Who has been buying Vaxcell Bio stock?

2 distinct insiders have filed 6 disclosed insider purchases in Vaxcell Bio (323990), most recently on 2026-03-25. 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 Vaxcell Bio have?

Vaxcell Bio has 6 buy-side and 0 sell-side disclosures on record, covering ₩73M ($51K) in total reported value, spanning 2024-02-14 to 2026-03-25.

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.

Vaxcell Bio 323990

Company

박셀바이오Vaxcell Bio

Insiders

Buys

Total Value

₩73M ($51K)

Avg Return

-10.71%

Last Filing

2026-03-25

Vaxcell Bio (323990) has 6 disclosed insider purchases and 0 disclosed disposals on record, filed by 2 distinct insiders. Together those filings cover ₩73M ($51K) in reported transaction value. The earliest filing StockDrifts holds for Vaxcell Bio is dated 2024-02-14; the most recent is 2026-03-25. Across these filings the average return since disclosure is -10.71%, 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
2026-03-25	BUY	Market Buy	이제중 Lee Je-jung	CEO	1.0K	₩8,150	-1.7%	₩8M ($6K)
2026-03-25	BUY	Market Buy	정성창 Seongchang Jeong	vice president	1.0K	₩8,150	-1.7%	₩8M ($6K)
2026-01-02	BUY	신규등록	김상기 Kim Sang-ki	Managing Director	1.9K	₩10,020	-2.2%	₩19M ($13K)
2026-01-02	BUY	신규등록	김경근 Gyeonggeun Kim	Managing Director	1.1K	₩10,020	-2.2%	₩11M ($8K)
2026-01-02	BUY	신규등록	서민수 Seo Min-su	Managing Director	400	₩10,020	-2.2%	₩4M ($3K)
2025-04-08	BUY	합병	이정민 Jeongmin Lee	Managing Director	192.5K	₩7,740	+26.6%	₩1.5B ($1.0M)
2025-03-06	BUY	Market Buy	정성창 Seongchang Jeong	vice president	1.0K	₩8,690	+12.8%	₩9M ($6K)
2025-03-06	BUY	Market Buy	이제중 Lee Je-jung	CEO	1.5K	₩8,690	+12.8%	₩13M ($9K)
2024-10-18	SELL	증여	이제중 Lee Je-jung	CEO	-150.0K	₩13,580	+27.8%	₩2.0B ($1.4M)
2024-05-20	BUY	Market Buy	이제중 Lee Je-jung	CEO	1.0K	₩19,050	-48.6%	₩19M ($13K)
2024-04-26	BUY	Market Buy	정성창 Seongchang Jeong	Internal director	1.0K	₩15,750	-37.8%	₩16M ($11K)
2024-02-28	SELL	증여	이준행 Junhaeng Lee	Internal director	-8.0K	₩19,950	+50.9%	₩160M ($111K)
2024-02-14	SELL	증여	이준행 Junhaeng Lee	Internal director	-124.4K	₩19,310	+49.3%	₩2.4B ($1.7M)

Frequently asked questions

Who has been buying Vaxcell Bio stock?: 2 distinct insiders have filed 6 disclosed insider purchases in Vaxcell Bio (323990), most recently on 2026-03-25. 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 Vaxcell Bio have?: Vaxcell Bio has 6 buy-side and 0 sell-side disclosures on record, covering ₩73M ($51K) in total reported value, spanning 2024-02-14 to 2026-03-25.
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.