Summary
Updated Aug 30, 2026
David Edward Johnson is Director, 10% Owner of Liquidia Corp (LQDA). 3 SEC Form 4 filings on record going back to 2025, most recently on 18 June 2026. Most recent open-market trade: bought $1.19M of EXEL on 26 November 2025. Lifetime open-market purchases: $1.19M.
Recent Transactions
2Every recent SEC Form 4 transaction David Edward Johnson has reported, most recent first.
Trading Pattern
InsiderAlpha's records for David Edward Johnson go back to 2025: 3 primary Form 4 filings, an average of 1.5 per year. The typical open-market purchase is $1.19M (1 buy totaling $1.19M). The largest single buy on record is $1.19M of EXEL 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 David Edward Johnson 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 David Edward Johnson?
David Edward Johnson is a corporate insider, tracked as Director, 10% Owner of Liquidia Corp (LQDA). InsiderAlpha holds 3 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 David Edward Johnson submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has David Edward Johnson been buying or selling stock?
Recorded transactions: 1 open-market purchase ($1.19M) and 0 open-market sales across all tracked filings.
Where can I see all of David Edward Johnson'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.
Learn More
Follow David Edward Johnson and every insider like them
A free account opens the full scored daily plan and every past day, a watchlist for any ticker, and 3 months of price history on every company page. No card.
Free plan available · Paid plans start with a 7-day free trial