell
최동섭
Choi Dong-seop
Managing Director-3.3K₩4,480-11.6%₩15M ($10K)
2026-04-02SELLMarket Sell
최동섭
Choi Dong-seop
Managing Director-3.0K₩4,450-12.4%₩13M ($9K)
2026-03-31SELLMarket Sell
최동섭
Choi Dong-seop
Managing Director-3.0K₩4,410-13.4%₩13M ($9K)
2026-03-27SELLMarket Sell
최동섭
Choi Dong-seop
Managing Director-4.7K₩4,740-5.5%₩22M ($15K)
2026-03-26SELLMarket Sell
최동섭
Choi Dong-seop
Managing Director-1.5K₩4,670-7.1%₩7M ($5K)
2026-03-26BUY신규선임
이시혁
Sihyuk Lee
Outside Director4.8K₩4,670+7.1%₩22M ($16K)
2026-03-25SELLMarket Sell
최동섭
Choi Dong-seop
Managing Director-5.0K₩4,735-5.6%₩24M ($16K)
2026-03-10BUY주식매수청구권 행사
최동섭
Choi Dong-seop
Managing Director2.5K---
2026-03-09BUY기타
손순진
Sunjin Son
moving4.6K---
2025-10-29BUYMarket Buy
이영구
Younggu Lee
Outside Director33₩4,680+15.2%₩154K ($107)
2025-09-23BUYMarket Buy
이영구
Younggu Lee
Outside Director1.3K₩4,560+18.2%₩6M ($4K)
2025-09-15BUYMarket Buy
이영구
Younggu Lee
Outside Director703₩5,720-5.8%₩4M ($3K)
2025-09-11BUYMarket Buy
이영구
Younggu Lee
Outside Director80₩5,940-9.3%₩475K ($330)
2025-09-05BUYMarket Buy
이영구
Younggu Lee
Outside Director100₩5,220+3.3%₩522K ($363)
2025-09-02BUYMarket Buy
이영구
Younggu Lee
Outside Director200₩4,965+8.6%₩993K ($690)
2025-08-27BUY기타
김성태
Seongtae Kim
moving1.4K₩4,550+18.5%₩7M ($5K)
2025-04-03BUY기타
홍성이
Hongseong
Managing Director2.5K₩3,175+69.8%₩8M ($6K)
2025-01-06BUY신규선임
김태형
Taehyung Kim
Managing Director22.0K₩2,800+92.5%₩62M ($43K)
2024-11-22BUYMarket Buy
임진형
Im Jin-hyung
thanks8.0K₩2,615+106.1%₩21M ($15K)
2024-11-19BUYMarket Buy
임진형
Im Jin-hyung
thanks11.0K₩2,580+108.9%₩28M ($20K)
2024-08-26BUYMarket Buy
임국진
Gukjin Lim
CEO8.5K₩2,870+87.8%₩24M ($17K)
2024-08-23BUYMarket Buy
임국진
Gukjin Lim
CEO1.2K₩2,985+80.6%₩4M ($2K)
2024-08-21BUYMarket Buy
임국진
Gukjin Lim
CEO12.1K₩3,080+75.0%₩37M ($26K)
2024-07-04BUYMarket Buy
임국진
Gukjin Lim
CEO3.1K₩3,455+56.0%₩11M ($7K)
2024-07-03BUYMarket Buy
임국진
Gukjin Lim
CEO21.3K₩3,450+56.2%₩73M ($51K)
2024-07-02BUYMarket Buy
임국진
Gukjin Lim
CEO37.0K₩3,360+60.4%₩124M ($86K)
2024-07-01BUYMarket Buy
임국진
Gukjin Lim
CEO10.0K₩3,315+62.6%₩33M ($23K)
2024-05-28BUYMarket Buy
임국진
Gukjin Lim
CEO6.8K₩3,140+71.7%₩21M ($15K)
2024-05-27BUYMarket Buy
임국진
Gukjin Lim
CEO37.8K₩3,130+72.2%₩118M ($82K)
2024-05-24BUYMarket Buy
임국진
Gukjin Lim
CEO8.8K₩3,115+73.0%₩27M ($19K)
2024-05-23BUYMarket Buy
임국진
Gukjin Lim
CEO4.3K₩3,105+73.6%₩13M ($9K)
2024-05-22BUYMarket Buy
임국진
Gukjin Lim
CEO2.6K₩3,080+75.0%₩8M ($6K)
2024-04-04BUYMarket Buy
임진형
Im Jin-hyung
thanks28.0K₩2,840+89.8%₩80M ($55K)

Frequently asked questions

Who has been buying protea stock?
4 distinct insiders have filed 22 disclosed insider purchases in protea (303360), most recently on 2026-04-09. 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 protea have?
protea has 22 buy-side and 9 sell-side disclosures on record, covering ₩788M ($547K) in total reported value, spanning 2024-04-04 to 2026-04-09.
Where does StockDrifts get protea 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 protea. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.