Who has been buying Deepnoid stock?

2 distinct insiders have filed 7 disclosed insider purchases in Deepnoid (315640), most recently on 2026-06-22. 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 Deepnoid have?

Deepnoid has 7 buy-side and 3 sell-side disclosures on record, covering ₩779M ($541K) in total reported value, spanning 2024-04-09 to 2026-06-22.

Where does StockDrifts get Deepnoid 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.

Deepnoid 315640

Company

딥노이드Deepnoid

Insiders

Buys

Total Value

₩779M ($541K)

Avg Return

-41.91%

Last Filing

2026-06-22

Deepnoid (315640) has 7 disclosed insider purchases and 3 disclosed disposals on record, filed by 2 distinct insiders. Together those filings cover ₩779M ($541K) in reported transaction value. The earliest filing StockDrifts holds for Deepnoid is dated 2024-04-09; the most recent is 2026-06-22. 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 -41.91%, 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
2026-06-22	SELL	Market Sell	김태규 Kim Tae-gyu	-	-70.0K	-	-	-
2026-06-19	SELL	Market Sell	김태규 Kim Tae-gyu	-	-70.0K	-	-	-
2026-06-18	SELL	Market Sell	김태규 Kim Tae-gyu	-	-70.0K	-	-	-
2026-03-31	BUY	신규보고	최현주 Hyunjoo Choi	moving	12.6K	₩3,300	+12.4%	₩42M ($29K)
2025-12-17	BUY	유상신주취득	최우식 Choi Woo-sik	CEO	117.8K	₩3,660	-5.5%	₩431M ($300K)
2025-12-17	SELL	기타	최우식 Choi Woo-sik	CEO	-117.8K	₩3,660	+5.5%	₩431M ($300K)
2025-12-17	SELL	기타	김태규 Kim Tae-gyu	Managing Director	-92.3K	₩3,660	+5.5%	₩338M ($234K)
2025-12-17	BUY	유상신주취득	김태규 Kim Tae-gyu	Managing Director	92.3K	₩3,660	-5.5%	₩338M ($234K)
2025-11-18	SELL	장외매도	최우식 Choi Woo-sik	CEO	-1.0M	₩3,880	+10.8%	₩4.1B ($2.8M)
2025-11-17	SELL	장외매도	김태규 Kim Tae-gyu	Managing Director	-815.2K	₩4,130	+16.2%	₩3.4B ($2.3M)
2025-11-11	BUY	기타	최우식 Choi Woo-sik	CEO	1.2M	₩4,175	-17.1%	₩4.9B ($3.4M)
2025-11-11	BUY	기타	김태규 Kim Tae-gyu	Managing Director	907.4K	₩4,175	-17.1%	₩3.8B ($2.6M)
2025-10-16	SELL	장외매도	최우식 Choi Woo-sik	CEO	-25.0K	₩4,179	+17.2%	₩104M ($73K)
2025-10-16	SELL	장외매도	김태규 Kim Tae-gyu	Managing Director	-25.0K	₩4,179	+17.2%	₩104M ($73K)
2025-10-13	SELL	장외매도	김태규 Kim Tae-gyu	Managing Director	-25.0K	₩4,073	+15.1%	₩102M ($71K)
2025-10-13	SELL	장외매도	최우식 Choi Woo-sik	CEO	-25.0K	₩4,073	+15.1%	₩102M ($71K)
2024-08-29	BUY	Market Buy	최우식 Choi Woo-sik	CEO	40.0K	₩5,430	-36.3%	₩217M ($151K)
2024-08-28	BUY	Market Buy	김태규 Kim Tae-gyu	Managing Director	19.0K	₩5,523	-37.4%	₩105M ($73K)
2024-08-27	BUY	Market Buy	김태규 Kim Tae-gyu	Managing Director	40.2K	₩5,670	-39.0%	₩228M ($158K)
2024-08-26	BUY	Market Buy	최우식 Choi Woo-sik	CEO	25.0K	₩5,845	-40.8%	₩146M ($101K)
2024-08-26	BUY	Market Buy	김태규 Kim Tae-gyu	Managing Director	5.7K	₩5,845	-40.8%	₩33M ($23K)
2024-04-18	BUY	Market Buy	최우식 Choi Woo-sik	CEO	6.7K	₩7,225	-52.1%	₩49M ($34K)
2024-04-17	BUY	Market Buy	최우식 Choi Woo-sik	CEO	154	₩6,535	-47.0%	₩1M ($699)
2024-04-09	BUY	무상신주취득	김태규 Kim Tae-gyu	Managing Director	1.5M	₩6,968	-50.3%	₩10.4B ($7.2M)
2024-04-09	BUY	무상신주취득	최우식 Choi Woo-sik	CEO	1.9M	₩6,968	-50.3%	₩13.3B ($9.2M)

Frequently asked questions

Who has been buying Deepnoid stock?: 2 distinct insiders have filed 7 disclosed insider purchases in Deepnoid (315640), most recently on 2026-06-22. 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 Deepnoid have?: Deepnoid has 7 buy-side and 3 sell-side disclosures on record, covering ₩779M ($541K) in total reported value, spanning 2024-04-09 to 2026-06-22.
Where does StockDrifts get Deepnoid 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 Deepnoid. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.