Michael Alfieri, Principal Financial Officer at Aldeyra Therapeutics, Inc. (ALDX), bought 5,000 shares at $1.42 ($7K) on 2026-03-18, disclosed to the SEC on 2026-03-19.
Open-market purchase of $7k ALDX by Principal Financial Officer. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history). Context: insider career grade C.
Something here stands out, but not much.
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