10 insiders reported 32 Form 4 transactions for Alto Ingredients, Inc. (ALTO) over the past 18 months (most recent 2026-06-25). Recent activity: NATHAN GILBERT E (Director) Buy 31,652 shares, Nury Dianne S. (Director) Buy 23,605 shares, Gray Maria G (Director) Buy 23,605 shares, Tank Alan Robert (Director) Buy 23,605 shares, Graham Auste M (CLO & Secretary) Sell 20,000 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-25 | NATHAN GILBERT E | Director | Buy | 31,652 | $0 |
| 2026-06-25 | Nury Dianne S. | Director | Buy | 23,605 | $0 |
| 2026-06-25 | Gray Maria G | Director | Buy | 23,605 | $0 |
| 2026-06-25 | Tank Alan Robert | Director | Buy | 23,605 | $0 |
| 2026-05-18 | Graham Auste M | CLO & Secretary | Sell | 20,000 | $0 |
| 2026-05-14 | NATHAN GILBERT E | Director | Buy | 20,000 | $92,200 |
| 2026-05-14 | NATHAN GILBERT E | Director | Buy | 5,000 | $22,250 |
| 2026-04-03 | Sneed James R | Chief Commercial Officer | Sell | 22,265 | $106,649 |
| 2026-04-03 | McGregor Bryon T | President & CEO | Sell | 73,062 | $349,967 |
| 2026-04-03 | Graham Auste M | CLO & Secretary | Sell | 32,902 | $157,601 |
| 2026-04-03 | Olander Robert R. | Chief Financial Officer | Sell | 41,072 | $196,735 |
| 2026-04-03 | Benton Todd E | COO | Sell | 25,359 | $121,470 |
| 2026-03-19 | Benton Todd E | COO | Buy | 35,730 | $0 |
| 2026-03-19 | McGregor Bryon T | President & CEO | Buy | 100,108 | $0 |
| 2026-03-19 | Sneed James R | Chief Commercial Officer | Buy | 30,794 | $0 |
| 2026-03-19 | Olander Robert R. | Chief Financial Officer | Buy | 35,730 | $0 |
| 2026-03-19 | Graham Auste M | CLO & Secretary | Buy | 30,794 | $0 |
| 2025-08-14 | Sneed James R | Chief Commercial Officer | Buy | 3,176 | $3,367 |
| 2025-07-11 | NATHAN GILBERT E | Director | Buy | 49,166 | $0 |
| 2025-07-11 | Bezdek Jeremy | Director | Buy | 36,666 | $0 |
| 2025-07-11 | Nury Dianne S. | Director | Buy | 36,666 | $0 |
| 2025-07-11 | Gray Maria G | Director | Buy | 36,666 | $0 |
| 2025-07-11 | Tank Alan Robert | Director | Buy | 36,666 | $0 |
| 2025-04-02 | Sneed James R | Chief Commercial Officer | Buy | 47,834 | $0 |
| 2025-04-02 | Benton Todd E | COO | Buy | 55,500 | $0 |
Source: SEC Form 4 filings · as of 2026-06-25