Who has been buying FSN stock?

4 distinct insiders have filed 32 disclosed insider purchases in FSN (214270), most recently on 2026-07-13. 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 FSN have?

FSN has 32 buy-side and 8 sell-side disclosures on record, covering ₩1.3B ($894K) in total reported value, spanning 2024-03-28 to 2026-07-13.

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.

FSN 214270

Company

FSN

Insiders

Buys

Total Value

₩1.3B ($894K)

Avg Return

+2.36%

Last Filing

2026-07-13

FSN (214270) has 32 disclosed insider purchases and 8 disclosed disposals on record, filed by 4 distinct insiders. Together those filings cover ₩1.3B ($894K) in reported transaction value. The earliest filing StockDrifts holds for FSN is dated 2024-03-28; the most recent is 2026-07-13. Across these filings the average return since disclosure is +2.36%, 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
2026-09-16	BUY	Market Buy	서정교 Seo Jeong-gyo	CEO	2.9K	₩1,309	-1.0%	₩4M ($3K)
2026-09-15	BUY	Market Buy	서정교 Seo Jeong-gyo	CEO	4.8K	₩1,314	-1.4%	₩6M ($4K)
2026-09-14	BUY	Market Buy	김경호 Kyungho Kim	CEO	7.5K	₩1,307	+0.5%	₩10M ($7K)
2026-09-11	BUY	Market Buy	김제성 Kim Je-seong	Internal director	8.8K	₩1,311	+0.2%	₩11M ($8K)
2026-09-10	BUY	Market Buy	서정교 Seo Jeong-gyo	CEO	2.5K	₩1,318	-0.3%	₩3M ($2K)
2026-09-09	BUY	Market Buy	서정교 Seo Jeong-gyo	CEO	1.0K	₩1,298	+1.2%	₩1M ($930)
2026-09-08	BUY	Market Buy	서정교 Seo Jeong-gyo	CEO	1.8K	₩1,298	+1.2%	₩2M ($2K)
2026-09-07	BUY	Market Buy	서정교 Seo Jeong-gyo	CEO	3.1K	₩1,298	+1.2%	₩4M ($3K)
2026-09-02	BUY	Market Buy	김경호 Kyungho Kim	CEO	7.1K	₩1,300	+1.5%	₩9M ($6K)
2026-09-02	BUY	Market Buy	서정교 Seo Jeong-gyo	CEO	6.9K	₩1,300	+1.5%	₩9M ($6K)
2026-09-01	SELL	Market Sell	서정교 Seo Jeong-gyo	CEO	-69.7K	₩1,330	+0.8%	₩88M ($61K)
2026-09-01	BUY	Market Buy	서정교 Seo Jeong-gyo	CEO	7.0K	₩1,330	-0.8%	₩9M ($6K)
2026-09-01	BUY	Market Buy	서정교 Seo Jeong-gyo	CEO	63.7K	₩1,330	-0.8%	₩82M ($57K)
2026-09-01	SELL	Market Sell	서정교 Seo Jeong-gyo	CEO	-7.0K	₩1,330	+0.8%	₩9M ($6K)
2026-08-31	BUY	Market Buy	서정교 Seo Jeong-gyo	CEO	7.2K	₩1,322	-0.1%	₩9M ($6K)
2026-08-19	BUY	Market Buy	서정교 Seo Jeong-gyo	CEO	70.0K	₩1,367	-6.2%	₩100M ($69K)
2026-08-19	SELL	Market Sell	서정교 Seo Jeong-gyo	CEO	-70.0K	₩1,367	+6.2%	₩100M ($69K)
2026-08-03	BUY	Market Buy	김경호 Kyungho Kim	CEO	2.8K	₩1,365	+1.1%	₩4M ($2K)
2026-08-03	BUY	Market Buy	서정교 Seo Jeong-gyo	CEO	1.0K	₩1,365	+3.7%	₩1M ($896)
2026-08-03	BUY	Market Buy	서정교 Seo Jeong-gyo	CEO	790	₩1,365	+3.7%	₩1M ($708)
2026-08-03	BUY	Market Buy	서정교 Seo Jeong-gyo	CEO	1.0K	₩1,365	+3.7%	₩1M ($896)
