Who has been buying toolgen stock?

3 distinct insiders have filed 1 disclosed insider purchases in toolgen (199800), most recently on 2026-07-08. 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 toolgen have?

toolgen has 1 buy-side and 4 sell-side disclosures on record, covering ₩471M ($327K) in total reported value, spanning 2024-03-05 to 2026-07-08.

Do insider buys in Korean stocks predict returns?

Not uniformly. StockDrifts analysed 170,720 share-count changes across 56,930 Korean regulatory filings using cross-sectional alpha at fixed forward horizons, and found returns concentrated in particular signal tiers rather than in insider buying generally.

toolgen 199800

Company

툴젠toolgen

Insiders

Buys

Total Value

₩471M ($327K)

Avg Return

+11.87%

Last Filing

2026-07-08

toolgen (199800) has 1 disclosed insider purchases and 4 disclosed disposals on record, filed by 3 distinct insiders. Together those filings cover ₩471M ($327K) in reported transaction value. The earliest filing StockDrifts holds for toolgen is dated 2024-03-05; the most recent is 2026-07-08. Across these filings the average return since disclosure is +11.87%, 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
2026-09-07	BUY	Market Buy	조현순 Jo Hyun-soon	Managing Director	300	-	-	-
2026-08-31	SELL	장외매도	제넥신 Genexine	-	-86.9K	₩35,200	+2.1%	₩3.1B ($2.1M)
2026-08-25	BUY	기타	제넥신 Genexine	-	96.6K	₩36,400	-5.4%	₩3.5B ($2.4M)
2026-08-25	BUY	기타	유종상 Yoo Jong-sang	CEO	38	₩36,400	-1.6%	₩1M ($961)
2026-08-25	BUY	기타	조준성 Aiming	Managing Director	8	₩36,400	-1.6%	₩291K ($202)
2026-08-25	BUY	기타	권순일 Soonil Kwon	Managing Director	363	₩36,400	-1.6%	₩13M ($9K)
2026-07-29	BUY	Market Buy	유종상 Yoo Jong-sang	CEO	200	₩35,900	+20.9%	₩9M ($6K)
2026-07-08	BUY	Market Buy	유종상 Yoo Jong-sang	CEO	250	₩34,300	+1.0%	₩9M ($6K)
2026-04-30	BUY	기타	권순일 Soonil Kwon	Managing Director	1.2K	-	-	-
2026-04-29	SELL	Market Sell	권순일 Soonil Kwon	Managing Director	-600	₩89,100	+0.0%	₩53M ($37K)
2026-03-31	SELL	임원퇴임	김진수 Jinsu Kim	Other non-executive directors	-595.1K	₩53,800	-80.9%	₩32.0B ($22.2M)
2026-01-09	SELL	Market Sell	권순일 Soonil Kwon	Managing Director	-1.5K	₩59,300	+12.8%	₩89M ($62K)
2025-09-15	SELL	기타	김진수 Jinsu Kim	Other non-executive directors	-85.0K	₩40,450	-27.8%	₩3.4B ($2.4M)
2024-12-27	BUY	신규선임	김진수 Jinsu Kim	Other non-executive directors	680.1K	₩37,200	+39.0%	₩25.3B ($17.6M)
2024-08-02	BUY	주식매수선택권	이재영 Jaeyoung Lee	moving	4.0K	₩74,200	-30.3%	₩297M ($206K)
2024-08-02	BUY	주식매수선택권	한지학 Hanjihak	Managing Director	1.7K	₩74,200	-30.3%	₩124M ($86K)
2024-05-03	BUY	주식매수선택권	권순일 Soonil Kwon	moving	1.0K	₩69,300	-25.4%	₩69M ($48K)
2024-03-29	BUY	신규선임	한세희 Sehee Han	thanks	300.8K	₩67,900	-23.9%	₩20.4B ($14.2M)
2024-03-26	SELL	Market Sell	이정준 Jeongjun Lee	moving	-3.8K	₩65,500	+21.1%	₩249M ($173K)
2024-03-22	SELL	Market Sell	이정준 Jeongjun Lee	moving	-1.0K	₩68,400	+24.4%	₩71M ($49K)
2024-03-20	BUY	기타	이정준 Jeongjun Lee	moving	519	₩96,600	-46.5%	₩50M ($35K)
2024-03-05	BUY	주식매수선택권	이정준 Jeongjun Lee	moving	3.8K	₩50,400	+2.6%	₩192M ($133K)

Frequently asked questions

Who has been buying toolgen stock?: 3 distinct insiders have filed 1 disclosed insider purchases in toolgen (199800), most recently on 2026-07-08. 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 toolgen have?: toolgen has 1 buy-side and 4 sell-side disclosures on record, covering ₩471M ($327K) in total reported value, spanning 2024-03-05 to 2026-07-08.
Do insider buys in Korean stocks predict returns?: Not uniformly. StockDrifts analysed 170,720 share-count changes across 56,930 Korean regulatory filings using cross-sectional alpha at fixed forward horizons, and found returns concentrated in particular signal tiers rather than in insider buying generally.

More on this data

Every trade listed above comes from an official regulatory disclosure. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.