---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-21-329846"
form_type: "8-K"
ticker: "MNTK"
cik: "0001826600"
company_name: "Montauk Renewables, Inc."
filed_at: "2021-11-15T23:59:59+00:00"
generated_at: "2026-06-28T08:38:19.588070+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Montauk Renewables Q3 revenue up 41% to $39.7M, net income $8.9M vs loss year ago

## Summary
- Revenue $39.7M (+40.7% YoY); net income $8.9M vs net loss of $2.1M in Q3 2020.
- Non-GAAP Adjusted EBITDA $12.8M (+27.2% YoY). RNG production 1.5M MMBtu (flat YoY).
- Q4 2021 outlook: RNG revenue $38-46M, production 1.4-1.7M MMBtu; renewable electricity revenue $3.8-4.7M.
- Pico facility idled for digester improvements; resumption expected Q1 2022 with increased output.
- Patent granted for continuous-feed reactor technology; commissioning expected in 2022.

## SEC filing metadata
- accession: 0001193125-21-329846
- form_type: 8-K
- ticker: MNTK
- cik: 0001826600
- company_name: Montauk Renewables, Inc.
- filed_at: 2021-11-15T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- 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/1826600/000119312521329846/0001193125-21-329846-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1826600/000119312521329846/d253805d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-21-329846
- JSON: https://secwatch.observer/filing/0001193125-21-329846.json
- Plain text: https://secwatch.observer/filing/0001193125-21-329846.txt

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