Cash generation is highly volatile, evidenced by a free cash flow margin that swung from 12.0% in 2023Q4 to a negative 36.3% in 2025Q4, largely driven by persistent working capital drains.
| 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 | -22.94M | -33.41M | 34.18M | 31.07M | 32.68M | -565K | 12.61M | 51.03M | 46.24M | 35.43M | 43.27M | 23.68M | 53.42M | 45.96M | 47.53M | -3M | 26.47M | 30.81M | 28.04M | 42.59M | 24.29M | 24.71M | 2.4M | 30.46M | 25.26M | 33.31M | 20.69M | 18.5M | 25.2M | 13.5M | 18M |
| Operating CF Margin % | - | -4.05% | 4.35% | 4.1% | 4.59% | -0.09% | 2.01% | 7.08% | 7.35% | 6.35% | 7.86% | 3.56% | 7.2% | 6.24% | 6.36% | -0.52% | 6.48% | 7.15% | 6.94% | 11.6% | 7.61% | 9.9% | 1.07% | 13.48% | 11.89% | 14.81% | 12.48% | 12.66% | 14.75% | 8.58% | 15.2% |
| Operating CF Growth % | 1429.48% | -197.73% | 10.02% | -4.94% | 5884.07% | -104.48% | -75.29% | 10.37% | 30.49% | -18.11% | 82.73% | -55.68% | 16.23% | -3.31% | 1683.41% | -111.34% | -14.09% | 9.87% | -34.16% | 75.39% | -1.73% | 928.85% | -92.11% | 20.56% | -24.17% | 61.04% | 11.82% | -26.59% | 86.67% | -25% | 122.22% |
| Net Income | -32.66M | -33.94M | 31.5M | 15.93M | 28.79M | 135.54M | 29.17M | 32.46M | 9.04M | 20.08M | 25.26M | -73.28M | 19.87M | 9.34M | 16.44M | -47.58M | 19.81M | 10.18M | 13.11M | 19.62M | 14.3M | 15.99M | 11.17M | 16.2M | 6.5M | 14.6M | 12.72M | 13.4M | 23.7M | 14.3M | 10.3M |
| Depreciation & Amortization | 33.31M | 33.66M | 33.44M | 32.57M | 31.42M | 28.39M | 28.85M | 28.3M | 25.3M | 22.84M | 22.86M | 26.85M | 29.02M | 30.93M | 29.41M | 21.46M | 13.6M | 13.56M | 9.96M | 10.06M | 9.82M | 7.59M | 7.5M | 7.57M | 8.02M | 11.08M | 8.75M | 6.8M | 5.9M | 5.3M | 4.5M |
| Stock-Based Compensation | 19.17M | 24.52M | 17.84M | 15.04M | 10.74M | 11.21M | 9.3M | 7.16M | 5.04M | 4.67M | 3.01M | 3.5M | 3.73M | 2.44M | 1.96M | 2.36M | 2.52M | 2.4M | 2.62M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Deferred Taxes | -9.15M | -11.62M | -7.45M | -9.83M | -9.39M | 1.77M | 327K | -1.83M | 2.04M | -15.41M | 3.52M | -30.71M | 345K | -2.24M | -2.35M | -6.65M | -495K | 1.82M | -4.46M | -1.59M | -417K | 672K | -64K | 3.73M | 485K | -1.73M | -856K | 2.2M | 1.8M | 5.2M | 2M |
| Other Non-Cash Items | 23.77M | 12.36M | 9.43M | 7.04M | 9.72M | -130.13M | 12.76M | 3.98M | 19.06M | 2.8M | -24.94M | 100.28M | -6.09M | 13.12M | 2.47M | 54.52M | 533K | 11.39M | 15.58M | 2.36M | 1.9M | -2.12M | 2.78M | -1.84M | 9.76M | 266K | 1.58M | -200K | -9.2M | 100K | -100K |
| Working Capital Changes | -55.51M | -58.38M | -50.57M | -29.68M | -38.6M | -47.34M | -67.8M | -19.04M | -14.23M | 450K | 13.56M | -2.96M | 6.55M | -7.62M | -394K | -27.11M | -9.49M | -8.55M | -8.78M | 12.11M | -724K | 2.58M | -18.98M | 4.8M | 498K | 9.1M | -1.51M | -3.7M | 3M | -11.4M | 1.5M |
