---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-24-021413"
form_type: "8-K"
ticker: "ALTO"
cik: "0000778164"
company_name: "Alto Ingredients, Inc."
filed_at: "2024-03-11T23:59:59+00:00"
generated_at: "2026-06-05T00:14:49.047587+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Alto Ingredients reports Q4 net loss $19.3M, FY gross profit $15.7M; signs LOI for CO2 storage

## Summary
- Q4 net loss $0.26 per share vs $0.46; FY net loss $0.40 vs $0.60.
- FY 2023 gross profit $15.7M vs gross loss $27.6M; Q4 gross loss $2.5M vs $21.3M loss.
- Q4 adjusted EBITDA $3.5M vs negative $15.5M; FY adjusted EBITDA $20.8M vs negative $5.7M.
- Signed LOI with Vault 44.01 for permanent CO2 storage near Pekin campus to reduce carbon emissions.
- Temporarily hot-idled Magic Valley facility in Q1 2024 to install design upgrades; restart expected in Q2 2024.

## SEC filing metadata
- accession: 0001213900-24-021413
- form_type: 8-K
- ticker: ALTO
- cik: 0000778164
- company_name: Alto Ingredients, Inc.
- filed_at: 2024-03-11T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/778164/000121390024021413/0001213900-24-021413-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/778164/000121390024021413/ea0201506-8k_altoing.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-24-021413
- JSON: https://secwatch.observer/filing/0001213900-24-021413.json
- Plain text: https://secwatch.observer/filing/0001213900-24-021413.txt

## Key facts
- Earnings Releases
  Alto Ingredients, Inc. reported Three months ended December 31, 2023 results: net income -19.3 million, EPS -0.26.
  - Period: Three months ended December 31, 2023
  - Net income: -19.3 million
  - EPS: -0.26
  - Result: reported results
  source text: Net sales were $273.6 million, compared to $328.4 million.
  evidence_url: https://www.sec.gov/Archives/edgar/data/778164/000121390024021413/0001213900-24-021413-index.htm
- Earnings Releases
  Alto Ingredients, Inc. reported Three months ended December 31, 2023 results: net income -19.3 million, EPS -0.26.
  - Period: Three months ended December 31, 2023
  - Net income: -19.3 million
  - EPS: -0.26
  - Result: reported results
  source text: Net loss available to common stockholders was $19.3 million, or $0.26 per share, compared to $33.4 million, or $0.46 per share.
  evidence_url: https://www.sec.gov/Archives/edgar/data/778164/000121390024021413/0001213900-24-021413-index.htm
- Earnings Releases
  Alto Ingredients, Inc. reported Year ended December 31, 2023 results: net income -29.3 million, EPS -0.40.
  - Period: Year ended December 31, 2023
  - Net income: -29.3 million
  - EPS: -0.40
  - Result: reported results
  source text: Net sales were $1,222.9 million, compared to $1,335.6 million.
  evidence_url: https://www.sec.gov/Archives/edgar/data/778164/000121390024021413/0001213900-24-021413-index.htm
- Earnings Releases
  Alto Ingredients, Inc. reported Year ended December 31, 2023 results: net income -29.3 million, EPS -0.40.
  - Period: Year ended December 31, 2023
  - Net income: -29.3 million
  - EPS: -0.40
  - Result: reported results
  source text: Net loss available to common stockholders was $29.3 million, or $0.40 per share, compared to a loss of $42.9 million, or $0.60 per share.
  evidence_url: https://www.sec.gov/Archives/edgar/data/778164/000121390024021413/0001213900-24-021413-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.