Nasdaq · CIK 0000778164
ALTO Alto Ingredients, Inc.
Insider trading from SEC Form 4. Last filing 29 d ago. Close $3.73 on Oct 9, 2026, +269% from the 52-week low and -38% from the high.
Alto Ingredients, Inc. (ALTO) has 31 SEC Form 4 filings on file from 10 insiders, the latest filed on Sep 14, 2026. In the last 90 days insiders made 1 open-market buy worth $39k and 0 open-market sells worth $0, net +$39k.
6 open-market trades have been scored at ALTO. The newest: Gilbert E Nathan (director) bought $39k of stock on Sep 14, 2026, filed Sep 14, 2026, scored 29 (weak). The largest of the 6 shown: Gilbert E Nathan (director) bought $114k on May 12, 2026, scored 29 (weak). 3 insiders bought within 14 days of each other around Nov 13, 2024.
ALTO closed at $3.73 on Oct 9, 2026, 269% above its 52-week low and 38% below its 52-week high.
Last 90 days
Price and insider trades, last year
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
Open-market buys and sells at Alto Ingredients, Inc., scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 29Weak | Gilbert E Nathan director buy | $39k 10,000 shares | +1% | +330% from low-34% from high | |
| 29Weak | Gilbert E Nathan director buy | $114k 25,000 shares | +3% | +463% from low-23% from high | |
| 18Weak | James R Sneed Chief Commercial Officer buy | $3,364 3,176 shares | +1% | +36% from low-45% from high | |
| 36Weak | Gilbert E Nathan director buy | $40k 30,000 shares | +4% | - | |
| 37Weak | Robert R. Olander Chief Financial Officer buy | $9,959 7,350 shares | +3% | - | |
| 47Moderate | Bryon T McGregor President & CEO buy | $50k 37,000 shares | +5% | - |
Transactions
Every row filed, 37 in all.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 14, 2026 | Gilbert E Nathan director | POpen-market purchase Common Stock | +10,000 | $3.93 | $39k | 866,393 | 29 d ago |
| Jun 23, 2026 | Maria G Gray director | AGrant or award Common Stock | +23,605 | $0.00 | $0 | 179,229 | Jun 25, 2026 |
| Jun 23, 2026 | Dianne S. Nury director | AGrant or award Common Stock | +23,605 | $0.00 | $0 | 241,015 | Jun 25, 2026 |
| Jun 23, 2026 | Gilbert E Nathan director | AGrant or award Common Stock | +31,652 | $0.00 | $0 | 806,393 | Jun 25, 2026 |
| Jun 23, 2026 | Alan Robert Tank director | AGrant or award Common Stock | +23,605 | $0.00 | $0 | 60,271 | Jun 25, 2026 |
| May 14, 2026 | Auste M Graham CLO & Secretary | GGift Common Stock | -20,000 | $0.00 | $0 | 233,173 | May 18, 2026 |
| May 12, 2026 | Gilbert E Nathan director | POpen-market purchase Common Stock | +20,000 | $4.61 | $92k | 769,741 | May 14, 2026 |
| May 13, 2026 | Gilbert E Nathan director | POpen-market purchase Common Stock | +5,000 | $4.45 | $22k | 774,741 | May 14, 2026 |
| Apr 1, 2026 | Auste M Graham CLO & Secretary | FTax withholding Common Stock | -32,902 | $4.79 | $158k | 253,173 | Apr 3, 2026 |
| Apr 1, 2026 | Bryon T McGregor President & CEO | FTax withholding Common Stock | -73,062 | $4.79 | $350k | 957,882 | Apr 3, 2026 |
| Apr 1, 2026 | James R Sneed Chief Commercial Officer | FTax withholding Common Stock | -22,265 | $4.79 | $107k | 440,926 | Apr 3, 2026 |
| Apr 1, 2026 | Robert R. Olander Chief Financial Officer | FTax withholding Common Stock | -41,072 | $4.79 | $197k | 253,086 | Apr 3, 2026 |
| Apr 1, 2026 | Todd E Benton COO | FTax withholding Common Stock | -25,359 | $4.79 | $121k | 184,130 | Apr 3, 2026 |
| Mar 17, 2026 | Bryon T McGregor President & CEO | AGrant or award Common Stock | +100,108 | $0.00 | $0 | 1,030,944 | Mar 19, 2026 |
| Mar 17, 2026 | Auste M Graham CLO & Secretary | AGrant or award Common Stock | +30,794 | $0.00 | $0 | 286,075 | Mar 19, 2026 |
| Mar 17, 2026 | Robert R. Olander Chief Financial Officer | AGrant or award Common Stock | +35,730 | $0.00 | $0 | 294,158 | Mar 19, 2026 |
| Mar 17, 2026 | James R Sneed Chief Commercial Officer | AGrant or award Common Stock | +30,794 | $0.00 | $0 | 463,191 | Mar 19, 2026 |