| Change in Receivables | -56M | -63.84M | -28.55M | 15.6M | -46.07M | -34.07M | -38.48M | -17.63M | 7.5M | 2.72M | 3.22M | 4.44M | 1.09M | 5.47M | -1.2M | -3.99M | 584K | 2.84M | -6.24M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Change in Inventory | 10.58M | 13.17M | 2.32M | -18.8M | -20.84M | -17.13M | -20.18M | -8.49M | 23.24M | -533K | -5.18M | 20.98M | -2.33M | 7.81M | 6.18M | -4.83M | -4.85M | 5.32M | -6.58M | -3.18M | -9.3M | -2.84M | -10.46M | 1.71M | 699K | 952K | -5.89M | -2.2M | 4.3M | -2M | -4.1M |
| Change in Payables | 184K | -551K | 3.24M | -18.42M | 24.22M | 2.79M | -19.71M | 11.62M | 18.5M | -4.01M | 15.05M | -13.98M | 410K | 4.53M | -8.1M | -12.32M | -5.72M | -12.27M | -433K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Cash from Investing | -11.2M | -13.12M | -13.91M | -133.5M | -19.24M | 57.75M | -5.47M | -94.93M | -47.93M | -86.21M | 34.91M | -13.48M | -15.46M | -12.26M | -15.78M | -339.78M | -7.1M | -7.69M | -51.69M | -11.26M | -69.04M | -5.11M | -5.9M | -3.5M | -2.2M | -58.57M | -10.8M | -37.6M | -3.7M | -7.6M | -14.7M |
| Capital Expenditures | -13.36M | -15.24M | -14.13M | -19.52M | -19.69M | -16.86M | -12.51M | -18.29M | -17.62M | -27.61M | -17M | -15.89M | -18.1M | -12.4M | -15.81M | -14.54M | -7.11M | -7.69M | -12.42M | -11.26M | -8.71M | -5.13M | -5.94M | -5.77M | -3.5M | -6.01M | -10.8M | -37.9M | -20M | -7.6M | -6.7M |
| CapEx % of Revenue | 1.59% | 1.85% | 1.8% | 2.58% | 2.76% | 2.61% | 1.99% | 2.54% | 2.8% | 4.95% | 3.09% | 2.39% | 2.44% | 1.68% | 2.12% | 2.5% | 1.74% | 1.79% | 3.08% | 3.07% | 2.73% | 2.06% | 2.64% | 2.55% | 1.65% | 2.67% | 6.52% | 25.94% | 11.71% | 4.83% | 5.66% |
| Acquisitions | 42K | 0 | 0 | -114.38M | 365K | -69.48M | 190K | -76.65M | -30.71M | -59.8M | 51.89M | 904K | 0 | 0 | -325.71M | -325.71M | 0 | 0 | -39.28M | 0 | -60.53M | 0 | 0 | -2.32M | 0 | -52.56M | 0 | 0 | 0 | 0 | 0 |
| Investments | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Other Investing | 2.12M | 2.11M | 223K | 404K | 82K | 144.09M | 6.85M | 3K | 396K | 1.2M | 16K | 2.41M | 2.64M | 139K | 325.75M | 470K | 2K | 2K | 7K | 0 | 193K | 26K | 39K | 4.59M | 1.3M | 0 | 0 | 300K | 16.3M | 0 | -8M |
| Cash from Financing | 42.51M | 54.68M | -26M | 99.05M | -43.51M | -37.34M | 9.74M | 73.22M | 9.81M | 45.49M | -76.2M | -50.37M | -41.15M | -31.42M | -26.66M | 373.96M | -27.73M | -8M | -4.41M | -140K | 25.91M | -543K | -173K | -23.3M | -25.2M | 27.58M | -9.92M | 10.2M | -14.6M | -4.3M | -3.2M |
| Debt Issued (Net) | 56.66M | 57.9M | -23.14M | 17.21M | -39.62M | -33.29M | 10.35M | 76.83M | 14.9M | 48.1M | -75.02M | -49.87M | -42.65M | -33.02M | -26.48M | 388.72M | -24.96M | -2.45M | -2.4M | -4.75M | 23.5M | -1.2M | -1.39M | -23.67M | -26.45M | 27.29M | -8.19M | 19.6M | -900K | -4.5M | -3.2M |
| Equity Issued (Net) | -15.12M | -3.22M | -2.86M | 81.83M | 0 | 0 | 0 | 0 | 0 | 0 | -3.46M | -4.21M | 0 | 0 | 0 | 55K | 0 | -938K | -502K | 3.81M | 2.21M | 657K | 1.21M | 363K | 1.25M | 286K | -1.74M | -9.4M | -14.7M | 0 | 0 |
