Who has been buying Exem stock?

1 distinct insiders have filed 8 disclosed insider purchases in Exem (205100), most recently on 2026-06-19. 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 Exem have?

Exem has 8 buy-side and 1 sell-side disclosures on record, covering ₩774M ($537K) in total reported value, spanning 2023-10-11 to 2026-06-19.

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.

Exem 205100

Company

엑셈Exem

Insiders

Buys

Total Value

₩774M ($537K)

Avg Return

-0.06%

Last Filing

2026-06-19

Exem (205100) has 8 disclosed insider purchases and 1 disclosed disposals on record, filed by 1 distinct insiders. Together those filings cover ₩774M ($537K) in reported transaction value. The earliest filing StockDrifts holds for Exem is dated 2023-10-11; the most recent is 2026-06-19. Across these filings the average return since disclosure is -0.06%, 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
2026-09-15	BUY	Market Buy	조종암 control arm	CEO	33.2K	₩1,296	-1.5%	₩45M ($31K)
2026-09-14	BUY	Market Buy	조종암 control arm	CEO	7.3K	₩1,318	-3.1%	₩10M ($7K)
2026-09-11	BUY	Market Buy	조종암 control arm	CEO	28.7K	₩1,333	-4.2%	₩37M ($26K)
2026-09-07	BUY	Market Buy	조종암 control arm	CEO	10.0K	-	-	-
2026-09-04	BUY	Market Buy	조종암 control arm	CEO	25.0K	-	-	-
2026-09-03	BUY	Market Buy	조종암 control arm	CEO	40.0K	-	-	-
2026-06-19	BUY	Market Buy	조종암 control arm	CEO	25.0K	₩1,503	+0.0%	₩38M ($26K)
2026-06-18	BUY	Market Buy	조종암 control arm	CEO	75.0K	₩1,518	-1.0%	₩114M ($79K)
2026-06-17	BUY	Market Buy	조종암 control arm	CEO	70.0K	₩1,569	-4.2%	₩110M ($76K)
2026-05-22	BUY	Market Buy	조종암 control arm	CEO	66.2K	₩1,839	-5.5%	₩122M ($84K)
2026-04-16	BUY	Market Buy	조종암 control arm	CEO	54.5K	₩1,959	-3.1%	₩107M ($74K)
2026-04-15	BUY	Market Buy	조종암 control arm	CEO	87.9K	₩1,913	-0.7%	₩168M ($117K)
2026-01-12	BUY	Market Buy	조종암 control arm	CEO	53.0K	₩1,948	+14.0%	₩103M ($72K)
2026-01-09	SELL	증여	조종암 control arm	CEO	-160.0K	₩1,911	-16.2%	₩306M ($212K)
2025-12-23	SELL	증여	조종암 control arm	CEO	-68.0K	₩1,988	-11.7%	₩135M ($94K)
2025-01-08	SELL	Market Sell	조종암 control arm	CEO	-3.2K	₩1,958	-13.4%	₩6M ($4K)
2025-01-08	BUY	Market Buy	조종암 control arm	CEO	3.2K	₩1,958	+13.4%	₩6M ($4K)
2024-04-26	BUY	기타	조종암 control arm	CEO	291.6K	₩2,665	-16.7%	₩777M ($540K)
2023-10-11	BUY	무상신주취득	조종암 control arm	CEO	13.0M	₩2,630	-15.6%	₩34.1B ($23.7M)

Frequently asked questions

Who has been buying Exem stock?: 1 distinct insiders have filed 8 disclosed insider purchases in Exem (205100), most recently on 2026-06-19. 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 Exem have?: Exem has 8 buy-side and 1 sell-side disclosures on record, covering ₩774M ($537K) in total reported value, spanning 2023-10-11 to 2026-06-19.
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.