Liquidity remains under pressure as evidenced by the volatile free cash flow, which swung from a positive $2.2 million in 2025Q4 to a negative $592,000 in 2026Q1.
| 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 |
|---|
| Cash from Operations | 2.66M | -659K | 4.2M | -9.41M | -16.93M | -33.53M | -29.64M | -27.25M | -20.42M | -21.11M | -12.45M | -16.24M | 4.26M | -50.66M | -30.75M | -10.78M | 2.1M | -1.43M | -4.27M | -3.4M | -3.41M | -493.52K | 1.03M | 225.42K | -1.12M | -920.02K | -496.35K | -900K | -2.3M | -1.2M |
| Operating CF Margin % | - | -0.95% | 4.14% | -11.26% | -23.25% | -54.15% | -47.66% | -44.46% | -32.21% | -36.85% | -23.37% | -29.34% | 7.86% | -96.73% | -61.69% | -22.02% | 3.53% | -2.61% | -8.26% | -7.9% | -11.9% | -1.78% | 5.72% | 1.51% | -9.7% | -10.2% | -6.66% | -13.43% | -43.4% | -36.36% |
| Operating CF Growth % | 157.37% | -115.68% | 144.65% | 44.4% | 49.52% | -13.13% | -8.76% | -33.47% | 3.29% | -69.56% | 23.33% | -481.44% | 108.4% | -64.78% | -185.14% | -613.26% | 247.25% | 66.57% | -25.6% | 0.25% | -590.35% | -148.08% | 355.39% | 120.21% | -21.22% | -85.36% | 44.85% | 60.87% | -91.67% | - |
| Net Income | -1.61B | -5.31M | -480K | -8.44M | -18.68M | -32.67M | -30.89M | -34.13M | -32.13M | -25.92M | -19.8M | -14.42M | -21.33M | -48.78M | -54.02M | -21.44M | -2.68M | -5.5M | -7.86M | -3.72M | -4.57M | 76.81K | 211.52K | 4.85K | -980.71K | -1.58M | -1.02M | -1.1M | -1.9M | -1.9M |
| Depreciation & Amortization | 2.16M | 2.19M | 2.18M | 1.44M | 576K | 2.52M | 2.29M | 2.65M | 650.14K | 514.36K | 762.37K | 822.29K | 996.32K | 1.01M | 1.09M | 1.18M | 1.39M | 1.23M | 911.72K | 949.74K | 756.87K | 716.31K | 629.7K | 453.93K | 391.84K | 384.43K | 379.13K | 400K | 400K | 300K |
| Stock-Based Compensation | 914K | 1.82M | 1.29M | 932K | 315K | 943K | 475K | 4.95M | 4.39M | 7.17M | 10.35M | 8.89M | 10.09M | 7.71M | 7.3M | 4.38M | 4.02M | 403.2K | 1.46M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Deferred Taxes | 0 | 0 | 0 | 0 | 0 | 156K | 0 | 0 | 9M | 0 | -10.31M | 63.38K | 8.56K | 16.41K | -7.22M | 21.56M | 2.7M | 36.41K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Other Non-Cash Items | 3.07M | 2.26M | 2.74M | 3.9M | 2.98M | 369K | 1.44M | 1.24M | 1.1M | 802.98K | 10.35M | -2.91M | 1.76M | 452.12K | 7.3M | -21.44M | -2.68M | 1.95M | -7.53K | 161.56K | -4.54K | 0 | 0 | 84.04K | 85K | 259.07K | 68.05K | 100K | 100K | -100K |
| Working Capital Changes | 1.92M | -1.61M | -1.53M | -7.24M | -2.13M | -4.84M | -2.96M | -1.98M | -3.43M | -3.68M | -3.79M | -8.68M | 12.73M | -11.07M | 14.8M | 4.99M | -645.96K | 451.47K | 1.24M | -791.01K | 415.67K | -1.29M | 185.32K | -317.4K | -611.41K | 15.58K | 73.28K | -300K | -900K | 500K |
| Change in Receivables | 599K | -98K | 2.61M | -4.64M | -346K | -1.74M | 32K | 2.78M | -623.95K | -962.34K | -1.16M | -574.73K | 106.32K | -146.39K | -209.12K | 284.48K | -1.01M | 1.74M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Change in Inventory | 2.42M | 2.78M | -332K | 1.18M | -2.1M | -656K | -1.31M | 316.87K | -835.64K | 343.49K | -6.1M | -3.95M | -1.12M | -150.01K | -145.51K | 432.75K | 151.47K | 73.27K | -602.57K | 101.05K | -608.28K | -399.36K | -302.17K | 126.22K | -409.98K | -481.41K | -171.88K | -200K | 100K | 0 |
| Change in Payables | 1.52M | -870K | -1.65M | 463K | 314K | -416K | 1.14M | -1.47M | 269.91K | -1.64M | 1.86M | -1.3M | -3.39M | -6.15M | 9.47M | 1.71M | 270.75K | -1.82M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Cash from Investing | -8.66M | -8.54M | -4.87M | -3.04M | -2.4M | 311K | 3.21M | -4.75M | 12.72M | 14.5M | -1.64M | -21.14M | -8.81M | -12.65M | 11.52M | -587.93K | -12.92M | -1.6M | -1.26M | -932.8K | -1.01M | -627.71K | -475.14K | -161.74K | 96.34K | -1.68M | -459.27K | 0 | -400K | -600K |
