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ALTO Alto Ingredients, Inc. Insider Trading

Latest: Director Bought $114K of Shares · May 2026

Multiple insiders have been active at Alto Ingredients, Inc. (ALTO): 4 distinct insiders account for 5 buy filings and 0 sell filings as of May 2026. Its highest-significance filing in the last 90 days: Director Gilbert E Nathan bought $114K, transaction dated May 2026.

5 filings analyzed · Latest 2026-05-14

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Buys
5
Sells
0
Insiders
4
Direction
Net buying

Alto Ingredients, Inc. leadership

CEO
Bryon T. McGregor — PRINCIPAL EXECUTIVE OFFICER
CFO
Robert R. Olander — PRINCIPAL FINANCIAL OFFICER
Chair
Gilbert E. Nathan — Chairman of the Board

Historically, high-priority insider buys have outperformed the S&P 500 by a median ~2% over the 30 days after the trade — the edge is concentrated in that first month (n ≈ 5,579, 2024-2026). Past results don't predict the future. How we measure this ↗

May 2026
2026-05-14
high
25,000 shares
$114,450
@ $4.58
Significance 8

Director Gilbert E Nathan purchases 25.0K shares for $114.4K; stock up 73.9% in 90 days on improved fundamentals

Director Gilbert E Nathan acquired 25,000 shares for $114,450.00, bringing his post-transaction holdings to 774,741 shares. This purchase occurs as ALTO trades at $4.66, down 22.3% from its 52-week high of $6.00 but significantly outperforming the broader trend with a 90-day gain of 73.9%. Nathan's track record supports credibility: his 17 prior buys averaged 90-day returns of +35.7% with a 100% win rate over that period, though recent 30-day performance has softened at +0.8%. The company shows stabilizing fundamentals with net income of $4.3M on revenue of $224.7M and a rational P/E of 12.26, though annual revenue contracted 4.9%. The purchase signal carries weight given Nathan's consistent buy-then-outperformance pattern and his substantial existing stake, suggesting conviction despite near-term headwinds and the stock's recent pullback from highs.

August 2025
2025-08-14
low
Chief Commercial Officer
3,176 shares
$3,364
@ $1.06
Significance 3

Chief Commercial Officer James R Sneed purchases 3,176 shares of ALTO at $1.06 amid -21.1% annual revenue decline and unprofitability

James R Sneed, Chief Commercial Officer of Alto Ingredients, purchased 3,176 shares at $1.06 on 2025-08-13, a modest addition representing less than 1% of his pre-transaction holdings of 429,221 shares. The purchase occurs in a deteriorating fundamental backdrop: the company reported -$10,997,000 net income over its most recent full fiscal year, annual revenue declined -21.1% year-over-year, and the stock has fallen -46.4% from its 52-week high of $1.94, now trading at $1.04 (below the transaction price within days). The relatively small transaction size and limited incremental weight suggest this is not a substantial conviction signal. An investor should note the fundamental weakness—sustained unprofitability and sharp revenue contraction—in context of any insider purchase, particularly one of this magnitude.

November 2024
2024-11-15
high
30,000 shares
$40,100
@ $1.34
Significance 7

Director Nathan Gilbert buys 30,000 shares at $1.34 avg; holdings jump 2500% amid cluster buy & prior strong timing

Nathan Gilbert E, a director at Alto Ingredients, purchased 2 separate tranches totaling 30,000 shares for $40,100.00 on 2024-11-13, expanding his holdings from 1,200 to 31,200 shares—a 2500.0% increase. The timing pattern warrants attention: his 2 prior buys at ALTO (both in May/June 2023) were well-timed at the 90-day mark, with 90d returns of +83.2% and +78.4%, suggesting a demonstrated ability to identify entry points at this company. This current purchase arrives as a cluster buy, with 2 other insiders also buying within the past 14 days. However, the stock is trading at $1.37 against a 52-week high of $2.94 (down 53.4%), and the company remains unprofitable with latest-quarter net income of $-2.4M and annual revenue declining 8.4%, creating an uncertain backdrop despite the insider accumulation signal.

2024-11-13
medium
Chief Financial Officer
7,350 shares
$9,959
@ $1.36
Significance 6

CFO Olander buys 7,350 ALTO shares at $1.36; 2 other insiders bought in past 14 days amid -55.4% slide from 52-week high.

Robert R. Olander, CFO of Alto Ingredients, purchased 7,350 shares at $1.36 on 2024-11-12, increasing his holdings by 3.4% to 225,056 shares. This purchase occurred amid significant downward price pressure: the stock is -55.4% from its 52-week high and has declined 19.1% over the past 30 days. A cluster pattern emerges—two other insiders also bought within the past 14 days—suggesting coordinated response to recent weakness rather than isolated opportunistic trading. The company's fundamentals are deteriorating: latest quarterly revenue is $251,814,000 but net income is negative at $-2,441,000, with annual revenue growth at -8.4% and the company unprofitable over its most recent full fiscal year. The confluence of multiple insider purchases during a sustained decline, combined with fundamental headwinds, warrants attention to whether this represents conviction or a required response to market conditions.

2024-11-13
high
President & CEO
37,000 shares
$50,424
@ $1.36
Significance 6

CEO McGregor bought 37,000 shares ($50.4K) at $1.36; stock down 55.4% from 52-week high; cluster of 2 other insider buys in 14 days

McGregor Bryon T, President & CEO, purchased 37,000 shares at $1.36, adding 4.6% to his holdings now totaling 834.3K shares. This transaction occurs within a cluster pattern—2 other insiders also bought within the past 14 days—suggesting coordinated confidence at current levels. However, the stock has declined 55.4% from its 52-week high of $2.94 and the company is unprofitable, with net income of $-2.4M on quarterly revenue of $251.8M and annual revenue contraction of -8.4%. The CEO's accumulation against a backdrop of operational losses and sharply depressed valuation merits scrutiny of the company's turnaround plans and whether management sees near-term catalysts not yet reflected in market pricing.

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