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Samsung E&A 028050

Company
삼성E&ASamsung E&A
Insiders
11
Buys
32
Total Value
₩944M ($656K)
Avg Return
+55.11%
Last Filing
2026-05-12

Samsung E&A (028050) has 32 disclosed insider purchases and 3 disclosed disposals on record, filed by 11 distinct insiders. Together those filings cover ₩944M ($656K) in reported transaction value. The earliest filing StockDrifts holds for Samsung E&A is dated 2024-02-14; the most recent is 2026-05-12. 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 +55.11%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent insider trades

DateTypeSourceInsiderPositionSharesPrice at filingReturnValue
2026-05-12BUYMarket Buy
남궁홍
Namgung Hong
CEO and President862---
2026-05-08SELLMarket Sell
문승욱
Seungwook Moon
Outside Director-46---
2026-04-30BUYMarket Buy
문승욱
Seungwook Moon
Outside Director1₩53,100+0.0%₩53K ($37)
2026-04-29BUYMarket Buy
문승욱
Seungwook Moon
Outside Director45₩54,300-2.2%₩2M ($2K)
2026-01-08BUYMarket Buy
남궁홍
Namgung Hong
CEO and President1.8K₩24,000+48.8%₩44M ($31K)
2025-12-12SELLMarket Sell
이상윤
Lee Sang-yoon
Managing Director-600₩25,400-40.5%₩15M ($11K)
2025-12-05SELLMarket Sell
고제황
ancient emperor
Managing Director-5.0K₩25,950-37.6%₩131M ($91K)
2025-11-27BUY신규선임
윤혜연
Hyeyeon Yoon
Managing Director510₩25,800+38.4%₩13M ($9K)
2025-11-27BUY신규선임
안성찬
Seongchan Ahn
Managing Director893₩25,800+38.4%₩23M ($16K)
2025-04-22BUYMarket Buy
남궁홍
Namgung Hong
CEO and President1.0K₩18,850+89.4%₩19M ($13K)
2025-04-02BUYMarket Buy
남궁홍
Namgung Hong
CEO and President1.3K₩19,770+80.6%₩25M ($18K)
2025-02-04BUYMarket Buy
양승찬
Seungchan Yang
Managing Director1.1K₩18,070+97.6%₩20M ($14K)
2025-01-02BUYMarket Buy
남궁홍
Namgung Hong
CEO and President490₩16,800+112.5%₩8M ($6K)
2024-12-27BUYMarket Buy
남궁홍
Namgung Hong
CEO and President1.5K₩16,500+116.4%₩25M ($17K)
2024-12-04BUY신규선임
조유식
Jo Yoo-sik
Managing Director1.0K₩17,770+100.9%₩18M ($12K)
2024-12-04BUY신규선임
이동헌
Lee Dong-heon
Managing Director988₩17,770+100.9%₩18M ($12K)
2024-11-18BUYMarket Buy
남궁홍
Namgung Hong
CEO and President1.0K₩17,710+101.6%₩18M ($12K)
2024-11-04BUYMarket Buy
김동현
Donghyun Kim
vice president2.0K₩18,000+98.3%₩36M ($25K)
2024-10-30BUYMarket Buy
나창흠
Na Changheum
vice president1.5K₩18,230+95.8%₩27M ($19K)
2024-10-29BUYMarket Buy
정용석
Yongseok Jeong
Managing Director3.5K₩18,360+94.4%₩64M ($45K)
2024-10-24BUYMarket Buy
남궁홍
Namgung Hong
CEO and President1.1K₩19,820+80.1%₩22M ($15K)
2024-10-02BUYMarket Buy
남궁홍
Namgung Hong
CEO and President875₩21,650+64.9%₩19M ($13K)
2024-10-02BUYMarket Buy
최춘기
Choi Chun-gi
vice president1.0K₩21,650+64.9%₩22M ($15K)
2024-09-25BUYMarket Buy
남궁홍
Namgung Hong
CEO and President988₩24,150+47.8%₩24M ($17K)
2024-09-13BUYMarket Buy
남궁홍
Namgung Hong
CEO and President1.2K₩24,150+47.8%₩28M ($19K)
2024-08-09BUYMarket Buy
남궁홍
Namgung Hong
CEO and President198₩27,000+32.2%₩5M ($4K)
2024-06-17BUYMarket Buy
남궁홍
Namgung Hong
CEO and President1.7K₩22,200+60.8%₩37M ($25K)
2024-06-12BUYMarket Buy
최춘기
Choi Chun-gi
vice president1.0K₩23,000+55.2%₩23M ($16K)
2024-05-27BUYMarket Buy
남궁홍
Namgung Hong
CEO and President1.0K₩24,300+46.9%₩24M ($17K)
2024-04-29BUY기타
김대원
Daewon Kim
vice president9₩26,550+34.5%₩239K ($166)
2024-04-23BUYMarket Buy
남궁홍
Namgung Hong
CEO and President1.5K₩26,200+36.3%₩39M ($27K)
2024-03-27BUYMarket Buy
나창흠
Na Changheum
vice president1.1K₩24,900+43.4%₩27M ($19K)
2024-03-22BUYMarket Buy
김동현
Donghyun Kim
vice president1.5K₩24,650+44.8%₩37M ($26K)
2024-03-22BUYMarket Buy
최춘기
Choi Chun-gi
vice president1.0K₩24,650+44.8%₩25M ($17K)
2024-03-22BUYMarket Buy
남궁홍
Namgung Hong
CEO and President1.2K₩24,650+44.8%₩30M ($21K)
2024-02-22BUYMarket Buy
남궁홍
Namgung Hong
CEO and President1.1K₩24,050+48.4%₩27M ($19K)
2024-02-21BUYMarket Buy
나창흠
Na Changheum
vice president2.5K₩23,800+50.0%₩60M ($42K)
2024-02-15BUYMarket Buy
김종민
Kim Jong-min
Managing Director507₩23,900+49.4%₩12M ($8K)
2024-02-15BUYMarket Buy
박상현
Sanghyun Park
Managing Director1.0K₩23,900+49.4%₩24M ($17K)
2024-02-14BUYMarket Buy
김종민
Kim Jong-min
Managing Director1.0K₩23,550+51.6%₩24M ($16K)

Frequently asked questions

Who has been buying Samsung E&A stock?
11 distinct insiders have filed 32 disclosed insider purchases in Samsung E&A (028050), most recently on 2026-05-12. 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 Samsung E&A have?
Samsung E&A has 32 buy-side and 3 sell-side disclosures on record, covering ₩944M ($656K) in total reported value, spanning 2024-02-14 to 2026-05-12.
Where does StockDrifts get Samsung E&A 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 Samsung E&A. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.