| Dividends Paid | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -790K | -790K | -3.15M | -3.14M | -1.59M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Share Repurchases | -15.12M | -3.22M | 0 | 0 | 0 | 0 | 0 | 0 | -3.37M | -6.9M | -1.42M | -1.13M | -920K | -6.81M | -186K | 0 | 0 | -938K | -986K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -1.74M | -9.4M | -14.7M | 0 | 0 |
| Other Financing | 963K | 0 | 0 | 0 | -3.89M | -4.05M | -607K | -3.61M | -5.09M | -2.61M | 2.29M | 3.71M | 1.5M | 1.6M | -186K | -14.03M | 375K | -1.47M | 75K | 799K | 204K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1M | 200K | 0 |
| Net Change in Cash | 8.37M | 8.15M | -5.72M | -3.38M | -30.07M | 19.85M | 16.88M | 29.32M | 8.11M | -5.28M | 1.98M | -40.17M | -3.19M | 2.28M | 5.09M | 31.18M | -8.36M | 15.12M | -28.06M | 31.19M | -18.84M | 19.06M | -3.67M | 3.66M | -2.13M | 2.32M | -38K | -9M | -14.6M | -4.3M | -3.2M |
| Free Cash Flow | -36.3M | -48.64M | 20.05M | 11.54M | 12.99M | -17.43M | 101K | 32.74M | 28.62M | 7.82M | 26.27M | 7.79M | 35.33M | 33.56M | 31.72M | -17.54M | 19.36M | 23.12M | 15.63M | 31.33M | 15.58M | 19.58M | -3.54M | 24.69M | 21.76M | 27.3M | 9.88M | -19.4M | 5.2M | 5.9M | 11.3M |
| FCF Margin % | -4.32% | -5.9% | 2.55% | 1.53% | 1.82% | -2.7% | 0.02% | 4.54% | 4.55% | 1.4% | 4.77% | 1.17% | 4.76% | 4.56% | 4.25% | -3.02% | 4.74% | 5.37% | 3.87% | 8.53% | 4.88% | 7.84% | -1.57% | 10.93% | 10.24% | 12.14% | 5.96% | -13.28% | 3.04% | 3.75% | 9.54% |
| FCF Growth % | -260.4% | -342.6% | 73.68% | -11.13% | 174.54% | -17355.45% | -99.69% | 14.4% | 265.8% | -70.21% | 237.32% | -77.96% | 5.27% | 5.79% | 280.87% | -190.57% | -16.25% | 47.98% | -50.13% | 101.12% | -20.43% | 653.11% | -114.34% | 13.45% | -20.29% | 176.22% | 150.95% | -473.08% | -11.86% | -47.79% | 101.79% |
| FCF per Share | -2.33 | -3.26 | 1.34 | 0.83 | 1.05 | -1.42 | 0.01 | 2.78 | 2.45 | 0.68 | 2.32 | 0.70 | 3.18 | 3.09 | 2.98 | -1.66 | 1.83 | 2.20 | 1.47 | 3.00 | 1.51 | 1.92 | -0.35 | 2.48 | 2.17 | 2.80 | 1.01 | -1.85 | 0.45 | 0.50 | 0.99 |
| FCF Conversion (FCF/Net Income) | 1.11x | 0.89x | 1.09x | 1.95x | 1.14x | -0.00x | 0.43x | 1.57x | 5.12x | 1.76x | 1.71x | -0.32x | 2.69x | 4.92x | 2.89x | 0.06x | 1.34x | 3.03x | 2.14x | 2.17x | 1.70x | 1.55x | 0.22x | 1.88x | 3.88x | 2.28x | 1.63x | 1.38x | 1.06x | 0.94x | 1.75x |
| Interest Paid | -2.66M | 0 | 14.01M | 19.86M | 10.98M | 10.13M | 11.86M | 16.47M | 11.57M | 7.31M | 6.88M | 26.5M | 25.11M | 27.61M | 31.5M | 5.95M | 1.8M | 2.22M | 1.24M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Taxes Paid | -221K | 0 | 12.88M | 22.95M | 3.83M | 32.93M | 3.81M | 5.7M | 316K | 3.13M | 9.78M | 1.15M | 3.48M | 7.83M | 1.95M | 4.51M | 2.55M | 6.96M | 7.62M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Working capital volatility
As reported in recent financial filings, Ducommun's operating cash flow to net income ratio has exhibited extreme volatility, ranging from a high of 5.19 in 2023Q4 to a negative 8.02 in 2025Q4, indicating a significant disconnect between reported accounting profits and actual cash generation.