| Capital Expenditures | -904K | -542K | -1.01M | -284K | -281K | -522K | -1.05M | -1.34M | -994.26K | -1.68M | -355.26K | -815K | -684.59K | -654.2K | -507.79K | -566.16K | -772.36K | -1.6M | -1.27M | -932.8K | -1.01M | -576.45K | -392.05K | -164.63K | -381.9K | -1.05M | -304.53K | 0 | -400K | -600K |
| CapEx % of Revenue | 0.01% | 0.78% | 1% | 0.34% | 0.39% | 0.84% | 1.68% | 2.18% | 1.57% | 2.94% | 0.67% | 1.47% | 1.26% | 1.25% | 1.02% | 1.16% | 1.3% | 2.93% | 2.46% | 2.17% | 3.54% | 2.08% | 2.18% | 1.1% | 3.32% | 11.59% | 4.08% | - | 7.55% | 18.18% |
| Acquisitions | 175K | 0 | 0 | -12.36M | 0 | -833K | 0 | 750K | -250K | 725 | 1K | 4.8K | 0 | 0 | 0 | -145.12K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -4.74K | 0 | 0 | 0 |
| Investments | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Other Investing | 0 | 190K | 0 | 0 | 0 | 833K | 0 | -750K | 250.4K | 725 | 1K | 4.8K | -8.12M | 6.9K | 1.58K | 148.11K | 1.8K | 0 | 9.55K | 0 | 0 | -51.26K | -83.09K | 2.88K | 478.24K | -633.9K | -150K | 0 | 0 | 0 |
| Cash from Financing | 4.22M | 4.25M | 7.35M | 11.34M | 16.15M | -2.18M | 63.32M | 21.08M | 22M | -2.16M | 80.16K | 2.78M | 58.47M | 70.48M | 18.22M | 4.82M | 46.73K | 20.47M | 27.9K | 12.77M | 6.78M | 1.25M | -491.84K | 42.83K | 936.04K | 2.47M | 73.12K | 0 | 4.6M | 1.9M |
| Debt Issued (Net) | -1.16M | -1.19M | -1.2M | -3.51M | -13.68M | -2.28M | 21.74M | -1.15M | 0 | 0 | 0 | 0 | -21.1M | 18.89M | -6.47K | -18.21K | -43.72K | -181.45K | -204.24K | -396.33K | -2.32M | 908.39K | -530.53K | 5.12K | -322.51K | 1.42M | -6.23K | 0 | -200K | -300K |
| Equity Issued (Net) | 7.82M | 7.82M | 10.18M | 14.86M | 30.02M | 107K | 45.45M | 23.88M | 22M | 123.6K | 80.16K | -132.67K | 79.57M | 51.6M | 18.23M | 4.84M | 90.45K | 20.65M | 232.14K | 13.16M | 9.1M | 345.67K | 38.69K | 37.71K | 1.26M | 1.05M | 79.35K | 0 | 4.5M | 2.5M |
| 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 | 0 | 0 | 0 | 0 | 0 |
| Share Repurchases | 0 | 0 | 0 | 0 | 0 | -6K | -19K | -279K | 0 | -2.29M | 0 | -2.91M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -1.3M | 0 |
| Other Financing | -2.44M | -2.37M | -1.63M | -5K | -191K | -6K | -3.88M | -1.65M | 3.5K | -2.29M | 0 | 2.91M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 300K | -300K |
| Net Change in Cash | -1.78M | -4.95M | 6.68M | -1.12M | -3.18M | -35.4M | 36.89M | -10.92M | 14.31M | -8.77M | -14.02M | -34.6M | 53.92M | 7.17M | -1M | -6.55M | -10.77M | 17.44M | -5.5M | 8.43M | 2.36M | 132.84K | 59.56K | 106.51K | -82.91K | -127.76K | -882.49K | -800K | 4.6M | 1.9M |
| Free Cash Flow | 1.76M | -1.2M | 3.19M | -9.7M | -17.21M | -34.06M | -30.69M | -28.59M | -21.41M | -22.8M | -12.81M | -17.06M | 3.57M | -51.32M | -31.25M | -11.35M | 1.33M | -3.03M | -5.54M | -4.33M | -4.42M | -1.07M | 634.49K | 60.79K | -1.5M | -1.97M | -800.88K | -900K | -2.7M | -1.8M |
| FCF Margin % | 0.01% | -1.73% | 3.14% | -11.6% | -23.64% | -54.99% | -49.34% | -46.64% | -33.78% | -39.79% | -24.04% | -30.81% | 6.59% | -97.98% | -62.71% | -23.18% | 2.23% | -5.53% | -10.72% | -10.06% | -15.43% | -3.86% | 3.54% | 0.41% | -13.02% | -21.8% | -10.74% | -13.43% | -50.94% | -54.55% |
| FCF Growth % | -18.66% | -137.64% | 132.91% | 43.66% | 49.47% | -10.98% | -7.33% | -33.52% | 6.07% | -77.99% | 24.91% | -577.33% | 106.96% | -64.2% | -175.39% | -954.26% | 143.88% | 45.33% | -27.85% | 2.01% | -313.12% | -268.63% | 943.7% | 104.06% | 23.81% | -145.37% | 11.01% | 66.67% | -50% | - |
| FCF per Share | 0.04 | -0.03 | 0.10 | -0.42 | -1.74 | -3.99 | -4.46 | -5.16 | -4.46 | -4.93 | -2.77 | -3.77 | 0.95 | -17.13 | -16.86 | -7.04 | 0.87 | -2.24 | -4.40 | -4.10 | -4.36 | -1.34 | 0.66 | 0.07 | -2.13 | -3.75 | -1.81 | -1.98 | -6.13 | -4.01 |