2026-08-03	BUY	Market Buy	서정교 Seo Jeong-gyo	CEO	350	₩1,365	+3.7%	₩452K ($314)
2026-07-31	BUY	Market Buy	김경호 Kyungho Kim	CEO	5.0K	₩1,325	+4.2%	₩6M ($4K)
2026-07-30	BUY	Market Buy	김경호 Kyungho Kim	CEO	2.6K	₩1,290	+7.0%	₩3M ($2K)
2026-07-13	BUY	Market Buy	김제성 Kim Je-seong	Internal director	9.0K	₩1,370	+0.5%	₩12M ($8K)
2026-07-10	BUY	Market Buy	김제성 Kim Je-seong	Internal director	12.0K	₩1,370	+0.5%	₩16M ($11K)
2026-07-09	BUY	Market Buy	김경호 Kyungho Kim	CEO	2.0K	₩1,370	+0.5%	₩3M ($2K)
2026-06-26	BUY	Market Buy	김제성 Kim Je-seong	Internal director	8.2K	-	-	-
2026-06-25	BUY	Market Buy	서정교 Seo Jeong-gyo	CEO	35.2K	-	-	-
2026-06-25	BUY	Market Buy	김경호 Kyungho Kim	CEO	3.9K	-	-	-
2026-06-25	BUY	Market Buy	김제성 Kim Je-seong	Internal director	21.0K	-	-	-
2026-06-24	BUY	Market Buy	김제성 Kim Je-seong	Internal director	5.2K	-	-	-
2026-06-24	BUY	Market Buy	김경호 Kyungho Kim	CEO	1.1K	-	-	-
2026-06-23	BUY	Market Buy	김경호 Kyungho Kim	CEO	6.0K	-	-	-
2026-06-22	BUY	Market Buy	김경호 Kyungho Kim	CEO	3.0K	-	-	-
2026-06-10	BUY	Market Buy	김제성 Kim Je-seong	Internal director	700	₩1,328	-0.8%	₩930K ($646)
2026-06-09	BUY	Market Buy	김제성 Kim Je-seong	Internal director	1.6K	₩1,293	+1.9%	₩2M ($2K)
2026-06-08	BUY	Market Buy	김경호 Kyungho Kim	CEO	11.5K	-	-	-
2026-06-04	BUY	Market Buy	김경호 Kyungho Kim	CEO	1.0K	-	-	-
2026-06-01	BUY	Market Buy	김제성 Kim Je-seong	Internal director	17.0K	-	-	-
2026-06-01	BUY	Market Buy	김경호 Kyungho Kim	CEO	3.5K	-	-	-
2026-06-01	BUY	Market Buy	서정교 Seo Jeong-gyo	CEO	18.4K	-	-	-
2026-04-07	BUY	신규선임	최복규 Choi Bok-gyu	Other non-executive directors	65.5K	₩2,080	-2.4%	₩136M ($95K)
2026-03-06	BUY	Market Buy	정건영 Jeong Geon-young	Internal director	1.0K	-	-	-
2026-03-06	BUY	Market Buy	정건영 Jeong Geon-young	Internal director	21.8K	-	-	-
2026-03-06	BUY	Market Buy	정건영 Jeong Geon-young	Internal director	6.4K	-	-	-
2026-03-06	BUY	Market Buy	정건영 Jeong Geon-young	Internal director	758	-	-	-
2026-02-20	BUY	Market Buy	서정교 Seo Jeong-gyo	CEO	17.2K	₩1,988	+10.9%	₩34M ($24K)
2026-02-20	SELL	Market Sell	서정교 Seo Jeong-gyo	CEO	-38.5K	₩1,988	-10.9%	₩77M ($53K)
2026-02-20	BUY	Market Buy	서정교 Seo Jeong-gyo	CEO	11.3K	₩1,988	+10.9%	₩22M ($16K)

Showing the 50 most recent of 67 filings.

Frequently asked questions

Who has been buying FSN stock?: 4 distinct insiders have filed 32 disclosed insider purchases in FSN (214270), most recently on 2026-07-13. 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 FSN have?: FSN has 32 buy-side and 8 sell-side disclosures on record, covering ₩1.3B ($894K) in total reported value, spanning 2024-03-28 to 2026-07-13.
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.