Summary
Updated Aug 30, 2026
Joanna Horobin is Director of Liquidia Corp (LQDA). 2 SEC Form 4 filings on record going back to 2025, most recently on 18 June 2026. Most recent open-market trade: sold $136K of LQDA on 19 August 2025. Lifetime open-market sales: $136K.
Recent Transactions
2Every recent SEC Form 4 transaction Joanna Horobin has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Joanna Horobin go back to 2025: 2 primary Form 4 filings, an average of 1.0 per year. 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 Joanna Horobin 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.
- Stephen M. Bloch - $118.66M of LQDA open-market activity in the last 12 months
- Paul B. Manning - $31.74M of LQDA open-market activity in the last 12 months
- Roger Jeffs - $29.23M of LQDA open-market activity in the last 12 months
- Michael Kaseta - $14.62M of LQDA open-market activity in the last 12 months
- Rajeev Saggar - $10.37M of LQDA open-market activity in the last 12 months
- Jason Adair - $7.26M of LQDA 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 Joanna Horobin?
Joanna Horobin is a corporate insider, tracked as Director of Liquidia Corp (LQDA). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Joanna Horobin submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Joanna Horobin been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($136K) across all tracked filings.
Where can I see all of Joanna Horobin'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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