Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies William D. Clark 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.
- Todd C. Brady - $418K in ALDX purchases and sales in the last 12 months
- Richard Douglas - $98K in ALDX purchases and sales in the last 12 months
- Felipe Duran - $50K in IBIO purchases and sales in the last 12 months
- Martin Brenner - $25K in IBIO purchases and sales in the last 12 months
- Marc Banjak - $23K in IBIO purchases and sales in the last 12 months
- Michael Alfieri - $7K in ALDX purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is William D. Clark?
William D. Clark is a corporate insider of Aldeyra Therapeutics, Inc. (ALDX). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did William D. Clark last file a Form 4?
The most recent primary Form 4 on record is dated 11 June 2026, one of 3 filings going back to 2024.