Gilbert E. Nathan, Director at Alto Ingredients, Inc. (ALTO), bought 10,000 shares at $4.96 ($50K) on 2021-12-08, disclosed to the SEC on 2021-12-09.
Open-market purchase of $50k ALTO by Director. 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.
Nothing distinguishes this filing.
| Filing → |
| ALTO | BUY | 2026-05-14 | $114K | — | Filing → |
| MX | BUY | 2026-03-17 | $126K | — | Filing → |
| MX | BUY | 2026-03-16 | $210K | — | Filing → |