---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-140763"
form_type: "8-K"
ticker: "MNTK"
cik: "0001826600"
company_name: "Montauk Renewables, Inc."
filed_at: "2023-05-10T23:59:59+00:00"
generated_at: "2026-06-15T06:58:39.690189+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Montauk Q1 revenue drops 40.5% to $19.2M; net loss widens 240% to $3.8M

## Summary
- Revenues $19.2M, down 40.5% YoY; net loss $3.8M vs loss $1.1M in Q1 2022.
- RINs inventory 8.3M units (+88.1%) due to strategic deferral of sales amid volatile D3 RIN pricing.
- RNG production 1.4M MMBtu (-1.2%); Renewable electricity production 46k MWh (+2.2%).
- Full-year 2023 outlook reaffirmed: RNG revenue $137-145M, production 5.7-6.1M MMBtu.
- Entering South Carolina with new landfill gas-to-RNG facility (900 MMBtu/day), expected operational 2025.

## SEC filing metadata
- accession: 0001193125-23-140763
- form_type: 8-K
- ticker: MNTK
- cik: 0001826600
- company_name: Montauk Renewables, Inc.
- filed_at: 2023-05-10T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- 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/1826600/000119312523140763/0001193125-23-140763-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1826600/000119312523140763/d391582d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-140763
- JSON: https://secwatch.observer/filing/0001193125-23-140763.json
- Plain text: https://secwatch.observer/filing/0001193125-23-140763.txt

## Key facts
- Earnings Releases
  Montauk Renewables, Inc. reported 2023 Full Year results: revenue $137.0 and $145.0 million. Guidance reaffirmed.
  - Period: 2023 Full Year
  - Revenue: $137.0 and $145.0 million
  - Guidance: reaffirmed
  - Result: guidance update
  source text: Affirmed 2023 Full Year Outlook: • RNG revenues expected to range between $137.0 and $145.0 million
  evidence_url: https://www.sec.gov/Archives/edgar/data/1826600/000119312523140763/0001193125-23-140763-index.htm
- Earnings Releases
  Montauk Renewables, Inc. reported first quarter ended March 31, 2023 results: revenue $19.2 million, net income Net Loss of $3.8 million.
  - Period: first quarter ended March 31, 2023
  - Revenue: $19.2 million
  - Net income: Net Loss of $3.8 million
  - Result: reported results
  source text: of biogas into renewable natural gas (“RNG”), today announced financial results for the first quarter ended March 31, 2023. First Quarter Financial Highlights: • Revenues of $19.2 million, decreased 40.5% as compared to the first quarter of 2022 • Net Loss of $3.8 million, increased 239.7% as compared to the first quarter of 2022 • RINs generated but unsold of 8.3
  evidence_url: https://www.sec.gov/Archives/edgar/data/1826600/000119312523140763/0001193125-23-140763-index.htm
- Earnings Releases
  Montauk Renewables, Inc. reported first quarter ended March 31, 2023 results: revenue $19.2 million, net income Net Loss of $3.8 million.
  - Period: first quarter ended March 31, 2023
  - Revenue: $19.2 million
  - Net income: Net Loss of $3.8 million
  - Result: reported results
  source text: First Quarter Financial Highlights: • Revenues of $19.2 million, decreased 40.5% as compared to the first quarter of 2022 • Net Loss of $3.8 million, increased 239.7% as compared to the first quarter of 2022
  evidence_url: https://www.sec.gov/Archives/edgar/data/1826600/000119312523140763/0001193125-23-140763-index.htm

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