Alto Ingredients (ALTO) stock: insider trades, news & valuation
Materials · Net buyingShare price and insider trades
Alto Ingredients insider trading at a glance (Oct 9, 2026): in the past 12 months, 1 insider bought $361K and 0 sold $0 of ALTO stock on the open market; P/E 5.5 vs. a sector median of 23.3.
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ALTO insider buying and selling by quarter
Open-market purchases (green, above the line) and sales (red, below), by trade date.
| Quarter | Bought | Purchases | Sold | Sales |
|---|---|---|---|---|
| Q4 2026 | — | 0 | — | 0 |
| Q3 2026 | $247K | 2 | — | 0 |
| Q2 2026 | $114K | 2 | — | 0 |
Valuation, profit and volume
Summary
Over the past 12 months, 1 Alto Ingredients, Inc. insider reported open-market purchases totaling $361K, while 0 insiders reported sales totaling $0. Among insiders with enough purchase history to measure, Gilbert E Nathan (Director) has the highest Insider Score at 97.
ALTO earnings: how the stock reacted
Each quarterly results release (SEC 8-K Item 2.02), the trend before it, insider trades in the 30 days before, and the 2-day market reaction. “E” marks releases on the chart above.
| Release | 15 days before | Insiders, 30 days before | Reaction (2 days) | Next 30 days |
|---|---|---|---|---|
| Aug 5, 2026 | -4.0% | None | -14.6%S&P -0.4% | -10.6% |
| May 6, 2026 | +22.5% | None | -24.2%S&P +1.1% | +19.6% |
| Mar 4, 2026 | -3.0% | None | +54.6%S&P +0.1% | +16.2% |
| Nov 5, 2025 | +0.0% | None | +25.7%S&P -0.7% | +76.8% |
| Aug 6, 2025 | -15.4% | None | -3.8%S&P +0.7% | +17.0% |
| May 7, 2025 | +9.0% | None | +0.0%S&P +1.1% | +20.0% |
| Mar 5, 2025 | -8.9% | None | +9.0%S&P -0.7% | -42.7% |
| Nov 6, 2024 | +10.9% | None | -37.3%S&P +3.3% | +24.0% |
Most companies bar insiders from trading in the weeks before results, so pre-earnings purchases are rare and often made by directors or under pre-set plans. Past reactions don't predict future ones.
ALTO news sentiment trend
Weekly headline tone (positive minus negative headlines) over 13 weeks. Green dots mark weeks with insider buying.
Tone is scored from headline wording only. It describes the news, not where the stock is going.
ALTO stock news and SEC filings
Recent 8-K filings and headlines. Tone is scored from the headline wording; “Policy” marks regulatory, trade or government topics.
Insider transactions
Open-market purchases and sales.
| Filed | Insider | Type | Shares | Price | Value | Since | Score |
|---|---|---|---|---|---|---|---|
| Sep 14SEC | Gilbert E NathanDirector | Buy | 10,000866,393 held (+1%) | $3.93 | $39K | -5.1% | 97 |
| Aug 12SEC | Gilbert E NathanDirector | Buy | 50,000856,393 held (+6%) | $4.15 | $208K | -10.1% | 97 |
| May 14SEC | Gilbert E NathanDirector | Buy | 20,000769,741 held (+3%) | $4.61 | $92K | -19.1% | 97 |
| May 14SEC | Gilbert E NathanDirector | Buy | 5,000774,741 held (+1%) | $4.45 | $22K | -16.2% | 97 |
Insiders at Alto Ingredients, Inc.
| Insider | Bought | Sold | Last filing | Score |
|---|---|---|---|---|
| Gilbert E NathanDirector | $361K | — | Sep 14, 2026 | 97 |
Insider activity at other Materials companies
Same sector, ranked by insider buying in the last 90 days.
ALTO stock: common questions
Are Alto Ingredients, Inc. insiders buying ALTO stock?
In the past 12 months, 1 insiders reported open-market purchases of ALTO worth $361K. The latest was Director Gilbert E Nathan bought $39K of ALTO at $3.93.
Are Alto Ingredients, Inc. insiders selling ALTO stock?
0 insiders reported sales worth $0 over the same period.
Where does this data come from?
Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.
What is ALTO's P/E ratio?
ALTO trades at about 5.5 times trailing earnings, compared with a median of 23.3 for the Materials sector.
What is ALTO's 52-week range?
Over the past year ALTO has traded between $1.01 and $5.99. It last closed at $3.73 on Oct 9, 2026.