Free cash outflow widened to $7.0M in 2026Q2 for a -54.3% FCF margin, with ten-quarter capex of $11.0M running 2.4x the $4.5M cumulative depreciation charge while $45.9M of free cash was consumed and no dividends or meaningful buybacks were deployed.
Perma-Fix Environmental Services, Inc. (PESI) cash flow statement — 30-year operating, investing & financing cash flows
| Metric | TTM | Dec'25 | Dec'24 | Dec'23 | Dec'22 | Dec'21 | Dec'20 | Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | Dec'13 | Dec'12 | Dec'11 | Dec'10 | Dec'09 | Dec'08 | Dec'07 | Dec'06 | Dec'05 | Dec'04 | Dec'03 | Dec'02 | Dec'01 | Dec'00 | Dec'99 | Dec'98 | Dec'97 | Dec'96 |
|---|
| Cash from Operations | 18.32M | -10.75M | -14.74M | 6.47M | -553K | -6.84M | 7.37M | -4.68M | 1.96M | 442K | 104K | -1.16M | -1.43M | -2.72M | -3.41M | 20.76M | 7.73M | 8.5M | 465K | 6.7M | 1.67M | 7.39M | 6.9M | 3.96M | 5.61M | -204K | -227K | -263K | 1.8M | 0 | -1.3M |
| Operating CF Margin % | - | -17.43% | -24.94% | 7.21% | -0.78% | -9.47% | 6.99% | -6.38% | 3.96% | 0.89% | 0.2% | -1.86% | -2.51% | -3.65% | -2.67% | 17.5% | 7.9% | 8.44% | 0.62% | 12.38% | 1.9% | 8.14% | 8.27% | 4.66% | 6.73% | -0.27% | -0.38% | -0.57% | 5.88% | - | -4.19% |
| Operating CF Growth % | 516.63% | 27.07% | -327.8% | 1270.34% | 91.91% | -192.79% | 257.33% | -338.93% | 343.44% | 325% | 108.98% | 19.13% | 47.28% | 20.33% | -116.42% | 168.55% | -9.04% | 1727.53% | -93.06% | 300.36% | -77.37% | 7.21% | 74.21% | -29.47% | 2851.47% | 10.13% | 13.69% | -114.61% | - | 100% | -1400% |
| Net Income | -22.81M | -10.66M | -19.57M | 918K | -3.21M | 1.09M | 3.15M | 2.73M | -1.07M | -3.54M | -13.26M | -63K | -2.99M | -34.47M | -6.55M | 11.8M | 3.27M | 9.57M | 920K | -9.21M | 4.71M | 3.74M | -19.36M | 3.12M | 2.2M | -602K | -556K | 1.57M | 500K | -3.9M | -400K |
| Depreciation & Amortization | 1.93M | 1.76M | 1.76M | 2.57M | 2.11M | 1.69M | 1.6M | 1.34M | 1.46M | 3.8M | 4.17M | 3.72M | 4.24M | 4.13M | 5.47M | 4.96M | 4.53M | 4.75M | 4.87M | 3.87M | 4.86M | 4.75M | 5.47M | 4.87M | 4.24M | 4.62M | 3.65M | 2.78M | 2.1M | 2M | 2.3M |
| Stock-Based Compensation | 852K | 818K | 656K | 548K | 408K | 250K | 236K | 179K | 198K | 144K | 98K | 92K | 34K | 125K | 191K | 345K | 343K | 964K | 531K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Deferred Taxes | 0 | 0 | 4.45M | -66K | -390K | -3.86M | -119K | 4K | -1.11M | -668K | -3.06M | 418K | 539K | -639K | 1.63M | -3.09M | 1.82M | -2.43M | -4.55M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Other Non-Cash Items | 35.59M | 257K | 188K | 95K | -178K | -4.34M | -9K | 181K | -1.97M | 736K | 9.24M | -3.01M | -1.05M | 25.53M | -4.22M | -2.32M | 426K | -39K | 444K | 11.5M | -1.05M | 926K | 19.38M | 591K | 1.23M | 408K | -13K | -1.19M | -1.6M | 3.2M | -100K |
| Working Capital Changes | -83K | -2.92M | -2.23M | 2.41M | 709K | -1.67M | 2.52M | -9.12M | 4.46M | -35K | 2.92M | -2.32M | -2.2M | 2.61M | 70K | 9.07M | -2.66M | -4.32M | -1.75M | 542K | -6.85M | -2.02M | 1.41M | -4.62M | -2.06M | -4.63M | -3.31M | -3.42M | 800K | -1.3M | -3.1M |