The frequent divergence between net income and operating cash flow suggests that non-cash charges and accounting adjustments are heavily influencing the bottom line. Investors should monitor whether this instability reflects inherent difficulties in the percentage-of-completion accounting method or underlying operational inefficiencies that prevent earnings from converting into liquid resources.
Based on the provided quarterly data, Ducommun's free cash flow margins have fluctuated wildly, swinging from a peak of 12.0% in 2023Q4 to a deep negative 36.3% in 2025Q4, highlighting a lack of consistent cash-generative momentum across the company's primary aerospace and defense segments.
The erratic nature of free cash flow suggests that the company's capital requirements and working capital needs are not yet synchronized with its revenue cycles. This inconsistency may indicate that the business is struggling to maintain a predictable cash profile despite its role as a sole-source supplier on legacy platforms.
According to the quarterly cash flow statements, Ducommun has faced persistent working capital outflows in eight of the last ten quarters, with a notable $21.9 million drain in 2026Q1, suggesting that inventory and receivables management remains a significant hurdle to achieving sustained positive cash flow.
These recurring outflows imply that the company may be carrying excessive inventory or experiencing delayed collections, which effectively traps cash within the operating cycle. Such dynamics warrant further investigation into whether these pressures are structural consequences of supply chain bottlenecks or temporary timing issues related to program ramp-ups.
As indicated by the historical cash flow data, Ducommun has prioritized share repurchases, including a $13.2 million outlay in 2026Q1, despite the company's inconsistent ability to generate free cash flow, which may raise questions regarding the sustainability of this capital deployment strategy in the current environment.
While the low debt-to-equity ratio provides a buffer, the decision to return capital to shareholders during periods of negative free cash flow appears aggressive. Investors should consider whether these funds might be better utilized to address the operational bottlenecks currently hindering the company's margin expansion and cash conversion.
Quick answers to the most common questions about buying DCO stock.
Ducommun Incorporated (DCO) generated $-33.4M in net cash from operating activities in 2025. This reflects the cash generated directly from core business operations.
Ducommun Incorporated (DCO) reported negative free cash flow of $48.6M in 2025, indicating capital requirements exceeded cash from operations.
Ducommun Incorporated (DCO) spent $15.2M 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, Ducommun Incorporated (DCO) spent $3.2M on share repurchases. This shows the company's commitment to returning capital to its equity investors.