Montauk Renewables, Inc.
MNTK · Gas & Other Services Combined · 142.3M shares · +0%/yr ↑ shares · EDGAR filings ↗
Net buyback after stock comp: -$8M (gross $74K, SBC $8M)
Grade
C58Renewable natural gas producer with healthy operating cash flow but near-zero returns and heavy growth capex straining liquidity.
Strengths
- Solid operating cash margin (17%, 69th pct); ROA roughly at sector median
- Established RNG/environmental-attribute revenue base
Risks
- Near-zero returns (ROE 0.7%, ROA 0.4%) and net income -82% (18th pct)
- Negative FCF (-$86M, capex-heavy) and ~1.1-quarter cash runway (17th pct)
Notable findings
- Cash burnNegative free cash flow (-86.2M)
Quarterly revenue
Last 4 quarters · from SEC filings.
Key metrics
Operating margin
0.5%
Net margin
1.0%
Return on equity
0.7%
Return on assets
0.4%
ROIC
0.2%
Revenue growth (QoQ)
7.0%
Net-income growth
-82.0%
Debt / equity
0.5×
Net debt / EBITDA
3.4×
Current ratio
1.1×
Free cash flow
-$86M
EBITDA
$31M
Tangible book value
$244M
Cash & investments
$24M
Cash runway
1q
Stock comp / revenue
2.5%
Notable events (8-K)
Recent filings
| Form | Filed | Period | Accession |
|---|---|---|---|
| 8-K | 2026-05-28 | 2026-05-26 | 0001193125-26-243221 ↗ |
| 8-K | 2026-05-06 | 2026-05-06 | 0001193125-26-209194 ↗ |
| 10-Q | 2026-05-06 | 2026-03-31 | 0001193125-26-209250 ↗ |
| 8-K | 2026-03-12 | 2026-03-12 | 0001193125-26-103173 ↗ |
| 10-K | 2026-03-11 | 2025-12-31 | 0001193125-26-102364 ↗ |
| 8-K | 2026-03-11 | 2026-03-11 | 0001193125-26-102342 ↗ |
| 8-K | 2026-01-07 | 2025-12-31 | 0001193125-26-006546 ↗ |
| 8-K | 2025-11-05 | 2025-11-05 | 0001193125-25-267090 ↗ |
| 10-Q | 2025-11-05 | 2025-09-30 | 0001193125-25-267126 ↗ |
| 8-K | 2025-08-07 | 2025-08-07 | 0001193125-25-174981 ↗ |
| 10-Q | 2025-08-06 | 2025-06-30 | 0000950170-25-104181 ↗ |
| 8-K | 2025-08-06 | 2025-08-06 | 0000950170-25-104161 ↗ |