| Change in Receivables | 1.4M | -3.58M | 1.37M | -2.77M | 4.96M | -1.74M | -2.85M | -10.71M | 139K | 515K | 1.07M | -968K | -713K | 3.77M | 5.93M | 7.13M | 3.21M | -77K | 1.36M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Change in Inventory | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -765K | 625K | 5M | -782K | -2.21M | 8.23M | 2.88M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Change in Payables | 4.75M | -1.66M | -6.67M | 665K | -6.27M | -6.55M | 4.22M | 664K | 765K | 1.09M | -3.19M | -3.66M | -29K | -6.43M | -12.05M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Cash from Investing | -8.32M | -4.95M | -4.13M | -2.04M | -997K | -1.56M | -1.59M | -1.41M | -1.32M | -340K | -415K | -492K | 6.58M | -1.49M | -711K | -12.98M | -5.05M | -6.36M | 1.75M | -7.58M | -6.84M | -2.52M | -6.75M | -3.41M | -4.76M | -14.02M | -5.15M | -3.22M | -1.7M | -1.5M | -1M |
| Capital Expenditures | -7.28M | -4.92M | -3.4M | -1.71M | -1.02M | -1.58M | -1.72M | -1.53M | -1.43M | -439K | -436K | -623K | -464K | -944K | -412K | -2.3M | -1.57M | -1.52M | -981K | -2.72M | -6.35M | -2.1M | -2.74M | -2.18M | -4.76M | -4.08M | -3.17M | -1.83M | -2M | -1.5M | -2.1M |
| CapEx % of Revenue | 12.63% | 7.99% | 5.76% | 1.91% | 1.45% | 2.18% | 1.63% | 2.09% | 2.89% | 0.88% | 0.85% | 1% | 0.81% | 1.27% | 0.32% | 1.94% | 1.61% | 1.51% | 1.3% | 5.03% | 7.22% | 2.31% | 3.28% | 2.57% | 5.71% | 5.48% | 5.36% | 3.95% | 6.54% | 5.28% | 6.77% |
| Acquisitions | 0 | 0 | 0 | 0 | 0 | -4K | 0 | 0 | 0 | 0 | 0 | 50K | 1.21M | -18K | 0 | -15.63M | 0 | 0 | -14K | -2.99M | 0 | 0 | -2.9M | 0 | 0 | 0 | -2.23M | -2.62M | 0 | 0 | 0 |
| Investments | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Other Investing | -1.03M | -26K | -725K | -324K | 26K | 17K | 122K | 123K | 114K | 99K | 21K | 177K | 7.07M | -508K | 1.62M | -840K | -533K | 31K | 2.75M | -1.86M | -495K | -425K | -1.11M | -1.23M | 4K | -9.93M | 257K | 1.23M | 300K | 0 | 1.1M |
| Cash from Financing | -149K | -981K | 40.95M | 1.7M | -921K | 4.94M | 1.89M | 992K | -580K | -5.02M | -956K | -530K | -1.8M | 168K | -3.57M | 3.5M | -2.65M | -2.13M | -2.21M | -1.55M | 6.94M | -4.99M | -339K | -352K | -1.5M | 14.58M | 5.06M | 3.52M | 400K | 1.8M | 2.1M |
| Debt Issued (Net) | -652K | -939K | -1.12M | 1.6M | -838K | -774K | 1.97M | 971K | -616K | -5.02M | -1.18M | -1.51M | -2.96M | 204K | -3.53M | 2.65M | -3.76M | -3.51M | -2.18M | -1.65M | -5.14M | -5.38M | -11.29M | -3.04M | -2.02M | 3.95M | 3.54M | 4.2M | 400K | -1.7M | -2.5M |
| Equity Issued (Net) | 245K | -23K | 41.86M | 0 | 0 | 5.76M | 0 | 0 | 0 | 0 | 64K | 971K | 1.19M | 0 | 0 | 1M | 509K | 631K | 209K | 472K | 12.08M | 1.11M | 10.95M | 2.68M | 512K | 10.63M | 1.51M | -657K | 0 | 3.5M | 4.6M |
| Dividends Paid | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -184K | 0 | 0 | 0 | 0 | 0 |
| Share Repurchases | -1K | -195K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -4K | -800K | 0 | 0 | -1.8M |
| Other Financing | 258K | -19K | 219K | 94K | -83K | -48K | -79K | 21K | 36K | 0 | 156K | 0 | -35K | -36K | -35K | -157K | 601K | 753K | -238K | -366K | 0 | -715K | 0 | 0 | 0 | 0 | 0 | -22K | 0 | 0 | 0 |
| Net Change in Cash | -1.3M | -17.21M | 22.08M | 6.14M | -2.48M | -3.46M | 7.67M | -5.08M | 42K | 900K | -1.27M | -2.25M | 3.35M | -4.04M | -7.69M | 11.95M | 35K | 12K | 11K | -2.43M | 1.77M | -121K | -196K | 199K | -648K | 362K | -318K | 40K | 500K | 300K | -200K |
