StockDrifts LogoStockDrifts

Ilyang Pharmaceutical 007570

Company
일양약품Ilyang Pharmaceutical
Insiders
3
Buys
31
Total Value
₩433M ($301K)
Avg Return
-2.26%
Last Filing
2026-05-28

Ilyang Pharmaceutical (007570) has 31 disclosed insider purchases and 0 disclosed disposals on record, filed by 3 distinct insiders. Together those filings cover ₩433M ($301K) in reported transaction value. The earliest filing StockDrifts holds for Ilyang Pharmaceutical is dated 2024-07-24; the most recent is 2026-05-28. 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 -2.26%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent insider trades

DateTypeSourceInsiderPositionSharesPrice at filingReturnValue
2026-07-30BUY수증
정유석
Jeong Yoo-seok
CEO and President1.7M₩8,130+3.1%₩13.8B ($9.6M)
2026-07-30SELL증여
정도언
Jeong Do-eon
--1.7M₩8,130-3.1%₩13.8B ($9.6M)
2026-05-28BUYMarket Buy
정연찬
Yeonchan Jeong
Managing Director1.1K₩9,080+0.0%₩10M ($7K)
2026-05-27BUYMarket Buy
송화준
Song Hwajun
moving2.0K₩9,310-2.5%₩19M ($13K)
2026-04-01BUY신규선임
송화준
Song Hwajun
moving60₩11,180+3.2%₩671K ($466)
2025-07-08BUY기타
정도언
Jeong Do-eon
-50---
2025-05-10SELL임원퇴임
서원철
Seo Won-cheol
Managing Director-70₩12,850-1.6%₩900K ($625)
2024-10-18BUYMarket Buy
정유석
Jeong Yoo-seok
CEO and President1.1K₩13,240-1.4%₩15M ($10K)
2024-10-17BUYMarket Buy
정유석
Jeong Yoo-seok
CEO and President1.5K₩12,980+0.5%₩19M ($14K)
2024-10-16BUYMarket Buy
정유석
Jeong Yoo-seok
CEO and President1.5K₩13,080-0.2%₩20M ($14K)
2024-10-15BUYMarket Buy
정유석
Jeong Yoo-seok
CEO and President1.5K₩12,950+0.8%₩19M ($13K)
2024-10-14BUYMarket Buy
정유석
Jeong Yoo-seok
CEO and President1.0K₩12,890+1.2%₩13M ($9K)
2024-10-11BUYMarket Buy
정유석
Jeong Yoo-seok
CEO and President1.0K₩12,920+1.0%₩13M ($9K)
2024-10-10BUYMarket Buy
정유석
Jeong Yoo-seok
CEO and President500₩12,910+1.1%₩6M ($4K)
2024-10-07BUYMarket Buy
정유석
Jeong Yoo-seok
CEO and President1.5K₩12,970+0.6%₩19M ($14K)
2024-10-04BUYMarket Buy
정유석
Jeong Yoo-seok
CEO and President1.0K₩13,010+0.3%₩13M ($9K)
2024-09-30BUYMarket Buy
정유석
Jeong Yoo-seok
CEO and President1.0K₩13,060-0.1%₩13M ($9K)
2024-09-11BUYMarket Buy
정유석
Jeong Yoo-seok
CEO and President300₩13,180-1.0%₩4M ($3K)
2024-09-09BUYMarket Buy
정유석
Jeong Yoo-seok
CEO and President500₩13,060-0.1%₩7M ($5K)
2024-09-09BUYMarket Buy
정유석
Jeong Yoo-seok
CEO and President500₩13,060-0.1%₩7M ($5K)
2024-09-09BUYMarket Buy
정유석
Jeong Yoo-seok
CEO and President500₩13,060-0.1%₩7M ($5K)
2024-09-06BUYMarket Buy
정유석
Jeong Yoo-seok
CEO and President760₩13,060-0.1%₩10M ($7K)
2024-09-06BUYMarket Buy
정유석
Jeong Yoo-seok
CEO and President88₩13,060-0.1%₩1M ($798)
2024-09-06BUYMarket Buy
정유석
Jeong Yoo-seok
CEO and President1₩13,060-0.1%₩13K ($9)
2024-09-06BUYMarket Buy
정유석
Jeong Yoo-seok
CEO and President501₩13,060-0.1%₩7M ($5K)
2024-09-06BUYMarket Buy
정유석
Jeong Yoo-seok
CEO and President150₩13,060-0.1%₩2M ($1K)
2024-08-08BUYMarket Buy
정유석
Jeong Yoo-seok
CEO and President1.5K₩14,770-11.7%₩22M ($15K)
2024-08-07BUYMarket Buy
정유석
Jeong Yoo-seok
CEO and President1.5K₩14,360-9.1%₩22M ($15K)
2024-08-02BUYMarket Buy
정유석
Jeong Yoo-seok
CEO and President1.5K₩14,100-7.5%₩21M ($15K)
2024-08-01BUYMarket Buy
정유석
Jeong Yoo-seok
CEO and President1.5K₩14,270-8.6%₩21M ($15K)
2024-07-31BUYMarket Buy
정유석
Jeong Yoo-seok
CEO and President1.5K₩13,950-6.5%₩21M ($15K)
2024-07-30BUYMarket Buy
정유석
Jeong Yoo-seok
CEO and President1.5K₩13,820-5.6%₩21M ($14K)
2024-07-29BUYMarket Buy
정유석
Jeong Yoo-seok
CEO and President1.5K₩13,840-5.7%₩21M ($14K)
2024-07-26BUYMarket Buy
정유석
Jeong Yoo-seok
CEO and President1.5K₩13,770-5.2%₩21M ($14K)
2024-07-25BUYMarket Buy
정유석
Jeong Yoo-seok
CEO and President1.5K₩13,710-4.8%₩21M ($14K)
2024-07-24BUYMarket Buy
정유석
Jeong Yoo-seok
CEO and President1.5K₩13,780-5.3%₩21M ($14K)
2020-07-02BUY기타
정도언
Jeong Do-eon
-50---

Frequently asked questions

Who has been buying Ilyang Pharmaceutical stock?
3 distinct insiders have filed 31 disclosed insider purchases in Ilyang Pharmaceutical (007570), most recently on 2026-05-28. 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 Ilyang Pharmaceutical have?
Ilyang Pharmaceutical has 31 buy-side and 0 sell-side disclosures on record, covering ₩433M ($301K) in total reported value, spanning 2024-07-24 to 2026-05-28.
Where does StockDrifts get Ilyang Pharmaceutical 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 Ilyang Pharmaceutical. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.