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Sejung 039310

Company
세중Sejung
Insiders
2
Buys
37
Total Value
₩5M ($3K)
Avg Return
-8.99%
Last Filing
2026-06-29

Sejung (039310) has 37 disclosed insider purchases and 0 disclosed disposals on record, filed by 2 distinct insiders. Together those filings cover ₩5M ($3K) in reported transaction value. The earliest filing StockDrifts holds for Sejung is dated 2024-09-04; the most recent is 2026-06-29. 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 -8.99%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent insider trades

DateTypeSourceInsiderPositionSharesPrice at filingReturnValue
2026-07-31BUYMarket Buy
최석원
Choi Seok-won
Internal director10.3K₩1,096+11.0%₩11M ($8K)
2026-07-30BUYMarket Buy
최석원
Choi Seok-won
Internal director8.2K₩1,044+16.6%₩9M ($6K)
2026-07-30BUYMarket Buy
안영우
Youngwoo Ahn
Internal director2.0K₩1,044+16.6%₩2M ($2K)
2026-07-28BUYMarket Buy
강정규
Kang Jeong-gyu
Managing Director17.7K₩1,105-0.8%₩20M ($14K)
2026-07-28BUYMarket Buy
안영우
Youngwoo Ahn
Internal director6.5K₩1,105-0.8%₩7M ($5K)
2026-07-27BUYMarket Buy
안영우
Youngwoo Ahn
Internal director7.9K₩1,104-0.7%₩9M ($6K)
2026-07-24BUYMarket Buy
정진억
Jeong Jin-eok
Managing Director15.5K₩1,136-3.5%₩17M ($12K)
2026-07-23BUYMarket Buy
정진억
Jeong Jin-eok
Managing Director2.0K₩1,101-0.5%₩2M ($2K)
2026-07-23BUYMarket Buy
허태진
Taejin Heo
Managing Director17.6K₩1,101-0.5%₩20M ($14K)
2026-07-22BUYMarket Buy
박요섭
Park Yo-seop
Managing Director2.0K₩1,136+0.0%₩2M ($2K)
2026-07-21BUYMarket Buy
박요섭
Park Yo-seop
Managing Director18.0K₩1,158-1.9%₩21M ($14K)
2026-07-16BUYMarket Buy
정구충
Jeong Gu-chung
vice president19.1K₩1,132+0.3%₩20M ($14K)
2026-06-29BUYMarket Buy
안영우
Youngwoo Ahn
Internal director47---
2026-06-29BUYMarket Buy
안영우
Youngwoo Ahn
Internal director47---
2026-06-29BUYMarket Buy
안영우
Youngwoo Ahn
Internal director1---
2026-06-29BUYMarket Buy
안영우
Youngwoo Ahn
Internal director1---
2026-06-29BUYMarket Buy
안영우
Youngwoo Ahn
Internal director1---
2026-06-29BUYMarket Buy
안영우
Youngwoo Ahn
Internal director1---
2026-06-29BUYMarket Buy
안영우
Youngwoo Ahn
Internal director6---
2026-06-29BUYMarket Buy
안영우
Youngwoo Ahn
Internal director36---
2026-06-29BUYMarket Buy
안영우
Youngwoo Ahn
Internal director60---
2026-06-29BUYMarket Buy
안영우
Youngwoo Ahn
Internal director35---
2026-06-29BUYMarket Buy
안영우
Youngwoo Ahn
Internal director50---
2026-06-29BUYMarket Buy
안영우
Youngwoo Ahn
Internal director2.2K---
2026-06-29BUYMarket Buy
안영우
Youngwoo Ahn
Internal director35---
2026-06-29BUYMarket Buy
안영우
Youngwoo Ahn
Internal director12---
2026-06-29BUYMarket Buy
안영우
Youngwoo Ahn
Internal director76---
2026-06-29BUYMarket Buy
안영우
Youngwoo Ahn
Internal director36---
2026-06-29BUYMarket Buy
안영우
Youngwoo Ahn
Internal director52---
2026-06-29BUYMarket Buy
안영우
Youngwoo Ahn
Internal director182---
2026-06-29BUYMarket Buy
안영우
Youngwoo Ahn
Internal director46---
2026-06-29BUYMarket Buy
안영우
Youngwoo Ahn
Internal director16---
2026-06-29BUYMarket Buy
안영우
Youngwoo Ahn
Internal director189---
2026-06-29BUYMarket Buy
안영우
Youngwoo Ahn
Internal director131---
2026-06-29BUYMarket Buy
안영우
Youngwoo Ahn
Internal director438---
2026-06-29BUYMarket Buy
안영우
Youngwoo Ahn
Internal director204---
2026-06-29BUYMarket Buy
안영우
Youngwoo Ahn
Internal director1.3K---
2026-06-29BUYMarket Buy
안영우
Youngwoo Ahn
Internal director22---
2026-06-22BUYMarket Buy
안영우
Youngwoo Ahn
Internal director970---
2026-06-22BUYMarket Buy
안영우
Youngwoo Ahn
Internal director133---
2026-06-08BUYMarket Buy
안영우
Youngwoo Ahn
Internal director101---
2026-06-08BUYMarket Buy
안영우
Youngwoo Ahn
Internal director222---
2026-06-08BUYMarket Buy
안영우
Youngwoo Ahn
Internal director566---
2026-06-08BUYMarket Buy
안영우
Youngwoo Ahn
Internal director917---
2026-06-08BUYMarket Buy
안영우
Youngwoo Ahn
Internal director114---
2026-06-08BUYMarket Buy
안영우
Youngwoo Ahn
Internal director24---
2026-06-08BUYMarket Buy
안영우
Youngwoo Ahn
Internal director275---
2024-09-04BUYMarket Buy
천호전
Cheonhojeon
Internal director2.1K₩1,557-9.0%₩3M ($2K)
2024-09-04BUYMarket Buy
천호전
Cheonhojeon
Internal director912₩1,557-9.0%₩1M ($986)

Frequently asked questions

Who has been buying Sejung stock?
2 distinct insiders have filed 37 disclosed insider purchases in Sejung (039310), most recently on 2026-06-29. 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 Sejung have?
Sejung has 37 buy-side and 0 sell-side disclosures on record, covering ₩5M ($3K) in total reported value, spanning 2024-09-04 to 2026-06-29.
Where does StockDrifts get Sejung 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 Sejung. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.