| Free Cash Flow | 10.92M | -15.46M | -18.82M | 4.43M | -1.58M | -8.41M | 5.65M | -6.22M | 528K | 3K | -332K | -1.78M | -1.9M | -3.66M | -3.82M | 18.46M | 6.16M | 6.98M | -516K | 3.97M | -4.67M | 5.29M | 4.16M | 1.78M | 852K | -4.29M | -3.4M | -2.1M | -200K | -1.5M | -3.4M |
| FCF Margin % | 18.94% | -25.07% | -31.84% | 4.94% | -2.23% | -11.66% | 5.36% | -8.46% | 1.07% | 0.01% | -0.65% | -2.85% | -3.32% | -4.92% | -3% | 15.56% | 6.3% | 6.93% | -0.68% | 7.35% | -5.32% | 5.83% | 4.99% | 2.1% | 1.02% | -5.75% | -5.74% | -4.51% | -0.65% | -5.28% | -10.97% |
| FCF Growth % | 168.91% | 17.87% | -524.52% | 381.35% | 81.27% | -248.84% | 190.91% | -1277.65% | 17500% | 100.9% | 81.36% | 6.07% | 48.2% | 4.21% | -120.7% | 199.66% | -11.76% | 1452.71% | -112.98% | 185.02% | -188.27% | 27.25% | 133.63% | 109.04% | 119.88% | -26.14% | -61.99% | -948.5% | 86.67% | 55.88% | -21.43% |
| FCF per Share | 0.51 | -0.84 | -1.25 | 0.32 | -0.12 | -0.66 | 0.46 | -0.52 | 0.04 | 0.00 | -0.03 | -0.15 | -0.17 | -0.32 | -0.34 | 1.67 | 0.56 | 0.64 | -0.05 | 0.38 | -0.48 | 0.59 | 0.47 | 0.23 | 0.10 | -0.86 | -0.89 | -0.49 | -0.08 | -0.70 | -1.91 |
| FCF Conversion (FCF/Net Income) | -0.48x | 0.78x | 0.74x | 13.34x | 0.14x | -8.19x | 2.58x | -2.02x | -1.38x | -0.12x | -0.01x | 1.10x | 1.17x | 0.08x | 1.01x | 2.57x | 2.96x | 0.88x | 0.24x | -0.73x | 0.36x | 1.98x | -0.36x | 1.27x | 2.55x | 0.34x | 0.41x | -0.17x | 3.60x | - | 4.33x |
| Interest Paid | -122K | 233K | 478K | 308K | 173K | 230K | 366K | 422K | 248K | 318K | 424K | 903K | 607K | 714K | 922K | 707K | 893K | 4.19M | 1.71M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Taxes Paid | 0 | 0 | 53K | 0 | 6K | 47K | 70K | 245K | 160K | 58K | 41K | 116K | 41K | 110K | 479K | 2.05M | 492K | 349K | 3K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Quick answers to the most common questions about buying PESI stock.
Perma-Fix Environmental Services, Inc. (PESI) generated $-10.8M in net cash from operating activities in 2025. This reflects the cash generated directly from core business operations.
Perma-Fix Environmental Services, Inc. (PESI) reported negative free cash flow of $15.5M in 2025, indicating capital requirements exceeded cash from operations.
Perma-Fix Environmental Services, Inc. (PESI) spent $4.9M on capital expenditures in 2025. CapEx represents the cash invested in physical assets like property, plant, and equipment to maintain or grow the business.
In 2025, Perma-Fix Environmental Services, Inc. (PESI) spent $0.2M on share repurchases. This shows the company's commitment to returning capital to its equity investors.
Key Metrics
Top Statement Risk
Unrelenting free cash burn
Metrics are mathematically derived from official filings.
Losses Buffered by Non-Cash Add-Backs
PESI's operating cash outflow of $34.8M across ten quarters came in roughly $12.8M narrower than its $47.6M cumulative net loss, with the OCF/NI ratio below 1.0 in eight of ten periods, suggesting reported losses are cushioned by depreciation and stock compensation add-backs per SEC-filed cash flow statements.
