Who has been buying Celemics stock?

2 distinct insiders have filed 19 disclosed insider purchases in Celemics (331920), most recently on 2026-07-14. 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 Celemics have?

Celemics has 19 buy-side and 4 sell-side disclosures on record, covering ₩1.6B ($1.1M) in total reported value, spanning 2026-02-02 to 2026-07-14.

Where does StockDrifts get Celemics 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.

Celemics 331920

Company

셀레믹스Celemics

Insiders

Buys

Total Value

₩1.6B ($1.1M)

Avg Return

+14.54%

Last Filing

2026-07-14

Celemics (331920) has 19 disclosed insider purchases and 4 disclosed disposals on record, filed by 2 distinct insiders. Together those filings cover ₩1.6B ($1.1M) in reported transaction value. The earliest filing StockDrifts holds for Celemics is dated 2026-02-02; the most recent is 2026-07-14. 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 +14.54%, 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
2026-07-14	BUY	Market Buy	윤상후 Sanghoo Yoon	vice president	3.3K	₩9,500	+8.9%	₩36M ($25K)
2026-07-13	BUY	신규선임	윤교중 Yoongyo Middle School	moving	737	₩10,170	+1.8%	₩7M ($5K)
2026-07-13	BUY	Market Buy	윤상후 Sanghoo Yoon	vice president	1.3K	₩10,170	+1.8%	₩14M ($10K)
2026-07-10	BUY	Market Buy	윤상후 Sanghoo Yoon	vice president	4.7K	₩11,490	-9.9%	₩50M ($35K)
2026-05-29	BUY	제3자배정유상증자	윤상후 Sanghoo Yoon	vice president	35.8K	₩17,090	-35.9%	₩612M ($425K)
2026-05-29	BUY	제3자배정유상증자	이용훈 Lee Yong-hoon	moving	23.9K	₩17,090	-14.1%	₩408M ($283K)
2026-05-29	BUY	제3자배정유상증자	수피젠 신기술투자조합1호 Supigen New Technology Investment Association No. 1	-	1.2M	₩17,090	-14.1%	₩20.4B ($14.2M)
2026-05-29	BUY	제3자배정유상증자	이상석 Lee Sang-seok	moving	11.9K	₩17,090	-14.1%	₩204M ($142K)
2026-05-28	BUY	Market Buy	윤상후 Sanghoo Yoon	vice president	12.4K	₩17,050	-35.8%	₩211M ($147K)
2026-05-21	BUY	Market Buy	윤상후 Sanghoo Yoon	vice president	3.2K	₩15,160	-27.8%	₩49M ($34K)
2026-05-20	BUY	Market Buy	윤상후 Sanghoo Yoon	vice president	13.0K	₩14,100	-22.3%	₩183M ($127K)
2026-04-30	BUY	유상신주취득	박종갑 Park Jong-gap	Co-CEO	760.7K	-	-	-
2026-04-30	SELL	기타	박종갑 Park Jong-gap	Co-CEO	-760.7K	-	-	-
2026-04-28	BUY	CB인수	수피쇼 신기술투자조합1호 Sufi Show New Technology Investment Association No. 1	-	1.0M	₩16,830	-4.9%	₩17.2B ($11.9M)
2026-04-28	BUY	CB인수	박종갑 Park Jong-gap	Co-CEO	240.3K	₩16,830	-4.9%	₩4.0B ($2.8M)
2026-04-23	BUY	Market Buy	윤상후 Sanghoo Yoon	vice president	27	₩17,310	-36.7%	₩467K ($325)
2026-04-02	BUY	Market Buy	윤상후 Sanghoo Yoon	vice president	41.0K	₩12,850	-14.8%	₩526M ($366K)
2026-03-30	BUY	Market Buy	윤상후 Sanghoo Yoon	vice president	4	₩10,720	+2.1%	₩43K ($30)
2026-03-27	BUY	Market Buy	윤상후 Sanghoo Yoon	vice president	8.0K	₩8,250	+32.7%	₩66M ($46K)
2026-03-26	BUY	Market Buy	윤상후 Sanghoo Yoon	vice president	4.1K	₩8,350	+31.1%	₩34M ($24K)
2026-03-25	BUY	Market Buy	윤상후 Sanghoo Yoon	vice president	15.1K	₩8,620	+27.0%	₩130M ($90K)
2026-03-16	SELL	Market Sell	윤상후 Sanghoo Yoon	vice president	-1.5K	₩6,470	-69.2%	₩10M ($7K)
2026-03-16	BUY	Market Buy	윤상후 Sanghoo Yoon	vice president	9.4K	₩6,470	+69.2%	₩61M ($42K)
2026-03-12	SELL	장외매도	이용훈 Lee Yong-hoon	Co-CEO	-124.1K	₩6,370	-170.0%	₩791M ($549K)
2026-03-12	BUY	실권주인수	박종갑 Park Jong-gap	Co-CEO	429.9K	₩6,370	+170.0%	₩2.7B ($1.9M)
2026-03-12	SELL	장외매도	김효기 Kim Hyo-gi	Co-CEO	-305.8K	₩6,370	-170.0%	₩1.9B ($1.4M)
2026-03-09	BUY	Market Buy	윤상후 Sanghoo Yoon	vice president	7	₩5,350	+104.7%	₩37K ($26)
2026-03-04	BUY	Market Buy	윤상후 Sanghoo Yoon	vice president	57	₩4,665	+134.7%	₩266K ($185)
2026-03-03	SELL	Market Sell	윤상후 Sanghoo Yoon	vice president	-506	₩4,880	-124.4%	₩2M ($2K)
2026-02-27	BUY	CB인수	박종갑 Park Jong-gap	Co-CEO	1.0M	₩4,955	+247.1%	₩5.0B ($3.5M)
2026-02-26	BUY	Market Buy	윤상후 Sanghoo Yoon	vice president	502	₩4,600	+138.0%	₩2M ($2K)
2026-02-25	BUY	Market Buy	윤상후 Sanghoo Yoon	vice president	5	₩4,870	+124.8%	₩24K ($17)
2026-02-03	SELL	Market Sell	박종갑 Park Jong-gap	Co-CEO	-1.0K	₩3,870	-344.4%	₩4M ($3K)
2026-02-03	BUY	Market Buy	박종갑 Park Jong-gap	Co-CEO	44.4K	₩3,870	+344.4%	₩172M ($119K)
2026-02-03	BUY	제3자배정유상증자	박종갑 Park Jong-gap	Co-CEO	760.7K	₩3,870	+344.4%	₩2.9B ($2.0M)
2026-02-02	SELL	Market Sell	박종갑 Park Jong-gap	Co-CEO	-100	₩2,980	-477.2%	₩298K ($207)
2026-02-02	BUY	Market Buy	박종갑 Park Jong-gap	Co-CEO	14.2K	₩2,980	+477.2%	₩42M ($29K)

Frequently asked questions

Who has been buying Celemics stock?: 2 distinct insiders have filed 19 disclosed insider purchases in Celemics (331920), most recently on 2026-07-14. 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 Celemics have?: Celemics has 19 buy-side and 4 sell-side disclosures on record, covering ₩1.6B ($1.1M) in total reported value, spanning 2026-02-02 to 2026-07-14.
Where does StockDrifts get Celemics 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 Celemics. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.