Summary
Updated Aug 31, 2026
Hoyoung Huh is Director of PLIANT THERAPEUTICS, INC. (PLRX). 3 SEC Form 4 filings on record going back to 2024, most recently on 12 June 2026. Lifetime open-market purchases: $1.50M.
Recent Transactions
4Every recent SEC Form 4 transaction Hoyoung Huh has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Hoyoung Huh go back to 2024: 3 primary Form 4 filings, an average of 1.0 per year. The typical open-market purchase is $375K (4 buys totaling $1.50M). The largest single buy on record is $1.25M of AKTX in 2025. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Hoyoung Huh files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Bernard Coulie - $114K of PLRX open-market activity in the last 12 months
- Keith Lamont Cummings - $31K of PLRX open-market activity in the last 12 months
- Lily Cheung - $10K of PLRX open-market activity in the last 12 months
- Minnie Kuo - $9K of PLRX open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Hoyoung Huh?
Hoyoung Huh is a corporate insider, tracked as Director of PLIANT THERAPEUTICS, INC. (PLRX). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Hoyoung Huh submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Hoyoung Huh been buying or selling stock?
Recorded transactions: 4 open-market purchases ($1.50M) and 0 open-market sales across all tracked filings.
Where can I see all of Hoyoung Huh's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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