
Stephen Machatha
Chief Development Officer · Aldeyra Therapeutics, Inc.
- 2025
- Aug 11, 2025
- 1
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Stephen Machatha 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
- Michael Alfieri - $7K in ALDX purchases and sales in the last 12 months
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Frequently asked questions
Who is Stephen Machatha?
Stephen Machatha is a corporate insider, tracked as Chief Development Officer of Aldeyra Therapeutics, Inc. (ALDX). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Stephen Machatha last file a Form 4?
The only primary Form 4 on record is dated 11 August 2025.
Has Stephen Machatha been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($114K) across all tracked filings.