| FCF Conversion (FCF/Net Income) | -0.00x | 0.12x | -8.75x | 1.12x | 0.91x | 1.03x | 0.96x | 0.80x | 0.64x | 0.81x | 0.63x | 1.13x | -0.20x | 1.04x | 0.57x | 0.50x | -0.78x | 0.26x | 0.54x | 0.91x | 0.74x | -6.43x | 4.85x | 46.45x | 1.14x | 0.58x | 0.49x | 0.82x | 1.21x | 0.63x |
| Interest Paid | 190K | 0 | 847K | 1.21M | 1.47M | 0 | 1.56M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Taxes Paid | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 404.53K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Liquidity and Revenue Erosion
As reported in recent quarterly filings, RMTI exhibits a volatile relationship between net income and operating cash flow, with the OCF/NI ratio fluctuating wildly from 0.00 to 4.20, suggesting that accounting accruals and working capital swings are currently masking the underlying cash-generative capacity of the business.
The frequent divergence between net losses and operating cash flow indicates that the company's reported earnings are heavily influenced by non-cash items and timing differences in receivables. Investors should monitor whether this volatility reflects genuine operational instability or merely the lumpy nature of collections from a concentrated customer base.
Based on the provided cash flow statements, RMTI's free cash flow trajectory remains highly inconsistent, swinging from a positive $2.2 million in 2025Q4 to a negative $592,000 in 2026Q1, which underscores the difficulty in maintaining self-sustaining operations amidst a contracting revenue base and persistent net losses.
The inability to maintain a positive FCF margin suggests that the company's core business model is not yet optimized for cash generation. This erratic performance may indicate that management is struggling to balance necessary operational expenditures with the need to preserve a dwindling cash runway.
According to the company's historical cash flow data, working capital changes have been a primary driver of quarterly cash flow, with a significant $3.7 million outflow in 2025Q1 followed by a $1.4 million inflow in 2025Q4, highlighting the sensitivity of RMTI's liquidity to customer payment cycles.
The reliance on working capital fluctuations to bridge cash flow gaps suggests that the company lacks a stable, organic source of operating cash. This dependency warrants further investigation into the credit quality of its primary dialysis provider customers and the potential for future bad debt expenses.
As indicated by the financial statements, the company's cash flow is consistently impacted by stock-based compensation, which reached $532,000 in 2025Q3, effectively acting as a non-cash expense that masks the true economic cost of operations while simultaneously diluting the equity base of existing shareholders.
While stock-based compensation does not directly consume cash, it represents a significant hidden cost that complicates the assessment of true profitability. The persistent issuance of equity-based incentives during periods of negative cash flow suggests a misalignment between management compensation and the company's current financial reality.
Quick answers to the most common questions about buying RMTI stock.
Rockwell Medical, Inc. (RMTI) generated $-0.7M in net cash from operating activities in 2025. This reflects the cash generated directly from core business operations.
Rockwell Medical, Inc. (RMTI) reported negative free cash flow of $1.2M in 2025, indicating capital requirements exceeded cash from operations.
Rockwell Medical, Inc. (RMTI) spent $0.5M on capital expenditures in 2025. CapEx represents the cash invested in physical assets like property, plant, and equipment to maintain or grow the business.