Who has been buying Nano silicane advanced material stock?

8 distinct insiders have filed 22 disclosed insider purchases in Nano silicane advanced material (286750), most recently on 2026-03-06. 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 Nano silicane advanced material have?

Nano silicane advanced material has 22 buy-side and 2 sell-side disclosures on record, covering ₩398M ($276K) in total reported value, spanning 2024-01-26 to 2026-03-06.

Where does StockDrifts get Nano silicane advanced material 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.

Nano silicane advanced material 286750

Company

나노실리칸첨단소재Nano silicane advanced material

Insiders

Buys

Total Value

₩398M ($276K)

Avg Return

-19.27%

Last Filing

2026-03-06

Nano silicane advanced material (286750) has 22 disclosed insider purchases and 2 disclosed disposals on record, filed by 8 distinct insiders. Together those filings cover ₩398M ($276K) in reported transaction value. The earliest filing StockDrifts holds for Nano silicane advanced material is dated 2024-01-26; the most recent is 2026-03-06. 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 -19.27%, 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
2026-03-06	BUY	Market Buy	이창섭 Changseop Lee	Internal director	1.1K	-	-	-
2025-11-17	BUY	Market Buy	이창섭 Changseop Lee	Internal director	300	-	-	-
2025-11-14	BUY	Market Buy	이창섭 Changseop Lee	Internal director	3.0K	-	-	-
2025-11-05	BUY	Market Buy	김학백 Hakbaek Kim	implementation	8.3K	₩1,766	-9.8%	₩15M ($10K)
2025-11-05	BUY	Market Buy	차발동 Chabal-dong	Internal director	4.7K	₩1,766	-9.8%	₩8M ($6K)
2025-11-04	BUY	Market Buy	김학백 Hakbaek Kim	implementation	2.0K	₩1,812	-12.1%	₩4M ($3K)
2025-11-04	BUY	Market Buy	차발동 Chabal-dong	Internal director	1.0K	₩1,812	-12.1%	₩2M ($1K)
2025-11-04	BUY	Market Buy	홍동기 Hong Dong-gi	thanks	5.6K	₩1,812	-12.1%	₩10M ($7K)
2025-11-03	BUY	Market Buy	홍동기 Hong Dong-gi	thanks	3.0K	₩1,738	-8.4%	₩5M ($4K)
2025-10-31	BUY	Market Buy	차발동 Chabal-dong	Internal director	11.0K	₩1,781	-10.6%	₩20M ($14K)
2025-10-31	BUY	Market Buy	홍동기 Hong Dong-gi	thanks	8.0K	₩1,781	-10.6%	₩14M ($10K)
2025-10-29	BUY	Market Buy	김학백 Hakbaek Kim	implementation	5.7K	₩1,807	-11.9%	₩10M ($7K)
2025-09-22	SELL	장외매도	드림캐슬종합건설 Dream Castle Construction	-	-1.0M	₩1,988	+19.9%	₩2.1B ($1.4M)
2025-08-01	BUY	기타	드림캐슬종합건설 Dream Castle Construction	-	4.8M	₩2,000	-20.4%	₩9.5B ($6.6M)
2025-05-27	BUY	Market Buy	이창섭 Changseop Lee	Internal director	4.0K	₩2,490	-36.1%	₩10M ($7K)
2025-05-08	BUY	Market Buy	조상래 Cho Sang-rae	Internal director	4.0K	₩2,910	-45.3%	₩12M ($8K)
2025-04-30	BUY	Market Buy	조상래 Cho Sang-rae	Internal director	12.5K	₩3,115	-48.9%	₩39M ($27K)
2025-04-29	BUY	Market Buy	조상래 Cho Sang-rae	Internal director	4.0K	₩3,130	-49.1%	₩13M ($9K)
2025-04-28	BUY	Market Buy	조상래 Cho Sang-rae	Internal director	2.0K	₩2,955	-46.1%	₩6M ($4K)
2025-04-25	BUY	Market Buy	조상래 Cho Sang-rae	Internal director	17.5K	₩2,780	-42.7%	₩49M ($34K)
2025-02-03	BUY	Market Buy	박성규 Park Seong-gyu	moving	6.9K	₩2,380	-33.1%	₩17M ($11K)
2025-01-24	SELL	Market Sell	박성규 Park Seong-gyu	moving	-7.7K	₩2,265	+29.7%	₩17M ($12K)
2025-01-22	BUY	신규선임	박성규 Park Seong-gyu	moving	7.7K	₩2,395	-33.5%	₩18M ($13K)
2025-01-07	SELL	장외매도	주재현 Jaehyun Jaehyun	CEO	-2.0M	₩2,035	+21.8%	₩4.1B ($2.9M)
2024-12-02	BUY	행사가액조정	주재현 Jaehyun Jaehyun	CEO	1.3K	₩1,358	+17.2%	₩2M ($1K)
2024-03-14	SELL	Market Sell	김희연 Kim Hee-yeon	moving	-24.8K	₩2,355	+32.4%	₩58M ($41K)
2024-03-08	BUY	Market Buy	주재현 Jaehyun Jaehyun	CEO	4.0K	₩2,085	-23.6%	₩8M ($6K)
2024-03-07	BUY	Market Buy	주재현 Jaehyun Jaehyun	CEO	11.0K	₩2,190	-27.3%	₩24M ($17K)
2024-03-06	BUY	Market Buy	주재현 Jaehyun Jaehyun	CEO	30.0K	₩1,915	-16.9%	₩57M ($40K)
2024-01-30	BUY	CB인수	주재현 Jaehyun Jaehyun	CEO	359.2K	₩2,475	-35.7%	₩889M ($617K)
2024-01-30	SELL	기타	주재현 Jaehyun Jaehyun	CEO	-826.1K	₩2,475	+35.7%	₩2.0B ($1.4M)
2024-01-26	SELL	기타	주재현 Jaehyun Jaehyun	CEO	-898.0K	₩2,630	+39.5%	₩2.4B ($1.6M)

Frequently asked questions

Who has been buying Nano silicane advanced material stock?: 8 distinct insiders have filed 22 disclosed insider purchases in Nano silicane advanced material (286750), most recently on 2026-03-06. 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 Nano silicane advanced material have?: Nano silicane advanced material has 22 buy-side and 2 sell-side disclosures on record, covering ₩398M ($276K) in total reported value, spanning 2024-01-26 to 2026-03-06.
Where does StockDrifts get Nano silicane advanced material 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 Nano silicane advanced material. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.