StockCIK 778164

Alto Ingredients, Inc. (ALTO): Insider Trades and Fund Holdings

In the past 12 months, Alto Ingredients, Inc. insiders reported 1 open-market purchase worth $39K and 0 sales worth $0.

1Insider buys, 12 months

$39KBought by insiders, 12 months

$0Sold by insiders, 12 months

1Tracked funds holding

Recent insider trades

Open-market purchases (code P) and sales (code S) from Form 4. Grants, option exercises and gifts are not shown. Latest filing: Sep 14, 2026.

Recent ALTO insider trades
Filed	Traded	Insider	Role	Type	Shares	Price ($)	Value	Holding	Filing
Sep 14	Sep 14	Gilbert E. NathanDirector	Director	▲ BUY	10,000	3.93	$39K	+1.2%	Form 4 ↗

Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings

Insiders who traded in the past year

Insider	Role	Buys	Bought	Sells	Sold	Latest
Gilbert E. Nathan	Director	1	$39K	0	$0	Sep 14, 2026

Tracked funds that report ALTO

From each fund's latest 13F. Holdings are as of quarter end and are filed up to 45 days later.

Fund	Quarter	Shares	Value	% of portfolio	Change
Renaissance Technologies	Q2 2026	1,518,521	$8.66M	0.01%	▼ −9.3%

Source: SEC Form 13F-HR filings, retrieved Oct 28, 2026. How we read filings

Reading these numbers

Insiders sell for many reasons: taxes, diversification, a house. Purchases with their own money are rarer and are usually read as more informative. A Form 4 is due within two business days of the trade. How to read a Form 4 →