The $12.8M wedge between cumulative losses and cumulative operating outflow appears largely additive in nature, reconciled by roughly $4.5M of depreciation, $1.9M of stock compensation and $2.1M of net working-capital absorption, rather than evidencing collection strength. The ratio inverted sharply in 2025Q3, where a modest $1.8M net loss coincided with a $4.6M operating outflow (OCF/NI of 2.53), implying that quarters showing 'better' conversion are simply those carrying heavier non-cash charges. Read against the negative gross margin reported for 2026Q2, the conversion profile suggests the business is not generating cash from trading itself.
Free Cash Burn Widening Steeply
Free cash outflow widened to $7.0M in 2026Q2 from $2.3M in 2024Q2, pushing the FCF margin to -54.3% versus -16.6% two years earlier, a deterioration that appears to have outpaced the revenue contraction flagged in the accompanying income statement review.
Every quarter in the series produced negative FCF, with the four most recent periods averaging -$5.4M against -$3.2M for the earliest four, so the trajectory is deteriorating rather than stabilizing. Cumulative FCF of $45.9M of outflow sits only modestly below the $47.6M cumulative net loss, which implies capital spending layered onto operating losses is now a co-equal driver of cash drain. Because the margin has compressed far faster than revenue has fallen, investors should treat the -54.3% print in 2026Q2 as a sign that the loss base, not just the top line, is scaling against cash.
Capital Spending Outruns Depreciation
PESI committed $11.0M of capex across the ten quarters, roughly 2.4x its $4.5M cumulative depreciation charge, while capital intensity rose from 1.8% of revenue in 2024Q1 to 14.1% in 2026Q2 as reported in the company's quarterly cash flow statements.
Capex of $2.1M in 2025Q4 and $1.8M in 2026Q2 was deployed while gross profit had turned negative, so the spending does not appear tied to near-term volume growth and its return profile warrants further investigation. Part of the CapEx/Rev escalation is denominator-driven given the revenue decline, yet absolute capex also stepped up materially from $0.2M in 2024Q1 to $1.8M in 2026Q2, indicating a genuine increase in commitment rather than a ratio artifact. With depreciation running near $450K per quarter against average capex of about $1.1M, the asset base is being expanded or replaced well ahead of what current operations appear to support.
Volatile Working Capital Distorts Burn
Working capital swung from a $3.8M use in 2024Q3 to a $2.9M source in 2026Q1 and a $648K source in 2026Q2, leaving a net $2.1M drain over ten quarters that makes quarter-to-quarter operating cash flow an unreliable read on underlying trading.
Sign reversals between adjacent quarters point to timing effects across receivables, inventory and payables rather than a structural efficiency gain, so single-quarter OCF readings should be treated cautiously. The $2.9M source in 2026Q1 arrived in a period when revenue continued to contract, which may indicate balance-sheet liquidation supporting the cash line rather than improved collections, a distinction the supplied data cannot fully resolve. Investors should monitor whether working-capital sources persist as losses deepen, since continued reliance on them would suggest the reported operating outflow understates the true cash requirement.
Capital Preservation Replaces Shareholder Returns
PESI paid no dividends and repurchased only $1.0K of stock across the ten quarters, deploying essentially nothing to shareholders while consuming $45.9M of free cash over the period, a posture that appears consistent with liquidity preservation taking priority.
Net acquisition outlays totaled roughly $34K across the series, so cash is neither being returned nor directed at inorganic expansion, leaving operations and plant as the sole uses visible in the supplied data. For an industrial issuer with a persistently negative FCF margin, this pattern suggests internal generation is insufficient to fund any discretionary program, and any gap would have to be closed externally, though the cost or availability of such funding is not disclosed here. The absence of a return program should be read as a constraint rather than a choice, and it underscores the dependence on the cash trajectory turning.
Non-Cash Add-Backs Flatter Operating Burn
Cumulative depreciation of $4.5M and stock compensation of $1.9M offset much of the reported operating deficit, so PESI's operating cash flow understates the economic loss and, net of these add-backs, the core business shows little evidence of self-funded capacity.
The $182K-$221K quarterly stock compensation add-back is genuinely non-cash in the period, yet it represents compensation delivered in equity, so treating it as a source flatters the operating line while diluting holders. The $11.0M capex line may also contain capitalized costs that would otherwise sit in operating outflows, and the supplied statements do not disaggregate maintenance from growth spend, limiting how much confidence can be placed in the OCF/NI comparison. Taken together, the apparent earnings-to-cash cushion looks more like an artifact of a loss-making, asset-consuming business than a signal of conversion quality, which tempers the otherwise more constructive read of operating cash flow.