ALTO insider trading — Alto Ingredients, Inc.
Over the last 90 days, insiders at Alto Ingredients, Inc. (ALTO) made 2 open-market purchases worth $247K and 0 open-market sales worth $0, making them net buyers by $247K. The largest purchase was by Nathan Gilbert E (Director), who bought 50,000 shares for $208K on Aug 11, 2026.
Updated Oct 16, 2026.
Recent ALTO insider transactions
Every Form 4 filed by Alto Ingredients, Inc. officers, directors and 10% owners in the last 90 days, newest first. P = open-market purchase, S = open-market sale; other codes are awards, option exercises, tax withholding or gifts.
| Trade date | Insider | Role | Type | Ownership | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| Sep 14, 2026 | Nathan Gilbert E | Director | P · Purchase | Direct | 10,000 | $3.93 | $39K | Form 4 |
| Aug 11, 2026 | Nathan Gilbert E | Director | P · Purchase | Direct | 50,000 | $4.15 | $208K | Form 4 |
ALTO insider trading FAQ
Are insiders buying ALTO stock?
Yes. In the last 90 days, Alto Ingredients, Inc. insiders made 2 open-market purchases totaling $247K, and no open-market sales. Purchases with the insider's own money are generally seen as a stronger signal than sales, which happen for many reasons (taxes, diversification, planned 10b5-1 sales).
Who are the insiders trading ALTO?
Recent buyers: Nathan Gilbert E.
Where does ALTO insider trading data come from?
Every transaction comes from SEC Form 4 filings on EDGAR. Company officers, directors and 10% owners must file a Form 4 within two business days of buying or selling. InsiderBolt reads these filings directly from the SEC.
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Insider trading data is for informational purposes only and is not investment advice. Filings can be amended; always confirm details on SEC EDGAR.