| Mar 17, 2026 | Todd E Benton COO | AGrant or award Common Stock | +35,730 | $0.00 | $0 | 209,489 | Mar 19, 2026 |
| Aug 13, 2025 | James R Sneed Chief Commercial Officer | POpen-market purchase Common Stock | +3,176 | $1.06 | $3,364 | 432,397 | Aug 14, 2025 |
| Jul 9, 2025 | Alan Robert Tank director | AGrant or award Common Stock | +36,666 | $0.00 | $0 | 36,666 | Jul 11, 2025 |
| Jul 9, 2025 | Jeremy Bezdek director | AGrant or award Common Stock | +36,666 | $0.00 | $0 | 36,666 | Jul 11, 2025 |
| Jul 9, 2025 | Gilbert E Nathan director | AGrant or award Common Stock | +49,166 | $0.00 | $0 | 749,741 | Jul 11, 2025 |
| Jul 9, 2025 | Maria G Gray director | AGrant or award Common Stock | +36,666 | $0.00 | $0 | 155,624 | Jul 11, 2025 |
| Jul 9, 2025 | Dianne S. Nury director | AGrant or award Common Stock | +36,666 | $0.00 | $0 | 217,410 | Jul 11, 2025 |
| Mar 31, 2025 | Auste M Graham CLO & Secretary | AGrant or award Common Stock | +47,834 | $0.00 | $0 | 277,958 | Apr 2, 2025 |
| Mar 31, 2025 | Todd E Benton COO | AGrant or award Common Stock | +55,500 | $0.00 | $0 | 189,112 | Apr 2, 2025 |
| Mar 31, 2025 | Robert R. Olander Chief Financial Officer | AGrant or award Common Stock | +55,500 | $0.00 | $0 | 280,556 | Apr 2, 2025 |
| Mar 31, 2025 | James R Sneed Chief Commercial Officer | AGrant or award Common Stock | +47,834 | $0.00 | $0 | 429,221 | Apr 2, 2025 |
| Mar 31, 2025 | Bryon T McGregor President & CEO | AGrant or award Common Stock | +155,500 | $0.00 | $0 | 989,765 | Apr 2, 2025 |
| Apr 1, 2025 | Todd E Benton COO | FTax withholding Common Stock | -15,353 | $1.12 | $17k | 173,759 | Apr 2, 2025 |
| Apr 1, 2025 | Robert R. Olander Chief Financial Officer | FTax withholding Common Stock | -22,128 | $1.12 | $25k | 258,428 | Apr 2, 2025 |
| Apr 1, 2025 | Bryon T McGregor President & CEO | FTax withholding Common Stock | -58,929 | $1.12 | $66k | 930,836 | Apr 2, 2025 |
| Apr 1, 2025 | Auste M Graham CLO & Secretary | FTax withholding Common Stock | -22,677 | $1.12 | $25k | 255,281 | Apr 2, 2025 |
| Nov 13, 2024 | Gilbert E Nathan director | POpen-market purchase Common Stock | +25,000 | $1.34 | $33k | 700,575 | Nov 15, 2024 |
| Nov 13, 2024 | Gilbert E Nathan director | POpen-market purchase Common Stockindirect: by spouse | +5,000 | $1.33 | $6,625 | 31,200 | Nov 15, 2024 |
| Nov 12, 2024 | Robert R. Olander Chief Financial Officer | POpen-market purchase Common Stock | +7,350 | $1.36 | $9,959 | 225,056 | Nov 13, 2024 |
| Nov 12, 2024 | Bryon T McGregor President & CEO | POpen-market purchase Common Stock | +37,000 | $1.36 | $50k | 834,265 | Nov 13, 2024 |
Insiders
Everyone who has filed a Form 4 here.
- Todd E BentonCOO
- Jeremy Bezdekdirector
- Auste M GrahamCLO & Secretary
- Maria G Graydirector
- Bryon T McGregorPresident & CEO
- Gilbert E Nathandirector
- Dianne S. Nurydirector
- Robert R. OlanderChief Financial Officer
- James R SneedChief Commercial Officer
- Alan Robert Tankdirector
Questions about ALTO
Answered from the filings on this page, as of the latest one.
Are insiders buying ALTO?
As of Sep 14, 2026, SEC Form 4 filings show 1 open-market buy worth $39k by 1 insider and 0 open-market sells worth $0 by 0 insiders at Alto Ingredients, Inc. in the last 90 days, net +$39k. Only purchases (code P) and sales (code S) count; grants, option exercises and tax withholding do not.
Who was the last insider to trade ALTO on the open market?
Gilbert E Nathan (director) bought $39k of ALTO on Sep 14, 2026 and filed the Form 4 on Sep 14, 2026. InsiderTell scored 29 (weak).
How many insiders file Form 4 at Alto Ingredients, Inc.?
10 people have filed a Form 4 at Alto Ingredients, Inc., among them Todd E Benton (COO), Jeremy Bezdek (director), Auste M Graham (CLO & Secretary). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.