// company-profile
Alto Ingredients, Inc.
ALTOExchangeNasdaqSectorIndustrial Organic ChemicalsInc.DEFilings51Insiders12
// api This Alto Ingredients, Inc. insider-trading data is served live by the Form4API insider trading API. Get the same data via API.
// activity-summary
No insider transactions in the last 30 days.
// 90-day insight
Over the last 90 days, Alto Ingredients, Inc. insiders bought $114K (2 transactions) and sold $932K (5 transactions).
- Most active insider: Graham Auste M with 2 transactions totaling $158K.
- Largest single sale: $350K by McGregor Bryon T on Apr 1, 2026.
Activity skews bearish — sales outpace buys.
Institutional Ownership
Top 13F-HR holders of Alto Ingredients, Inc. as of 2026-03-31
Total reported AUM
$160.6M
QoQ change
+155.0%
Reporting period
2026-03-31
#1
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
$15.4M
3.2M shares
#2
MARSHALL WACE, LLP
CIK 1318757
$11.4M
2.4M shares
#3
TWO SIGMA INVESTMENTS, LP
CIK 1179392
$9.7M
2.0M shares
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| May 14, 2026 | Graham Auste M | ALTO | Gift | 20,000 | $0.00 | $0K |
| May 13, 2026 | NATHAN GILBERT E | ALTO | Purchase | 5,000 | $4.45 | $22K |
| May 12, 2026 | NATHAN GILBERT E | ALTO | Purchase | 20,000 | $4.61 | $92K |
| Apr 1, 2026 | Olander Robert R. | ALTO | Tax Withholding | 41,072 | $4.79 | $197K |
| Apr 1, 2026 | Benton Todd E | ALTO | Tax Withholding | 25,359 | $4.79 | $121K |
45 more transactions hidden
Free account · No credit card required
Building something? Get API access →
Popular companies on Form4API
Browse insider trading activity for other actively-filed companies.